Also once I move back to a single thread all of these exceptions go away and everything is happy and saves consistently no problems. Based on the activity we are doing we are we really shouldnt get concurrent modification of the same record because there is only one user.
Regards Wendy On Friday, 19 December 2014 14:51:30 UTC, Wendy Cameron wrote: > > I also get the following exception under these circumstances: > > 2014-12-19 14:48:59.539 ERROR 2968 --- [nio-9000-exec-5] > o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet > [dispatcherServlet] in context with path [] threw exception [Request > processing failed; nested exception is > com.orientechnologies.orient.core.exception.OTransactionException: > Transaction was committed more times than it is started.] with root cause > > > com.orientechnologies.orient.core.exception.OTransactionException: > Transaction was committed more times than it is started. > at > com.orientechnologies.orient.core.tx.OTransactionOptimistic.commit(OTransactionOptimistic.java:146) > at > com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.commit(ODatabaseDocumentTx.java:2261) > at > com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.commit(ODatabaseDocumentTx.java:2231) > at > com.orientechnologies.orient.server.network.protocol.binary.ONetworkProtocolBinary.commit(ONetworkProtocolBinary.java:1009) > at > com.orientechnologies.orient.server.network.protocol.binary.ONetworkProtocolBinary.executeRequest(ONetworkProtocolBinary.java:342) > at > com.orientechnologies.orient.server.network.protocol.binary.OBinaryNetworkProtocolAbstract.execute(OBinaryNetworkProtocolAbstract.java:201) > at com.orientechnologies.common.thread.OSoftThread.run(OSoftThread.java:65) > Which kind of demonstrates we are still having transactional stuff working. > > Regards Wendy > > On Friday, 19 December 2014 12:59:50 UTC, Lvc@ wrote: >> >> Hi Wendy, >> OrientDB uses an optimistic approach (no lock on the server side), so you >> should manage the situation another client/thread modified the same record >> and just retry it again. Take a look at the documentation: >> >> >> http://www.orientechnologies.com/docs/last/orientdb.wiki/Troubleshooting-Java.html#oconcurrentmodificationexception-cannot-update-record-xy-in-storage-z-because-the-version-is-not-the-latest-probably-you-are-updating-an-old-record-or-it-has-been-modified-by-another-user-dbva-yourvb >> >> Lvc@ >> >> >> On 19 December 2014 at 13:21, Wendy Cameron <[email protected]> wrote: >>> >>> Hi All >>> >>> We are experiencing a continuos problem with the following exceptions: >>> >>> 2014-12-16 12:39:07.612 ERROR 4563 --- [nio-9000-exec-8] >>> o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet >>> [dispatcherServlet] in context with path [] threw exception [Request >>> processing failed; nested exception is >>> com.orientechnologies.orient.core.exception.OConcurrentModificationException: >>> >>> Cannot UPDATE the record #19:977 because the version is not the latest. >>> Probably you are updating an old record or it has been modified by another >>> user (db=v0 your=v11)] with root cause >>> >>> com.orientechnologies.orient.core.exception.OConcurrentModificationException: >>> >>> Cannot UPDATE the record #19:977 because the version is not the latest. >>> Probably you are updating an old record or it has been modified by another >>> user (db=v0 your=v11) >>> at >>> com.orientechnologies.orient.core.conflict.OVersionRecordConflictStrategy.checkVersions(OVersionRecordConflictStrategy.java:54) >>> at >>> com.orientechnologies.orient.core.conflict.OVersionRecordConflictStrategy.onUpdate(OVersionRecordConflictStrategy.java:41) >>> at >>> com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage.checkAndIncrementVersion(OAbstractPaginatedStorage.java:1777) >>> at >>> com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage.doUpdateRecord(OAbstractPaginatedStorage.java:1417) >>> at >>> com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage.commitEntry(OAbstractPaginatedStorage.java:1856 >>> at >>> com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage.commit(OAbstractPaginatedStorage.java:860) >>> at >>> com.orientechnologies.orient.core.tx.OTransactionOptimistic.doCommit(OTransactionOptimistic.java:455) >>> at >>> com.orientechnologies.orient.core.tx.OTransactionOptimistic.commit(OTransactionOptimistic.java:142) >>> at >>> com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.commit(ODatabaseDocumentTx.java:2261) >>> at >>> com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.commit(ODatabaseDocumentTx.java:2231) >>> at >>> com.orientechnologies.orient.server.network.protocol.binary.ONetworkProtocolBinary.commit(ONetworkProtocolBinary.java:1009) >>> at >>> com.orientechnologies.orient.server.network.protocol.binary.ONetworkProtocolBinary.executeRequest(ONetworkProtocolBinary.java:342) >>> at >>> com.orientechnologies.orient.server.network.protocol.binary.OBinaryNetworkProtocolAbstract.execute(OBinaryNetworkProtocolAbstract.java:201) >>> at >>> com.orientechnologies.common.thread.OSoftThread.run(OSoftThread.java:65) >>> We are using OrientDB 2.0 - M3 we are also doing all our persisting >>> through spring-orient-data and we see this message frequently but not >>> deterministically. I.E we dont get it every time we save. >>> We have reduced the web server down to a single thread using >>> >>> server.tomcat.max-threads: 1 >>> >>> We are also certain from test cases this does not occur in a single >>> threaded environment and the above fix does seem to eleviate the problem. >>> >>> Does anyone know what the issue have a suggested work around thoughts on >>> how we can trouble shoot this? >>> >>> >>> Regards Wendy >>> >>> >>> -- >>> >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "OrientDB" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> -- --- You received this message because you are subscribed to the Google Groups "OrientDB" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. 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