OrientDB Version : 2.0-M3
our software reads from doc db in multi threads while there is another only
one thread creating records.......!
1. What is the reason for this Exception???
2. Does this mean that the writing thread's transaction has not been
committed/rolledback in 30 seconds. If yes, I want to give you another
input that all our transactions are committed and closed within 5 seconds
from the time of db.begin()
___________
com.orientechnologies.orient.core.exception.ODatabaseException: Error on
retrieving record #43:1148902 (cluster: por_point)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.executeReadRecord(ODatabaseDocumentTx.java:1530)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
com.orientechnologies.orient.core.tx.OTransactionOptimistic.loadRecord(OTransactionOptimistic.java:221)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.load(ODatabaseDocumentTx.java:1354)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.load(ODatabaseDocumentTx.java:123)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
com.orientechnologies.orient.core.id.ORecordId.getRecord(ORecordId.java:309)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
in.co.nmsworks.documenttdb.db.DocDB.getDocTypeObjects(DocDB.java:118)
~[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.inventory.store.RcaInvReader.getEntitiesByNonUniqueKeySearch(RcaInvReader.java:344)
~[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.inventory.store.RcaInvReader.getPointEntities(RcaInvReader.java:354)
~[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.inventory.store.RcaInvReader.buildImpactAnalysisDataHolderForCTP(RcaInvReader.java:279)
~[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.plug.impl.circuit.impact.node.constructor.impl2.CTPImpactAnalysisDataBuilder.buildImpactAnalysisData(CTPImpactAnalysisDataBuilder.java:40)
~[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.plug.impl.circuit.impl2.CircuitPlugHelper.getImpactAnalysisDataHolder(CircuitPlugHelper.java:117)
~[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.plug.impl.circuit.impl2.CircuitPlug.getImpactAnalysisDataHolder(CircuitPlug.java:216)
~[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.plug.impl.circuit.impl2.CircuitPlug.analyze(CircuitPlug.java:105)
[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.plug.Plug.computeAndStore(Plug.java:111)
[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.server.PlugInvokationTask.getPlugResult(PlugInvokationTask.java:126)
[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.server.PlugInvokationTask.compute(PlugInvokationTask.java:66)
[cygnetOTNMS.jar:?]
at
in.co.nmsworks.cygnet.telecom.fault.rcasia.server.PlugInvokationTask.compute(PlugInvokationTask.java:37)
[cygnetOTNMS.jar:?]
at java.util.concurrent.RecursiveTask.exec(RecursiveTask.java:93)
[?:1.7.0_55]
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:334)
[?:1.7.0_55]
at
java.util.concurrent.ForkJoinWorkerThread.execTask(ForkJoinWorkerThread.java:604)
[?:1.7.0_55]
at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:762)
[?:1.7.0_55]
at java.util.concurrent.ForkJoinPool.work(ForkJoinPool.java:646)
[?:1.7.0_55]
at
java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:398)
[?:1.7.0_55]
Caused by: com.orientechnologies.common.concur.OTimeoutException: Timeout
on acquiring exclusive lock against resource of class: class
com.orientechnologies.common.concur.resource.OSharedResourceAdaptiveExternal
with timeout=30000
at
com.orientechnologies.common.concur.resource.OSharedResourceAdaptive.throwTimeoutException(OSharedResourceAdaptive.java:188)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
com.orientechnologies.common.concur.resource.OSharedResourceAdaptive.acquireSharedLock(OSharedResourceAdaptive.java:165)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
com.orientechnologies.common.concur.resource.OSharedResourceAdaptiveExternal.acquireSharedLock(OSharedResourceAdaptiveExternal.java:44)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage.readRecord(OAbstractPaginatedStorage.java:1198)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage.readRecord(OAbstractPaginatedStorage.java:644)
~[orientdb-core-2.0-M3.jar:2.0-M3]
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.executeReadRecord(ODatabaseDocumentTx.java:1497)
~[orientdb-core-2.0-M3.jar:2.0-M3]
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