[Axis2] NullPointerException in OutInAxisOperationClient

[Michele Mazzucco]

Hi all,

I'm trying to send a message from a web service A to a web service B,
but I get this exception:

ERROR
ncl.qosp.controller.scheduler.weighted.WeightedAvgRespTimeServiceHandler
- java.lang.NullPointerException
        at
org.apache.axis2.description.OutInAxisOperationClient.execute(OutInAxisOperation.java:260)
        at 
org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:350)
        at 
org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:330)
        at
ncl.qosp.controller.scheduler.weighted.WeightedAvgRespTimeServiceHandler.client(WeightedAvgRespTimeServiceHandler.java:609)
        at
ncl.qosp.controller.scheduler.weighted.WeightedAvgRespTimeServiceHandler.send(WeightedAvgRespTimeServiceHandler.java:560)
        at
ncl.qosp.controller.scheduler.weighted.WeightedAvgRespTimeServiceHandler.addResource(WeightedAvgRespTimeServiceHandler.java:333)
        at
ncl.qosp.controller.scheduler.weighted.WeightedAvgRespTimeScheduler.requireResources(WeightedAvgRespTimeScheduler.java:296)
        at
ncl.qosp.controller.scheduler.weighted.WeightedAvgRespTimeServiceHandler.setOptimalValue(WeightedAvgRespTimeServiceHandler.java:284)
        at
ncl.qosp.controller.scheduler.weighted.WeightedAvgRespTimeScheduler$ReminderTask.reallocateResources(WeightedAvgRespTimeScheduler.java:549)
        at
ncl.qosp.controller.scheduler.weighted.WeightedAvgRespTimeScheduler$ReminderTask.run(WeightedAvgRespTimeScheduler.java:519)
        at java.util.TimerThread.mainLoop(Timer.java:512)
        at java.util.TimerThread.run(Timer.java:462)


The chunk of code generating the above exception is:

EndpointReference targetEPR = new EndpointReference(target);
Options options = new Options();
options.setTo(targetEPR);
options.setAction("urn:echo");
options.setTransportInProtocol(Constants.TRANSPORT_HTTP);
options.setUseSeparateListener(true);

ServiceClient sender = new ServiceClient();
sender.engageModule(new QName(Constants.MODULE_ADDRESSING));
sender.setOptions(options);
                
try {
        sender.sendRobust(r.request);
} catch (Exception e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        e.printStackTrace(pw);
        log.error(sw.getBuffer().toString());
        pw.close();
}


Please note that this code works if a sendReceiveNonBlocking() call is
used instead of sendRobust().


Should I create a JIRA?


Michele

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