Tomcat shutdown

> Hi, We were experiencing an issue with Tomcat shutdown where it would hang
> and require to be killed when the Orbeon web application was added.
>
> I ran jstack on a failed tomcat shutdown process and identified two non
> daemon threads:
>
> "xforms.resources.data" prio=10 tid=0x00007fc87c290000 nid=0x32d8 waiting on
> condition [0x00007fc80ebed000]
> "xforms.state.data" daemon prio=10 tid=0x00007fc87c27f000 nid=0x32d7 waiting
> on condition [0x00007fc80ecee000]
>
> It turned out these threads were ehcache threads. Ehcache requires listeners
> to receive web application shutdown requests see
> http://ehcache.org/documentation/operations/shutdown
>
> so I added to Orbeon web.xml:
>
> <listener>
> <listener-class>net.sf.ehcache.constructs.web.ShutdownListener</listener-class>
> </listener>
>
> This seems to fix the shutdown issue so I thought I'd share.
>
> Regards,
> Ben
>
>
>
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