Carsten Rohde created MDEP-833:
----------------------------------
Summary: 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
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}
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