[jboss-jira] [JBoss JIRA] (JBAOP-794) JBoss AOP deadlocks on JBoss AS with pluggable instrumentor

[Flavia Rainone (JIRA)]

     [ https://issues.jboss.org/browse/JBAOP-794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flavia Rainone reassigned JBAOP-794:
------------------------------------

    Assignee:     (was: Flavia Rainone)


> JBoss AOP deadlocks on JBoss AS with pluggable instrumentor
> -----------------------------------------------------------
>
>                 Key: JBAOP-794
>                 URL: https://issues.jboss.org/browse/JBAOP-794
>             Project: JBoss AOP
>          Issue Type: Bug
>    Affects Versions: 1.5.5 CP04, 1.5.6.GA, 2.2.1.Alpha2
>            Reporter: Flavia Rainone
>             Fix For: 1.5.7.GA, 2.1.6.CP04
>
>         Attachments: deadlock.txt
>
>
> JBoss AOP deadlocks in loadtime weaving mode on JBoss AS.
> This is the scenario:
> -one thread loading a class starts loadtime weaving. In the process, the classloader performing the loading is locked. The thread ends up needing a concurrency lock held by the other thread.
> - another thread loading a class also starts loadtime weaving. In the process, this threads locks one of the concurrency locks and ends up needing to load a class (JBoss AOP or Javassist class). For loading this class, however, this thread needs the class loader lock held by the first thread.



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