you can count all open file handles via lsof | wc -l François
> Le 18 avr. 2018 à 17:42, Francois Meillet <francois.meil...@gmail.com> a > écrit : > > Hi Claudia, > > you need to update the limits in the linux kernel > have a look at > https://serverfault.com/questions/20387/too-many-open-files-on-debian?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa > > <https://serverfault.com/questions/20387/too-many-open-files-on-debian?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa> > > François > > > >> Le 18 avr. 2018 à 17:24, Claudia Hirt <hirt-clau...@gmx.de >> <mailto:hirt-clau...@gmx.de>> a écrit : >> >> Hi all, >> >> I get the following error when there are a lot of sessions on the system: >> >> [4/18/18 11:49:59:291 CEST] 00000080 SystemOut O myapp 18/04/2018 >> 11:49:59,282 ERROR (DiskDataStore.java:434) >> -/QIBM/UserData/WebSphere/AppServer/V85/Express/profiles/node01/temp/node01/node01/myapp/myapp.war/wicket.wicket-filestore/39/7429/6wE5N0QWVikdMSdO-oSbWCb/data >> (Too many open files) >> java.io.FileNotFoundException: >> /QIBM/UserData/WebSphere/AppServer/V85/Express/profiles/node01/temp/node01/node01/myapp/myapp.war/wicket.wicket-filestore/39/7429/6wE5N0QWVikdMSdO-oSbWCb/data >> (Too many open files) >> at java.io.RandomAccessFile.open(Native Method) >> at java.io.RandomAccessFile.<init>(RandomAccessFile.java:253) >> at >> org.apache.wicket.pageStore.DiskDataStore$SessionEntry.getFileChannel(DiskDataStore.java:428) >> at >> org.apache.wicket.pageStore.DiskDataStore$SessionEntry.savePage(DiskDataStore.java:346) >> at >> org.apache.wicket.pageStore.DiskDataStore.storeData(DiskDataStore.java:185) >> at >> org.apache.wicket.pageStore.AsynchronousDataStore$PageSavingRunnable.run(AsynchronousDataStore.java:355) >> at java.lang.Thread.run(Thread.java:798) >> >> This leads to a total breakdown of file system in my case. >> I saw this already was an issue here: >> http://apache-wicket.1842946.n4.nabble.com/DiskDataStore-errors-in-production-td4665842.html >> >> <http://apache-wicket.1842946.n4.nabble.com/DiskDataStore-errors-in-production-td4665842.html> >> but there was no solution. >> >> Are there some settings in PageStore or anything to avoid this problem? >> >> Best regards, >> Claudia Hirt >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org >> <mailto:users-unsubscr...@wicket.apache.org> >> For additional commands, e-mail: users-h...@wicket.apache.org >> <mailto:users-h...@wicket.apache.org> >> >