Program: 118428
Project: 118428
Buggy source:
public String exportJob(Processor processor,int statisticsPort,int tracePort,String watchParam,final IProgressMonitor progressMonitor) throws ProcessorException {
  ProcessItem processItem=(ProcessItem)processor.getProperty().getItem();
  processName=processor.getProperty().getLabel();
  archiveFile=Path.fromOSString(CorePlugin.getDefault().getPreferenceStore().getString(ITalendCorePrefConstants.FILE_PATH_TEMP)).append("String_Node_Str" + FileExtensions.ZIP_FILE_SUFFIX).toFile();
  Properties prop=new Properties();
  if (watchParam != null) {
    prop.setProperty(TalendProcessArgumentConstant.ARG_ENABLE_WATCH,watchParam);
  }
  IContext context=processor.getContext();
  if (context != null) {
    List<IContextParameter> contextParameterList=context.getContextParameterList();
    if (contextParameterList != null && contextParameterList.size() > 0) {
      for (      IContextParameter contextParameter : contextParameterList) {
        if (!contextParameter.isPromptNeeded()) {
          continue;
        }
        for (        Object curCType : processItem.getProcess().getContext()) {
          ContextType cType=(ContextType)curCType;
          if (context.getName().equals(cType.getName())) {
            for (            Object curParam : cType.getContextParameter()) {
              ContextParameterType cParamType=(ContextParameterType)curParam;
              if (contextParameter.getName().equals(cParamType.getName())) {
                cParamType.setRawValue(contextParameter.getValue());
              }
            }
          }
        }
      }
    }
  }
  export(progressMonitor,processItem,ERepositoryObjectType.getItemType(processItem),processor.getContext().getName(),archiveFile.toString(),null,false,statisticsPort,tracePort,prop);
  return archiveFile.toString();
}

Fixed version (ground truth):
public String exportJob(Processor processor,int statisticsPort,int tracePort,String watchParam,final IProgressMonitor progressMonitor) throws ProcessorException {
  ProcessItem processItem=(ProcessItem)processor.getProperty().getItem();
  processName=processor.getProperty().getLabel();
  File archiveFile=new File(getTmpExportFolder(),"String_Node_Str" + processName + FileExtensions.ZIP_FILE_SUFFIX);
  Properties prop=new Properties();
  if (watchParam != null) {
    prop.setProperty(TalendProcessArgumentConstant.ARG_ENABLE_WATCH,watchParam);
  }
  IContext context=processor.getContext();
  if (context != null) {
    List<IContextParameter> contextParameterList=context.getContextParameterList();
    if (contextParameterList != null && contextParameterList.size() > 0) {
      for (      IContextParameter contextParameter : contextParameterList) {
        if (!contextParameter.isPromptNeeded()) {
          continue;
        }
        for (        Object curCType : processItem.getProcess().getContext()) {
          ContextType cType=(ContextType)curCType;
          if (context.getName().equals(cType.getName())) {
            for (            Object curParam : cType.getContextParameter()) {
              ContextParameterType cParamType=(ContextParameterType)curParam;
              if (contextParameter.getName().equals(cParamType.getName())) {
                cParamType.setRawValue(contextParameter.getValue());
              }
            }
          }
        }
      }
    }
  }
  export(progressMonitor,processItem,ERepositoryObjectType.getItemType(processItem),processor.getContext().getName(),archiveFile.toString(),null,false,statisticsPort,tracePort,prop);
  return archiveFile.toString();
}