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https://issues.apache.org/jira/browse/MCOMPILER-547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17768598#comment-17768598
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ASF GitHub Bot commented on MCOMPILER-547:
------------------------------------------
slawekjaranowski merged PR #199:
URL: https://github.com/apache/maven-compiler-plugin/pull/199
> NPE when --patch-module is used in non-module project
> -----------------------------------------------------
>
> Key: MCOMPILER-547
> URL: https://issues.apache.org/jira/browse/MCOMPILER-547
> Project: Maven Compiler Plugin
> Issue Type: Bug
> Affects Versions: 3.10.1, 3.11.0
> Reporter: Robert Varga
> Priority: Major
>
> Encountered while working on KARAF-7754:
> {noformat}
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution
> default-compile of goal
> org.apache.maven.plugins:maven-compiler-plugin:3.10.1:compile failed: Cannot
> invoke "java.util.Map.get(Object)" because the return value of
> "org.apache.maven.plugin.compiler.AbstractCompilerMojo.getPathElements()" is
> null
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
> (DefaultBuildPluginManager.java:133)
> at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
> (MojoExecutor.java:328)
> at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
> (MojoExecutor.java:316)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:212)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:174)
> at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
> (MojoExecutor.java:75)
> at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
> (MojoExecutor.java:162)
> at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
> (DefaultMojosExecutionStrategy.java:39)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:159)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
> (LifecycleModuleBuilder.java:105)
> at io.takari.maven.builder.smart.SmartBuilderImpl.buildProject
> (SmartBuilderImpl.java:209)
> at io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run
> (SmartBuilderImpl.java:81)
> at java.util.concurrent.Executors$RunnableAdapter.call
> (Executors.java:539)
> at java.util.concurrent.FutureTask.run (FutureTask.java:264)
> at java.util.concurrent.ThreadPoolExecutor.runWorker
> (ThreadPoolExecutor.java:1136)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run
> (ThreadPoolExecutor.java:635)
> at java.lang.Thread.run (Thread.java:833)
> Caused by: java.lang.NullPointerException: Cannot invoke
> "java.util.Map.get(Object)" because the return value of
> "org.apache.maven.plugin.compiler.AbstractCompilerMojo.getPathElements()" is
> null
> at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute
> (AbstractCompilerMojo.java:1126)
> at org.apache.maven.plugin.compiler.CompilerMojo.execute
> (CompilerMojo.java:198)
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
> (DefaultBuildPluginManager.java:126)
> at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
> (MojoExecutor.java:328)
> at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
> (MojoExecutor.java:316)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:212)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:174)
> at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
> (MojoExecutor.java:75)
> at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
> (MojoExecutor.java:162)
> at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
> (DefaultMojosExecutionStrategy.java:39)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:159)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
> (LifecycleModuleBuilder.java:105)
> at io.takari.maven.builder.smart.SmartBuilderImpl.buildProject
> (SmartBuilderImpl.java:209)
> at io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run
> (SmartBuilderImpl.java:81)
> at java.util.concurrent.Executors$RunnableAdapter.call
> (Executors.java:539)
> at java.util.concurrent.FutureTask.run (FutureTask.java:264)
> at java.util.concurrent.ThreadPoolExecutor.runWorker
> (ThreadPoolExecutor.java:1136)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run
> (ThreadPoolExecutor.java:635)
> at java.lang.Thread.run (Thread.java:833)
> {noformat}
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