[
http://jira.codehaus.org/browse/CONTINUUM-1575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Olivier Lamy closed CONTINUUM-1575.
-----------------------------------
Resolution: Fixed
Yes fixed with rev 664117.
The log says now :
{code}
2008-06-12 01:08:30,953 [addMavenTwoProjectBackgroundThread] ERROR
mavenBuilderHelper -
Missing 'scm' element in the test-project POM.
{code}
Which is more human readable :-)
> Confusing behavior when continuum can't construct MavenProject from pom
> -----------------------------------------------------------------------
>
> Key: CONTINUUM-1575
> URL: http://jira.codehaus.org/browse/CONTINUUM-1575
> Project: Continuum
> Issue Type: Bug
> Components: Core system
> Affects Versions: 1.1-beta-4
> Environment: not environment-specific
> Reporter: Adrian Sox
> Assignee: Olivier Lamy
> Fix For: 1.2
>
>
> If a POM that fails validation is checked in, continuum's behavior makes it
> difficult to determine the actual cause.
> In this case, Continuum produces two build results from a single build.
> The first build result is an error result, with output like
> org.codehaus.plexus.taskqueue.execution.TaskExecutionException: Error
> executing action 'update-project-from-working-directory'
> at
> org.apache.maven.continuum.buildcontroller.DefaultBuildController.performAction(DefaultBuildController.java:434)
> at
> org.apache.maven.continuum.buildcontroller.DefaultBuildController.build(DefaultBuildController.java:139)
> 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:176)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:987)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:528)
> at java.lang.Thread.run(Unknown Source)
> Caused by:
> org.apache.maven.continuum.execution.ContinuumBuildExecutorException: Error
> while mapping metadata:add.project.validation.error
> add.project.project.building.error
> add.project.unknown.error
> at
> org.apache.maven.continuum.execution.maven.m2.MavenTwoBuildExecutor.updateProjectFromCheckOut(MavenTwoBuildExecutor.java:157)
> at
> org.apache.maven.continuum.core.action.UpdateProjectFromWorkingDirectoryContinuumAction.execute(UpdateProjectFromWorkingDirectoryContinuumAction.java:75)
> at
> org.apache.maven.continuum.buildcontroller.DefaultBuildController.performAction(DefaultBuildController.java:408)
> ... 8 more
> This is not exactly descriptive, although it does suggest a validation error.
> This initial build result is the latest build result for an extremely short
> window (~2 seconds); it is quickly supplanted by a second result (Warning):
> [INFO] Scanning for projects...
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Building Maven Default Project
> [INFO] task-segment: [clean, deploy]
> [INFO]
> ----------------------------------------------------------------------------
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] BUILD ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Cannot execute mojo: clean. It requires a project with an existing
> pom.xml, but the build is not using one.
> [INFO]
> ------------------------------------------------------------------------
> [INFO] For more information, run Maven with the -e switch
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: < 1 second
> [INFO] Finished at: Wed Nov 21 14:17:02 CST 2007
> [INFO] Final Memory: 1M/2M
> [INFO]
> ------------------------------------------------------------------------
> This error is extremely confusing. The apparent cause of the error (no pom)
> is confirmed if we look at the build directory, but it isn't clear why that
> pom is gone. (It turns out that in the error handling of
> DefaultMavenBuilderHelper.getMavenProject, Continuum deletes the POM file.)
> So, to summarize:
> 1. Continuum produces two conflicting build results for a single build.
> 2. Continuum deletes the pom if it can't construct a MavenProject from the
> pom.
> 3. The first error message is very difficult to interpret. The second is
> perfectly clear, but completely irrelevant.
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