[
https://issues.apache.org/jira/browse/MNG-6819?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sylwester Lachiewicz closed MNG-6819.
-------------------------------------
Resolution: Fixed
> NullPointerException for DefaultArtifactDescriptorReader.loadPom
> ----------------------------------------------------------------
>
> Key: MNG-6819
> URL: https://issues.apache.org/jira/browse/MNG-6819
> Project: Maven
> Issue Type: Bug
> Components: Inheritance and Interpolation
> Affects Versions: 3.6.2, 3.6.3
> Reporter: Darcy Shen
> Assignee: Sylwester Lachiewicz
> Priority: Major
> Fix For: 3.7.0
>
>
> Here is a clue to reproduce the NPE.
> {code:xml}
> <plugin>
> <artifactId>maven-antrun-plugin</artifactId>
> <executions>
> <execution>
> <phase>package</phase>
> <configuration>
> <tasks>
> <unzip
>
> src="${project.build.directory}/${project.build.finalName}.${project.packaging}"
> dest="${project.build.directory}/xxx" />
> </tasks>
> </configuration>
> <goals>
> <goal>run</goal>
> </goals>
> </execution>
> </executions>
> </plugin>
> {code}
> project.build.finalName is the previous value, and the interpolated value is
> null.
> {noformat}
> $ mvn clean compile -e # on a private project
> [ERROR] NullPointerException
> java.lang.NullPointerException
> at java.util.Hashtable$Entry.setValue (Hashtable.java:1286)
> at
> org.apache.maven.model.interpolation.StringVisitorModelInterpolator$ModelVisitor.visit
> (StringVisitorModelInterpolator.java:1429)
> at
> org.apache.maven.model.interpolation.StringVisitorModelInterpolator$ModelVisitor.visit
> (StringVisitorModelInterpolator.java:1027)
> at
> org.apache.maven.model.interpolation.StringVisitorModelInterpolator$ModelVisitor.visit
> (StringVisitorModelInterpolator.java:170)
> at
> org.apache.maven.model.interpolation.StringVisitorModelInterpolator.interpolateModel
> (StringVisitorModelInterpolator.java:107)
> at org.apache.maven.model.building.DefaultModelBuilder.interpolateModel
> (DefaultModelBuilder.java:789)
> at org.apache.maven.model.building.DefaultModelBuilder.build
> (DefaultModelBuilder.java:393)
> at
> org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom
> (DefaultArtifactDescriptorReader.java:292)
> at
> org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor
> (DefaultArtifactDescriptorReader.java:171)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.resolveCachedArtifactDescriptor
> (DefaultDependencyCollector.java:541)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.getArtifactDescriptorResult
> (DefaultDependencyCollector.java:524)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:412)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:365)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process
> (DefaultDependencyCollector.java:352)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse
> (DefaultDependencyCollector.java:509)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:461)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:365)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process
> (DefaultDependencyCollector.java:352)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse
> (DefaultDependencyCollector.java:509)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:461)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:365)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process
> (DefaultDependencyCollector.java:352)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse
> (DefaultDependencyCollector.java:509)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:461)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:365)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process
> (DefaultDependencyCollector.java:352)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse
> (DefaultDependencyCollector.java:509)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:461)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:365)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process
> (DefaultDependencyCollector.java:352)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse
> (DefaultDependencyCollector.java:509)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:461)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:365)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process
> (DefaultDependencyCollector.java:352)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse
> (DefaultDependencyCollector.java:509)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:461)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:365)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process
> (DefaultDependencyCollector.java:352)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse
> (DefaultDependencyCollector.java:509)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:461)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:365)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process
> (DefaultDependencyCollector.java:352)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse
> (DefaultDependencyCollector.java:509)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:461)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
> (DefaultDependencyCollector.java:365)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process
> (DefaultDependencyCollector.java:352)
> at
> org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.collectDependencies
> (DefaultDependencyCollector.java:254)
> at
> org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies
> (DefaultRepositorySystem.java:284)
> at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve
> (DefaultProjectDependenciesResolver.java:169)
> at
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies
> (LifecycleDependencyResolver.java:243)
> at
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
> (LifecycleDependencyResolver.java:147)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved
> (MojoExecutor.java:248)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:202)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:156)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:148)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
> (LifecycleModuleBuilder.java:117)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
> (LifecycleModuleBuilder.java:81)
> at
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
> (SingleThreadedBuilder.java:56)
> at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
> (LifecycleStarter.java:128)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
> at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
> at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
> at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:498)
> at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
> (Launcher.java:282)
> at org.codehaus.plexus.classworlds.launcher.Launcher.launch
> (Launcher.java:225)
> at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
> (Launcher.java:406)
> at org.codehaus.plexus.classworlds.launcher.Launcher.main
> (Launcher.java:347)
> {noformat}
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