Maven3 parallel build fails occasionally for classpath problems.
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Key: MCOMPILER-143
URL: http://jira.codehaus.org/browse/MCOMPILER-143
Project: Maven 2.x Compiler Plugin
Issue Type: Bug
Affects Versions: 2.3.1
Environment: maven 3.0.1, maven 3.0
Reporter: Kari J. Niemi
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.
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