[esb-java-dev] [jira] Created: (ESBJAVA-325) AxisConfiguration is set to null, hence NPE thrown when editing proxy service after updating the synapse configuration

[Charitha Kankanamge (JIRA)]

AxisConfiguration is set to null, hence NPE thrown when editing proxy service after updating the synapse configuration
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                 Key: ESBJAVA-325
                 URL: http://www.wso2.org/jira/browse/ESBJAVA-325
             Project: WSO2 ESB
          Issue Type: Bug
          Components: Core Engine
         Environment: ubuntu, jdk15
            Reporter: Charitha Kankanamge
         Assigned To: Ruwan Linton
            Priority: Critical


Following NPE thrown when updating an existing proxy service after changing Synapse configuration.

 ERROR RPCInOnlyMessageReceiver Exception occurred while trying to invoke service method saveProxyService
java.lang.NullPointerException
        at org.apache.synapse.config.SynapseConfiguration.removeProxyService(SynapseConfiguration.java:481)
        at org.wso2.esb.services.ProxyServiceAdmin.deleteProxyService(ProxyServiceAdmin.java:337)
        at org.wso2.esb.services.ProxyServiceAdmin.saveProxyService(ProxyServiceAdmin.java:281)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:194)
        at org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver.invokeBusinessLogic(RPCInOnlyMessageReceiver.java:62)
        at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:96)
        at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:145)
        at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
        at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:120)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.wso2.adminui.AdminUIServletFilter.doFilter(AdminUIServletFilter.java:133)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
        at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:667)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:595)

Steps to reproduce:
===============
1. Create a proxy service
2. Now click on 'Configuration' in the left navigation
3. Click on 'Update'
4. Now click on the created proxy service above
5. Click on 'Save' 

It keeps throwing the NPE when updating proxy services until restarting the ESB instance, 


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