Program: 44575
Project: 44575
Buggy source:
/** 
 * {@inheritDoc}
 */
@Override protected JCodeModel generateModel() throws IllegalStateException {
  final JCodeModel codeModel=super.generateModel();
  log=getDefinedClass().field(JMod.PROTECTED | JMod.FINAL,Logger.class,LOG_FIELD_NAME);
  JFieldVar projectCodeVar=null;
  if (!getProjectCode().isEmpty()) {
    projectCodeVar=getDefinedClass().field(JMod.PRIVATE | JMod.STATIC | JMod.FINAL,String.class,"String_Node_Str");
    projectCodeVar.init(JExpr.lit(getProjectCode()));
  }
  final JMethod constructor=getDefinedClass().constructor(JMod.PROTECTED);
  final JVar constructorParam=constructor.param(JMod.FINAL,Logger.class,LOG_FIELD_NAME);
  final JBlock body=constructor.body();
  body.directStatement("String_Node_Str" + log.name() + "String_Node_Str"+ constructorParam.name()+ "String_Node_Str");
  for (  MethodDescriptor methodDesc : methodDescriptor) {
    final JClass returnType=codeModel.ref(methodDesc.returnType());
    final String methodName=methodDesc.name();
    final JMethod jMethod=getDefinedClass().method(JMod.PUBLIC | JMod.FINAL,returnType,methodName);
    jMethod.annotate(Override.class);
    final Message message=methodDesc.message();
    final JMethod msgMethod=addMessageMethod(methodName,message.value());
    if (methodDesc.isLoggerMethod()) {
      createLoggerMethod(methodDesc,jMethod,msgMethod,message.id(),projectCodeVar);
    }
 else {
      createBundleMethod(methodDesc,jMethod,msgMethod,message.id(),projectCodeVar);
    }
  }
  if (extendsBasicLogger) {
    implementBasicLogger(codeModel);
  }
  return codeModel;
}

Fixed version (ground truth):
/** 
 * {@inheritDoc}
 */
@Override protected JCodeModel generateModel() throws IllegalStateException {
  final JCodeModel codeModel=super.generateModel();
  log=getDefinedClass().field(JMod.PROTECTED | JMod.FINAL,Logger.class,LOG_FIELD_NAME);
  JFieldVar projectCodeVar=null;
  if (!getProjectCode().isEmpty()) {
    projectCodeVar=getDefinedClass().field(JMod.PRIVATE | JMod.STATIC | JMod.FINAL,String.class,"String_Node_Str");
    projectCodeVar.init(JExpr.lit(getProjectCode()));
  }
  final JMethod constructor=getDefinedClass().constructor(JMod.PROTECTED);
  final JVar constructorParam=constructor.param(JMod.FINAL,Logger.class,LOG_FIELD_NAME);
  final JBlock body=constructor.body();
  body.directStatement("String_Node_Str" + log.name() + "String_Node_Str"+ constructorParam.name()+ "String_Node_Str");
  for (  MethodDescriptor methodDesc : methodDescriptor) {
    final JClass returnType=codeModel.ref(methodDesc.returnType().getReturnTypeAsString());
    final String methodName=methodDesc.name();
    final JMethod jMethod=getDefinedClass().method(JMod.PUBLIC | JMod.FINAL,returnType,methodName);
    jMethod.annotate(Override.class);
    final Message message=methodDesc.message();
    final JMethod msgMethod=addMessageMethod(methodName,message.value());
    if (methodDesc.isLoggerMethod()) {
      createLoggerMethod(methodDesc,jMethod,msgMethod,message.id(),projectCodeVar);
    }
 else {
      createBundleMethod(methodDesc,jMethod,msgMethod,message.id(),projectCodeVar);
    }
  }
  if (extendsBasicLogger) {
    implementBasicLogger(codeModel);
  }
  return codeModel;
}