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http://jira.codehaus.org/browse/MNG-4972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=251556#action_251556
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Ondrej Zizka commented on MNG-4972:
-----------------------------------
I, sorry for duplicate, I couldn't find so I thought I didn't file.
1) Some of your assumptions are correct. It's ..._CR3,
2) The src/core came from my build structure. So, I meant the root pom,
Hibernate Agregator
3) I intentionally wrote (no profile) because that's what I done when I got the
exception.
I know that it's not the way to build the project, but it's a record how I
got the bug which bugs me now and then in correctly configured builds.
4) I also get this bug rarely. However when I get it, it spoils quite a long
chain of runs in continuous integration.
5) Anyway, the bug does not appear often, so if it's going to be buried with
upcoming Maven 3, so be it.
Thanks for trying.
> NPE in DefaultConverterLookup.findConverterForType()
> ----------------------------------------------------
>
> Key: MNG-4972
> URL: http://jira.codehaus.org/browse/MNG-4972
> Project: Maven 2 & 3
> Issue Type: Bug
> Affects Versions: 2.2.1
> Reporter: Ondrej Zizka
> Assignee: Benjamin Bentmann
> Attachments: settings-hbn.xml
>
>
> $ mvn --version
> Apache Maven 2.2.1 (r801777; 2009-08-06 21:16:01+0200)
> Java version: 1.6.0_22
> Java home: /usr/lib/jvm/java-6-sun-1.6.0.22/jre
> Default locale: en_US, platform encoding: ANSI_X3.4-1968
> OS name: "linux" version: "2.6.24-28-server" arch: "i386" Family: "unix"
> Steps to reproduce:
> 1) Check out Hibernate Core 3.3.2
> 2) Download the attached settings-hbn.xml and change the <localRepository> to
> some empty dir
> 2) cd src/core
> 3) mvn -s settings-hbn.xml clean install (no profile)
> 4) When I run this for the first time (empty repo), I've got the exception
> below.
> ...
> Downloading:
> http://uk.maven.org/maven2/commons-httpclient/commons-httpclient/2.0.2/commons-httpclient-2.0.2.jar
> Downloading: http://uk.maven.org/maven2/jdom/jdom/1.0/jdom-1.0.jar
> Downloading:
> http://uk.maven.org/maven2/org/codehaus/plexus/plexus-utils/1.1/plexus-utils-1.1.jar
> Downloading:
> http://uk.maven.org/maven2/de/zeigermann/xml/xml-im-exporter/1.1/xml-im-exporter-1.1.jar
> Downloading:
> http://uk.maven.org/maven2/commons-logging/commons-logging/1.0.4/commons-logging-1.0.4.jar
> Downloading:
> http://uk.maven.org/maven2/slide/slide-webdavlib/2.1/slide-webdavlib-2.1.jar
> Downloading:
> http://uk.maven.org/maven2/org/apache/maven/wagon/wagon-webdav/1.0-beta-2/wagon-webdav-1.0-beta-2.jar
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Building Hibernate Core Parent POM
> [INFO] task-segment: [clean, install]
> [INFO]
> ------------------------------------------------------------------------
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] null
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
> at
> org.codehaus.plexus.component.configurator.converters.lookup.DefaultConverterLookup.findConverterForType(DefaultConverterLookup.java:115)
> at
> org.codehaus.plexus.component.configurator.converters.lookup.DefaultConverterLookup.lookupConverterForType(DefaultConverterLookup.java:92)
> at
> org.codehaus.plexus.component.configurator.converters.composite.CollectionConverter.fromConfiguration(CollectionConverter.java:175)
> at
> org.codehaus.plexus.component.configurator.converters.ComponentValueSetter.configure(ComponentValueSetter.java:247)
> at
> org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.processConfiguration(ObjectWithFieldsConverter.java:137)
> at
> org.codehaus.plexus.component.configurator.BasicComponentConfigurator.configureComponent(BasicComponentConfigurator.java:56)
> at
> org.codehaus.plexus.component.configurator.AbstractComponentConfigurator.configureComponent(AbstractComponentConfigurator.java:54)
> at
> org.codehaus.plexus.component.configurator.AbstractComponentConfigurator.configureComponent(AbstractComponentConfigurator.java:47)
> at
> org.codehaus.plexus.personality.plexus.lifecycle.phase.AutoConfigurePhase.execute(AutoConfigurePhase.java:39)
> at
> org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
> at
> org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
> at
> org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
> at
> org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
> at
> org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
> at
> org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440)
> at
> org.apache.maven.execution.MavenSession.lookup(MavenSession.java:138)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.findMappingsForLifecycle(DefaultLifecycleExecutor.java:1358)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.bindLifecycleForPackaging(DefaultLifecycleExecutor.java:1292)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.constructLifecycleMappings(DefaultLifecycleExecutor.java:1275)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:534)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
> at
> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
> at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
> at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
> at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
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