[jira] Commented: (MPJCOVERAGE-28) Instrumentation fails on windows due to command line arg length.

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[jira] Commented: (MPJCOVERAGE-28) Instrumentation fails on windows due to command line arg length.

JIRA jira@codehaus.org
     [ http://jira.codehaus.org/browse/MPJCOVERAGE-28?page=comments#action_38663 ]
Manfred Moser commented on MPJCOVERAGE-28:

Cobertura solves this issue. There is a separate is for its support

> Instrumentation fails on windows due to command line arg length.
> ----------------------------------------------------------------
>          Key: MPJCOVERAGE-28
>          URL: http://jira.codehaus.org/browse/MPJCOVERAGE-28
>      Project: maven-jcoverage-plugin
>         Type: Bug
>     Versions: 1.0.9
>  Environment: Windows XP Professional Version 2002, SP 2, Java 1.4.1, Maven 1.02, Pentium IV 2.26 GHZ, 1 GB Ram
>     Reporter: Achim Westermann
>     Assignee: Emmanuel Venisse

> Original Estimate: 4 hours
>         Remaining: 4 hours
> When starting with a clean project jcoverage fails when compiling the test classes to it's maven.jcoverage.dir with tons of "cannot resolve symbol" errors.
> The underlying error has already happend before. Instrumentation failed:
>     [instrument] [ERROR] java.io.IOException: CreateProcess: C:\j2sdk1.4.1\jre\bin\java.exe -classpath "C:\Dokumente und Einstellungen\westermann\.maven\repository\jcoverage\jars\jcoverage-1.0.5.jar;C:\Dokumente und Einstellungen\westermann\.maven\repository\bcel\jars\bcel-5.1.jar;C:\Dokumente und Einstellungen\westermann\.maven\repository\urbanophile\jars\java-getopt-1.0.9.jar;C:\Dokumente und Einstellungen\westermann\.maven\repository\log4j\jars\log4j-1.2.8.jar;C:\Dokumente und Einstellungen\westermann\.maven\repository\oro\jars\oro-2.0.7.jar;C:\Dokumente und Einstellungen\westermann\.maven\repository\junit\jars\junit-3.8.1.jar;C:\Dokumente und Einstellungen\westermann\.maven\repository\xerces\jars\xercesImpl-2.6.2.jar;C:\Dokumente und Einstellungen\westermann\.maven\repository\xerces\jars\xmlParserAPIs-2.2.1.jar" com.jcoverage.coverage.Instrument -d C:\build\jcoverage\classes -basedir C:\build\classes org\opencms\workplace\CmsWorkplace.class org\opencms\main\CmsRuntimeException.class org\opencms\file\TestSiblings$1.class com\opencms\workplace\CmsRepla?
> This leads to the fact that the classes required by the test sources which should be the instrumented ones are not in maven.jcoverage.dir thus missing from jcoverage classpath.
> Occurrance:
> Only on Windows, not on RH Linux 7.3.
> Assumption:
> On Windows the maximum command line length is exceeded. I have experienced similar behaviour in build-systems with makefile before. Look at the trainling '?' -> The argument seems to have been truncated. The error hits back to the current process at the process creation for the instrumentation task.
> Suggestion:
> A) Perhaps use files for the arguments and a new -file argument to the com.jcoverage.coverage.Instrument
>    class. Or lay open the underlying fork argument of the ANT javac task: Without forking this would not
>    happen. The fallback could be possible memory problems.
> B) Fail the goal immediately when instrumentation fails. Errors that result are hard to find.
> Thanks for jcoverage,
> Achim

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