Hi all, I am working with Cayenne and I ´ve get the following Exception:
Caused by: java.lang.NullPointerException at org.apache.commons.collections.map.LRUMap.reuseMapping(LRUMap.java:272) at org.apache.commons.collections.map.LRUMap.addMapping(LRUMap.java:243) at org.apache.commons.collections.map.AbstractHashedMap.put(AbstractHashedMap.java:282) at org.objectstyle.cayenne.access.DataRowStore.processUpdatedSnapshots(DataRowStore.java:621) at org.objectstyle.cayenne.access.DataRowStore.processSnapshotChanges(DataRowStore.java:575) at org.objectstyle.cayenne.access.DataRowStore.snapshotsUpdatedForObjects(DataRowStore.java:314) at org.objectstyle.cayenne.access.ObjectResolver.objectsFromDataRows(ObjectResolver.java:159) at org.objectstyle.cayenne.access.ObjectResolver.synchronizedObjectsFromDataRows(ObjectResolver.java:134) at org.objectstyle.cayenne.access.DataDomainQueryAction.interceptObjectConversion(DataDomainQueryAction.java:375) at org.objectstyle.cayenne.access.DataDomainQueryAction.execute(DataDomainQueryAction.java:151) at org.objectstyle.cayenne.access.DataDomain.onQuery(DataDomain.java:765) at org.objectstyle.cayenne.util.ObjectContextQueryAction.runQuery(ObjectContextQueryAction.java:253) at org.objectstyle.cayenne.access.DataContextQueryAction.execute(DataContextQueryAction.java:90) at org.objectstyle.cayenne.access.DataContext.onQuery(DataContext.java:1422) at org.objectstyle.cayenne.access.DataContext.performQuery(DataContext.java:1411) at org.objectstyle.cayenne.access.DataContextFaults$ToOneFault.doResolveFault(DataContextFaults.java:144) at org.objectstyle.cayenne.access.DataContextFaults$ToOneFault.resolveFault(DataContextFaults.java:117) at org.objectstyle.cayenne.CayenneDataObject.readProperty(CayenneDataObject.java:245) at com.conergy.sunreader.sr2.back.auto._TblAccount.getTblPerson(Unknown Source) at com.conergy.sunreader.sr2.back.dao.UserDAO.setAccountPersonData(Unknown Source) at com.conergy.sunreader.sr2.back.dao.UserDAO.getUser(Unknown Source) at com.conergy.sunreader.sr2.back.dao.UserDAO.login(Unknown Source) at com.conergy.sunreader.sr2.back.proxy.CayenneProxy.login(Unknown Source) at com.conergy.sunreader.sr2.back.BusinessFacade.login(Unknown Source) at com.conergy.sunreader.sr2.struts.actions.Sr2BaseAction.loginUser(Unknown Source) ... 31 more We have posted this exception in cayenne newsgroup before and we found out, that the caller of LRUMap is responsible for the thread safety. We´ve changed some methods calls in caeynne temporarily, but we still get this exception. Could anyone help us and tell, waht was going wrong here? We using commons-collection v.3.1 This behauvior occurs when the machine is under heavy load and a lot threads access are created. Thanks in advance, Thilko -- "Feel free" – 10 GB Mailbox, 100 FreeSMS/Monat ... Jetzt GMX TopMail testen: http://www.gmx.net/de/go/topmail --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]