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Date: Tue, 12 Jan 2016 06:55:39 +0000 (UTC)
From: "pavan kumar kolamuri (JIRA)" <jira@apache.org>
To: dev@falcon.incubator.apache.org
Message-ID: <JIRA.12925026.1451560592000.81735.1452581739844@Atlassian.JIRA>
In-Reply-To: <JIRA.12925026.1451560592000@Atlassian.JIRA>
References: <JIRA.12925026.1451560592000@Atlassian.JIRA>
 <JIRA.12925026.1451560592131@arcas>
Subject: [jira] [Assigned] (FALCON-1716) API fails with
 CommunicationsException when mysql interaction time is longer than
 53,434,939 milliseconds
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     [ https://issues.apache.org/jira/browse/FALCON-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

pavan kumar kolamuri reassigned FALCON-1716:
--------------------------------------------

    Assignee: pavan kumar kolamuri

> API fails with CommunicationsException when mysql interaction time is longer than 53,434,939 milliseconds
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: FALCON-1716
>                 URL: https://issues.apache.org/jira/browse/FALCON-1716
>             Project: Falcon
>          Issue Type: Bug
>          Components: scheduler
>    Affects Versions: 0.9
>            Reporter: Pragya Mittal
>            Assignee: pavan kumar kolamuri
>         Attachments: jdbc-timedout.log
>
>
> If mysql is not interacted for less than 53,434,939 milliseconds, the query fails with CommunicationsException for first few attempts after which connection is set. We should configure communication window for the same. Error is :
> {noformat}
> 2015-12-30 06:54:47,294 ERROR - [357665612@qtp-1816147548-10 - 8ebf22cf-4f82-4280-a248-fa3ca6048042:dataqa:GET//instance/params/process/ProcessInstanceStatusTest-agregator-coord16-50a6b241] ~ Failed to display params of an instance (AbstractInstanceManager:553)
> <openjpa-2.4.0-r422266:1674604 fatal general error> org.apache.openjpa.persistence.PersistenceException: The last packet successfully received from the server was 53,434,939 milliseconds ago.  The last packet sent successfully to the server was 53,434,939 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
>         at org.apache.openjpa.jdbc.sql.DBDictionary.narrow(DBDictionary.java:5001)
>         at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBDictionary.java:4961)
>         at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:133)
>         at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:107)
>         at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:59)
>         at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.connect(JDBCStoreManager.java:967)
>         at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.getConnection(JDBCStoreManager.java:241)
>         at org.apache.openjpa.jdbc.kernel.PreparedSQLStoreQuery$PreparedSQLExecutor.executeQuery(PreparedSQLStoreQuery.java:104)
>         at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1004)
>         at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:862)
>         at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:793)
>         at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:541)
>         at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:274)
>         at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:290)
>         at org.apache.falcon.state.store.jdbc.JDBCStateStore.getEntityByKey(JDBCStateStore.java:95)
>         at org.apache.falcon.state.store.jdbc.JDBCStateStore.entityExists(JDBCStateStore.java:105)
>         at org.apache.falcon.workflow.engine.FalconWorkflowEngine.isActive(FalconWorkflowEngine.java:98)
>         at org.apache.falcon.workflow.WorkflowEngineFactory.getWorkflowEngine(WorkflowEngineFactory.java:54)
>         at org.apache.falcon.resource.AbstractEntityManager.getWorkflowEngine(AbstractEntityManager.java:1132)
>         at org.apache.falcon.resource.AbstractInstanceManager.getInstanceParams(AbstractInstanceManager.java:550)
>         at org.apache.falcon.resource.InstanceManager.getInstanceParams(InstanceManager.java:178)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         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)
> {noformat}


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