Hi Enrico and the OrientDB team,
We are seeing some Lucene index errors in our application. Our application
was trying to close a database connection when it caught an OLockException.
Then the graph database shutdown function OrientBaseGraph.shutdown() seems
to trigger a Lucene Index error "this Index Writer is closed". The full
stack trace is attached bellow:
2015-01-03 14:54:14:758 INFO Account b9ae0914-9398-11e4-8b3e-000c29202374
does not exist for class: user [OrientdbDAO]Error during context close for
db plo
cal:/opt/ndex/orientdb/databases/ndex
com.orientechnologies.orient.core.exception.OTransactionException:
Transaction was rolled back more times than it was started.
at
com.orientechnologies.orient.core.tx.OTransactionOptimistic.rollback(OTransactionOptimistic.java:177)
at
com.orientechnologies.orient.core.db.record.ODatabaseRecordTx.commit(ODatabaseRecordTx.java:152)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.commit(ODatabaseDocumentTx.java:511)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.commit(ODatabaseDocumentTx.java:503)
at
com.tinkerpop.blueprints.impls.orient.OrientBaseGraph.removeContext(OrientBaseGraph.java:1540)
at
com.tinkerpop.blueprints.impls.orient.OrientBaseGraph.shutdown(OrientBaseGraph.java:900)
at
org.ndexbio.common.models.dao.orientdb.UserDAO.close(UserDAO.java:1043)
at org.ndexbio.rest.services.UserService.getTasks(UserService.java:522)
at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:237)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
at
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
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.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:645)
at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:659)
at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:2988)
at
com.orientechnologies.lucene.manager.OLuceneIndexManagerAbstract.commit(OLuceneIndexManagerAbstract.java:118)
at
com.orientechnologies.lucene.OLuceneIndexEngine.closeDb(OLuceneIndexEngine.java:139)
at
com.orientechnologies.orient.core.index.OIndexAbstract.onClose(OIndexAbstract.java:802)
at
com.orientechnologies.orient.core.db.record.ODatabaseRecordAbstract.callOnCloseListeners(ODatabaseRecordAbstract.java:1536)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTxPooled.close(ODatabaseDocumentTxPooled.java:112)
at
org.ndexbio.rest.services.NetworkAService.searchNetwork(NetworkAService.java:805)
at sun.reflect.GeneratedMethodAccessor103.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:237)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
at
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
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.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Error on releasing database 'ndex' in pool
com.orientechnologies.orient.core.tx.ORollbackException: Given transaction
was rolled back and can not be used.
at
com.orientechnologies.orient.core.tx.OTransactionOptimistic.doCommit(OTransactionOptimistic.java:450)
at
com.orientechnologies.orient.core.tx.OTransactionOptimistic.commit(OTransactionOptimistic.java:148)
at
com.orientechnologies.orient.core.db.record.ODatabaseRecordTx.commit(ODatabaseRecordTx.java:142)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.commit(ODatabaseDocumentTx.java:511)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTxPooled.close(ODatabaseDocumentTxPooled.java:103)
at
com.tinkerpop.blueprints.impls.orient.OrientBaseGraph.removeContext(OrientBaseGraph.java:1550)
at
com.tinkerpop.blueprints.impls.orient.OrientBaseGraph.shutdown(OrientBaseGraph.java:900)
at
org.ndexbio.common.models.dao.orientdb.UserDAO.close(UserDAO.java:1043)
at org.ndexbio.rest.services.UserService.getTasks(UserService.java:522)
at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:237)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
at
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
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.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:645)
at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:659)
at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:2988)
at
com.orientechnologies.lucene.manager.OLuceneIndexManagerAbstract.commit(OLuceneIndexManagerAbstract.java:118)
at
com.orientechnologies.lucene.OLuceneIndexEngine.closeDb(OLuceneIndexEngine.java:139)
at
com.orientechnologies.orient.core.index.OIndexAbstract.onClose(OIndexAbstract.java:802)
at
com.orientechnologies.orient.core.db.record.ODatabaseRecordAbstract.callOnCloseListeners(ODatabaseRecordAbstract.java:1536)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTxPooled.close(ODatabaseDocumentTxPooled.java:112)
at
org.ndexbio.rest.filters.BasicAuthenticationFilter.filter(BasicAuthenticationFilter.java:75)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:264)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:237)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
at
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
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.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Error during context close for db plocal:/opt/ndex/orientdb/databases/ndex
com.orientechnologies.common.concur.lock.OLockException: Timeout (30000ms)
on acquiring resource '#18:277' because is locked from another thread
at
com.orientechnologies.common.concur.lock.OLockManager.acquireLock(OLockManager.java:104)
at
com.orientechnologies.common.concur.lock.OLockManager.acquireLock(OLockManager.java:71)
at
com.orientechnologies.orient.core.storage.impl.local.paginated.OLocalPaginatedStorage.commit(OLocalPaginatedStorage.java:1075)
at
com.orientechnologies.orient.core.tx.OTransactionOptimistic.doCommit(OTransactionOptimistic.java:469)
at
com.orientechnologies.orient.core.tx.OTransactionOptimistic.commit(OTransactionOptimistic.java:148)
at
com.orientechnologies.orient.core.db.record.ODatabaseRecordTx.commit(ODatabaseRecordTx.java:142)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.commit(ODatabaseDocumentTx.java:511)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.commit(ODatabaseDocumentTx.java:503)
at
com.tinkerpop.blueprints.impls.orient.OrientBaseGraph.removeContext(OrientBaseGraph.java:1540)
at
com.tinkerpop.blueprints.impls.orient.OrientBaseGraph.shutdown(OrientBaseGraph.java:900)
at
org.ndexbio.common.models.dao.orientdb.GroupDAO.close(GroupDAO.java:749)
at
org.ndexbio.rest.services.GroupService.closeDatabase(GroupService.java:602)
at
org.ndexbio.rest.services.GroupService.findGroups(GroupService.java:245)
at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)
at
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:237)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
at
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
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.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
After this error happens, we start getting this error bellow and the Lucene
search doesn't work any more. Bellow is the stack trace of the error
2015-01-05 10:07:37:385 INFO Account undefined does not exist for class:
user [OrientdbDAO]java.lang.IllegalArgumentException: targetGen=14871 was
never re
turned by the ReferenceManager instance (current gen=2593)
at
org.apache.lucene.search.ControlledRealTimeReopenThread.waitForGeneration(ControlledRealTimeReopenThread.java:160)
at
org.apache.lucene.search.ControlledRealTimeReopenThread.waitForGeneration(ControlledRealTimeReopenThread.java:135)
at
com.orientechnologies.lucene.manager.OLuceneIndexManagerAbstract.getSearcher(OLuceneIndexManagerAbstract.java:318)
at
com.orientechnologies.lucene.manager.OLuceneFullTextIndexManager.getResults(OLuceneFullTextIndexManager.java:145)
at
com.orientechnologies.lucene.manager.OLuceneFullTextIndexManager.get(OLuceneFullTextIndexManager.java:112)
at
com.orientechnologies.lucene.OLuceneIndexEngine.get(OLuceneIndexEngine.java:155)
at
com.orientechnologies.lucene.index.OLuceneFullTextIndex.get(OLuceneFullTextIndex.java:111)
at
com.orientechnologies.lucene.index.OLuceneFullTextIndex.get(OLuceneFullTextIndex.java:38)
at
com.orientechnologies.orient.core.index.OIndexAbstractDelegate.get(OIndexAbstractDelegate.java:57)
at
com.orientechnologies.orient.core.index.OIndexTxAwareMultiValue.get(OIndexTxAwareMultiValue.java:275)
at
com.orientechnologies.orient.core.index.OIndexTxAwareMultiValue.get(OIndexTxAwareMultiValue.java:43)
at
org.ndexbio.common.models.dao.orientdb.NetworkSearchDAO.findNetworksV2(NetworkSearchDAO.java:206)
....
Do we need to do special things to close a connection, which is acquired
from a connection pool, when we use Lucene? What should we do to avoid this
error? We are using Orientdb 1.7.10 with Orient-Lucene 1.7.9-snapshot. Our
application is a tomcat application using Orientdb as an embedded server.
OS is Linux.
Thank you very much for your help.
Jing
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