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Date: Thu, 29 Dec 2011 07:30:30 +0000 (UTC)
From: "Maarten Coene (Resolved) (JIRA)" <jira@apache.org>
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Subject: [jira] [Resolved] (IVY-1325) ivy:report ant task intermittently
 "cannot compile stylesheet"
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     [ https://issues.apache.org/jira/browse/IVY-1325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maarten Coene resolved IVY-1325.
--------------------------------

       Resolution: Fixed
    Fix Version/s: trunk
         Assignee: Maarten Coene
    
> ivy:report ant task intermittently "cannot compile stylesheet"
> --------------------------------------------------------------
>
>                 Key: IVY-1325
>                 URL: https://issues.apache.org/jira/browse/IVY-1325
>             Project: Ivy
>          Issue Type: Bug
>    Affects Versions: 2.2.0
>         Environment: ivy-2.2.jar, Sun jdk 1.5 and 1.6 for compiling, Jenkins 1.436 as CI server, ant 1.8.2, Linux, Jenkins ivy plugin 1.20
>            Reporter: David Goblirsch
>            Assignee: Maarten Coene
>             Fix For: trunk
>
>
> Setup:
> o  Using ivy-2.2.jar.
> o  Compiling with Sun jdk versions 1.5 or 1.6 (project dependent) on a Linux box.
> o  Running ant 1.8.2 via a wrapper script inside Jenkins 1.436 with 5 or so
>    executors. That is, each build invokes a simple custom wrapper-script around
>    Ant that puts some custom tasks and ivy-2.2 on the build classpath.
> o  Jenkins Ivy plugin version is version 1.20 which uses ivy 2.2.0 internally.
> Problem:
> We hit this error perhaps 8 % of the builds when there are several
> parallel builds happening:
>    javax.xml.transform.TransformerConfigurationException: Could not compile stylesheet
>    at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:828)
>    at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTransformer(TransformerFactoryImpl.java:617)
>    at org.apache.ivy.ant.IvyReport.genStyled(IvyReport.java:322)
>    at org.apache.ivy.ant.IvyReport.genreport(IvyReport.java:248)
>    at org.apache.ivy.ant.IvyReport.doExecute(IvyReport.java:211)
>    at org.apache.ivy.ant.IvyTask.execute(IvyTask.java:277)
>         :
>         :
> The build always runs fine for a single job when invoked from the
> command line, and 99.9% of the time runs fine when the Jenkins job is
> requeued. But when it happens during parallel builds, the error
> message is always the same and always in exactly the same spot in
> IvyReport.java.
> The relevant ant task is this (we are behind a firewall so retrieves
> never go out to the internet, all resolvers are FileSystem resolvers,
> which explains some of the attribute values):
>   <macrodef name="resolve-dependencies">
>     <attribute name="ivyconfig"/>
>     <sequential>
>       <ivy:resolve
>           conf="@{ivyconfig}"
>           log="${option.ivy.log}"
>           resolveMode="dynamic"
>           showprogress="false"
>           checkIfChanged="false"
>           />
>       <ivy:retrieve
>           conf="@{ivyconfig}"
>           log="${option.ivy.log}"
>           pattern="${ivy.lib.dir}/@{ivyconfig}/[artifact](-[revision]).[ext]"
>           symlink="true"
>           sync="true"
>           />
>       <ivy:report                        <---------------- INTERMITTENT FAILURE DURING THIS TASK
>           conf="@{ivyconfig}"
>           dot="${option.ivyreport.dot}"               <--- false on Jenkins, settable for indiv developer
>           graph="${option.ivyreport.graphml}"         <--- false on Jenkins, settable for indiv developer
>           outputpattern="dependencies-[conf].[ext]"
>           todir="${dir.build}/report"
>           />
>     </sequential>
>   </macrodef>
> As you can see from the code, we are not using our own stylesheet, but
> the one in the ivy distribution.
> The code in IvyReport.java looks ok to me but I am not a TRaX user and
> certainly no expert on it so it is not clear to me why occasionally we
> get this "cannot compile stylesheet" error. And we only get it when
> many builds are happening in parallel, never for one-build-at-a-time,
> which makes me wonder if there is some issue with grabbing resources
> from inside a jar, something I do not do myself.

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