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From Sheryl John <shery...@gmail.com>
Subject Workflow instance error
Date Sat, 13 Aug 2011 00:25:48 GMT
Hi all,

I am using the Workflow Manager to run some events, and it was working fine
earlier today before I started getting some timed out lock warnings.
I didn't update any part of my defined workflow, but I was away for a while
before I restarted the wmgr. After starting off the wmgr-client, I got the
below warnings:



INFO: WorkflowManager: Workflow pythonWorkflow retrieved for event
pythonWorkflow
Aug 12, 2011 3:57:09 PM
org.apache.oodt.cas.workflow.instrepo.LuceneWorkflowInstanceRepository
addWorkflowInstanceToCatalog
WARNING: Unable to index workflow instance:
[682adca4-c536-11e0-a906-354a8363ecc7]: Message: Lock obtain timed out:
Lock@/tmp/lucene-76ae6fd29a43a2046fb462e76a907e1d-write.lock
org.apache.oodt.cas.workflow.structs.exceptions.InstanceRepositoryException:
Unable to index workflow instance: [682adca4-c536-11e0-a906-354a8363ecc7]:
Message: Lock obtain timed out: Lock@
/tmp/lucene-76ae6fd29a43a2046fb462e76a907e1d-write.lock
at
org.apache.oodt.cas.workflow.instrepo.LuceneWorkflowInstanceRepository.addWorkflowInstanceToCatalog(LuceneWorkflowInstanceRepository.java:462)
at
org.apache.oodt.cas.workflow.instrepo.LuceneWorkflowInstanceRepository.addWorkflowInstance(LuceneWorkflowInstanceRepository.java:175)
at
org.apache.oodt.cas.workflow.engine.ThreadPoolWorkflowEngine.persistWorkflowInstance(ThreadPoolWorkflowEngine.java:435)
at
org.apache.oodt.cas.workflow.engine.ThreadPoolWorkflowEngine.startWorkflow(ThreadPoolWorkflowEngine.java:202)
at
org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManager.handleEvent(XmlRpcWorkflowManager.java:315)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.xmlrpc.Invoker.execute(Invoker.java:130)
at org.apache.xmlrpc.XmlRpcWorker.invokeHandler(XmlRpcWorker.java:84)
at org.apache.xmlrpc.XmlRpcWorker.execute(XmlRpcWorker.java:146)
at org.apache.xmlrpc.XmlRpcServer.execute(XmlRpcServer.java:139)
at org.apache.xmlrpc.XmlRpcServer.execute(XmlRpcServer.java:125)
at org.apache.xmlrpc.WebServer$Connection.run(WebServer.java:761)
at org.apache.xmlrpc.WebServer$Runner.run(WebServer.java:642)
at java.lang.Thread.run(Unknown Source)
org.apache.oodt.cas.workflow.structs.exceptions.EngineException: Unable to
index workflow instance: [682adca4-c536-11e0-a906-354a8363ecc7]: Message:
Lock obtain timed out: Lock@
/tmp/lucene-76ae6fd29a43a2046fb462e76a907e1d-write.lock
at
org.apache.oodt.cas.workflow.engine.ThreadPoolWorkflowEngine.persistWorkflowInstance(ThreadPoolWorkflowEngine.java:443)
at
org.apache.oodt.cas.workflow.engine.ThreadPoolWorkflowEngine.startWorkflow(ThreadPoolWorkflowEngine.java:202)
at
org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManager.handleEvent(XmlRpcWorkflowManager.java:315)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.xmlrpc.Invoker.execute(Invoker.java:130)
at org.apache.xmlrpc.XmlRpcWorker.invokeHandler(XmlRpcWorker.java:84)
at org.apache.xmlrpc.XmlRpcWorker.execute(XmlRpcWorker.java:146)
at org.apache.xmlrpc.XmlRpcServer.execute(XmlRpcServer.java:139)
at org.apache.xmlrpc.XmlRpcServer.execute(XmlRpcServer.java:125)
at org.apache.xmlrpc.WebServer$Connection.run(WebServer.java:761)
at org.apache.xmlrpc.WebServer$Runner.run(WebServer.java:642)
at java.lang.Thread.run(Unknown Source)
Aug 12, 2011 3:57:09 PM sun.net.www.protocol.http.HttpURLConnection
getInputStream
FINE: sun.net.www.MessageHeader@122ce9085 pairs: {null: HTTP/1.1 200
OK}{Server: Apache XML-RPC 1.0}{Connection: close}{Content-Type:
text/xml}{Content-Length: 542}
org.apache.xmlrpc.XmlRpcException: java.lang.Exception:
org.apache.oodt.cas.workflow.structs.exceptions.EngineException: Engine
exception when starting workflow: pythonWorkflow: Message: Unable to index
workflow instance: [682adca4-c536-11e0-a906-354a8363ecc7]: Message: Lock
obtain timed out: Lock@
/tmp/lucene-76ae6fd29a43a2046fb462e76a907e1d-write.lock
at
org.apache.xmlrpc.XmlRpcClientResponseProcessor.decodeException(XmlRpcClientResponseProcessor.java:104)
at
org.apache.xmlrpc.XmlRpcClientResponseProcessor.decodeResponse(XmlRpcClientResponseProcessor.java:71)
at org.apache.xmlrpc.XmlRpcClientWorker.execute(XmlRpcClientWorker.java:73)
at org.apache.xmlrpc.XmlRpcClient.execute(XmlRpcClient.java:194)
at org.apache.xmlrpc.XmlRpcClient.execute(XmlRpcClient.java:185)
at org.apache.xmlrpc.XmlRpcClient.execute(XmlRpcClient.java:178)
at
org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManagerClient.sendEvent(XmlRpcWorkflowManagerClient.java:443)
at
org.apache.oodt.cas.workflow.system.XmlRpcWorkflowManagerClient.main(XmlRpcWorkflowManagerClient.java:763)
java.lang.Exception: java.lang.Exception:
org.apache.oodt.cas.workflow.structs.exceptions.EngineException: Engine
exception when starting workflow: pythonWorkflow: Message: Unable to index
workflow instance: [682adca4-c536-11e0-a906-354a8363ecc7]: Message: Lock
obtain timed out: Lock@
/tmp/lucene-76ae6fd29a43a2046fb462e76a907e1d-write.lock

I am not sure whats causing this and this is the first time I've seen this
issue while working with the wmgr.

Thanks,
Sheryl

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