[jbosstools-issues] [JBoss JIRA] (JBIDE-21857) Hot class reload doesn't work on OpenShift

[Thomas Mäder (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-21857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13183836#comment-13183836 ] 

Thomas Mäder commented on JBIDE-21857:
--------------------------------------

Ok, this is really stupid: forcing a garbage collect makes the problem going away. In the heap dump, when not forcing GC, multiple class objects for the "ToReload" class show up. They are shown as beloning to the system class loader (I guess because the class loader used for loading them has been collected).  When I force the garbage collect, they go away.
I really don't think the VM should report unreachable classes via JDWP.

> Hot class reload doesn't work on OpenShift
> ------------------------------------------
>
>                 Key: JBIDE-21857
>                 URL: https://issues.jboss.org/browse/JBIDE-21857
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: openshift
>    Affects Versions: 4.3.1.Beta2
>            Reporter: Fred Bricon
>            Assignee: Max Rydahl Andersen
>            Priority: Blocker
>             Fix For: 4.3.1.CR1
>
>         Attachments: HCRFailure.zip
>
>
> When enabling debug mode on an EAP server deployed on OpenShift, locally changing a class file will :
> - work sometimes when only the content of the method changed, but could fail in some other occasions with the Debugger saying the JDK is out of sync
> - will always fail if a method signature changed, the debugger saying JDK is out of sync
> Restarting the deployed module (with the .dodeploy flag) doesn't fixes the issue (as opposed to the same tweak ahen running on a local EAP server)
> This may be caused by running OpenJDK? Does it support the same level of debugging as Oracle JDK?



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