Program: 72724
Project: 72724
Buggy source:
/** 
 * If this GeneratorAttribute has not yet been initialized, the initialized it by reading the moml file named by the initialParametersURL and creating Parameters and Variables accordingly.
 */
public void initialize() throws IllegalActionException, NameDuplicationException {
  if (_initialized) {
    return;
  }
  if (initialParametersURL == null) {
    throw new IllegalActionException(this,"String_Node_Str" + "String_Node_Str");
  }
  URL initialParameters=getClass().getClassLoader().getResource(initialParametersURL.getExpression());
  if (initialParameters == null) {
    throw new IllegalActionException(this,"String_Node_Str" + "String_Node_Str" + "String_Node_Str" + initialParametersURL.getExpression() + "String_Node_Str");
  }
  BufferedReader inputReader=null;
  try {
    inputReader=new BufferedReader(new InputStreamReader(initialParameters.openStream()));
    String inputLine;
    StringBuffer buffer=new StringBuffer();
    while ((inputLine=inputReader.readLine()) != null) {
      buffer.append(inputLine + "String_Node_Str");
    }
    inputReader.close();
    addChangeListener(this);
    try {
      requestChange(new MoMLChangeRequest(this,this,buffer.toString()));
    }
 catch (    Exception ex) {
      throw new IllegalActionException(this,ex,"String_Node_Str" + buffer.toString());
    }
  }
 catch (  Exception ex) {
    throw new IllegalActionException(this,ex,"String_Node_Str" + initialParametersURL.getExpression() + "String_Node_Str");
  }
 finally {
    try {
      if (inputReader != null) {
        inputReader.close();
      }
    }
 catch (    IOException ex) {
      throw new IllegalActionException(this,ex,"String_Node_Str" + initialParameters + "String_Node_Str");
    }
  }
  _initialized=true;
}

Fixed version (ground truth):
/** 
 * If this GeneratorAttribute has not yet been initialized, the initialized it by reading the moml file named by the initialParametersURL and creating Parameters and Variables accordingly.
 */
public void initialize() throws IllegalActionException, NameDuplicationException {
  if (_initialized) {
    return;
  }
  if (initialParametersURL == null) {
    throw new IllegalActionException(this,"String_Node_Str" + "String_Node_Str");
  }
  URL initialParameters=getClass().getClassLoader().getResource(initialParametersURL.getExpression());
  if (initialParameters == null) {
    throw new IllegalActionException(this,"String_Node_Str" + "String_Node_Str" + "String_Node_Str" + initialParametersURL.getExpression() + "String_Node_Str");
  }
  BufferedReader inputReader=null;
  try {
    inputReader=new BufferedReader(new InputStreamReader(initialParameters.openStream(),"String_Node_Str"));
    String inputLine;
    StringBuffer buffer=new StringBuffer();
    while ((inputLine=inputReader.readLine()) != null) {
      buffer.append(inputLine + "String_Node_Str");
    }
    inputReader.close();
    addChangeListener(this);
    try {
      requestChange(new MoMLChangeRequest(this,this,buffer.toString()));
    }
 catch (    Exception ex) {
      throw new IllegalActionException(this,ex,"String_Node_Str" + buffer.toString());
    }
  }
 catch (  Exception ex) {
    throw new IllegalActionException(this,ex,"String_Node_Str" + initialParametersURL.getExpression() + "String_Node_Str");
  }
 finally {
    try {
      if (inputReader != null) {
        inputReader.close();
      }
    }
 catch (    IOException ex) {
      throw new IllegalActionException(this,ex,"String_Node_Str" + initialParameters + "String_Node_Str");
    }
  }
  _initialized=true;
}