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    java.lang.NullPointerException
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    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.ws.security.message.token.UsernameToken.getFirstNode()
    2. Apache WSS4J
      WSHandler.doSenderAction
      1. org.apache.ws.security.message.token.UsernameToken.getFirstNode(UsernameToken.java:475)
      2. org.apache.ws.security.message.token.UsernameToken.setPassword(UsernameToken.java:413)
      3. org.apache.ws.security.message.WSSecUsernameToken.prepare(WSSecUsernameToken.java:136)
      4. org.apache.ws.security.action.UsernameTokenSignedAction.execute(UsernameTokenSignedAction.java:61)
      5. org.apache.ws.security.handler.WSHandler.doSenderAction(WSHandler.java:193)
      5 frames
    3. WSS4J
      WSDoAllSender.invoke
      1. org.apache.ws.axis.security.WSDoAllSender.invoke(WSDoAllSender.java:170)
      1 frame
    4. Axis Web Services
      Call.invoke
      1. org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
      2. org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
      3. org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
      4. org.apache.axis.client.AxisClient.invoke(AxisClient.java:121)
      5. org.apache.axis.client.Call.invokeEngine(Call.java:2784)
      6. org.apache.axis.client.Call.invoke(Call.java:2767)
      7. org.apache.axis.client.Call.invoke(Call.java:2443)
      8. org.apache.axis.client.Call.invoke(Call.java:2366)
      9. org.apache.axis.client.Call.invoke(Call.java:1812)
      9 frames
    5. org.apache.ws
      Scenario2a.main
      1. org.apache.ws.axis.oasis.ping.PingBindingStub.ping(PingBindingStub.java:159)
      2. org.apache.ws.axis.oasis.Scenario2a.main(Scenario2a.java:86)
      2 frames
    6. interop
      TestScenario2a.testScenario2a
      1. interop.TestScenario2a.testScenario2a(TestScenario2a.java:63)
      1 frame