[
https://issues.apache.org/jira/browse/MPLUGIN-384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Herve Boutemy updated MPLUGIN-384:
----------------------------------
Description:
Version 3.6.1 of maven-plugin-plugin worked fine, but since updating to version
3.6.2, I get an NPE (tested with Java 8 and Java 17). I believe the error in
both Java 8 and Java 17 is the same, but Java 17 gives a better message (see
below).
Even though it's the nexus-staging-maven-plugin that is complaining, the
message implies that the maven-plugin-plugin is somehow failing to extract the
prefix from the plugin. Going back to maven-plugin-plugin version 3.6.1 fixes
the issue.
{noformat}
[ERROR] Failed to execute goal
org.sonatype.plugins:nexus-staging-maven-plugin:1.6.8:deploy
(injected-nexus-deploy) on project my-maven-plugin: Failed to update metadata
my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)" because
the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null ->
[Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.sonatype.plugins:nexus-staging-maven-plugin:1.6.8:deploy
(injected-nexus-deploy) on project my-maven-plugin: Failed to update metadata
my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)" because
the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:215)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: org.apache.maven.plugin.MojoExecutionException: Failed to update
metadata my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)"
because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:216)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: org.apache.maven.artifact.deployer.ArtifactDeploymentException:
Failed to update metadata my.group.id/maven-metadata.xml: Cannot invoke
"String.equals(Object)" because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
(DefaultArtifactDeployer.java:146)
at
org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
(AbstractDeployStrategy.java:213)
at
org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
(DeferredDeployStrategy.java:86)
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:213)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: org.eclipse.aether.deployment.DeploymentException: Failed to update
metadata my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)"
because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.eclipse.aether.internal.impl.DefaultDeployer.upload
(DefaultDeployer.java:437)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:321)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:213)
at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy
(DefaultRepositorySystem.java:386)
at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
(DefaultArtifactDeployer.java:142)
at
org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
(AbstractDeployStrategy.java:213)
at
org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
(DeferredDeployStrategy.java:86)
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:213)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: org.eclipse.aether.RepositoryException: Cannot invoke
"String.equals(Object)" because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.apache.maven.artifact.repository.metadata.MetadataBridge.merge
(MetadataBridge.java:70)
at org.eclipse.aether.internal.impl.DefaultDeployer.upload
(DefaultDeployer.java:433)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:321)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:213)
at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy
(DefaultRepositorySystem.java:386)
at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
(DefaultArtifactDeployer.java:142)
at
org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
(AbstractDeployStrategy.java:213)
at
org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
(DeferredDeployStrategy.java:86)
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:213)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: java.lang.NullPointerException: Cannot invoke
"String.equals(Object)" because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.apache.maven.artifact.repository.metadata.Metadata.merge
(Metadata.java:276)
at
org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.updateRepositoryMetadata
(AbstractRepositoryMetadata.java:121)
at
org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.storeInLocalRepository
(AbstractRepositoryMetadata.java:67)
at org.apache.maven.artifact.repository.metadata.MetadataBridge.merge
(MetadataBridge.java:65)
at org.eclipse.aether.internal.impl.DefaultDeployer.upload
(DefaultDeployer.java:433)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:321)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:213)
at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy
(DefaultRepositorySystem.java:386)
at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
(DefaultArtifactDeployer.java:142)
at
org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
(AbstractDeployStrategy.java:213)
at
org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
(DeferredDeployStrategy.java:86)
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:213)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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}
was:
Version 3.6.1 of maven-plugin-plugin worked fine, but since updating to version
3.6.2, I get an NPE (tested with Java 8 and Java 17). I believe the error in
both Java 8 and Java 17 is the same, but Java 17 gives a better message (see
below). Even though it's the nexus-staging-maven-plugin that is complaining,
the message implies that the maven-plugin-plugin is somehow failing to extract
the prefix from the plugin. Going back to maven-plugin-plugin version 3.6.1
fixes the issue.
{noformat}
[ERROR] Failed to execute goal
org.sonatype.plugins:nexus-staging-maven-plugin:1.6.8:deploy
(injected-nexus-deploy) on project my-maven-plugin: Failed to update metadata
my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)" because
the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null ->
[Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.sonatype.plugins:nexus-staging-maven-plugin:1.6.8:deploy
(injected-nexus-deploy) on project my-maven-plugin: Failed to update metadata
my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)" because
the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:215)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: org.apache.maven.plugin.MojoExecutionException: Failed to update
metadata my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)"
because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:216)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: org.apache.maven.artifact.deployer.ArtifactDeploymentException:
Failed to update metadata my.group.id/maven-metadata.xml: Cannot invoke
"String.equals(Object)" because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
(DefaultArtifactDeployer.java:146)
at
org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
(AbstractDeployStrategy.java:213)
at
org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
(DeferredDeployStrategy.java:86)
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:213)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: org.eclipse.aether.deployment.DeploymentException: Failed to update
metadata my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)"
because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.eclipse.aether.internal.impl.DefaultDeployer.upload
(DefaultDeployer.java:437)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:321)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:213)
at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy
(DefaultRepositorySystem.java:386)
at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
(DefaultArtifactDeployer.java:142)
at
org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
(AbstractDeployStrategy.java:213)
at
org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
(DeferredDeployStrategy.java:86)
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:213)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: org.eclipse.aether.RepositoryException: Cannot invoke
"String.equals(Object)" because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.apache.maven.artifact.repository.metadata.MetadataBridge.merge
(MetadataBridge.java:70)
at org.eclipse.aether.internal.impl.DefaultDeployer.upload
(DefaultDeployer.java:433)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:321)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:213)
at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy
(DefaultRepositorySystem.java:386)
at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
(DefaultArtifactDeployer.java:142)
at
org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
(AbstractDeployStrategy.java:213)
at
org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
(DeferredDeployStrategy.java:86)
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:213)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
Caused by: java.lang.NullPointerException: Cannot invoke
"String.equals(Object)" because the return value of
"org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
at org.apache.maven.artifact.repository.metadata.Metadata.merge
(Metadata.java:276)
at
org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.updateRepositoryMetadata
(AbstractRepositoryMetadata.java:121)
at
org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.storeInLocalRepository
(AbstractRepositoryMetadata.java:67)
at org.apache.maven.artifact.repository.metadata.MetadataBridge.merge
(MetadataBridge.java:65)
at org.eclipse.aether.internal.impl.DefaultDeployer.upload
(DefaultDeployer.java:433)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:321)
at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
(DefaultDeployer.java:213)
at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy
(DefaultRepositorySystem.java:386)
at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
(DefaultArtifactDeployer.java:142)
at
org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
(AbstractDeployStrategy.java:213)
at
org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
(DeferredDeployStrategy.java:86)
at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
(DeployMojo.java:213)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
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:972)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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}
> Nexus Staging Plugin - incompatibility
> --------------------------------------
>
> Key: MPLUGIN-384
> URL: https://issues.apache.org/jira/browse/MPLUGIN-384
> Project: Maven Plugin Tools
> Issue Type: Bug
> Components: Plugin Plugin
> Affects Versions: 3.6.2
> Environment: Windows 10 64-bit, Java 8 and 17, maven 3.8.1
> Reporter: Bob Marinier
> Priority: Major
>
> Version 3.6.1 of maven-plugin-plugin worked fine, but since updating to
> version 3.6.2, I get an NPE (tested with Java 8 and Java 17). I believe the
> error in both Java 8 and Java 17 is the same, but Java 17 gives a better
> message (see below).
> Even though it's the nexus-staging-maven-plugin that is complaining, the
> message implies that the maven-plugin-plugin is somehow failing to extract
> the prefix from the plugin. Going back to maven-plugin-plugin version 3.6.1
> fixes the issue.
> {noformat}
> [ERROR] Failed to execute goal
> org.sonatype.plugins:nexus-staging-maven-plugin:1.6.8:deploy
> (injected-nexus-deploy) on project my-maven-plugin: Failed to update metadata
> my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)" because
> the return value of
> "org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null ->
> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.sonatype.plugins:nexus-staging-maven-plugin:1.6.8:deploy
> (injected-nexus-deploy) on project my-maven-plugin: Failed to update metadata
> my.group.id/maven-metadata.xml: Cannot invoke "String.equals(Object)" because
> the return value of
> "org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:215)
> 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:972)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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)
> Caused by: org.apache.maven.plugin.MojoExecutionException: Failed to update
> metadata my.group.id/maven-metadata.xml: Cannot invoke
> "String.equals(Object)" because the return value of
> "org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
> at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
> (DeployMojo.java:216)
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
> (DefaultBuildPluginManager.java:137)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:210)
> 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:972)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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)
> Caused by: org.apache.maven.artifact.deployer.ArtifactDeploymentException:
> Failed to update metadata my.group.id/maven-metadata.xml: Cannot invoke
> "String.equals(Object)" because the return value of
> "org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
> at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
> (DefaultArtifactDeployer.java:146)
> at
> org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
> (AbstractDeployStrategy.java:213)
> at
> org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
> (DeferredDeployStrategy.java:86)
> at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
> (DeployMojo.java:213)
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
> (DefaultBuildPluginManager.java:137)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:210)
> 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:972)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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)
> Caused by: org.eclipse.aether.deployment.DeploymentException: Failed to
> update metadata my.group.id/maven-metadata.xml: Cannot invoke
> "String.equals(Object)" because the return value of
> "org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
> at org.eclipse.aether.internal.impl.DefaultDeployer.upload
> (DefaultDeployer.java:437)
> at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
> (DefaultDeployer.java:321)
> at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
> (DefaultDeployer.java:213)
> at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy
> (DefaultRepositorySystem.java:386)
> at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
> (DefaultArtifactDeployer.java:142)
> at
> org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
> (AbstractDeployStrategy.java:213)
> at
> org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
> (DeferredDeployStrategy.java:86)
> at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
> (DeployMojo.java:213)
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
> (DefaultBuildPluginManager.java:137)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:210)
> 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:972)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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)
> Caused by: org.eclipse.aether.RepositoryException: Cannot invoke
> "String.equals(Object)" because the return value of
> "org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
> at org.apache.maven.artifact.repository.metadata.MetadataBridge.merge
> (MetadataBridge.java:70)
> at org.eclipse.aether.internal.impl.DefaultDeployer.upload
> (DefaultDeployer.java:433)
> at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
> (DefaultDeployer.java:321)
> at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
> (DefaultDeployer.java:213)
> at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy
> (DefaultRepositorySystem.java:386)
> at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
> (DefaultArtifactDeployer.java:142)
> at
> org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
> (AbstractDeployStrategy.java:213)
> at
> org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
> (DeferredDeployStrategy.java:86)
> at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
> (DeployMojo.java:213)
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
> (DefaultBuildPluginManager.java:137)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:210)
> 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:972)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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)
> Caused by: java.lang.NullPointerException: Cannot invoke
> "String.equals(Object)" because the return value of
> "org.apache.maven.artifact.repository.metadata.Plugin.getPrefix()" is null
> at org.apache.maven.artifact.repository.metadata.Metadata.merge
> (Metadata.java:276)
> at
> org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.updateRepositoryMetadata
> (AbstractRepositoryMetadata.java:121)
> at
> org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.storeInLocalRepository
> (AbstractRepositoryMetadata.java:67)
> at org.apache.maven.artifact.repository.metadata.MetadataBridge.merge
> (MetadataBridge.java:65)
> at org.eclipse.aether.internal.impl.DefaultDeployer.upload
> (DefaultDeployer.java:433)
> at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
> (DefaultDeployer.java:321)
> at org.eclipse.aether.internal.impl.DefaultDeployer.deploy
> (DefaultDeployer.java:213)
> at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy
> (DefaultRepositorySystem.java:386)
> at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy
> (DefaultArtifactDeployer.java:142)
> at
> org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp
> (AbstractDeployStrategy.java:213)
> at
> org.sonatype.nexus.maven.staging.deploy.strategy.DeferredDeployStrategy.finalizeDeploy
> (DeferredDeployStrategy.java:86)
> at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute
> (DeployMojo.java:213)
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
> (DefaultBuildPluginManager.java:137)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:210)
> 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:972)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:568)
> 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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