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https://issues.apache.org/jira/browse/AXIS2-5623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sagara Gunathunga resolved AXIS2-5623.
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Resolution: Invalid
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> axis2 NullPointerException when create stub in load test
> --------------------------------------------------------
>
> Key: AXIS2-5623
> URL: https://issues.apache.org/jira/browse/AXIS2-5623
> Project: Axis2
> Issue Type: Bug
> Affects Versions: 1.5.4
> Reporter: tina
>
> We are using axis2-1.5.4 to generate stub client to send soap message, as we
> known the axis2 is not thread-safe, so we use a pool to store stub instance.
> Each thread will borrow stub object from the pool before use and return it to
> pool after using. however, when the traffic is heavy(400 threads), there are
> always some NPE exception, it seems although the instance is already returned
> to the pool, it is still used by other thread. The exception stack is as
> below:
> java.lang.NullPointerException: null
> at
> org.apache.axis2.client.ServiceClient.cleanupTransport(ServiceClient.java:824)
> at
> com.cmcc.aus.msgadpter.soap.security.SecurityClient.checkToken(SecurityClient.java:355)
> at
> com.cmcc.aus.service.esb.VerifyEaCallingTokenSvc.verifyEaCallingToken(VerifyEaCallingTokenSvc.java:81)
> at
> com.cmcc.aus.msgadpter.rest.VerifyEaCallingTokenRestInterface.postVerifyEaCallingToken(VerifyEaCallingTokenRestInterface.java:38)
> And we also use cached http connection in the create of stub, the stub client
> code is as below:
> public SecurityStub(java.lang.String targetEndpoint) throws
> org.apache.axis2.AxisFault {
> this(null,targetEndpoint);
> Options options = this._getServiceClient().getOptions();
> options.setTimeOutInMilliSeconds(60000);
> options.setProperty(HTTPConstants.REUSE_HTTP_CLIENT,
> Boolean.TRUE);
>
> MultiThreadedHttpConnectionManager conmgr = new
> MultiThreadedHttpConnectionManager();
>
> conmgr.getParams().setDefaultMaxConnectionsPerHost(AusConstants.SECURITY_CLIENT_MAX_CONNECTION_NUM_PER_HOST);
>
> conmgr.getParams().setMaxTotalConnections(AusConstants.SECURITY_CLIENT_MAX_CONNECTION_NUM);
> HttpClient client = new HttpClient(conmgr);
> options.setProperty(HTTPConstants.CACHED_HTTP_CLIENT, client);
> }
> Can anyone help us why this happen? Thanks in advance!
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