java.lang.NullPointerException

Stack Overflow | Kevin | 5 months ago
  1. 0

    Server crashes on startup

    GitHub | 2 years ago | matthijs2704
    java.lang.NullPointerException
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  3. 0

    unable to run example program

    GitHub | 2 years ago | tvmanikandan
    java.lang.NullPointerException
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.io.Reader.<init>()
  2. Java RT
    InputStreamReader.<init>
    1. java.io.Reader.<init>(Reader.java:78)
    2. java.io.InputStreamReader.<init>(InputStreamReader.java:72)
    2 frames
  3. org.wso2.carbon
    DataMapperMediator.mediate
    1. org.wso2.carbon.mediator.datamapper.engine.input.readers.JSONInputReader.readFromInputStream(JSONInputReader.java:76)
    2. org.wso2.carbon.mediator.datamapper.engine.input.readers.JSONInputReader.read(JSONInputReader.java:59)
    3. org.wso2.carbon.mediator.datamapper.engine.input.InputBuilder.buildInputModel(InputBuilder.java:59)
    4. org.wso2.carbon.mediator.datamapper.engine.core.mapper.MappingHandler.doMap(MappingHandler.java:67)
    5. org.wso2.carbon.mediator.datamapper.DataMapperMediator.transform(DataMapperMediator.java:306)
    6. org.wso2.carbon.mediator.datamapper.DataMapperMediator.mediate(DataMapperMediator.java:256)
    6 frames
  4. Apache Synapse - Core
    SynapseCallbackReceiver.receive
    1. org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:95)
    2. org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:57)
    3. org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:158)
    4. org.apache.synapse.mediators.eip.aggregator.AggregateMediator.completeAggregate(AggregateMediator.java:447)
    5. org.apache.synapse.mediators.eip.aggregator.AggregateMediator.mediate(AggregateMediator.java:330)
    6. org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:95)
    7. org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:57)
    8. org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:158)
    9. org.apache.synapse.rest.Resource.process(Resource.java:325)
    10. org.apache.synapse.rest.API.process(API.java:338)
    11. org.apache.synapse.rest.RESTRequestHandler.apiProcess(RESTRequestHandler.java:125)
    12. org.apache.synapse.rest.RESTRequestHandler.dispatchToAPI(RESTRequestHandler.java:101)
    13. org.apache.synapse.rest.RESTRequestHandler.process(RESTRequestHandler.java:56)
    14. org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:300)
    15. org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:554)
    16. org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:188)
    16 frames
  5. org.apache.axis2
    AxisEngine.receive
    1. org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
    1 frame
  6. org.apache.synapse
    ClientWorker.run
    1. org.apache.synapse.transport.passthru.ClientWorker.run(ClientWorker.java:255)
    1 frame
  7. Apache Axis2 - Transport - Base
    NativeWorkerPool$1.run
    1. org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172)
    1 frame
  8. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames