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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4489) NetXAResource.start() throws NullPointerException when connection to server is lost
Date Tue, 22 Dec 2009 09:30:29 GMT
NetXAResource.start() throws NullPointerException when connection to server is lost
-----------------------------------------------------------------------------------

                 Key: DERBY-4489
                 URL: https://issues.apache.org/jira/browse/DERBY-4489
             Project: Derby
          Issue Type: Bug
          Components: JDBC
    Affects Versions: 10.5.3.0, 10.6.0.0
            Reporter: Knut Anders Hatlen


If you have a ClientXAConnection and then stop or restart the network server, subsequent calls
to XAResource.start() will fail with a NullPointerException:

Exception in thread "main" java.lang.NullPointerException
        at org.apache.derby.client.net.Request.sendBytes(Request.java:1415)
        at org.apache.derby.client.net.Request.flush(Request.java:1409)
        at org.apache.derby.client.net.NetAgent.sendRequest(NetAgent.java:387)
        at org.apache.derby.client.net.NetAgent.flush_(NetAgent.java:267)
        at org.apache.derby.client.am.Agent.flowOutsideUOW(Agent.java:196)
        at org.apache.derby.client.net.NetXAResource.start(NetXAResource.java:626)
        at XA_NPE_Repro.main(XA_NPE_Repro.java:21)

(This bug was originally seen when running failure-injection tests against GlassFish with
an XA connection pool and connection validation turned off.)

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