Program: 95605
Project: 95605
Buggy source:
/** 
 * {@inheritDoc} 
 */
public TestErrorEvent execute() throws JBException {
  try {
    String runLocal=getValueForParam(CSConstants.EXEC_CONTEXT);
    TestResultNode resultNode=m_resultTreeTracker.getEndNode();
    if (CSConstants.EXEC_CONTEXT_ITE.equals(runLocal)) {
      String exec=getValueForParam(CSConstants.EXECUTABLE);
      String args=getValueForParam(CSConstants.EXEC_RAW_ARGS);
      boolean newEnvironment=Boolean.valueOf(getValueForParam(CSConstants.NEW_ENVIRONMENT));
      String splitChar=getValueForParam(CSConstants.RAW_ARG_SPLIT_CHAR);
      String encoding=getValueForParam(CSConstants.OUTPUT_ENCODING);
      String dir=getValueForParam(CSConstants.DIR);
      long timeout=Long.parseLong(getValueForParam(CSConstants.TIMEOUT));
      int expectedExitCode=Integer.parseInt(getValueForParam(CSConstants.EXPECTED_EXIT_CODE));
      Result result=CommandExecutor.exec(dir,exec,args,splitChar.charAt(0),timeout,encoding,newEnvironment);
      resultNode.setCommandLog(result.getCombinedOutput());
      int exitCode=result.getReturnValue();
      if (exitCode != expectedExitCode) {
        TestErrorEvent event=EventFactory.createVerifyFailed(String.valueOf(expectedExitCode),String.valueOf(exitCode));
        event.addProp(TestErrorEvent.Property.COMMAND_LOG_KEY,result.getCombinedOutput());
        return event;
      }
    }
 else {
      String sysOutAndErr=m_varStore.getValue(LAST_ACTION_RETURN);
      resultNode.setCommandLog(sysOutAndErr);
    }
  }
 catch (  IllegalCharsetNameException e) {
    return EventFactory.createActionError();
  }
catch (  UnsupportedCharsetException e) {
    return EventFactory.createActionError();
  }
catch (  ExecuteException e) {
    return EventFactory.createActionError();
  }
catch (  IOException e) {
    return EventFactory.createActionError();
  }
catch (  InterruptedException e) {
    return EventFactory.createActionError();
  }
catch (  TimeoutException e) {
    TestErrorEvent event=EventFactory.createActionError(TestErrorEvent.CONFIRMATION_TIMEOUT);
    event.addProp(TestErrorEvent.Property.COMMAND_LOG_KEY,e.getMessage());
    return event;
  }
catch (  IllegalArgumentException e) {
    throw new JBException("String_Node_Str",e,MessageIDs.E_STEP_EXEC);
  }
catch (  InvalidDataException e) {
    throw new JBException("String_Node_Str",e,MessageIDs.E_STEP_EXEC);
  }
  return null;
}

Fixed version (ground truth):
/** 
 * {@inheritDoc} 
 */
public TestErrorEvent execute() throws JBException {
  try {
    String runLocal=getValueForParam(CSConstants.EXEC_CONTEXT);
    TestResultNode resultNode=m_resultTreeTracker.getEndNode();
    if (CSConstants.EXEC_CONTEXT_ITE.equals(runLocal)) {
      String exec=getValueForParam(CSConstants.EXECUTABLE);
      String args=getValueForParam(CSConstants.EXEC_RAW_ARGS);
      boolean newEnvironment=Boolean.valueOf(getValueForParam(CSConstants.NEW_ENVIRONMENT));
      String splitCharValue=getValueForParam(CSConstants.RAW_ARG_SPLIT_CHAR);
      splitCharValue=StringUtils.defaultIfEmpty(splitCharValue,null);
      char splitChar=(splitCharValue == null) ? null : splitCharValue.charAt(0);
      String encoding=getValueForParam(CSConstants.OUTPUT_ENCODING);
      String dir=getValueForParam(CSConstants.DIR);
      long timeout=Long.parseLong(getValueForParam(CSConstants.TIMEOUT));
      int expectedExitCode=Integer.parseInt(getValueForParam(CSConstants.EXPECTED_EXIT_CODE));
      Result result=CommandExecutor.exec(dir,exec,args,splitChar,timeout,encoding,newEnvironment);
      resultNode.setCommandLog(result.getCombinedOutput());
      int exitCode=result.getReturnValue();
      if (exitCode != expectedExitCode) {
        TestErrorEvent event=EventFactory.createVerifyFailed(String.valueOf(expectedExitCode),String.valueOf(exitCode));
        event.addProp(TestErrorEvent.Property.COMMAND_LOG_KEY,result.getCombinedOutput());
        return event;
      }
    }
 else {
      String sysOutAndErr=m_varStore.getValue(LAST_ACTION_RETURN);
      resultNode.setCommandLog(sysOutAndErr);
    }
  }
 catch (  IllegalCharsetNameException e) {
    return EventFactory.createActionError();
  }
catch (  UnsupportedCharsetException e) {
    return EventFactory.createActionError();
  }
catch (  ExecuteException e) {
    return EventFactory.createActionError();
  }
catch (  IOException e) {
    return EventFactory.createActionError();
  }
catch (  InterruptedException e) {
    return EventFactory.createActionError();
  }
catch (  TimeoutException e) {
    TestErrorEvent event=EventFactory.createActionError(TestErrorEvent.CONFIRMATION_TIMEOUT);
    event.addProp(TestErrorEvent.Property.COMMAND_LOG_KEY,e.getMessage());
    return event;
  }
catch (  IllegalArgumentException e) {
    throw new JBException("String_Node_Str",e,MessageIDs.E_STEP_EXEC);
  }
catch (  InvalidDataException e) {
    throw new JBException("String_Node_Str",e,MessageIDs.E_STEP_EXEC);
  }
  return null;
}