Program: 149020
Project: 149020
Buggy source:
@Override public boolean performFinish(){
  WSTransformerV2 transformer=new WSTransformerV2();
  try {
    WSTransformerProcessStep[] steps=new WSTransformerProcessStep[2];
    WSTransformerVariablesMapping[] input=new WSTransformerVariablesMapping[1];
    input[0]=new WSTransformerVariablesMapping("String_Node_Str","String_Node_Str",null);
    WSTransformerVariablesMapping[] output=new WSTransformerVariablesMapping[1];
    output[0]=new WSTransformerVariablesMapping("String_Node_Str","String_Node_Str",null);
    steps[0]=new WSTransformerProcessStep("String_Node_Str","String_Node_Str","String_Node_Str" + "String_Node_Str" + "String_Node_Str",input,output,false);
    input=new WSTransformerVariablesMapping[1];
    input[0]=new WSTransformerVariablesMapping("String_Node_Str","String_Node_Str",null);
    output=new WSTransformerVariablesMapping[1];
    output[0]=new WSTransformerVariablesMapping("String_Node_Str","String_Node_Str",null);
    String parameter="String_Node_Str";
    WSString config=Util.getPort(xobject).getServiceConfiguration(new WSServiceGetConfiguration("String_Node_Str","String_Node_Str"));
    String configuration=config.getValue() == null ? "String_Node_Str" : config.getValue();
    if (configuration.length() > 0) {
      Element e=Util.parse(configuration).getDocumentElement();
      String initialContextFactory=Util.getFirstTextNode(e,"String_Node_Str");
      String providerURL=Util.getFirstTextNode(e,"String_Node_Str");
      String apiType=Util.getFirstTextNode(e,"String_Node_Str");
      configuration="String_Node_Str" + initialContextFactory + "String_Node_Str";
      configuration=configuration + "String_Node_Str" + providerURL+ "String_Node_Str";
      configuration=configuration + "String_Node_Str" + apiType+ "String_Node_Str";
    }
    parameter=parameter + configuration + "String_Node_Str";
    WSWorkflowProcessDefinitionUUID uuid=(WSWorkflowProcessDefinitionUUID)xobject.getWsKey();
    String process="String_Node_Str" + uuid.getProcessName() + "String_Node_Str";
    process=process + "String_Node_Str" + uuid.getProcessVersion()+ "String_Node_Str";
    parameter=parameter + process + variableext.getText();
    parameter=parameter + "String_Node_Str";
    steps[1]=new WSTransformerProcessStep("String_Node_Str","String_Node_Str",parameter,input,output,false);
    transformer.setName("String_Node_Str" + uuid.getProcessName() + "String_Node_Str");
    transformer.setDescription("String_Node_Str" + uuid.getProcessName() + "String_Node_Str");
    transformer.setProcessSteps(steps);
    Util.getPort(xobject).putTransformerV2(new WSPutTransformerV2(transformer));
  }
 catch (  Exception e) {
    e.printStackTrace();
  }
  new ServerRefreshAction(view,xobject.getServerRoot()).run();
  return true;
}

Fixed version (ground truth):
@Override public boolean performFinish(){
  WSTransformerV2 transformer=new WSTransformerV2();
  try {
    WSTransformerProcessStep[] steps=new WSTransformerProcessStep[2];
    WSTransformerVariablesMapping[] input=new WSTransformerVariablesMapping[1];
    input[0]=new WSTransformerVariablesMapping("String_Node_Str","String_Node_Str",null);
    WSTransformerVariablesMapping[] output=new WSTransformerVariablesMapping[1];
    output[0]=new WSTransformerVariablesMapping("String_Node_Str","String_Node_Str",null);
    steps[0]=new WSTransformerProcessStep("String_Node_Str","String_Node_Str","String_Node_Str" + "String_Node_Str" + "String_Node_Str",input,output,false);
    input=new WSTransformerVariablesMapping[1];
    input[0]=new WSTransformerVariablesMapping("String_Node_Str","String_Node_Str",null);
    output=new WSTransformerVariablesMapping[1];
    output[0]=new WSTransformerVariablesMapping("String_Node_Str","String_Node_Str",null);
    String parameter="String_Node_Str";
    WSWorkflowProcessDefinitionUUID uuid=(WSWorkflowProcessDefinitionUUID)xobject.getWsKey();
    String process="String_Node_Str" + uuid.getProcessName() + "String_Node_Str";
    process=process + "String_Node_Str" + uuid.getProcessVersion()+ "String_Node_Str";
    parameter=parameter + process + variableext.getText();
    parameter=parameter + "String_Node_Str";
    steps[1]=new WSTransformerProcessStep("String_Node_Str","String_Node_Str",parameter,input,output,false);
    transformer.setName("String_Node_Str" + uuid.getProcessName() + "String_Node_Str");
    transformer.setDescription("String_Node_Str" + uuid.getProcessName() + "String_Node_Str");
    transformer.setProcessSteps(steps);
    Util.getPort(xobject).putTransformerV2(new WSPutTransformerV2(transformer));
  }
 catch (  Exception e) {
    e.printStackTrace();
  }
  new ServerRefreshAction(view,xobject.getServerRoot()).run();
  return true;
}