Returning an attibuteValue directly causes NPE
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Key: MASHUP-753
URL: https://wso2.org/jira/browse/MASHUP-753
Project: WSO2 Mashup Server
Issue Type: Bug
Reporter: Keith Godwin Chapman
Assignee: Keith Godwin Chapman
Fix For: 1.1
The following function causes a NPE as below,
function attribute(){
var test = <item number='1'><item1/></item>;
var attributeValue = test.attribute("number");
return attributeValue;
}
org.apache.axis2.AxisFault
at org.apache.axis2.AxisFault.makeFault(AxisFault.java:430)
at
org.wso2.javascript.rhino.JavaScriptReceiver.invokeBusinessLogic(JavaScriptReceiver.java:239)
at
org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
at
org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:100)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
at
org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:131)
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.mashup.transport.ServiceUIFilter.doFilter(ServiceUIFilter.java:210)
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)
Caused by: java.lang.NullPointerException
at
org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:202)
at
org.wso2.javascript.rhino.JavaScriptReceiver.createResponseElement(JavaScriptReceiver.java:1186)
at
org.wso2.javascript.rhino.JavaScriptReceiver.buildResponse(JavaScriptReceiver.java:1134)
at
org.wso2.javascript.rhino.JavaScriptReceiver.handleSchemaTypeinResponse(JavaScriptReceiver.java:499)
at
org.wso2.javascript.rhino.JavaScriptReceiver.handleSimpleTypeinResponse(JavaScriptReceiver.java:485)
at
org.wso2.javascript.rhino.JavaScriptReceiver.handleComplexTypeInResponse(JavaScriptReceiver.java:293)
at
org.wso2.javascript.rhino.JavaScriptReceiver.invokeBusinessLogic(JavaScriptReceiver.java:217)
... 24 more
But the following function works,
function attribute(){
var test = <item number='1'><item1/></item>;
var attributeValue = test.attribute("number").toString();
return attributeValue;
}
Hence this could be a problem in the E4X impl.
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