Hi Odysseas, I will finish commercial issue during 2 days then I will help you with migration.
On Thu, Feb 20, 2014 at 8:06 PM, Odysseas <[email protected]> wrote: > We are seeing various concurrent modification exceptions after moving to >> 1.7-rc1. Once these start to occur, we then end up getting exceptions about >> no more resources in the pool (example exception shown at the bottom). Do >> you have any ideas as to why we are seeing these exceptions? They are >> occurring during read operations so should we be using non transactional >> connections for these operations? I haven't investigate the OrientDB code >> yet but I don't understand why the load operation turns into an add >> operation in this step. Any clues would be highly appreciated. Thanks, >> Odysseas >> > > at > com.orientechnologies.orient.core.tx.OTransactionOptimistic.addRecord(OTransactionOptimistic.java:314) > at > com.orientechnologies.orient.core.tx.OTransactionOptimistic.loadRecord(OTransactionOptimistic.java:291) > > > SEVERE: Error on releasing database 'person-db' in pool > java.util.ConcurrentModificationException > at java.util.HashMap$HashIterator.nextEntry(HashMap.java:894) > at java.util.HashMap$ValueIterator.next(HashMap.java:922) > at > com.orientechnologies.orient.core.tx.OTransactionOptimistic.rollback(OTransactionOptimistic.java:252) > at > com.orientechnologies.orient.core.db.record.ODatabaseRecordTx.rollback(ODatabaseRecordTx.java:163) > at > com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.rollback(ODatabaseDocumentTx.java:468) > at > com.orientechnologies.orient.core.db.document.ODatabaseDocumentTxPooled.close(ODatabaseDocumentTxPooled.java:95) > at > org.openhie.openempi.entity.dao.orientdb.EntityDaoOrientdb.executeQuery(EntityDaoOrientdb.java:478) > > > and > > rientdb.java:473) - Failed while trying to query the system using entity: > person due to > com.orientechnologies.orient.core.exception.OTransactionException: Invalid > state of the transaction. The transaction must be begun. > com.orientechnologies.orient.core.exception.OTransactionException: Invalid > state of the transaction. The transaction must be begun. > at > com.orientechnologies.orient.core.tx.OTransactionRealAbstract.checkTransaction(OTransactionRealAbstract.java:342) > at > com.orientechnologies.orient.core.tx.OTransactionOptimistic.addRecord(OTransactionOptimistic.java:314) > at > com.orientechnologies.orient.core.tx.OTransactionOptimistic.loadRecord(OTransactionOptimistic.java:291) > at > com.orientechnologies.orient.core.db.record.ODatabaseRecordTx.load(ODatabaseRecordTx.java:203) > at > com.orientechnologies.orient.core.db.record.ODatabaseRecordAbstract.load(ODatabaseRecordAbstract.java:1) > at > com.orientechnologies.orient.core.id.ORecordId.getRecord(ORecordId.java:296) > at > com.orientechnologies.orient.core.sql.OCommandExecutorSQLSelect.fillSearchIndexResultSet(OCommandExecutorSQLSelect.java:832) > at > com.orientechnologies.orient.core.sql.OCommandExecutorSQLSelect.searchForIndexes(OCommandExecutorSQLSelect.java:716) > at > com.orientechnologies.orient.core.sql.OCommandExecutorSQLSelect.searchInClasses(OCommandExecutorSQLSelect.java:614) > at > com.orientechnologies.orient.core.sql.OCommandExecutorSQLResultsetAbstract.assignTarget(OCommandExecutorSQLResultsetAbstract.java:139) > at > com.orientechnologies.orient.core.sql.OCommandExecutorSQLSelect.assignTarget(OCommandExecutorSQLSelect.java:354) > at > com.orientechnologies.orient.core.sql.OCommandExecutorSQLSelect.executeSearch(OCommandExecutorSQLSelect.java:328) > at > com.orientechnologies.orient.core.sql.OCommandExecutorSQLSelect.execute(OCommandExecutorSQLSelect.java:313) > at > com.orientechnologies.orient.core.sql.OCommandExecutorSQLDelegate.execute(OCommandExecutorSQLDelegate.java:57) > at > com.orientechnologies.orient.core.storage.OStorageEmbedded.executeCommand(OStorageEmbedded.java:96) > at > com.orientechnologies.orient.core.storage.OStorageEmbedded.command(OStorageEmbedded.java:85) > at > com.orientechnologies.orient.core.sql.query.OSQLQuery.run(OSQLQuery.java:69) > at > com.orientechnologies.orient.core.sql.query.OSQLSynchQuery.run(OSQLSynchQuery.java:82) > at > com.orientechnologies.orient.core.query.OQueryAbstract.execute(OQueryAbstract.java:29) > at > com.orientechnologies.orient.core.db.record.ODatabaseRecordAbstract.query(ODatabaseRecordAbstract.java:557) > at > com.orientechnologies.orient.core.db.ODatabaseRecordWrapperAbstract.query(ODatabaseRecordWrapperAbstract.java:188) > > com.orientechnologies.common.concur.lock.OLockException: Not more > resources available in pool. Requested resource: > plocal:/mnt/sysnet/person-db > at > com.orientechnologies.common.concur.resource.OResourcePool.getResource(OResourcePool.java:46) > at > com.orientechnologies.orient.core.db.ODatabasePoolAbstract.acquire(ODatabasePoolAbstract.java:93) > at > com.orientechnologies.orient.core.db.ODatabasePoolAbstract.acquire(ODatabasePoolAbstract.java:78) > at > com.orientechnologies.orient.core.db.ODatabasePoolBase.acquire(ODatabasePoolBase.java:105) > at > com.tinkerpop.blueprints.impls.orient.OrientBaseGraph.<init>(OrientBaseGraph.java:121) > at > com.tinkerpop.blueprints.impls.orient.OrientTransactionalGraph.<init>(OrientTransactionalGraph.java:37) > at > com.tinkerpop.blueprints.impls.orient.OrientGraph.<init>(OrientGraph.java:54) > at > com.tinkerpop.blueprints.impls.orient.OrientGraphFactory.getTx(OrientGraphFactory.java:49) > > -- > > --- > 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/groups/opt_out. > -- Best regards, Andrey Lomakin. Orient Technologies the Company behind OrientDB -- --- 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/groups/opt_out.
