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Kari J. Niemi commented on MNG-4996: ------------------------------------ It seems I've forgotten to specifically mention that the jbi-maven-plugin is not yet marked as thread-safe and is causing a lot of warnings in the build log. I probably thought that it's not causing the problem because (as far as I know) it's mostly just binding the "basic" maven plugins to different phases. But actually, I really don't know. And actually I don't know which versions of the "basic" maven plugins(depensurefire/ it uses... maybe it's binding some specific(older) versions and not using the ones defined in our pom.xmls...(?)... hmmmm... actually I propably thought the pluginArtifactMap there would reveal this... > Maven3 parallel build fails occasionally for classpath problems. > ---------------------------------------------------------------- > > Key: MNG-4996 > URL: http://jira.codehaus.org/browse/MNG-4996 > Project: Maven 2 & 3 > Issue Type: Bug > Components: Plugins and Lifecycle > Affects Versions: 3.0.1 > Environment: maven 3.0.1, maven 3.0 > Reporter: Kari J. Niemi > Assignee: Kristian Rosenvold > > In a multimodule (>120 modules) maven build, the compiler plug-in would seem > to fail in creating a correct class-path every now and then. > Instead of this entry in maven -X logs for a single module build: > ---- > [DEBUG] Configuring mojo > 'org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile' with basic > configurator --> > .. > [DEBUG] (f) classpathElements = > [/home/karniemi/"mymodulepath"/target/classes, > /home/karniemi/.m2/repository/org/apache/servicemix/servicemix-utils/1.2.0/servicemix-utils-1.2.0.jar, > > /home/karniemi/.m2/repository/org/apache/geronimo/specs/geronimo-stax-api_1.0_spec/1.0.1/geronimo-stax-api_1.0_spec-1.0.1.jar, > > /home/karniemi/.m2/repository/org/codehaus/woodstox/wstx-asl/3.2.6/wstx-asl-3.2.6.jar, > > /home/karniemi/.m2/repository/org/apache/servicemix/specs/org.apache.servicemix.specs.jbi-api-1.0/1.4.0/org.apache.servicemix.specs.jbi-api-1.0-1.4.0.jar, > > /home/karniemi/.m2/repository/org/apache/geronimo/specs/geronimo-activation_1.1_spec/1.0.2/geronimo-activation_1.1_spec-1.0.2.jar, > /home/karniemi/.m2/repository/log4j/log4j/1.2.14/log4j-1.2.14.jar] > ---- > every now and then I get this in the parallel build: > ---- > [DEBUG] Configuring mojo > 'org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile' with basic > configurator --> > ... > [DEBUG] (f) classpathElements = > [/home/karniemi/"mymodulepath"/target/classes] > ---- > And of course the compilation fails because none of the dependencies are > added to the classpath. Sometimes it goes fine in the multi-module build, but > every now and then it fails for this. > In both maven runs I can see that the dependencies are resolved fine: > ---------- > [DEBUG] "mymodule":jar:DYNAMIC-SNAPSHOT > [DEBUG] junit:junit:jar:4.7:test > [DEBUG] org.apache.servicemix:servicemix-utils:jar:1.2.0:provided > [DEBUG] > org.apache.geronimo.specs:geronimo-stax-api_1.0_spec:jar:1.0.1:provided > [DEBUG] org.codehaus.woodstox:wstx-asl:jar:3.2.6:provided > [DEBUG] > org.apache.servicemix.specs:org.apache.servicemix.specs.jbi-api-1.0:jar:1.4.0:provided > (scope managed from compile) (version managed from 1.1.0) > [DEBUG] > org.apache.geronimo.specs:geronimo-activation_1.1_spec:jar:1.0.2:provided > [DEBUG] log4j:log4j:jar:1.2.14:provided > ----------- > > The pluginArtifactMap looks like this: > -------------------- > [DEBUG] (s) pluginArtifactMap = > {org.apache.maven.plugins:maven-surefire-plugin=org.apache.maven.plugins:maven-surefire-plugin:maven-plugin:2.6:, > > org.apache.maven.surefire:surefire-booter=org.apache.maven.surefire:surefire-booter:jar:2.6:compile, > > org.apache.maven.surefire:surefire-api=org.apache.maven.surefire:surefire-api:jar:2.6:compile, > > org.apache.maven.surefire:maven-surefire-common=org.apache.maven.surefire:maven-surefire-common:jar:2.6:compile, > > org.apache.maven.shared:maven-common-artifact-filters=org.apache.maven.shared:maven-common-artifact-filters:jar:1.2:compile, > > org.codehaus.plexus:plexus-utils=org.codehaus.plexus:plexus-utils:jar:2.0.5:compile, > junit:junit=junit:junit:jar:3.8.1:compile, > org.apache.maven.reporting:maven-reporting-api=org.apache.maven.reporting:maven-reporting-api:jar:2.0.9:compile} > -------------------- > I'm really using jbi-maven-plugin for most of the modules, and that plugin > binds the other plugins -also the compiler-plugin -to maven life-cycle phases. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira