Hello,
I am using NetBeans 7.3.1 with JDK 1.7 and NetLogo 5.0.4. When i copy
'controlling API' example headless in java application project it works
perfect. But when i create java webservice and copy the same code i get the
following error. To make clear here i have copied the web method followed by
the error. Please forward to me suggestions to solve it.
With regards,
Getachew
@WebMethod(operationName = "testfiremodel")
public String testfiremodel() {
HeadlessWorkspace workspace = HeadlessWorkspace.newInstance() ;
String brntree= "";
String inittree= "";
double per =0;
try {
workspace.open( "C:\\Program Files (x86)\\NetLogo
5.0.4\\models\\Sample Models\\Earth Science\\" + "Fire.nlogo");
workspace.command("set density 63");
workspace.command("random-seed 0");
workspace.command("setup");
workspace.command("repeat 100 [ go ]") ;
brntree= workspace.report("burned-trees").toString();
inittree= workspace.report("initial-trees").toString();
per =(Double.parseDouble(brntree)/ Double.parseDouble(inittree)) *100;
workspace.dispose();
}
catch(Exception ex) {
ex.printStackTrace();
}
return "initial-trees = " + inittree + "; burned-trees= " + brntree +
"; Percent = " + Double.toString(per);
}
Here is the error
WS00041: Service invocation threw an exception with message : null; Refer to
the server log for more details
Exceptions details : java.lang.reflect.InvocationTargetException
javax.servlet.ServletException: java.lang.reflect.InvocationTargetException at
org.glassfish.webservices.monitoring.WebServiceTesterServlet.doPost(WebServiceTesterServlet.java:336)
at
org.glassfish.webservices.monitoring.WebServiceTesterServlet.invoke(WebServiceTesterServlet.java:106)
at org.glassfish.webservices.JAXWSServlet.doPost(JAXWSServlet.java:157) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at
org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682) at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99) at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
at
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:357)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
at
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
at
org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
at
org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
at
org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at
org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
at
org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
at
org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
at
org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at
org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
at
org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
at
org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
at
org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
at
org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
at
org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
at
org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
at java.lang.Thread.run(Thread.java:724) Caused by:
java.lang.reflect.InvocationTargetException at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606) at
org.glassfish.webservices.monitoring.WebServiceTesterServlet.doPost(WebServiceTesterServlet.java:307)
... 31 more Caused by: com.sun.xml.ws.fault.ServerSOAPFaultException: Client
received SOAP Fault from server: scala/ScalaObject Please see the server log to
find more detail regarding exact cause of the failure. at
com.sun.xml.ws.fault.SOAP11Fault.getProtocolException(SOAP11Fault.java:193) at
com.sun.xml.ws.fault.SOAPFaultBuilder.createException(SOAPFaultBuilder.java:125)
at com.sun.xml.ws.client.sei.StubHandler.readResponse(StubHandler.java:253) at
com.sun.xml.ws.db.DatabindingImpl.deserializeResponse(DatabindingImpl.java:181)
at
com.sun.xml.ws.db.DatabindingImpl.deserializeResponse(DatabindingImpl.java:258)
at
com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:117)
at
com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:91)
at com.sun.xml.ws.client.sei.SEIStub.invoke(SEIStub.java:154) at
com.sun.proxy.$Proxy301.testfiremodel(Unknown Source) ... 36 more
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