Guillaume Nodet created MNG-7834:
------------------------------------
Summary: NPE in flatten-maven-plugin
Key: MNG-7834
URL: https://issues.apache.org/jira/browse/MNG-7834
Project: Maven
Issue Type: Bug
Affects Versions: 4.0.0-alpha-7
Reporter: Guillaume Nodet
The flatten-maven-plugin fails with a NullPointerException:
{code}[ERROR] Failed to execute goal
org.codehaus.mojo:flatten-maven-plugin:1.5.0:flatten (default-cli) on project
camel: failed to create a clean pom: Cannot invoke "java.util.List.stream()"
because "dependencies" is null -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.codehaus.mojo:flatten-maven-plugin:1.5.0:flatten (default-cli) on project
camel: failed to create a clean pom
at
org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2(MojoExecutor.java:341)
at
org.apache.maven.lifecycle.internal.MojoExecutor.doExecute(MojoExecutor.java:324)
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:77)
at
org.apache.maven.lifecycle.internal.MojoExecutor$1.run(MojoExecutor.java:162)
at
org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute(DefaultMojosExecutionStrategy.java:39)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:159)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:114)
at
io.takari.maven.builder.smart.SmartBuilderImpl.buildProject(SmartBuilderImpl.java:204)
at
io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run(SmartBuilderImpl.java:78)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:577)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
at java.base/java.lang.Thread.run(Thread.java:1623)
Caused by: org.apache.maven.plugin.MojoExecutionException: failed to create a
clean pom
at
org.codehaus.mojo.flatten.FlattenMojo.createFlattenedPom(FlattenMojo.java:556)
at org.codehaus.mojo.flatten.FlattenMojo.execute(FlattenMojo.java:406)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:143)
at
org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2(MojoExecutor.java:336)
... 15 common frames omitted
Caused by: java.lang.NullPointerException: Cannot invoke
"java.util.List.stream()" because "dependencies" is null
at org.apache.maven.model.ModelBase.setDependencies(ModelBase.java:164)
at
org.codehaus.mojo.flatten.FlattenMojo.createCleanPom(FlattenMojo.java:686)
at
org.codehaus.mojo.flatten.FlattenMojo.createFlattenedPom(FlattenMojo.java:554)
... 18 common frames omitted
{code}
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