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From "Alexander Ashitkin (JIRA)" <j...@codehaus.org>
Subject [jira] (MNG-5750) Sporadic failures in concurrent build
Date Thu, 08 Jan 2015 07:57:18 GMT

     [ https://jira.codehaus.org/browse/MNG-5750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexander Ashitkin updated MNG-5750:
------------------------------------

    Description: 
We have a large project of 300+ modules which regularly fails with different kind of errors
in different places. The issue is reliably reproduced with parallel build and is not happens
in single threaded. The optimal concurrency level for our project ~10 threads. At this level
~%20 of builds fail. To workaround the issue we reduced concurrency to 4 in development builds
and reverted production build to 1 thread.

Main point of failures:
# Surefire ClassNotFound. Reported and investigated in SUREFIRE-1132. Points to a problem
with MavenProject#getArtifacts - empty set unexpectedly returned.
# unexpected compilation failures because of incorrect classpath (lterally all dependencies
are not on the classpath), like: {code}
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[3,30] package ... does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[4,30] package ... does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[8,25] package ... does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[9,21] package org.joda.time does
not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[11,37] package com.google.common.base
does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[11,1] static import only from
classes and interfaces
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[12,37] package com.google.common.base
does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[12,1] static import only from
classes and interfaces
{code}
# unexpected NPE in archiver plugins, eg jar, assembly. Reported with stack traces in MJAR-192

At this point the issue looks like problem with MavenProject#getArtifacts in concurrent builds.

To help with the issue im happy to implement or evaluate any custom assembly to trace this
down. Unfortunately i cannot submit my project - it is proprietary.

Thanks in advance, Alexander

  was:
We have a large project of 300+ modules which regularly fails with different kind of classloading
issues in different places. The issue is reliably reproduced only with parallel build and
is not happens in single threaded. The optimal concurrency level for our project ~10 threads.
At this level ~%20 of builds fail. To workaround the issue we reduced concurrency to 4 in
development builds and reverted production build to 1 thread.

Main point of failures:
# Surefire ClassNotFound. Reported and investigated in SUREFIRE-1132. Points to a problem
with MavenProject#getArtifacts - empty set unexpectedly returned.
# unexpected compilation failures because of incorrect classpath (lterally all dependencies
are not on the classpath), like: {code}
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[3,30] package ... does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[4,30] package ... does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[8,25] package ... does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[9,21] package org.joda.time does
not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[11,37] package com.google.common.base
does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[11,1] static import only from
classes and interfaces
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[12,37] package com.google.common.base
does not exist
20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[12,1] static import only from
classes and interfaces
{code}
# unexpected NPE in archiver plugins, eg jar, assembly. Reported with stack traces in MJAR-192

At this point the issue looks like problem with MavenProject#getArtifacts in concurrent builds.

To help with the issue im happy to implement or evaluate any custom assembly to trace this
down. Unfortunately i cannot submit my project - it is proprietary.

Thanks in advance, Alexander


> Sporadic failures in concurrent build
> -------------------------------------
>
>                 Key: MNG-5750
>                 URL: https://jira.codehaus.org/browse/MNG-5750
>             Project: Maven
>          Issue Type: Bug
>          Components: General
>    Affects Versions: 3.1.1, 3.2.1, 3.2.2, 3.2.5
>         Environment: SLES 3.0.80-0.7-default SMP x86_64 GNU/Linux Oracle HotSpot JDK
7u25
> windows server 2008 x64 Oracle HotSpot JDK 7u65/8u25
>            Reporter: Alexander Ashitkin
>            Priority: Critical
>
> We have a large project of 300+ modules which regularly fails with different kind of
errors in different places. The issue is reliably reproduced with parallel build and is not
happens in single threaded. The optimal concurrency level for our project ~10 threads. At
this level ~%20 of builds fail. To workaround the issue we reduced concurrency to 4 in development
builds and reverted production build to 1 thread.
> Main point of failures:
> # Surefire ClassNotFound. Reported and investigated in SUREFIRE-1132. Points to a problem
with MavenProject#getArtifacts - empty set unexpectedly returned.
> # unexpected compilation failures because of incorrect classpath (lterally all dependencies
are not on the classpath), like: {code}
> 20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[3,30] package ... does not
exist
> 20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[4,30] package ... does not
exist
> 20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[8,25] package ... does not
exist
> 20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[9,21] package org.joda.time
does not exist
> 20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[11,37] package com.google.common.base
does not exist
> 20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[11,1] static import only
from classes and interfaces
> 20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[12,37] package com.google.common.base
does not exist
> 20:20:54 [ERROR] /D:/jenkins/work/workspace/..Request.java:[12,1] static import only
from classes and interfaces
> {code}
> # unexpected NPE in archiver plugins, eg jar, assembly. Reported with stack traces in
MJAR-192
> At this point the issue looks like problem with MavenProject#getArtifacts in concurrent
builds.
> To help with the issue im happy to implement or evaluate any custom assembly to trace
this down. Unfortunately i cannot submit my project - it is proprietary.
> Thanks in advance, Alexander



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