pom.xml is deleted if validation fails
--------------------------------------
Key: CONTINUUM-2222
URL: http://jira.codehaus.org/browse/CONTINUUM-2222
Project: Continuum
Issue Type: Bug
Components: Integration - Maven 2
Affects Versions: 1.2.3
Environment: Java 1.6.0_10, RedHat Enterprise Linux 5.3, Maven 2.1.0,
Perforce 2008.2
Reporter: Peter Janes
If Continuum fails to parse the project descriptor for some reason, the pom.xml
is deleted from the workspace. With SCMs like Perforce that keep track of the
files in a workspace, the pom.xml is not re-synced on subsequent checkouts,
which causes build errors until someone manually intervenes (either by making
an unnecessary change to the file or by forcing a sync of the workspace).
Here's a sample trace. It was caused when a dependency's version was
refactored to the dependencyManagement section of the parent. Continuum built
the lower-level project before the parent.
org.apache.maven.continuum.execution.ContinuumBuildExecutorException: Unable to
read the Maven project descriptor '/var/continuum/sources/484/pom.xml': Failed
to validate POM for project com.example:invalid-project at
/var/continuum/sources/484/pom.xml
'dependencies.dependency.version' is missing for com.example:other-project
at
org.apache.maven.continuum.execution.maven.m2.MavenTwoBuildExecutor.getMavenProject(MavenTwoBuildExecutor.java:334)
at
org.apache.maven.continuum.execution.maven.m2.MavenTwoBuildExecutor.shouldBuild(MavenTwoBuildExecutor.java:414)
at
org.apache.maven.continuum.buildcontroller.DefaultBuildController.shouldBuild(DefaultBuildController.java:557)
at
org.apache.maven.continuum.buildcontroller.DefaultBuildController.build(DefaultBuildController.java:151)
at
org.apache.maven.continuum.buildcontroller.BuildProjectTaskExecutor.executeTask(BuildProjectTaskExecutor.java:50)
at
org.codehaus.plexus.taskqueue.execution.ThreadedTaskQueueExecutor$ExecutorRunnable$1.run(ThreadedTaskQueueExecutor.java:116)
at
edu.emory.mathcs.backport.java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:442)
at
edu.emory.mathcs.backport.java.util.concurrent.FutureTask.run(FutureTask.java:178)
at
edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1061)
at
edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575)
at java.lang.Thread.run(Thread.java:619)
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