Hi

Can you identify which thread? It shouldnt be possible.
Le 5 août 2015 12:20, "Kasun Gajasinghe" <[email protected]> a écrit :

> Hi Jonathan,
>
> I will raise an issue, and is happy to send a pull request via GitHub. It's
> good to see that TomEE accepts pull requests like that.
>
> Thanks,
> Kasun
>
> On Wed, Aug 5, 2015 at 3:45 PM, Jonathan Gallimore <
> [email protected]
> > wrote:
>
> > Hi there
> >
> > Thanks for raising this. Can you create a JIRA for this here:
> > https://issues.apache.org/jira? If you want to have a go at the fix,
> just
> > let us know and submit either a patch attached to the JIRA issue or a
> pull
> > request through GitHub. If not, I'll happily pick this up and fix.
> >
> > We've had a few fixes on the 1.7.x branch now, so we could look at
> rolling
> > a new release pretty soon.
> >
> > Regards
> >
> > Jon
> >
> > On Wed, Aug 5, 2015 at 11:10 AM, Kasun Gajasinghe <[email protected]>
> > wrote:
> >
> > > Hi TomEE devs,
> > >
> > > We've been seeing the following exception [2] in an instance where we
> > have
> > > extended TomEE 1.7.2. We have debugged the issue, and it seems to have
> > > occurred since TomEE iterate over the System.getProperties() hashtable
> > [1].
> > > It's possible that other threads might be using the system properties
> > which
> > > could lead to ConcurrentModificationException.
> > >
> > > Best way fix thing would to create a clone of the system properties,
> and
> > > use that clone to iterate. There are issues reported for unsafe
> iterating
> > > of system properties in other projects as seen in [3].
> > >
> > > Can we get this fixed in TomEE 1.7.3? What do I need to do to get this
> > in?
> > >
> > > Thanks.
> > >
> > > [1]
> > >
> > >
> >
> https://github.com/apache/tomee/blob/tomee-1.7.x/container/openejb-loader/src/main/java/org/apache/openejb/loader/SystemInstance.java#L71
> > >
> > > [2]
> > > org.apache.openejb.loader.LoaderRuntimeException: Failed to create
> > default
> > > instance of SystemInstance
> > > at
> > org.apache.openejb.loader.SystemInstance.reset(SystemInstance.java:280)
> > > at
> > >
> >
> org.apache.openejb.loader.SystemInstance.<clinit>(SystemInstance.java:265)
> > > ... 9 more
> > > Caused by: java.util.ConcurrentModificationException
> > > at java.util.Hashtable$Enumerator.next(Hashtable.java:1167)
> > > at
> > org.apache.openejb.loader.SystemInstance.<init>(SystemInstance.java:71)
> > > at
> > org.apache.openejb.loader.SystemInstance.reset(SystemInstance.java:277)
> > > ... 10 more
> > >
> > > [3]
> > > https://bugs.eclipse.org/bugs/show_bug.cgi?id=469706
> > > https://liquibase.jira.com/browse/CORE-2104
> > >
> >
> >
> >
> > --
> > Jonathan Gallimore
> > http://twitter.com/jongallimore
> > http://www.tomitribe.com
> >
>
>
>
> --
> ~~~*******'''''''''''''*******~~~
> *Kasun Gajasinghe*
> Software Engineer; WSO2 Inc.; http://wso2.com,
> *linked-in: *http://lk.linkedin.com/in/gajasinghe
> *blog: **http://blog.kasunbg.org* <http://blog.kasunbg.org/>
>
>
> *twitter: **http://twitter.com/kasunbg* <http://twitter.com/kasunbg>
>

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