Program: 137732
Project: 137732
Buggy source:
public GenericSQLHandler replaceUDIQueryToMatch(){
  sqlString=sqlString.replace("String_Node_Str" + UDI_WHERE + PluginConstant.SPACE_STRING+ AND_WHERE_CLAUSE,WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + UDI_WHERE + PluginConstant.SPACE_STRING+ AND_WHERE_CLAUSE,AND_WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + UDI_ORDER_BY,PluginConstant.SPACE_STRING);
  sqlString=sqlString.replace("String_Node_Str" + UDI_GROUP_BY,PluginConstant.SPACE_STRING);
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,AND_WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,"String_Node_Str" + WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,"String_Node_Str" + WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + WHERE_CLAUSE,WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str",WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.trim();
  if (sqlString.endsWith("String_Node_Str")) {
    sqlString=sqlString.replace("String_Node_Str",PluginConstant.EMPTY_STRING);
  }
  sqlString=sqlString.trim();
  if (sqlString.endsWith("String_Node_Str")) {
    sqlString=sqlString.replace("String_Node_Str",PluginConstant.EMPTY_STRING);
  }
  sqlString=sqlString.trim();
  return this;
}

Fixed version (ground truth):
public GenericSQLHandler replaceUDIQueryToMatch(){
  sqlString=sqlString.replace("String_Node_Str" + UDI_WHERE + PluginConstant.SPACE_STRING+ AND_WHERE_CLAUSE,WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + UDI_WHERE + PluginConstant.SPACE_STRING+ AND_WHERE_CLAUSE,AND_WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + UDI_ORDER_BY,PluginConstant.SPACE_STRING);
  sqlString=sqlString.replace("String_Node_Str" + UDI_GROUP_BY,PluginConstant.SPACE_STRING);
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,AND_WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,AND_WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,"String_Node_Str" + WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,"String_Node_Str" + WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + AND_WHERE_CLAUSE,WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str" + WHERE_CLAUSE,WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str",WHERE_CLAUSE);
  sqlString=sqlString.replace("String_Node_Str","String_Node_Str");
  sqlString=sqlString.trim();
  if (sqlString.endsWith("String_Node_Str")) {
    sqlString=sqlString.replace("String_Node_Str",PluginConstant.EMPTY_STRING);
  }
  sqlString=sqlString.trim();
  if (sqlString.endsWith("String_Node_Str")) {
    sqlString=sqlString.replace("String_Node_Str",PluginConstant.EMPTY_STRING);
  }
  sqlString=sqlString.trim();
  return this;
}