org.apache.oozie.command.CommandException: E1021: Coord Action Input Check Error: Unable to evaluate :${dataIn('inputData0', 'null')}#${dataIn('inputData', 'null')}:

Apache's JIRA Issue Tracker | Pragya Mittal | 12 months ago
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  1. 0

    Process schedule fails in dry run when entity contains optional dataSet. Process definition : {noformat} <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <process name="OptionalInputTest-agregator-3" xmlns="uri:falcon:process:0.1"> <clusters> <cluster name="OptionalInputTest-corp-999c05510"> <validity start="2010-01-02T01:00Z" end="2010-01-02T01:12Z"/> </cluster> </clusters> <parallel>2</parallel> <order>FIFO</order> <frequency>minutes(5)</frequency> <timezone>UTC</timezone> <inputs> <input name="inputData0" feed="OptionalInputTest-raaw-logs16-cfe063e3-input0" start="now(0,-10)" end="now(0,0)" optional="true"/> <input name="inputData" feed="OptionalInputTest-raaw-logs16-cfe063e3-input1" start="now(0,-10)" end="now(0,0)" optional="false"/> </inputs> <outputs> <output name="outputData" feed="OptionalInputTest-raaw-logs16-cfe063e3-output0" instance="now(0,0)"/> </outputs> <properties> <property name="queueName" value="default"/> <property name="fileTime" value="${formatTime(dateOffset(instanceTime(), 1, 'DAY'), 'yyyy-MMM-dd')}"/> <property name="user" value="${user()}"/> </properties> <workflow path="/tmp/falcon-regression/OptionalInputTest/aggregator"/> <retry policy="periodic" delay="minutes(3)" attempts="3"/> <ACL owner="pragya" group="dataqa" permission="*"/> </process> {noformat} While scheduling with/without skipDryRun option {noformat} falcon entity -type process -schedule -name OptionalInputTest-agregator-3 ERROR: Bad Request;ua1/E0803 : E0803: IO error, Unable to evaluate :${dataIn('inputData0', 'null')}#${dataIn('inputData', 'null')}: CausedBy: E0803: IO error, Unable to evaluate :${dataIn('inputData0', 'null')}#${dataIn('inputData', 'null')}: falcon entity -type process -schedule -name OptionalInputTest-agregator-3 -skipDryRun ua1/OptionalInputTest-agregator-bcjk-1(process) scheduled successfully {noformat} Server logs : {noformat} 2016-04-05 14:03:57,659 ERROR - [816508486@qtp-811301908-51 - 9f673069-d551-4e0c-8514-49bdf138cca3:dataqa:POST//entities/schedule/process/OptionalInputTest-agregator-3] ~ Entity schedule failed for process: OptionalInputTest-agregator-3 (AbstractSchedulableEntityManager:105) org.apache.falcon.FalconException: E0803 : E0803: IO error, Unable to evaluate :${dataIn('inputData0', 'null')}#${dataIn('inputData', 'null')}: at org.apache.falcon.workflow.engine.OozieWorkflowEngine.dryRunInternal(OozieWorkflowEngine.java:240) at org.apache.falcon.workflow.engine.OozieWorkflowEngine.schedule(OozieWorkflowEngine.java:178) at org.apache.falcon.resource.AbstractSchedulableEntityManager.scheduleInternal(AbstractSchedulableEntityManager.java:103) at org.apache.falcon.resource.AbstractSchedulableEntityManager.schedule(AbstractSchedulableEntityManager.java:82) at org.apache.falcon.resource.SchedulableEntityManager.schedule(SchedulableEntityManager.java:262) at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:185) at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221) at org.apache.falcon.security.FalconAuthorizationFilter.doFilter(FalconAuthorizationFilter.java:108) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.falcon.security.FalconAuthenticationFilter$2.doFilter(FalconAuthenticationFilter.java:188) at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:572) at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:542) at org.apache.falcon.security.FalconAuthenticationFilter.doFilter(FalconAuthenticationFilter.java:197) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.falcon.security.FalconAuditFilter.doFilter(FalconAuditFilter.java:64) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.falcon.security.HostnameFilter.doFilter(HostnameFilter.java:82) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:767) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) Caused by: E0803 : E0803: IO error, Unable to evaluate :${dataIn('inputData0', 'null')}#${dataIn('inputData', 'null')}: at org.apache.oozie.client.OozieClient.handleError(OozieClient.java:612) at org.apache.oozie.client.OozieClient$JobSubmit.call(OozieClient.java:695) at org.apache.oozie.client.OozieClient$JobSubmit.call(OozieClient.java:665) at org.apache.oozie.client.OozieClient$ClientCallable.call(OozieClient.java:560) at org.apache.oozie.client.OozieClient.dryrun(OozieClient.java:829) at org.apache.oozie.client.ProxyOozieClient.access$401(ProxyOozieClient.java:48) at org.apache.oozie.client.ProxyOozieClient$4.call(ProxyOozieClient.java:177) at org.apache.oozie.client.ProxyOozieClient$4.call(ProxyOozieClient.java:174) at org.apache.oozie.client.OozieClient.doAs(OozieClient.java:244) at org.apache.oozie.client.ProxyOozieClient.dryrun(ProxyOozieClient.java:174) at org.apache.falcon.workflow.engine.OozieWorkflowEngine.dryRunInternal(OozieWorkflowEngine.java:238) ... 50 more 2016-04-05 14:03:57,659 INFO - [816508486@qtp-811301908-51 - 9f673069-d551-4e0c-8514-49bdf138cca3:dataqa:POST//entities/schedule/process/OptionalInputTest-agregator-3] ~ Successfully released lock on (process) OptionalInputTest-agregator-3 by 816508486@qtp-811301908-51 - 9f673069-d551-4e0c-8514-49bdf138cca3 (MemoryLocks:70) 2016-04-05 14:03:57,659 INFO - [816508486@qtp-811301908-51 - 9f673069-d551-4e0c-8514-49bdf138cca3:dataqa:POST//entities/schedule/process/OptionalInputTest-agregator-3] ~ Memory lock released for (process) OptionalInputTest-agregator-3 (AbstractSchedulableEntityManager:110) 2016-04-05 14:03:57,659 ERROR - [816508486@qtp-811301908-51 - 9f673069-d551-4e0c-8514-49bdf138cca3:dataqa:POST//entities/schedule/process/OptionalInputTest-agregator-3] ~ Unable to schedule workflow (AbstractSchedulableEntityManager:85) org.apache.falcon.FalconWebException at org.apache.falcon.FalconWebException.newAPIException(FalconWebException.java:62) at org.apache.falcon.FalconWebException.newAPIException(FalconWebException.java:50) at org.apache.falcon.FalconWebException.newAPIException(FalconWebException.java:45) at org.apache.falcon.resource.AbstractSchedulableEntityManager.scheduleInternal(AbstractSchedulableEntityManager.java:106) at org.apache.falcon.resource.AbstractSchedulableEntityManager.schedule(AbstractSchedulableEntityManager.java:82) at org.apache.falcon.resource.SchedulableEntityManager.schedule(SchedulableEntityManager.java:262) at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:185) at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221) at org.apache.falcon.security.FalconAuthorizationFilter.doFilter(FalconAuthorizationFilter.java:108) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.falcon.security.FalconAuthenticationFilter$2.doFilter(FalconAuthenticationFilter.java:188) at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:572) at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:542) at org.apache.falcon.security.FalconAuthenticationFilter.doFilter(FalconAuthenticationFilter.java:197) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.falcon.security.FalconAuditFilter.doFilter(FalconAuditFilter.java:64) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.apache.falcon.security.HostnameFilter.doFilter(HostnameFilter.java:82) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:767) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) 2016-04-05 14:03:57,660 DEBUG - [816508486@qtp-811301908-51 - 9f673069-d551-4e0c-8514-49bdf138cca3:] ~ Audit: dataqa/192.168.138.236 performed request http://192.168.138.236:15000/api/entities/schedule/process/OptionalInputTest-agregator-3?colo=ua1&&user.name=dataqa (192.168.138.236) at time 2016-04-05T14:03Z (FalconAuditFilter:86) 2016-04-05 14:03:57,660 INFO - [816508486@qtp-811301908-51 - 9f673069-d551-4e0c-8514-49bdf138cca3:] ~ Audit: dataqa@192.168.138.236 performed http://192.168.138.236:15000/api/entities/schedule/process/OptionalInputTest-agregator-3?colo=ua1&&user.name=dataqa (192.168.138.236) at 2016-04-05T14:03Z (AUDIT:48) {noformat} Oozie logs : {noformat} 2016-04-05 13:59:28,145 ERROR pool-6-thread-1 CoordActionInputCheckXCommand - SERVER[lda01] USER[-] GROUP[-] TOKEN[-] APP[-] JOB[0000618-160404070324284-oozie-oozi-C] ACTION[0000618-160404070324284-oozie-oozi-C@3] XException, org.apache.oozie.command.CommandException: E1021: Coord Action Input Check Error: Unable to evaluate :${dataIn('inputData0', 'null')}#${dataIn('inputData', 'null')}: at org.apache.oozie.command.coord.CoordActionInputCheckXCommand.execute(CoordActionInputCheckXCommand.java:279) at org.apache.oozie.command.coord.CoordActionInputCheckXCommand.execute(CoordActionInputCheckXCommand.java:71) at org.apache.oozie.command.XCommand.call(XCommand.java:286) at org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.Exception: Unable to evaluate :${dataIn('inputData0', 'null')}#${dataIn('inputData', 'null')}: at org.apache.oozie.coord.CoordELFunctions.evalAndWrap(CoordELFunctions.java:723) at org.apache.oozie.command.coord.CoordActionInputCheckXCommand.resolveTagContents(CoordActionInputCheckXCommand.java:398) at org.apache.oozie.command.coord.CoordActionInputCheckXCommand.materializeDataProperties(CoordActionInputCheckXCommand.java:379) at org.apache.oozie.command.coord.CoordActionInputCheckXCommand.resolveCoordConfiguration(CoordActionInputCheckXCommand.java:288) at org.apache.oozie.command.coord.CoordActionInputCheckXCommand.execute(CoordActionInputCheckXCommand.java:230) ... 6 more Caused by: java.lang.NullPointerException at org.apache.oozie.extensions.OozieELExtensions.getDSElement(OozieELExtensions.java:124) at org.apache.oozie.extensions.OozieELExtensions.ph3_dataIn(OozieELExtensions.java:74) at sun.reflect.GeneratedMethodAccessor106.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.apache.commons.el.FunctionInvocation.evaluate(FunctionInvocation.java:172) at org.apache.commons.el.ExpressionString.evaluate(ExpressionString.java:114) at org.apache.commons.el.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:274) at org.apache.commons.el.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:190) at org.apache.oozie.util.ELEvaluator.evaluate(ELEvaluator.java:204) at org.apache.oozie.coord.CoordELFunctions.evalAndWrap(CoordELFunctions.java:714) ... 10 more 2016-04-05 13:59:28,146 WARN pool-6-thread-1 CallableQueueService$CallableWrapper - SERVER[lda01] USER[-] GROUP[-] TOKEN[-] APP[-] JOB[0000618-160404070324284-oozie-oozi-C] ACTION[0000618-160404070324284-oozie-oozi-C@3] exception callable [coord_action_input], E1021: Coord Action Input Check Error: Unable to evaluate :${dataIn('inputData0', 'null')}#${dataIn('inputData', 'null')}: {noformat} workflow.xml : {noformat} <workflow-app xmlns="uri:oozie:workflow:0.2" name="aggregator-wf"> <start to="aggregator"/> <action name="aggregator"> <map-reduce> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <prepare> <delete path="${outputData}"/> </prepare> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> <property> <name>mapred.mapper.class</name> <value>org.apache.hadoop.mapred.lib.IdentityMapper</value> </property> <property> <name>mapred.reducer.class</name> <value>org.apache.hadoop.mapred.lib.IdentityReducer</value> </property> <property> <name>mapred.map.tasks</name> <value>1</value> </property> <property> <name>mapred.input.dir</name> <value>${inputData}</value> </property> <!--<property>--> <!--<name>mapred.input.dir</name>--> <!--<value>${inputData0}</value>--> <!--</property>--> <property> <name>mapred.output.dir</name> <value>${outputData}</value> </property> </configuration> </map-reduce> <ok to="end"/> <error to="fail"/> </action> <kill name="fail"> <message>Map/Reduce failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> </kill> <end name="end"/> </workflow-app> {noformat}

    Apache's JIRA Issue Tracker | 12 months ago | Pragya Mittal
    org.apache.oozie.command.CommandException: E1021: Coord Action Input Check Error: Unable to evaluate :${dataIn('inputData0', 'null')}#${dataIn('inputData', 'null')}:
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    Stack Overflow | 6 years ago | Pallinder
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.oozie.extensions.OozieELExtensions.getDSElement()
    2. org.apache.oozie
      OozieELExtensions.ph3_dataIn
      1. org.apache.oozie.extensions.OozieELExtensions.getDSElement(OozieELExtensions.java:124)
      2. org.apache.oozie.extensions.OozieELExtensions.ph3_dataIn(OozieELExtensions.java:74)
      2 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.GeneratedMethodAccessor106.invoke(Unknown Source)
      2. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      3. java.lang.reflect.Method.invoke(Method.java:497)
      3 frames
    4. EL
      ExpressionEvaluatorImpl.evaluate
      1. org.apache.commons.el.FunctionInvocation.evaluate(FunctionInvocation.java:172)
      2. org.apache.commons.el.ExpressionString.evaluate(ExpressionString.java:114)
      3. org.apache.commons.el.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:274)
      4. org.apache.commons.el.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:190)
      4 frames
    5. org.apache.oozie
      CallableQueueService$CallableWrapper.run
      1. org.apache.oozie.util.ELEvaluator.evaluate(ELEvaluator.java:204)
      2. org.apache.oozie.coord.CoordELFunctions.evalAndWrap(CoordELFunctions.java:714)
      3. org.apache.oozie.command.coord.CoordActionInputCheckXCommand.resolveTagContents(CoordActionInputCheckXCommand.java:398)
      4. org.apache.oozie.command.coord.CoordActionInputCheckXCommand.materializeDataProperties(CoordActionInputCheckXCommand.java:379)
      5. org.apache.oozie.command.coord.CoordActionInputCheckXCommand.resolveCoordConfiguration(CoordActionInputCheckXCommand.java:288)
      6. org.apache.oozie.command.coord.CoordActionInputCheckXCommand.execute(CoordActionInputCheckXCommand.java:230)
      7. org.apache.oozie.command.coord.CoordActionInputCheckXCommand.execute(CoordActionInputCheckXCommand.java:71)
      8. org.apache.oozie.command.XCommand.call(XCommand.java:286)
      9. org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:175)
      9 frames
    6. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      3. java.lang.Thread.run(Thread.java:745)
      3 frames