[
https://issues.apache.org/jira/browse/MNG-7160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17555891#comment-17555891
]
Hudson commented on MNG-7160:
-----------------------------
Build unstable in Jenkins: Maven » Maven TLP » maven » PR-756 #2
See https://ci-maven.apache.org/job/Maven/job/maven-box/job/maven/job/PR-756/2/
> Extension And Classloaders: difference of result given extension types
> ----------------------------------------------------------------------
>
> Key: MNG-7160
> URL: https://issues.apache.org/jira/browse/MNG-7160
> Project: Maven
> Issue Type: Bug
> Affects Versions: 3.6.2, 3.8.1
> Reporter: Nick Cross
> Assignee: Guillaume Nodet
> Priority: Major
> Fix For: 3.9.0, 4.0.0-alpha-1, 4.0.0
>
>
> I have a project that we use for all of our internal Red Hat builds (although
> primarily through its CLI mode hence not noticing this until
> [https://github.com/release-engineering/pom-manipulation-ext/issues/832] was
> submitted in the community). This project creates an extension (lib/ext
> style) but trying to use it as a ".mvn/extensions.xml" it _seems_ to get a
> classloader problem as _I think _the Maven Model/Plugin objects are created
> within a different classloader which means when the Plugin configuration is
> retrieved and cast to a Xpp3Dom object it fails. Is there some configuration
> we are missing or is there a problem in how the classloading in Maven for
> core extensions is working when using Xpp3Dom ?
> An reproducer branch is
> [https://github.com/rnc/pom-manipulation-ext/tree/ISSUE832]
> (Simply build and install the project, then use it on any simple Maven
> project with an extensions.xml with the command e.g. "mvn -X
> -DversionSuffix=redhat-1" )
> An example log is below:
> {noformat}
> Apache Maven 3.8.1 (05c21c65bdfed0f71a2f2ada8b84da59348c4c5d)
> Maven home: /home/rnc/Software/apache-maven-3.8.1
> Java version: 11.0.11, vendor: Red Hat, Inc., runtime:
> /usr/lib/jvm/java-11-openjdk-11.0.11.0.9-2.fc33.x86_64
> Default locale: en_GB, platform encoding: UTF-8
> OS name: "linux", version: "5.11.14-200.fc33.x86_64", arch: "amd64", family:
> "unix"
> [DEBUG] Reading global settings from
> /home/rnc/Software/apache-maven-3.8.1/conf/settings.xml
> [DEBUG] Reading user settings from /home/rnc/.m2/settings.xml
> [DEBUG] Using manager EnhancedLocalRepositoryManager with priority 10.0 for
> /home/rnc/.m2/repository
> [DEBUG] Using mirror maven-default-http-blocker (http://0.0.0.0/) for
> repository.jboss.org (http://repository.jboss.org/maven2).
> [DEBUG] Using mirror maven-default-http-blocker (http://0.0.0.0/) for
> snapshots.jboss.org (http://snapshots.jboss.org/maven2).
> [DEBUG] Using mirror maven-default-http-blocker (http://0.0.0.0/) for
> oss.sonatype.org/jboss-snapshots
> (http://oss.sonatype.org/content/repositories/jboss-snapshots).
> [DEBUG] Dependency collection stats {ConflictMarker.analyzeTime=644417,
> ConflictMarker.markTime=145101, ConflictMarker.nodeCount=11,
> ConflictIdSorter.graphTime=429885, ConflictIdSorter.topsortTime=359266,
> ConflictIdSorter.conflictIdCount=10, ConflictIdSorter.conflictIdCycleCount=0,
> ConflictResolver.totalTime=2854763, ConflictResolver.conflictItemCount=11,
> DefaultDependencyCollector.collectTime=122702048,
> DefaultDependencyCollector.transformTime=6173804}
> [DEBUG] org.commonjava.maven.ext:pom-manipulation-ext:jar:4.4-SNAPSHOT
> [DEBUG] javax.inject:javax.inject:jar:1:compile
> [DEBUG] org.eclipse.sisu:org.eclipse.sisu.plexus:jar:0.3.4:compile
> [DEBUG] javax.enterprise:cdi-api:jar:1.0:compile
> [DEBUG] javax.annotation:jsr250-api:jar:1.0:compile
> [DEBUG] org.eclipse.sisu:org.eclipse.sisu.inject:jar:0.3.4:compile
> [DEBUG]
> org.codehaus.plexus:plexus-component-annotations:jar:1.5.5:compile
> [DEBUG] org.codehaus.plexus:plexus-classworlds:jar:2.5.2:compile
> [DEBUG] org.codehaus.plexus:plexus-utils:jar:3.1.0:compile (version
> managed from default)
> [DEBUG] org.slf4j:slf4j-api:jar:1.7.30:compile
> [DEBUG] Populating class realm
> coreExtension>org.commonjava.maven.ext:pom-manipulation-ext:4.4-SNAPSHOT
> [DEBUG] Included
> /home/rnc/.m2/repository/org/commonjava/maven/ext/pom-manipulation-ext/4.4-SNAPSHOT/pom-manipulation-ext-4.4-SNAPSHOT.jar
> [DEBUG] Included
> /home/rnc/.m2/repository/javax/enterprise/cdi-api/1.0/cdi-api-1.0.jar
> [DEBUG] Included
> /home/rnc/.m2/repository/org/eclipse/sisu/org.eclipse.sisu.inject/0.3.4/org.eclipse.sisu.inject-0.3.4.jar
> [DEBUG] Included
> /home/rnc/.m2/repository/org/codehaus/plexus/plexus-component-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
> [DEBUG] Included
> /home/rnc/.m2/repository/org/codehaus/plexus/plexus-utils/3.1.0/plexus-utils-3.1.0.jar
> [DEBUG] Populating class realm maven.ext
> [INFO] Running Maven Manipulation Extension (PME) 4.4-SNAPSHOT ( SHA:
> 305cdb0d )
> [DEBUG] Created new class realm maven.api
> [DEBUG] Importing foreign packages into class realm maven.api
> [DEBUG] Imported: javax.annotation.* < maven.ext
> [DEBUG] Imported: javax.annotation.security.* < maven.ext
> [DEBUG] Imported: javax.enterprise.inject.* < maven.ext
> [DEBUG] Imported: javax.enterprise.util.* < maven.ext
> [DEBUG] Imported: javax.inject.* < maven.ext
> [DEBUG] Imported: org.apache.maven.* < maven.ext
> [DEBUG] Imported: org.apache.maven.artifact < maven.ext
> [DEBUG] Imported: org.apache.maven.classrealm < maven.ext
> [DEBUG] Imported: org.apache.maven.cli < maven.ext
> [DEBUG] Imported: org.apache.maven.configuration < maven.ext
> [DEBUG] Imported: org.apache.maven.exception < maven.ext
> [DEBUG] Imported: org.apache.maven.execution < maven.ext
> [DEBUG] Imported: org.apache.maven.execution.scope < maven.ext
> [DEBUG] Imported: org.apache.maven.lifecycle < maven.ext
> [DEBUG] Imported: org.apache.maven.model < maven.ext
> [DEBUG] Imported: org.apache.maven.monitor < maven.ext
> [DEBUG] Imported: org.apache.maven.plugin < maven.ext
> [DEBUG] Imported: org.apache.maven.profiles < maven.ext
> [DEBUG] Imported: org.apache.maven.project < maven.ext
> [DEBUG] Imported: org.apache.maven.reporting < maven.ext
> [DEBUG] Imported: org.apache.maven.repository < maven.ext
> [DEBUG] Imported: org.apache.maven.rtinfo < maven.ext
> [DEBUG] Imported: org.apache.maven.settings < maven.ext
> [DEBUG] Imported: org.apache.maven.toolchain < maven.ext
> [DEBUG] Imported: org.apache.maven.usability < maven.ext
> [DEBUG] Imported: org.apache.maven.wagon.* < maven.ext
> [DEBUG] Imported: org.apache.maven.wagon.authentication < maven.ext
> [DEBUG] Imported: org.apache.maven.wagon.authorization < maven.ext
> [DEBUG] Imported: org.apache.maven.wagon.events < maven.ext
> [DEBUG] Imported: org.apache.maven.wagon.observers < maven.ext
> [DEBUG] Imported: org.apache.maven.wagon.proxy < maven.ext
> [DEBUG] Imported: org.apache.maven.wagon.repository < maven.ext
> [DEBUG] Imported: org.apache.maven.wagon.resource < maven.ext
> [DEBUG] Imported: org.codehaus.classworlds < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.* < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.classworlds < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.component < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.configuration < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.container < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.context < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.lifecycle < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.logging < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.personality < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.util.xml.* < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.util.xml.Xpp3Dom < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.util.xml.pull.XmlPullParser <
> maven.ext
> [DEBUG] Imported: org.codehaus.plexus.util.xml.pull.XmlPullParserException
> < maven.ext
> [DEBUG] Imported: org.codehaus.plexus.util.xml.pull.XmlSerializer <
> maven.ext
> [DEBUG] Imported: org.commonjava.maven.ext.* < maven.ext
> [DEBUG] Imported: org.eclipse.aether.* < maven.ext
> [DEBUG] Imported: org.eclipse.aether.artifact < maven.ext
> [DEBUG] Imported: org.eclipse.aether.collection < maven.ext
> [DEBUG] Imported: org.eclipse.aether.deployment < maven.ext
> [DEBUG] Imported: org.eclipse.aether.graph < maven.ext
> [DEBUG] Imported: org.eclipse.aether.impl < maven.ext
> [DEBUG] Imported: org.eclipse.aether.installation < maven.ext
> [DEBUG] Imported: org.eclipse.aether.internal.impl < maven.ext
> [DEBUG] Imported: org.eclipse.aether.metadata < maven.ext
> [DEBUG] Imported: org.eclipse.aether.repository < maven.ext
> [DEBUG] Imported: org.eclipse.aether.resolution < maven.ext
> [DEBUG] Imported: org.eclipse.aether.spi < maven.ext
> [DEBUG] Imported: org.eclipse.aether.transfer < maven.ext
> [DEBUG] Imported: org.eclipse.aether.version < maven.ext
> [DEBUG] Imported: org.fusesource.jansi.* < maven.ext
> [DEBUG] Imported: org.slf4j.* < maven.ext
> [DEBUG] Imported: org.slf4j.event.* < maven.ext
> [DEBUG] Imported: org.slf4j.helpers.* < maven.ext
> [DEBUG] Imported: org.slf4j.spi.* < maven.ext
> [DEBUG] Populating class realm maven.api
> [INFO] Error stacktraces are turned on.
> [DEBUG] Message scheme: color
> [DEBUG] Message styles: debug info warning error success failure strong mojo
> project
> [DEBUG] Reading global settings from
> /home/rnc/Software/apache-maven-3.8.1/conf/settings.xml
> [DEBUG] Reading user settings from /home/rnc/.m2/settings.xml
> [DEBUG] Reading global toolchains from
> /home/rnc/Software/apache-maven-3.8.1/conf/toolchains.xml
> [DEBUG] Reading user toolchains from /home/rnc/.m2/toolchains.xml
> [DEBUG] Using local repository at /home/rnc/.m2/repository
> [DEBUG] Using manager EnhancedLocalRepositoryManager with priority 10.0 for
> /home/rnc/.m2/repository
> [DEBUG] Initialising ManipulationManager with user properties
> {versionSuffix=redhat-1}
> [DEBUG] Examining for deprecated properties for versionSuffix
> [DEBUG] Configured to use Maven locations:
> SimpleLocation [uri=file:/home/rnc/.m2/repository/]
> SimpleLocation [uri=https://repo.maven.apache.org/maven2]
> [DEBUG] Initialising manipulator FinalGroovyManipulator
> [DEBUG] Initialising manipulator XMLManipulator
> [DEBUG] Initialising manipulator JSONManipulator
> [DEBUG] Initialising manipulator BOMBuilderManipulator
> [DEBUG] Initialising manipulator DistributionEnforcingManipulator
> [DEBUG] Initialising manipulator ProjectVersionEnforcingManipulator
> [DEBUG] Initialising manipulator RepositoryInjectionManipulator
> [DEBUG] Initialising manipulator PluginInjectingManipulator
> [DEBUG] Initialising manipulator ProfileRemovalManipulator
> [DEBUG] Initialising manipulator NexusStagingMavenPluginRemovalManipulator
> [DEBUG] Initialising manipulator PluginRemovalManipulator
> [DEBUG] Initialising manipulator DependencyRemovalManipulator
> [DEBUG] Initialising manipulator RepoAndReportingRemovalManipulator
> [DEBUG] Initialising manipulator DependencyManipulator
> [DEBUG] Initialising manipulator PluginManipulator
> [DEBUG] Initialising manipulator PropertyManipulator
> [DEBUG] Initialising manipulator ParentInjectionManipulator
> [DEBUG] Initialising manipulator ProjectVersioningManipulator
> [DEBUG] Initialising manipulator RESTCollector
> [DEBUG] Initialising manipulator RelocationManipulator
> [DEBUG] Initialising manipulator SuffixManipulator
> [DEBUG] Initialising manipulator ProfileInjectionManipulator
> [DEBUG] Initialising manipulator RESTBOMCollector
> [DEBUG] Initialising manipulator RangeResolver
> [DEBUG] Initialising manipulator InitialGroovyManipulator
> [DEBUG] PEEK:
> /home/rnc/Work/PME/pom-manipulation-ext/integration-test/target/it-ext/simple-numeric-with-maven-extensions/pom.xml
> [DEBUG] Setting top level parent to
> /home/rnc/Work/PME/pom-manipulation-ext/integration-test/target/it-ext/simple-numeric-with-maven-extensions/pom.xml
> ::
> org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-01
> [DEBUG] Found a standalone pom
> /home/rnc/Work/PME/pom-manipulation-ext/integration-test/target/it-ext/simple-numeric-with-maven-extensions/pom.xml
> ::
> org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-01
> [DEBUG] Setting execution root to
> org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-01
>
> [pom=/home/rnc/Work/PME/pom-manipulation-ext/integration-test/target/it-ext/simple-numeric-with-maven-extensions/pom.xml]
> with file
> /home/rnc/Work/PME/pom-manipulation-ext/integration-test/target/it-ext/simple-numeric-with-maven-extensions/pom.xml
> and is the inheritance root.
> [DEBUG] Explicitly activating []
> [DEBUG] Will not scan all profiles and returning active profiles of []
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.InitialGroovyManipulator
> [DEBUG] InitialGroovyManipulator: Nothing to do!
> [INFO] Running manipulator org.commonjava.maven.ext.core.impl.RangeResolver
> [INFO] Running manipulator org.commonjava.maven.ext.core.impl.RESTBOMCollector
> [DEBUG] RESTBOMCollector: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.ProfileInjectionManipulator
> [DEBUG] ProfileInjectionManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.SuffixManipulator
> [DEBUG] SuffixManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.RelocationManipulator
> [DEBUG] RelocationManipulator: Nothing to do!
> [INFO] Running manipulator org.commonjava.maven.ext.core.impl.RESTCollector
> [DEBUG] RESTCollector: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.ProjectVersioningManipulator
> [INFO] Version Manipulator: Calculating the necessary versioning changes.
> [DEBUG] Got the following original version: 6.1.0.Final-redhat-01 for
> groupId:artifactId
> org.commonjava.maven.ext.integration-test:simple-numeric-override
> [DEBUG] Got the following version suffixes:
> Static: redhat-1
> Incremental: null
> [DEBUG] Got the following version override: null
> [DEBUG] Applying suffix: redhat-1 to version 6.1.0.Final-redhat-01
> [DEBUG] Caching version against project
> org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-01
> with parent null and modified version 6.1.0.Final-redhat-1
> [DEBUG] Syncing projects within reactor...
> [DEBUG] Using pattern:
> '(\Q6.1.0\E([.\-_]0)*)?[.\-_]\QFinal-redhat\E[.\-_](\d+)' to find compatible
> versions from metadata.
> [DEBUG] Found highest matching build number 1 from set [6.1.0.Final-redhat-1]
> [DEBUG] Returning padding of 1
> [DEBUG]
> org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-01
> has updated version: 6.1.0.Final-redhat-1. Marking for rewrite.
> [DEBUG] Examining
> org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-01
>
> [pom=/home/rnc/Work/PME/pom-manipulation-ext/integration-test/target/it-ext/simple-numeric-with-maven-extensions/pom.xml]
> for applyVersioningChanges.
> [INFO] Looking for new version:
> org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-01
> (found: 6.1.0.Final-redhat-1)
> [INFO] Changed main version in
> org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-1
>
> [pom=/home/rnc/Work/PME/pom-manipulation-ext/integration-test/target/it-ext/simple-numeric-with-maven-extensions/pom.xml]
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.ParentInjectionManipulator
> [DEBUG] ParentInjectionManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.PropertyManipulator
> [DEBUG] PropertyManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.PluginManipulator
> [DEBUG] PluginManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.DependencyManipulator
> [DEBUG] DependencyManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.RepoAndReportingRemovalManipulator
> [DEBUG] RepoAndReportingRemovalManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.DependencyRemovalManipulator
> [DEBUG] DependencyRemovalManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.PluginRemovalManipulator
> [DEBUG] PluginRemovalManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.NexusStagingMavenPluginRemovalManipulator
> [DEBUG] Applying plugin changes to:
> org.commonjava.maven.ext.integration-test:simple-numeric-override
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.ProfileRemovalManipulator
> [DEBUG] ProfileRemovalManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.PluginInjectingManipulator
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.RepositoryInjectionManipulator
> [DEBUG] RepositoryInjectionManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.ProjectVersionEnforcingManipulator
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.DistributionEnforcingManipulator
> [DEBUG] Distribution skip-flag enforcement is disabled.
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.BOMBuilderManipulator
> [DEBUG] BOMBuilderManipulator: Nothing to do!
> [INFO] Running manipulator org.commonjava.maven.ext.core.impl.JSONManipulator
> [DEBUG] JSONManipulator: Nothing to do!
> [INFO] Running manipulator org.commonjava.maven.ext.core.impl.XMLManipulator
> [DEBUG] XMLManipulator: Nothing to do!
> [INFO] Running manipulator
> org.commonjava.maven.ext.core.impl.FinalGroovyManipulator
> [DEBUG] FinalGroovyManipulator: Nothing to do!
> [INFO] Maven-Manipulation-Extension: Rewrite changed:
> [org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-1
>
> [pom=/home/rnc/Work/PME/pom-manipulation-ext/integration-test/target/it-ext/simple-numeric-with-maven-extensions/pom.xml]]
> [DEBUG]
> org.commonjava.maven.ext.integration-test:simple-numeric-override:6.1.0.Final-redhat-1
>
> [pom=/home/rnc/Work/PME/pom-manipulation-ext/integration-test/target/it-ext/simple-numeric-with-maven-extensions/pom.xml]
> modified! Rewriting.
> ### JDOMModelConverter::Plugin::Classloader : ClassRealm[plexus.core, parent:
> null] and class org.codehaus.plexus.util.xml.Xpp3Dom and 1517266286
> ### JDOMModelConverter::Plugin::Classloader :
> ClassRealm[coreExtension>org.commonjava.maven.ext:pom-manipulation-ext:4.4-SNAPSHOT,
> parent: ClassRealm[plexus.core, parent: null]] and class
> org.codehaus.plexus.util.xml.Xpp3Dom and 1947683363
> ### instanceof false and now local xpp3dom true
> [ERROR] Extension failure
> java.lang.ClassCastException: class org.codehaus.plexus.util.xml.Xpp3Dom
> cannot be cast to class org.codehaus.plexus.util.xml.Xpp3Dom
> (org.codehaus.plexus.util.xml.Xpp3Dom is in unnamed module of loader
> org.codehaus.plexus.classworlds.realm.ClassRealm @f6f4d33;
> org.codehaus.plexus.util.xml.Xpp3Dom is in unnamed module of loader
> org.codehaus.plexus.classworlds.realm.ClassRealm @5b69fd74)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.updatePlugin
> (JDOMModelConverter.java:1531)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.iteratePlugin
> (JDOMModelConverter.java:540)
> at
> org.commonjava.maven.ext.common.jdom.JDOMModelConverter.updatePluginManagement
> (JDOMModelConverter.java:1566)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.updateBuild
> (JDOMModelConverter.java:1035)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.updateModel
> (JDOMModelConverter.java:1394)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.update
> (JDOMModelConverter.java:1818)
> at
> org.commonjava.maven.ext.common.jdom.JDOMModelConverter.convertModelToJDOM
> (JDOMModelConverter.java:52)
> at org.commonjava.maven.ext.io.PomIO.write (PomIO.java:282)
> at org.commonjava.maven.ext.io.PomIO.rewritePOMs (PomIO.java:218)
> at org.commonjava.maven.ext.core.ManipulationManager.scanAndApply
> (ManipulationManager.java:211)
> at org.commonjava.maven.ext.manip.ManipulatingEventSpy.onEvent
> (ManipulatingEventSpy.java:117)
> at org.apache.maven.eventspy.internal.EventSpyDispatcher.onEvent
> (EventSpyDispatcher.java:104)
> at
> org.apache.maven.eventspy.internal.EventSpyExecutionListener.projectDiscoveryStarted
> (EventSpyExecutionListener.java:47)
> at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire
> (DefaultExecutionEventCatapult.java:57)
> at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire
> (DefaultExecutionEventCatapult.java:42)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:217)
> 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:566)
> 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)
> [INFO] Scanning for projects...
> [DEBUG] Extension realms for project
> org.commonjava.maven.ext.integration-test:simple-numeric-override:jar:6.1.0.Final-redhat-01:
> (none)
> [DEBUG] Looking up lifecycle mappings for packaging jar from
> ClassRealm[maven.ext, parent: ClassRealm[plexus.core, parent: null]]
> [ERROR] POM Manipulation failed: Caught runtime exception: class
> org.codehaus.plexus.util.xml.Xpp3Dom cannot be cast to class
> org.codehaus.plexus.util.xml.Xpp3Dom (org.codehaus.plexus.util.xml.Xpp3Dom is
> in unnamed module of loader org.codehaus.plexus.classworlds.realm.ClassRealm
> @f6f4d33; org.codehaus.plexus.util.xml.Xpp3Dom is in unnamed module of loader
> org.codehaus.plexus.classworlds.realm.ClassRealm @5b69fd74) -> [Help 1]
> org.apache.maven.MavenExecutionException: POM Manipulation failed: Caught
> runtime exception
> at
> org.commonjava.maven.ext.manip.ManipulatingLifeCycleParticipant.afterProjectsRead
> (ManipulatingLifeCycleParticipant.java:48)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:264)
> 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:566)
> 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.commonjava.maven.ext.common.ManipulationException: Caught
> runtime exception
> at org.commonjava.maven.ext.manip.ManipulatingEventSpy.onEvent
> (ManipulatingEventSpy.java:143)
> at org.apache.maven.eventspy.internal.EventSpyDispatcher.onEvent
> (EventSpyDispatcher.java:104)
> at
> org.apache.maven.eventspy.internal.EventSpyExecutionListener.projectDiscoveryStarted
> (EventSpyExecutionListener.java:47)
> at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire
> (DefaultExecutionEventCatapult.java:57)
> at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire
> (DefaultExecutionEventCatapult.java:42)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:217)
> 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:566)
> 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.ClassCastException: class
> org.codehaus.plexus.util.xml.Xpp3Dom cannot be cast to class
> org.codehaus.plexus.util.xml.Xpp3Dom (org.codehaus.plexus.util.xml.Xpp3Dom is
> in unnamed module of loader org.codehaus.plexus.classworlds.realm.ClassRealm
> @f6f4d33; org.codehaus.plexus.util.xml.Xpp3Dom is in unnamed module of loader
> org.codehaus.plexus.classworlds.realm.ClassRealm @5b69fd74)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.updatePlugin
> (JDOMModelConverter.java:1531)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.iteratePlugin
> (JDOMModelConverter.java:540)
> at
> org.commonjava.maven.ext.common.jdom.JDOMModelConverter.updatePluginManagement
> (JDOMModelConverter.java:1566)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.updateBuild
> (JDOMModelConverter.java:1035)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.updateModel
> (JDOMModelConverter.java:1394)
> at org.commonjava.maven.ext.common.jdom.JDOMModelConverter.update
> (JDOMModelConverter.java:1818)
> at
> org.commonjava.maven.ext.common.jdom.JDOMModelConverter.convertModelToJDOM
> (JDOMModelConverter.java:52)
> at org.commonjava.maven.ext.io.PomIO.write (PomIO.java:282)
> at org.commonjava.maven.ext.io.PomIO.rewritePOMs (PomIO.java:218)
> at org.commonjava.maven.ext.core.ManipulationManager.scanAndApply
> (ManipulationManager.java:211)
> at org.commonjava.maven.ext.manip.ManipulatingEventSpy.onEvent
> (ManipulatingEventSpy.java:117)
> at org.apache.maven.eventspy.internal.EventSpyDispatcher.onEvent
> (EventSpyDispatcher.java:104)
> at
> org.apache.maven.eventspy.internal.EventSpyExecutionListener.projectDiscoveryStarted
> (EventSpyExecutionListener.java:47)
> at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire
> (DefaultExecutionEventCatapult.java:57)
> at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire
> (DefaultExecutionEventCatapult.java:42)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:217)
> 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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:566)
> 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)
> [ERROR]
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please
> read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/MavenExecutionException
> {noformat}
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