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ASF GitHub Bot commented on MNG-7834: ------------------------------------- gnodet merged PR #1195: URL: https://github.com/apache/maven/pull/1195 > 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 > Assignee: Guillaume Nodet > Priority: Major > Fix For: 4.0.0-alpha-8 > > > 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} -- This message was sent by Atlassian Jira (v8.20.10#820010)