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http://jira.codehaus.org/browse/MNG-4207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
John Casey updated MNG-4207:
----------------------------
Assignee: John Casey
Fix Version/s: 2.2.0
> Plugins that use ArtifactResolver with http repositories AND depend on log4j
> run into ExceptionInInitializerError
> -----------------------------------------------------------------------------------------------------------------
>
> Key: MNG-4207
> URL: http://jira.codehaus.org/browse/MNG-4207
> Project: Maven 2
> Issue Type: Bug
> Components: Artifacts and Repositories, Class Loading
> Affects Versions: 2.2.0
> Reporter: John Casey
> Assignee: John Casey
> Priority: Blocker
> Fix For: 2.2.0
>
> Attachments: maven-it-plugin-log4j.zip, pom.xml
>
>
> plugins that use log4j as a dependency and that also resolve artifacts using
> the ArtifactResolver to access one or more http repositories are running into
> a stacktrace as follows:
> {noformat}
> [FATAL ERROR] org.apache.maven.plugin.coreit.ItMojo#execute() caused a
> linkage error (java.lang.ExceptionInInitializerError) and may be out-of-date.
> Check the realms:
> [FATAL ERROR] Plugin realm =
> app0.child-container[org.apache.maven.its.plugins:maven-it-plugin-log4j:2.1-SNAPSHOT]
> urls[0] =
> file:/Users/jdcasey/.m2/repository/org/apache/maven/its/plugins/maven-it-plugin-log4j/2.1-SNAPSHOT/maven-it-plugin-log4j-2.1-SNAPSHOT.jar
> urls[1] =
> file:/Users/jdcasey/.m2/repository/org/codehaus/plexus/plexus-utils/1.1/plexus-utils-1.1.jar
> urls[2] =
> file:/Users/jdcasey/.m2/repository/log4j/log4j/1.2.14/log4j-1.2.14.jar
> [FATAL ERROR] Container realm = plexus.core
> urls[0] =
> file:/Users/jdcasey/apps/maven/apache-maven-2.2.0-RC3-SNAPSHOT/lib/maven-2.2.0-RC3-SNAPSHOT-uber.jar
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] null
> org/apache/log4j/Category
> [INFO]
> ------------------------------------------------------------------------
> [DEBUG] Trace
> java.lang.ExceptionInInitializerError
> at
> org.apache.maven.wagon.shared.http.AbstractHttpClientWagon.openConnectionInternal(AbstractHttpClientWagon.java:153)
> at
> org.apache.maven.wagon.AbstractWagon.openConnection(AbstractWagon.java:105)
> at
> org.apache.maven.wagon.AbstractWagon.connect(AbstractWagon.java:207)
> at
> org.apache.maven.artifact.manager.DefaultWagonManager.getRemoteFile(DefaultWagonManager.java:439)
> at
> org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java:372)
> at
> org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java:327)
> at
> org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:216)
> at
> org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:90)
> at org.apache.maven.plugin.coreit.ItMojo.execute(ItMojo.java:97)
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:483)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:678)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:540)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:519)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:371)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:332)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:181)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:356)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
> at
> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:41)
> 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:585)
> 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)
> Caused by: hidden.org.apache.commons.logging.LogConfigurationException:
> hidden.org.apache.commons.logging.LogConfigurationException: No suitable Log
> constructor [Ljava.lang.Class;@986c47 for
> hidden.org.apache.commons.logging.impl.Log4JLogger (Caused by
> java.lang.NoClassDefFoundError: org/apache/log4j/Category) (Caused by
> hidden.org.apache.commons.logging.LogConfigurationException: No suitable Log
> constructor [Ljava.lang.Class;@986c47 for
> hidden.org.apache.commons.logging.impl.Log4JLogger (Caused by
> java.lang.NoClassDefFoundError: org/apache/log4j/Category))
> at
> hidden.org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:543)
> at
> hidden.org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
> at
> hidden.org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209)
> at
> hidden.org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351)
> at
> hidden.org.apache.commons.httpclient.HttpClient.<clinit>(HttpClient.java:66)
> ... 28 more
> Caused by: hidden.org.apache.commons.logging.LogConfigurationException: No
> suitable Log constructor [Ljava.lang.Class;@986c47 for
> hidden.org.apache.commons.logging.impl.Log4JLogger (Caused by
> java.lang.NoClassDefFoundError: org/apache/log4j/Category)
> at
> hidden.org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:413)
> at
> hidden.org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
> ... 32 more
> Caused by: java.lang.NoClassDefFoundError: org/apache/log4j/Category
> at java.lang.Class.getDeclaredConstructors0(Native Method)
> at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)
> at java.lang.Class.getConstructor0(Class.java:2671)
> at java.lang.Class.getConstructor(Class.java:1629)
> at
> hidden.org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryImpl.java:410)
> ... 33 more
> {noformat}
> The problem seems to come from some sort of conflict between the dependencies
> of httpclient, which is now included in the Maven core as part of the
> non-lightweight http wagon, and other users of log4j (plugins, mainly). Still
> tracking down the exact cause of the problem, trying to determine how best to
> fix it. I'm including Benjamin Bentmann's original test case for this issue,
> since he's the one who has done most of the legwork at this point.
> instructions for the attached files (maven-it-plugin-log4j.zip and pom.xml):
> 1. unpack and install the IT plugin using Maven
> 2. Using the attached pom.xml as the project POM, try `mvn initialize -X`
> 3. observe the stacktrace that results.
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