See more info here: https://groups.google.com/forum/#!topic/dspace-tech/X9gA_k2bWFA
On Monday, June 22, 2020 at 11:25:13 AM UTC-4, Braxton Van Gundy wrote: > > > We fixed the issue, it turns out the errors we were seeing were a result > of a cyclic group reference. I tried to find the group programatically, > but had issues getting the changes to take in the code. In the end, I just > went through each group one by one and looked for circular group > membership. It took forever, but eventually I found the offending group > and removed it in the database. The table you need to modify is the > "group2group" table. We deleted the offending entry from this table in the > psql database and all of our group related internal server errors went > away. > > On Thursday, June 18, 2020 at 11:24:50 AM UTC-4, Braxton Van Gundy wrote: >> >> Hello, >> >> When we try to create a new group by clicking the "Create New Group" >> button, DSpace displays an internal server error and we get a >> java.lang.StackOverflowError in the logs from what looks like an infinite >> loop. Any suggestions on how to prevent this? Error message below. >> >> >> 2020-06-18 11:03:40,871 WARN >> org.dspace.app.webui.servlet.InternalErrorServlet @ >> :session_id=0FB44EED5587C201CD14C6EE0423B3A3:internal_error:-- URL Was: >> https://my-website/tools/group-edit >> -- Method: POST >> -- Parameters were: >> -- submit_add: "Create New Group" >> >> javax.servlet.ServletException: Servlet execution threw an exception >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:326) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) >> at >> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) >> at >> org.dspace.app.webui.filter.RegisteredOnlyFilter.doFilter(RegisteredOnlyFilter.java:66) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) >> at >> org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218) >> at >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110) >> at >> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) >> at >> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445) >> at >> org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190) >> at >> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637) >> at >> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) >> at >> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) >> at java.lang.Thread.run(Thread.java:748) >> Caused by: java.lang.StackOverflowError >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:679) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> at >> org.dspace.eperson.GroupServiceImpl.getChildren(GroupServiceImpl.java:694) >> >> ---------- There are hundreds of these same lines >> ------------------------------------------- >> >> 2020-06-18 11:03:40,881 WARN org.dspace.app.webui.util.UIUtil @ Unable >> to send email alert >> org.hibernate.LazyInitializationException: failed to lazily initialize a >> collection of role: org.dspace.content.DSpaceObject.metadata, could not >> initialize proxy - no Session >> at >> org.hibernate.collection.internal.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:569) >> at >> org.hibernate.collection.internal.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:188) >> at >> org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:548) >> at >> org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:126) >> at >> org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:548) >> at >> org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:126) >> at >> org.hibernate.collection.internal.PersistentBag.iterator(PersistentBag.java:266) >> at >> org.dspace.content.DSpaceObjectServiceImpl.getMetadata(DSpaceObjectServiceImpl.java:129) >> at >> org.dspace.content.DSpaceObjectServiceImpl.getMetadataFirstValue(DSpaceObjectServiceImpl.java:380) >> at org.dspace.eperson.EPerson.getFirstName(EPerson.java:253) >> at org.dspace.eperson.EPerson.getFullName(EPerson.java:229) >> at org.dspace.app.webui.util.UIUtil.sendAlert(UIUtil.java:531) >> at >> org.dspace.app.webui.servlet.InternalErrorServlet.doGet(InternalErrorServlet.java:54) >> at >> org.dspace.app.webui.servlet.InternalErrorServlet.doPost(InternalErrorServlet.java:62) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:650) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:731) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) >> at >> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:743) >> at >> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487) >> at >> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:410) >> at >> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:337) >> at >> org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:479) >> at >> org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:417) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:204) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) >> at >> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445) >> at >> org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190) >> at >> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637) >> at >> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) >> at >> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) >> at java.lang.Thread.run(Thread.java:748) >> >> -- All messages to this mailing list should adhere to the DuraSpace Code of Conduct: https://duraspace.org/about/policies/code-of-conduct/ --- You received this message because you are subscribed to the Google Groups "DSpace Technical Support" group. 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