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POAxis2 generated Stubs are thread-safe?
 

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  1. POAxis2 generated Stubs are thread-safe?
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    <p>Are the Stubs generated by WSDL2JAVA (using XMLBeans binding option) through Axis2 1.5.4 thread-safe? </p> <p>Actually I have created one Stub for a Web Service that I am invoking through multiple threads. I have configured my own <code>MultiThreadedHttpConnectionmanager</code> and set the <code>HTTPConstants.REUSE_HTTP_CLIENT</code> as well but I am seeing some NullPointerExceptions in <code>stub._getServiceClient().cleanupTransport</code> that I call after each invocation. </p> <p>Sometimes the threads hang too. </p> <p>At the same time I noticed that in the generated Stub in the Web Service operation method, cleanup() is called already in the finally block. Should I not call <code>stub._getServiceClient().cleanupTransport</code> myself afterwards?</p> <p>My code:</p> <pre><code> httpConnMgr = new MultiThreadedHttpConnectionManager(); HttpConnectionManagerParams params = httpConnMgr.getParams(); if (params == null) { params = new HttpConnectionManagerParams(); } params.setDefaultMaxConnectionsPerHost(numberOfThreads); httpConnMgr.setParams(params); HttpClient httpClient = new HttpClient(httpConnMgr); service = new Service1Stub(this.endPointAddress); service._getServiceClient().getOptions() .setTimeOutInMilliSeconds(this.timeOut); service._getServiceClient().getOptions() .setProperty(HTTPConstants.REUSE_HTTP_CLIENT, Boolean.TRUE); service._getServiceClient().getOptions() .setProperty(HTTPConstants.AUTO_RELEASE_CONNECTION, Boolean.FALSE); service._getServiceClient() .getOptions() .setProperty(HTTPConstants.SO_TIMEOUT, (int) (this.timeOut)); service._getServiceClient() .getOptions() .setProperty(HTTPConstants.CONNECTION_TIMEOUT, (int) (this.timeOut)); service._getServiceClient().getServiceContext().getConfigurationContext() .setProperty(HTTPConstants.CACHED_HTTP_CLIENT, httpClient); </code></pre> <p>Meanwhile in the generated stub, I noticed that cleanUp is already been called:</p> <pre><code> finally { _messageContext.getTransportOut().getSender().cleanup(_messageContext); } </code></pre> <p>Any suggestion would be greatly helpful. Thanks.</p>
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