Disable session persistence in tomcat? It's not really ever needed. But I suspect that either there's a leak in some code leaving files open or you don't have enough I nodes for your file system...
Mark On Wednesday, December 14, 2011, helix84 <[email protected]> wrote: > Hello, > > my DSpace repository is 1.8.0 with XMLUI and Discovery enabled. > > I've been having a problem with it every few days - DSpace stops > responding and Tomcat has to be restarted. The following error is > logged many times: > > SEVERE: Exception unloading sessions to persistent storage > java.io.FileNotFoundException: > /var/lib/tomcat6/work/Catalina/localhost/_/SESSIONS.ser (Too many open > files) > at java.io.FileOutputStream.open(Native Method) > at java.io.FileOutputStream.<init>(FileOutputStream.java:209) > at java.io.FileOutputStream.<init>(FileOutputStream.java:99) > at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:495) > at org.apache.catalina.session.StandardManager$PrivilegedDoUnload.run(StandardManager.java:89) > at java.security.AccessController.doPrivileged(Native Method) > at org.apache.catalina.session.StandardManager.unload(StandardManager.java:458) > at org.apache.catalina.session.StandardManager.stop(StandardManager.java:673) > at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4774) > at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3385) > at org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:426) > at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1309) > at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601) > at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610) > at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610) > at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590) > at java.lang.Thread.run(Thread.java:636) > > > I tried to google for the error and found much about "Too many open > files" in Tomcat and even DSpace, but this particular error "Exception > unloading sessions to persistent storage" seems to be unique. > > cat /proc/sys/fs/file-max > 101728 > > Is there someone who can help me debug this issue? Thanks. > > Regards, > ~~helix84 > > ------------------------------------------------------------------------------ > Cloud Computing - Latest Buzzword or a Glimpse of the Future? > This paper surveys cloud computing today: What are the benefits? > Why are businesses embracing it? What are its payoffs and pitfalls? > http://www.accelacomm.com/jaw/sdnl/114/51425149/ > _______________________________________________ > DSpace-tech mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/dspace-tech >
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