How to solve this?
Removing of / prefix did not helped.
Plugin loaded without errors.
REST works.
<?xml version="1.0" encoding="UTF-8"?>
<atlassian-plugin key="${atlassian.plugin.key}" name="${project.name}" plugins-version="2">
<plugin-info>
<description>${project.description}</description>
<version>${project.version}</version>
<vendor name="${project.organization.name}" url="${project.organization.url}" />
<param name="plugin-icon">images/pluginIcon.png</param>
<param name="plugin-logo">images/pluginLogo.png</param>
</plugin-info>
<resource type="i18n" name="i18n" location="com.x.jira.plugin-y" />
<web-resource key="com.x.jira.plugin-y-resources" name="com.x.jira.plugin-y Web Resources">
<dependency>com.atlassian.auiplugin:ajs</dependency>
<resource type="download" name="bootstrap.table.css" location="/css/vendor/bootstrap.table.min.css" />
<resource type="download" name="com.x.jira.plugin-y.css" location="/css/com.x.jira.plugin-y.css" />
<resource type="download" name="jquery.js" location="/js/vendor/jquery-3.3.1.min.js" />
<resource type="download" name="bootstrap-table.js" location="/js/vendor/bootstrap-table-1.13.1.min.js" />
<resource type="download" name="com.x.jira.plugin-y.js" location="/js/com.x.jira.plugin-y.js" />
<resource type="download" name="images/" location="/images" />
<context>atl.general</context>
</web-resource>
<rest name="x Object" i18n-name-key="x-object.name" key="x-object" path="/y" version="1.0">
<description key="x-object.description">The x Object REST Plugin</description>
</rest>
</atlassian-plugin>
POM [url=https://pastebin.com/HZZpTnic]https://pastebin.com/HZZpTnic[/url][https://pastebin.com/HZZpTnic](https://pastebin.com/HZZpTnic)