Program: 44576
Project: 44576
Buggy source:
/** 
 * Create the bundle method body.
 * @param methodDesc     the method descriptor.
 * @param method         the method to create the body for.
 * @param msgMethod      the message method for retrieving the message.
 * @param messageId      the message id.
 * @param projectCodeVar the project code variable
 */
private void createBundleMethod(final MethodDescriptor methodDesc,final JMethod method,final JMethod msgMethod,final int messageId,final JVar projectCodeVar){
  final JBlock body=method.body();
  final JClass returnField=getCodeModel().ref(method.type().fullName());
  final JVar result=body.decl(returnField,"String_Node_Str");
  JClass formatter=null;
switch (methodDesc.message().format()) {
case MESSAGE_FORMAT:
    formatter=getCodeModel().ref(java.text.MessageFormat.class);
  break;
case PRINTF:
formatter=getCodeModel().ref(String.class);
break;
}
final JInvocation formatterMethod=formatter.staticInvoke("String_Node_Str");
if (messageId > Message.NONE && projectCodeVar != null) {
String formatedId=String.format(STRING_ID_FORMAT,messageId);
formatterMethod.arg(projectCodeVar.plus(JExpr.lit(formatedId)).plus(JExpr.invoke(msgMethod)));
}
 else {
formatterMethod.arg(JExpr.invoke(msgMethod));
}
for (MethodDescriptor.MethodParameter param : methodDesc.parameters()) {
final JClass paramType=getCodeModel().ref(param.fullType());
JVar paramVar=method.param(JMod.FINAL,paramType,param.name());
formatterMethod.arg(paramVar);
}
result.init(formatterMethod);
body._return(result);
}

Fixed version (ground truth):
/** 
 * Create the bundle method body.
 * @param methodDesc     the method descriptor.
 * @param method         the method to create the body for.
 * @param msgMethod      the message method for retrieving the message.
 * @param messageId      the message id.
 * @param projectCodeVar the project code variable
 */
private void createBundleMethod(final MethodDescriptor methodDesc,final JMethod method,final JMethod msgMethod,final int messageId,final JVar projectCodeVar){
  final JBlock body=method.body();
  final JClass returnField=getCodeModel().ref(method.type().fullName());
  final JVar result=body.decl(returnField,"String_Node_Str");
  JClass formatter=null;
switch (methodDesc.message().format()) {
case MESSAGE_FORMAT:
    formatter=getCodeModel().ref(java.text.MessageFormat.class);
  break;
case PRINTF:
formatter=getCodeModel().ref(String.class);
break;
}
final JInvocation formatterMethod=formatter.staticInvoke("String_Node_Str");
if (messageId > Message.NONE && projectCodeVar != null) {
String formatedId=String.format(STRING_ID_FORMAT,messageId);
formatterMethod.arg(projectCodeVar.plus(JExpr.lit(formatedId)).plus(JExpr.invoke(msgMethod)));
}
 else {
formatterMethod.arg(JExpr.invoke(msgMethod));
}
for (MethodDescriptor.MethodParameter param : methodDesc.parameters()) {
final JClass paramType=getCodeModel().ref(param.fullType());
JVar paramVar=method.param(JMod.FINAL,paramType,param.name());
formatterMethod.arg(paramVar);
}
if (methodDesc.returnType().isException()) {
initCause(result,returnField,body,methodDesc,formatterMethod);
}
 else {
result.init(formatterMethod);
}
body._return(result);
}