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https://issues.jenkins-ci.org/browse/JENKINS-12514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=160095#comment-160095
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Kohsuke Kawaguchi commented on JENKINS-12514:
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I just tried it and it works for me. The change in
ba71264b6b6d75e0c86699d02700dea56f388105 does the forced normalization of
"s/hpi/jpi/".
My current hypothesis is that this is only a problem on Windows, as I use
"java.io.File.renameTo()" to move a file, and I expect the Unix semantis of
overwrite when the destination already exists.
Verifying this on Windows now.
> .hpi versus .jpi causes inability to upgrade Subversion Plugin
> --------------------------------------------------------------
>
> Key: JENKINS-12514
> URL: https://issues.jenkins-ci.org/browse/JENKINS-12514
> Project: Jenkins
> Issue Type: Bug
> Components: update-center
> Environment: Ubuntu 11.10, OpenJDK 1.6.0_23, Tomcat 7.0.21, Jenkins
> 1.448 & 1.449
> Reporter: Charlie Huggard
> Assignee: Kohsuke Kawaguchi
> Priority: Minor
>
> Reproduction:
> $JENKINS_HOME/plugins: subversion (directory), subversion.hpi
> 1) Open http://<root>/pluginManager. Update Subversion plugin from 1.34 ->
> 1.37 using download now and install after restart button.
> $JENKINS_HOME/plugins: subversion (directory), subversion.bak (1.34),
> subversion.hpi.pinned, subversion.jpi (1.37)
> 2) Restart Tomcat/Jenkins
> $JENKINS_HOME/plugins: subversion (directory), subversion.bak (1.34),
> subversion.hpi (1.34) subversion.hpi.pinned, subversion.jpi (1.37)
> 3) PluginManager still reports old version
> Should note that the logs report:
> INFO: Ignoring /ci/jenkins-home/plugins/subversion.jpi because
> /ci/jenkins-home/plugins/subversion.hpi is already loaded
> Also the plugin is broken at this point with a NoClassDefFound on
> org/tmatesoft/svn/core/SVNException
> Clean State:
> 1) /etc/init.d/tomcat7 stop
> 2) cd $JENKINS_HOME/plugins
> 3) rm subversion*
> 4) /etc/init.d/tomcat7 start
> Workaround:
> 1) Restore clean state
> 2) Update plugin
> 3) Stop tomcat/jenkins
> 4) cd $JENKINS_HOME/plugins
> 5) mv subversion.jpi subversion.hpi
> 6) Start tomcat/jenkins
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