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Carsten Rohde commented on MDEP-833: ------------------------------------ maybe this is caused by yet another regression on MNG-7335 or a related problem > dependency:properties parallel build NPE > ---------------------------------------- > > Key: MDEP-833 > URL: https://issues.apache.org/jira/browse/MDEP-833 > Project: Maven Dependency Plugin > Issue Type: Bug > Components: properties > Affects Versions: 3.3.0 > Environment: Windows 10, OpenJDK 8, Maven 3.8.6 > Reporter: Carsten Rohde > Priority: Major > > In a huge multimodule project, I get an NPE when building in parallel (see > stacktrace below). I've encountered a similar problem with the Antrun-Plugin > before (see stacktrace below) which I was able to work around by attaching > the execution to a later phase. > The NPEs happen when accessing artifact#getFile which seems not to be present > in early phases of parallel builds, so maybe this problem is down to how > maven handles parallelism. In my case dependency:properties is attached to > its default phase {{initialize}} > dependency:properties > > {code:java} > project.getProperties().setProperty( artifact.getDependencyConflictId(), > artifact.getFile().getAbsolutePath() ); > {code} > [Permalink > dependency-plugin|https://github.com/apache/maven-dependency-plugin/blob/673ef9f4d6d0119ea6dcf1b61134d1277720d3b5/src/main/java/org/apache/maven/plugins/dependency/PropertiesMojo.java#L81-L82] > > [Permalink > antrun-plugin|https://github.com/apache/maven-antrun-plugin/blob/5ec09d7b6b1b64c26d05367837d60f98ed4e0db4/src/main/java/org/apache/maven/plugins/antrun/AntRunMojo.java#L474] > > Is there any workaround, I could try? > > > *Stacktrace dependency:properties* > > {code:java} > Execution default of goal > org.apache.maven.plugins:maven-dependency-plugin:3.3.0:properties failed. > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 > (MojoExecutor.java:375) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute > (MojoExecutor.java:351) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:215) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:171) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:163) > at > org.apache.maven.lifecycle.internal.MojoExecutor.executeForkedExecutions > (MojoExecutor.java:508) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute > (MojoExecutor.java:345) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:215) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:171) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:163) > at > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject > (LifecycleModuleBuilder.java:117) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:210) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:195) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.Executors$RunnableAdapter.call > (Executors.java:511) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.ThreadPoolExecutor.runWorker > (ThreadPoolExecutor.java:1149) > at java.util.concurrent.ThreadPoolExecutor$Worker.run > (ThreadPoolExecutor.java:624) > at java.lang.Thread.run (Thread.java:748) > Caused by: org.apache.maven.plugin.PluginExecutionException: Execution > default of goal > org.apache.maven.plugins:maven-dependency-plugin:3.3.0:properties failed. > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo > (DefaultBuildPluginManager.java:148) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 > (MojoExecutor.java:370) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute > (MojoExecutor.java:351) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:215) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:171) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:163) > at > org.apache.maven.lifecycle.internal.MojoExecutor.executeForkedExecutions > (MojoExecutor.java:508) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute > (MojoExecutor.java:345) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:215) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:171) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:163) > at > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject > (LifecycleModuleBuilder.java:117) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:210) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:195) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.Executors$RunnableAdapter.call > (Executors.java:511) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.ThreadPoolExecutor.runWorker > (ThreadPoolExecutor.java:1149) > at java.util.concurrent.ThreadPoolExecutor$Worker.run > (ThreadPoolExecutor.java:624) > at java.lang.Thread.run (Thread.java:748) > Caused by: java.lang.NullPointerException > at org.apache.maven.plugins.dependency.PropertiesMojo.execute > (PropertiesMojo.java:82) > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo > (DefaultBuildPluginManager.java:137) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 > (MojoExecutor.java:370) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute > (MojoExecutor.java:351) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:215) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:171) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:163) > at > org.apache.maven.lifecycle.internal.MojoExecutor.executeForkedExecutions > (MojoExecutor.java:508) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute > (MojoExecutor.java:345) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:215) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:171) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:163) > at > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject > (LifecycleModuleBuilder.java:117) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:210) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:195) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.Executors$RunnableAdapter.call > (Executors.java:511) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.ThreadPoolExecutor.runWorker > (ThreadPoolExecutor.java:1149) > at java.util.concurrent.ThreadPoolExecutor$Worker.run > (ThreadPoolExecutor.java:624) > at java.lang.Thread.run (Thread.java:748) {code} > > > *Stacktrace antrun:run* > > {code:java} > Error executing Ant tasks: null > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 > (MojoExecutor.java:375) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute > (MojoExecutor.java:351) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:215) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:171) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:163) > at > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject > (LifecycleModuleBuilder.java:117) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:210) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:195) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.Executors$RunnableAdapter.call > (Executors.java:511) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.ThreadPoolExecutor.runWorker > (ThreadPoolExecutor.java:1149) > at java.util.concurrent.ThreadPoolExecutor$Worker.run > (ThreadPoolExecutor.java:624) > at java.lang.Thread.run (Thread.java:748) > Caused by: org.apache.maven.plugin.MojoExecutionException: Error executing > Ant tasks: null > at org.apache.maven.plugins.antrun.AntRunMojo.execute > (AntRunMojo.java:323) > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo > (DefaultBuildPluginManager.java:137) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 > (MojoExecutor.java:370) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute > (MojoExecutor.java:351) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:215) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:171) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:163) > at > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject > (LifecycleModuleBuilder.java:117) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:210) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:195) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.Executors$RunnableAdapter.call > (Executors.java:511) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.ThreadPoolExecutor.runWorker > (ThreadPoolExecutor.java:1149) > at java.util.concurrent.ThreadPoolExecutor$Worker.run > (ThreadPoolExecutor.java:624) > at java.lang.Thread.run (Thread.java:748) > Caused by: java.lang.NullPointerException > at org.apache.maven.plugins.antrun.AntRunMojo.copyProperties > (AntRunMojo.java:474) > at org.apache.maven.plugins.antrun.AntRunMojo.execute > (AntRunMojo.java:294) > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo > (DefaultBuildPluginManager.java:137) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 > (MojoExecutor.java:370) > at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute > (MojoExecutor.java:351) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:215) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:171) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:163) > at > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject > (LifecycleModuleBuilder.java:117) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:210) > at > org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call > (MultiThreadedBuilder.java:195) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.Executors$RunnableAdapter.call > (Executors.java:511) > at java.util.concurrent.FutureTask.run (FutureTask.java:266) > at java.util.concurrent.ThreadPoolExecutor.runWorker > (ThreadPoolExecutor.java:1149) > at java.util.concurrent.ThreadPoolExecutor$Worker.run > (ThreadPoolExecutor.java:624) > at java.lang.Thread.run (Thread.java:748) {code} > > > > -- This message was sent by Atlassian Jira (v8.20.10#820010)