java.lang.NullPointerException

Stack Overflow | christ.f | 4 months ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.

Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at org.wso2.carbon.apimgt.usage.publisher.APIMgtUsageDataBridgeDataPublisher.publishEvent()
  2. org.wso2.carbon
    APIMgtResponseHandler.mediate
    1. org.wso2.carbon.apimgt.usage.publisher.APIMgtUsageDataBridgeDataPublisher.publishEvent(APIMgtUsageDataBridgeDataPublisher.java:140)
    2. org.wso2.carbon.apimgt.usage.publisher.APIMgtResponseHandler.mediate(APIMgtResponseHandler.java:211)
    2 frames
  3. Apache Synapse - Core
    SynapseCallbackReceiver.receive
    1. org.apache.synapse.mediators.ext.ClassMediator.mediate(ClassMediator.java:84)
    2. org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:81)
    3. org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:48)
    4. org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:155)
    5. org.apache.synapse.rest.Resource.process(Resource.java:297)
    6. org.apache.synapse.rest.API.process(API.java:335)
    7. org.apache.synapse.rest.RESTRequestHandler.dispatchToAPI(RESTRequestHandler.java:86)
    8. org.apache.synapse.rest.RESTRequestHandler.process(RESTRequestHandler.java:52)
    9. org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:295)
    10. org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:529)
    11. org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:172)
    11 frames
  4. org.apache.axis2
    AxisEngine.receive
    1. org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
    1 frame
  5. org.apache.synapse
    ClientWorker.run
    1. org.apache.synapse.transport.passthru.ClientWorker.run(ClientWorker.java:251)
    1 frame
  6. Apache Axis2 - Transport - Base
    NativeWorkerPool$1.run
    1. org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172)
    1 frame
  7. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames