[jbosstools-issues] [JBoss JIRA] Commented: (JBIDE-4534) Execution JUnit tests for VPE sometimes sleeps for long time

[Denis Golovin (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBIDE-4534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12474023#action_12474023 ] 

Denis Golovin commented on JBIDE-4534:
--------------------------------------

the problem is that model starts revalidation for taglibs from none-ui thread, at the same time visual editor blocks ui thread and trying to call the same invalidation. result is revalidation in syncExec waits for UI thread availability and ui thread waits for TaglibMapping to be unlocked.

> Execution JUnit tests for VPE sometimes sleeps for long time
> ------------------------------------------------------------
>
>                 Key: JBIDE-4534
>                 URL: https://jira.jboss.org/jira/browse/JBIDE-4534
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: Visual Page Editor core
>            Reporter: Maxim Areshkau
>            Assignee: Maxim Areshkau
>            Priority: Critical
>             Fix For: 3.1.0.M3
>
>         Attachments: MainThread.txt, ThradWhichBlocksMaiinThread.txt
>
>
> Execution of junit tests sometimes sleeps. Hard to reproduce.
> In VpeController see line 266, place of main thread sleep. 			
> if (xm != null) {
> 				WebProject.getInstance(xm).getTaglibMapping().revalidate(
> 						WebAppHelper.getWebApp(xm));
> 			}
> Method 'revalidate' is synchronized and blocked by other thread.
> See threads stacks in attachment.

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