Hi Martin! On Tue, Jan 23, 2018 at 4:06 PM, Martin Grigorov <mgrigo...@apache.org> wrote:
> Hi Sebastien, > > What exactly is the issue you experience ? > I don't know the cause but tomcat is crashing every 3 or 4 days (out of memory) when running the wicket8.x version of the demo webapp. When running the wicket7.x it works fine, and always used to. > > The Log4J problem is that it doesn't release all classes/class loaders at > undeploy. > But if you run the application for N weeks without undeploy+deploy then it > should not lead to any problems. Restarting the whole web server is also > fine. > That was the part I didn't catch, thanks for the clarification! So, it is not related to my current issue here... > > So, what exactly happens with Wicket 8.x after few weeks ? > The application fails with OutOfMemoryError ? If this is the case then the > way to debug it is to take heap dumps and analyze what's eating the memory. > Start the application and take a heap dump. Then wait for N days and take > another one. If you start the server with -XX:+HeapDumpOnOutOfMemoryError > then it will dump it automatically when the OOM occurs. > Ok I will do this asap : redeploy a wicket8.x version, restart with -XX:+HeapDumpOnOutOfMemoryError and make an initial heap dump Thanks again ! Sebastien. Once you have the dumps you can compare them with VisualVM or analyze > deeply with Eclipse MAT. if you upload the dumps somewhere I can analyze > them for you ;-) > > Martin > > On Tue, Jan 23, 2018 at 11:30 AM, Sebastien <seb...@gmail.com> wrote: > > > Just to let you know, I've deployed the wicket7.x version of the Wicket > > jQuery UI demo webapp on my tomcat server about 2 weeks ago... Everything > > is working fine, no leak at all so far! > > So I think it's safe to say the leak is coming from wicket 8.x. I saw the > > comments about the log4j issue and the PageStore issue (but this one was > > reported for wildfly IIRC). > > Was the log4j issue affecting the wicket8.x branch only? Is there > anything > > I can test these days on my wicket8.x version? > > > > Thanks in advance :) > > Sebastien. > > >