Problems starting Confluence with Atlassian SDK

Hi,

I want to develop a Confluence Plugin, so I tried to set up the Atlassian SDK.

I have a newly installed Ubuntu VM for this, with JRE 10.0.2.
I followed these instructions to get started:
https://developer.atlassian.com/server/framework/atlassian-sdk/install-the-atlassian-sdk-on-a-linux-or-mac-system/
https://developer.atlassian.com/server/confluence/write-a-simple-confluence-blueprint-plugin/

atlas-version shows:

ATLAS Version:    6.3.10
ATLAS Home:       /usr/share/atlassian-plugin-sdk-6.3.10
ATLAS Scripts:    /usr/share/atlassian-plugin-sdk-6.3.10/bin
ATLAS Maven Home: /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1
AMPS Version:     6.3.15
--------
Executing: /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1/bin/mvn --version -gs /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1/conf/settings.xml
Java HotSpot(TM) 64-Bit Server VM warning: Ignoring option MaxPermSize; support was removed in 8.0
Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; 2014-02-14T18:37:52+01:00)
Maven home: /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1
Java version: 10.0.2, vendor: Oracle Corporation
Java home: /usr/lib/jvm/jre-10.0.2
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "4.15.0-29-generic", arch: "amd64", family: "unix"

After running: atlas-run everthing looks fine:

[INFO] [talledLocalContainer] INFO: Deployment of web application directory /home/maike/Documents/AtlasDev/Confluence/simplebp/target/container/tomcat8x/cargo-confluence-home/webapps/manager has finished in 28 ms
[INFO] [talledLocalContainer] Jul 31, 2018 8:48:10 AM org.apache.coyote.AbstractProtocol start
[INFO] [talledLocalContainer] INFO: Starting ProtocolHandler ["http-nio-1990"]
[INFO] [talledLocalContainer] Jul 31, 2018 8:48:10 AM org.apache.coyote.AbstractProtocol start
[INFO] [talledLocalContainer] INFO: Starting ProtocolHandler ["ajp-nio-8009"]
[INFO] [talledLocalContainer] Jul 31, 2018 8:48:10 AM org.apache.catalina.startup.Catalina start
[INFO] [talledLocalContainer] INFO: Server startup in 17625 ms
[INFO] [talledLocalContainer] Tomcat 8.x started on port [1990]
[INFO] confluence started successfully in 54s at http://ubuntu:1990/confluence
[INFO] Type Ctrl-D to shutdown gracefully
[INFO] Type Ctrl-C to exit

But the service /confluence has not been startet.
So I went to the Tomcat Manager and tried to start it.
I got the message: FAIL - Application at context path /confluence could not be started

The log in the Terminal where I executed atlas-run shows:

[INFO] [talledLocalContainer] INFO: HTMLManager: start: Starting web application '/confluence'
[INFO] [talledLocalContainer] Jul 31, 2018 8:52:10 AM org.apache.catalina.loader.WebappLoader buildClassPath
[INFO] [talledLocalContainer] INFO: Unknown loader jdk.internal.loader.ClassLoaders$AppClassLoader@2c8d66b2 class jdk.internal.loader.ClassLoaders$AppClassLoader
[WARNING] [talledLocalContainer] log4j:WARN No such property [bufferedIO] in com.atlassian.confluence.logging.ConfluenceHomeLogAppender.
[INFO] [talledLocalContainer] 2018-07-31 08:52:11,112 INFO [http-nio-1990-exec-2] [com.atlassian.confluence.lifecycle] contextInitialized Starting Confluence 6.7.1 [build 7601 based on commit hash d9a7d86ddd6172b1b5a38b9e600c8b90c362def3] - synchrony version 2.1.0-release-confluence_6.5-1a01ab2d
[INFO] [talledLocalContainer] 2018-07-31 08:52:13,547 INFO [http-nio-1990-exec-2] [atlassian.confluence.cluster.DefaultClusterConfigurationHelper] lambda$populateExistingClusterSetupConfig$1 Populating setup configuration if running with Cluster mode...
[INFO] [talledLocalContainer] 2018-07-31 08:52:13,793 INFO [http-nio-1990-exec-2] [core.persistence.hibernate.ConfluenceHibernateConfig] getHibernateProperties STARTED H2 database server at URL jdbc:h2:tcp://localhost:9092//home/maike/Documents/AtlasDev/Confluence/simplebp/target/confluence/home/database/h2db;MVCC=TRUE
[INFO] [talledLocalContainer] 2018-07-31 08:52:13,813 INFO [http-nio-1990-exec-2] [springframework.web.context.ContextLoader] initWebApplicationContext Root WebApplicationContext: initialization started
[INFO] [talledLocalContainer] 2018-07-31 08:52:15,742 ERROR [http-nio-1990-exec-2] [springframework.web.context.ContextLoader] initWebApplicationContext Context initialization failed
[INFO] [talledLocalContainer] java.lang.NoClassDefFoundError: javax/activation/MimetypesFileTypeMap
[INFO] [talledLocalContainer] 	at java.base/java.lang.Class.getDeclaredMethods0(Native Method)
[INFO] [talledLocalContainer] 	at java.base/java.lang.Class.privateGetDeclaredMethods(Unknown Source)
[INFO] [talledLocalContainer] 	at java.base/java.lang.Class.getDeclaredMethods(Unknown Source)
[INFO] [talledLocalContainer] 	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:609)
[INFO] [talledLocalContainer] 	at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:521)
[INFO] [talledLocalContainer] 	at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:507)
[INFO] [talledLocalContainer] 	at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:567)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:683)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:627)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:597)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1445)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:445)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:415)
[INFO] [talledLocalContainer] 	at com.atlassian.confluence.setup.ConfluenceListableBeanFactory.getBeanNamesForType(ConfluenceListableBeanFactory.java:153)
[INFO] [talledLocalContainer] 	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:101)
[INFO] [talledLocalContainer] 	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:678)
[INFO] [talledLocalContainer] 	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:520)
[INFO] [talledLocalContainer] 	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444)
[INFO] [talledLocalContainer] 	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326)
[INFO] [talledLocalContainer] 	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
[INFO] [talledLocalContainer] 	at com.atlassian.spring.container.ContainerContextLoaderListener.contextInitialized(ContainerContextLoaderListener.java:32)
[INFO] [talledLocalContainer] 	at com.atlassian.confluence.setup.ConfluenceBootstrappedContextLoaderListener.contextInitialized(ConfluenceBootstrappedContextLoaderListener.java:39)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4842)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5303)
[INFO] [talledLocalContainer] 	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1284)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:666)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:217)
[INFO] [talledLocalContainer] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
[INFO] [talledLocalContainer] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:136)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
[INFO] [talledLocalContainer] 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
[INFO] [talledLocalContainer] 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
[INFO] [talledLocalContainer] 	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
[INFO] [talledLocalContainer] 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
[INFO] [talledLocalContainer] 	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)
[INFO] [talledLocalContainer] 	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
[INFO] [talledLocalContainer] 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[INFO] [talledLocalContainer] 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
[INFO] [talledLocalContainer] 	at java.base/java.lang.Thread.run(Unknown Source)
[INFO] [talledLocalContainer] Caused by: java.lang.ClassNotFoundException: javax.activation.MimetypesFileTypeMap
[INFO] [talledLocalContainer] 	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1332)
[INFO] [talledLocalContainer] 	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1166)
[INFO] [talledLocalContainer] 	... 57 more
[INFO] [talledLocalContainer] 2018-07-31 08:52:15,747 ERROR [http-nio-1990-exec-2] [ContainerBase.[Catalina].[localhost].[/confluence]] log Exception sending context initialized event to listener instance of class com.atlassian.confluence.setup.ConfluenceBootstrappedContextLoaderListener
[INFO] [talledLocalContainer] java.lang.NoClassDefFoundError: javax/activation/MimetypesFileTypeMap
[INFO] [talledLocalContainer] 	at java.base/java.lang.Class.getDeclaredMethods0(Native Method)
[INFO] [talledLocalContainer] 	at java.base/java.lang.Class.privateGetDeclaredMethods(Unknown Source)
[INFO] [talledLocalContainer] 	at java.base/java.lang.Class.getDeclaredMethods(Unknown Source)
[INFO] [talledLocalContainer] 	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:609)
[INFO] [talledLocalContainer] 	at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:521)
[INFO] [talledLocalContainer] 	at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:507)
[INFO] [talledLocalContainer] 	at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:567)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:683)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:627)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:597)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1445)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:445)
[INFO] [talledLocalContainer] 	at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:415)
[INFO] [talledLocalContainer] 	at com.atlassian.confluence.setup.ConfluenceListableBeanFactory.getBeanNamesForType(ConfluenceListableBeanFactory.java:153)
[INFO] [talledLocalContainer] 	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:101)
[INFO] [talledLocalContainer] 	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:678)
[INFO] [talledLocalContainer] 	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:520)
[INFO] [talledLocalContainer] 	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444)
[INFO] [talledLocalContainer] 	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326)
[INFO] [talledLocalContainer] 	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
[INFO] [talledLocalContainer] 	at com.atlassian.spring.container.ContainerContextLoaderListener.contextInitialized(ContainerContextLoaderListener.java:32)
[INFO] [talledLocalContainer] 	at com.atlassian.confluence.setup.ConfluenceBootstrappedContextLoaderListener.contextInitialized(ConfluenceBootstrappedContextLoaderListener.java:39)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4842)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5303)
[INFO] [talledLocalContainer] 	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1284)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:666)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:217)
[INFO] [talledLocalContainer] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
[INFO] [talledLocalContainer] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:136)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
[INFO] [talledLocalContainer] 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
[INFO] [talledLocalContainer] 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
[INFO] [talledLocalContainer] 	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
[INFO] [talledLocalContainer] 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
[INFO] [talledLocalContainer] 	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)
[INFO] [talledLocalContainer] 	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
[INFO] [talledLocalContainer] 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[INFO] [talledLocalContainer] 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
[INFO] [talledLocalContainer] 	at java.base/java.lang.Thread.run(Unknown Source)
[INFO] [talledLocalContainer] Caused by: java.lang.ClassNotFoundException: javax.activation.MimetypesFileTypeMap
[INFO] [talledLocalContainer] 	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1332)
[INFO] [talledLocalContainer] 	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1166)
[INFO] [talledLocalContainer] 	... 57 more
[INFO] [talledLocalContainer] 2018-07-31 08:52:15,751 INFO [http-nio-1990-exec-2] [atlassian.confluence.plugin.PluginFrameworkContextListener] contextInitialized Initialising plugin system
[INFO] [talledLocalContainer] 2018-07-31 08:52:15,751 ERROR [http-nio-1990-exec-2] [atlassian.confluence.plugin.PluginFrameworkContextListener] contextInitialized Error initialising plugin manager: null
[INFO] [talledLocalContainer] java.lang.NullPointerException
[INFO] [talledLocalContainer] 	at com.atlassian.spring.container.ContainerManager.getComponent(ContainerManager.java:33)
[INFO] [talledLocalContainer] 	at com.atlassian.confluence.plugin.PluginFrameworkContextListener.getPluginSystemLifecycle(PluginFrameworkContextListener.java:190)
[INFO] [talledLocalContainer] 	at com.atlassian.confluence.plugin.PluginFrameworkContextListener.contextInitialized(PluginFrameworkContextListener.java:70)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4842)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5303)
[INFO] [talledLocalContainer] 	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1284)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:666)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:217)
[INFO] [talledLocalContainer] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
[INFO] [talledLocalContainer] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:136)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
[INFO] [talledLocalContainer] 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
[INFO] [talledLocalContainer] 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
[INFO] [talledLocalContainer] 	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
[INFO] [talledLocalContainer] 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
[INFO] [talledLocalContainer] 	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)
[INFO] [talledLocalContainer] 	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
[INFO] [talledLocalContainer] 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[INFO] [talledLocalContainer] 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
[INFO] [talledLocalContainer] 	at java.base/java.lang.Thread.run(Unknown Source)
[INFO] [talledLocalContainer] Jul 31, 2018 8:52:15 AM org.apache.catalina.core.StandardContext startInternal
[INFO] [talledLocalContainer] SEVERE: One or more listeners failed to start. Full details will be found in the appropriate container log file
[INFO] [talledLocalContainer] Jul 31, 2018 8:52:15 AM org.apache.catalina.core.StandardContext startInternal
[INFO] [talledLocalContainer] SEVERE: Context [/confluence] startup failed due to previous errors
[INFO] [talledLocalContainer] 2018-07-31 08:52:15,759 ERROR [http-nio-1990-exec-2] [ContainerBase.[Catalina].[localhost].[/confluence]] log Exception sending context destroyed event to listener instance of class com.atlassian.confluence.plugin.PluginFrameworkContextListener
[INFO] [talledLocalContainer] java.lang.NullPointerException
[INFO] [talledLocalContainer] 	at com.atlassian.spring.container.ContainerManager.getComponent(ContainerManager.java:33)
[INFO] [talledLocalContainer] 	at com.atlassian.confluence.plugin.PluginFrameworkContextListener.getPluginSystemLifecycle(PluginFrameworkContextListener.java:190)
[INFO] [talledLocalContainer] 	at com.atlassian.confluence.plugin.PluginFrameworkContextListener.contextDestroyed(PluginFrameworkContextListener.java:148)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4889)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5526)
[INFO] [talledLocalContainer] 	at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:224)
[INFO] [talledLocalContainer] 	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:159)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.ManagerServlet.start(ManagerServlet.java:1284)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.HTMLManagerServlet.start(HTMLManagerServlet.java:666)
[INFO] [talledLocalContainer] 	at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:217)
[INFO] [talledLocalContainer] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
[INFO] [talledLocalContainer] 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:136)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
[INFO] [talledLocalContainer] 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
[INFO] [talledLocalContainer] 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
[INFO] [talledLocalContainer] 	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
[INFO] [talledLocalContainer] 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
[INFO] [talledLocalContainer] 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
[INFO] [talledLocalContainer] 	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)
[INFO] [talledLocalContainer] 	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
[INFO] [talledLocalContainer] 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[INFO] [talledLocalContainer] 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[INFO] [talledLocalContainer] 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
[INFO] [talledLocalContainer] 	at java.base/java.lang.Thread.run(Unknown Source)

Did someone know what I am missing here?
Thanks in advance!

At first glance your jdbc connection string seems wrong.
Format examples are here https://razorsql.com/docs/help_h2.html

Maybe … but where can I manipulate this string?
I searched for a while now and can´t find it.

My at first glance diagnosis is wrong. H2 has nothing to do with that.

Can you try execute it with java8 instead of 10?

I tried it…but now atlas-run ends with an Error:

[INFO] Installing simplebp2-1.0-SNAPSHOT.jar
[INFO] Writing OBR metadata
[INFO] Building jar: /home/maike/Documents/AtlasDev/Confluence/simplebp2/target/simplebp2-1.0-SNAPSHOT.obr
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:validate-test-manifest (default-validate-test-manifest) @ simplebp2 ---
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:test-jar (default-test-jar) @ simplebp2 ---
[INFO] 
[INFO] <<< maven-amps-dispatcher-plugin:6.3.15:run (default-cli) @ simplebp2 <<<
[INFO] 
[INFO] --- maven-amps-dispatcher-plugin:6.3.15:run (default-cli) @ simplebp2 ---
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 6.390 s
[INFO] Finished at: 2018-07-31T15:45:33+01:00
[INFO] Final Memory: 49M/300M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal com.atlassian.maven.plugins:maven-amps-dispatcher-plugin:6.3.15:run (default-cli) on project simplebp2: Unable to execute mojo: Execution null of goal com.atlassian.maven.plugins:maven-confluence-plugin:6.3.15:run failed: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

atlas-version shows now:

ATLAS Version:    6.3.10
ATLAS Home:       /usr/share/atlassian-plugin-sdk-6.3.10
ATLAS Scripts:    /usr/share/atlassian-plugin-sdk-6.3.10/bin
ATLAS Maven Home: /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1
AMPS Version:     6.3.15
--------
Executing: /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1/bin/mvn --version -gs /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1/conf/settings.xml
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256M; support was removed in 8.0
Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; 2014-02-14T18:37:52+01:00)
Maven home: /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1
Java version: 1.8.0_181, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-8-oracle/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "4.15.0-29-generic", arch: "amd64", family: "unix"

The only thing related to that error message i can find is shown here https://stackoverflow.com/questions/6784463/error-trustanchors-parameter-must-be-non-empty
Could the keystores got messed up?
Also try the -X as maven suggests for a full debug

Did you do an atlas-clean after switching back to java8? Can you post the entire maven output from the java8 run? Would it be possible for you to post the Pom.xml?

I just run atlas-clean and tried it again, but the error remains the same.

Here is the OOTB Pom.xml:

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

    <modelVersion>4.0.0</modelVersion>
    <groupId>com.example.plugins.tutorial.confluence.simplebp2</groupId>
    <artifactId>simplebp2</artifactId>
    <version>1.0-SNAPSHOT</version>

    <organization>
        <name>Example Company</name>
        <url>http://www.example.com/</url>
    </organization>

    <name>simplebp2</name>
    <description>This is the com.example.plugins.tutorial.confluence.simplebp2:simplebp2 plugin for Atlassian Confluence.</description>
    <packaging>atlassian-plugin</packaging>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>com.atlassian.confluence</groupId>
            <artifactId>confluence</artifactId>
            <version>${confluence.version}</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>com.atlassian.plugin</groupId>
            <artifactId>atlassian-spring-scanner-annotation</artifactId>
            <version>${atlassian.spring.scanner.version}</version>
            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>com.atlassian.plugin</groupId>
            <artifactId>atlassian-spring-scanner-runtime</artifactId>
            <version>${atlassian.spring.scanner.version}</version>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>javax.inject</groupId>
            <artifactId>javax.inject</artifactId>
            <version>1</version>
            <scope>provided</scope>
        </dependency>

        <!-- WIRED TEST RUNNER DEPENDENCIES -->
        <dependency>
            <groupId>com.atlassian.plugins</groupId>
            <artifactId>atlassian-plugins-osgi-testrunner</artifactId>
            <version>${plugin.testrunner.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>javax.ws.rs</groupId>
            <artifactId>jsr311-api</artifactId>
            <version>1.1.1</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.2.2-atlassian-1</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>com.atlassian.maven.plugins</groupId>
                <artifactId>maven-confluence-plugin</artifactId>
                <version>${amps.version}</version>
                <extensions>true</extensions>
                <configuration>
                    <productVersion>${confluence.version}</productVersion>
                    <productDataVersion>${confluence.data.version}</productDataVersion>
                    <enableQuickReload>true</enableQuickReload>
                    <enableFastdev>false</enableFastdev>

                    <!-- See here for an explanation of default instructions: -->
                    <!-- https://developer.atlassian.com/docs/advanced-topics/configuration-of-instructions-in-atlassian-plugins -->
                    <instructions>
                        <Atlassian-Plugin-Key>${atlassian.plugin.key}</Atlassian-Plugin-Key>

                        <!-- Add package to export here -->
                        <Export-Package>
                            com.example.plugins.tutorial.confluence.simplebp2.api,
                        </Export-Package>

                        <!-- Add package import here -->
                        <Import-Package>
                            org.springframework.osgi.*;resolution:="optional",
                            org.eclipse.gemini.blueprint.*;resolution:="optional",
                            *
                        </Import-Package>

                        <!-- Ensure plugin is spring powered -->
                        <Spring-Context>*</Spring-Context>
                    </instructions>
                </configuration>
            </plugin>

            <plugin>
                <groupId>com.atlassian.plugin</groupId>
                <artifactId>atlassian-spring-scanner-maven-plugin</artifactId>
                <version>${atlassian.spring.scanner.version}</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>atlassian-spring-scanner</goal>
                        </goals>
                        <phase>process-classes</phase>
                    </execution>
                </executions>
                <configuration>
                    <scannedDependencies>
                        <dependency>
                            <groupId>com.atlassian.plugin</groupId>
                            <artifactId>atlassian-spring-scanner-external-jar</artifactId>
                        </dependency>
                    </scannedDependencies>
                    <verbose>false</verbose>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <properties>
        <confluence.version>6.7.1</confluence.version>
        <confluence.data.version>6.7.1</confluence.data.version>
        <amps.version>6.3.15</amps.version>
        <plugin.testrunner.version>1.2.3</plugin.testrunner.version>
        <atlassian.spring.scanner.version>1.2.13</atlassian.spring.scanner.version>
        <!-- This key is used to keep the consistency between the key in atlassian-plugin.xml and the key to generate bundle. -->
        <atlassian.plugin.key>${project.groupId}.${project.artifactId}</atlassian.plugin.key>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

</project>

And the full maven output after executing atlas-run:

Executing: /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1/bin/mvn com.atlassian.maven.plugins:maven-amps-dispatcher-plugin:6.3.15:run -gs /usr/share/atlassian-plugin-sdk-6.3.10/apache-maven-3.2.1/conf/settings.xml
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256M; support was removed in 8.0
[INFO] Scanning for projects...
[INFO] 
[INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building simplebp2 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] >>> maven-amps-dispatcher-plugin:6.3.15:run (default-cli) @ simplebp2 >>>
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:compress-resources (default-compress-resources) @ simplebp2 ---
[INFO] Compiling javascript using YUI
[INFO] 1 Javascript file(s) were minified into target directory /home/maike/Documents/AtlasDev/Confluence/simplebp2/target/classes
[INFO] 1 CSS file(s) were minified into target directory /home/maike/Documents/AtlasDev/Confluence/simplebp2/target/classes
[INFO] Compressing XML files
[INFO] 2 XML file(s) were minified into target directory /home/maike/Documents/AtlasDev/Confluence/simplebp2/target/classes
[INFO] 
[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ simplebp2 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 7 resources
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:filter-plugin-descriptor (default-filter-plugin-descriptor) @ simplebp2 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @ simplebp2 ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:generate-rest-docs (default-generate-rest-docs) @ simplebp2 ---
[INFO] 
[INFO] --- atlassian-spring-scanner-maven-plugin:1.2.13:atlassian-spring-scanner (default) @ simplebp2 ---
[INFO] Starting Atlassian Spring Byte Code Scanner...
[INFO] 
[INFO] 
[INFO] 	Analysis ran in 125 ms.
[INFO] 	Encountered 0 total classes
[INFO] 	Processed 0 annotated classes
[INFO] 
[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ simplebp2 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /home/maike/Documents/AtlasDev/Confluence/simplebp2/src/test/resources
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:filter-test-plugin-descriptor (default-filter-test-plugin-descriptor) @ simplebp2 ---
[INFO] 
[INFO] --- maven-compiler-plugin:3.7.0:testCompile (default-testCompile) @ simplebp2 ---
[INFO] No sources to compile
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:unit-test (default-unit-test) @ simplebp2 ---
[INFO] No tests to run.
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:copy-bundled-dependencies (default-copy-bundled-dependencies) @ simplebp2 ---
[INFO] Unpacking /home/maike/.m2/repository/com/google/code/gson/gson/2.2.2-atlassian-1/gson-2.2.2-atlassian-1.jar to /home/maike/Documents/AtlasDev/Confluence/simplebp2/target/classes with includes "" and excludes "atlassian-plugin.xml,META-INF/MANIFEST.MF,META-INF/*.DSA,META-INF/*.SF"
[INFO] Unpacking /home/maike/.m2/repository/com/atlassian/plugin/atlassian-spring-scanner-runtime/1.2.13/atlassian-spring-scanner-runtime-1.2.13.jar to /home/maike/Documents/AtlasDev/Confluence/simplebp2/target/classes with includes "" and excludes "atlassian-plugin.xml,META-INF/MANIFEST.MF,META-INF/*.DSA,META-INF/*.SF"
[INFO] Unpacking /home/maike/.m2/repository/com/atlassian/plugin/atlassian-spring-scanner-annotation/1.2.13/atlassian-spring-scanner-annotation-1.2.13.jar to /home/maike/Documents/AtlasDev/Confluence/simplebp2/target/classes with includes "" and excludes "atlassian-plugin.xml,META-INF/MANIFEST.MF,META-INF/*.DSA,META-INF/*.SF"
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:copy-test-bundled-dependencies (default-copy-test-bundled-dependencies) @ simplebp2 ---
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:generate-manifest (default-generate-manifest) @ simplebp2 ---
[INFO] Generating a manifest for this plugin
[INFO] using maven-bundle-plugin v2.5.3
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:generate-test-manifest (default-generate-test-manifest) @ simplebp2 ---
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:validate-manifest (default-validate-manifest) @ simplebp2 ---
[INFO] Manifest found, validating...
[INFO] Manifest validated
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:jar (default-jar) @ simplebp2 ---
[INFO] Building jar: /home/maike/Documents/AtlasDev/Confluence/simplebp2/target/simplebp2-1.0-SNAPSHOT.jar
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:generate-obr-artifact (default-generate-obr-artifact) @ simplebp2 ---
[INFO] using maven-bundle-plugin v2.5.3
[INFO] Writing OBR metadata
[INFO] Installing simplebp2-1.0-SNAPSHOT.jar
[INFO] Writing OBR metadata
[INFO] Building jar: /home/maike/Documents/AtlasDev/Confluence/simplebp2/target/simplebp2-1.0-SNAPSHOT.obr
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:validate-test-manifest (default-validate-test-manifest) @ simplebp2 ---
[INFO] 
[INFO] --- maven-confluence-plugin:6.3.15:test-jar (default-test-jar) @ simplebp2 ---
[INFO] 
[INFO] <<< maven-amps-dispatcher-plugin:6.3.15:run (default-cli) @ simplebp2 <<<
[INFO] 
[INFO] --- maven-amps-dispatcher-plugin:6.3.15:run (default-cli) @ simplebp2 ---
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 15.392 s
[INFO] Finished at: 2018-08-01T11:12:45+01:00
[INFO] Final Memory: 58M/313M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal com.atlassian.maven.plugins:maven-amps-dispatcher-plugin:6.3.15:run (default-cli) on project simplebp2: Unable to execute mojo: Execution null of goal com.atlassian.maven.plugins:maven-confluence-plugin:6.3.15:run failed: javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

The output of atlas-run -X as a pdf (because otherwise the post would be far over the character limit):
atlas-runX.pdf (1.4 MB)