Program: 12963
Project: 12963
Buggy source:
/** 
 * Executes the task
 * @throws IOException error processing record handler or jdbc connection
 */
public void execute() throws IOException {
  try {
    for (    String tableName : getTableNames()) {
      StringBuilder sb=new StringBuilder();
      ResultSet rs=this.cursor.executeQuery(buildSelect(tableName));
      while (rs.next()) {
        StringBuilder recID=new StringBuilder();
        recID.append("String_Node_Str");
        for (        String idField : getIDFields(tableName)) {
          recID.append("String_Node_Str");
          String id=rs.getString(idField);
          if (id != null) {
            id=id.trim();
          }
          id=SpecialEntities.xmlEncode(id);
          recID.append(id);
        }
        String tableNS="String_Node_Str" + tableName;
        sb=new StringBuilder();
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append(tableNS);
        sb.append("String_Node_Str");
        sb.append(buildTableFieldNS(tableName));
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append(buildTableRecordNS(tableName));
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append(recID);
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append(buildTableType(tableName));
        sb.append("String_Node_Str");
        List<String> dataFieldList;
        if (this.queryStrings != null && this.queryStrings.containsKey(tableName)) {
          dataFieldList=getResultSetFields(rs);
        }
 else {
          dataFieldList=getDataFields(tableName);
        }
        for (        String dataField : dataFieldList) {
          String field=tableNS + "String_Node_Str" + dataField.replaceAll("String_Node_Str","String_Node_Str");
          sb.append("String_Node_Str");
          sb.append(field);
          sb.append("String_Node_Str");
          if (rs.getString(dataField) != null) {
            sb.append(SpecialEntities.xmlEncode(rs.getString(dataField).trim()));
          }
          sb.append("String_Node_Str");
          sb.append(field);
          sb.append("String_Node_Str");
        }
        for (        String relationField : getFkRelationFields(tableName).keySet()) {
          sb.append("String_Node_Str");
          sb.append(tableNS);
          sb.append("String_Node_Str");
          sb.append(relationField.replaceAll("String_Node_Str","String_Node_Str"));
          sb.append("String_Node_Str");
          sb.append(this.buildTableRecordNS(getFkRelationFields(tableName).get(relationField)));
          sb.append("String_Node_Str" + rs.getString(relationField).trim());
          sb.append("String_Node_Str");
        }
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        log.trace("String_Node_Str" + tableName + "String_Node_Str"+ recID);
        this.rh.addRecord(tableName + "String_Node_Str" + recID,sb.toString(),this.getClass());
      }
    }
  }
 catch (  SQLException e) {
    throw new IOException(e.getMessage(),e);
  }
}

Fixed version (ground truth):
/** 
 * Executes the task
 * @throws IOException error processing record handler or jdbc connection
 */
public void execute() throws IOException {
  try {
    for (    String tableName : getTableNames()) {
      StringBuilder sb=new StringBuilder();
      ResultSet rs=this.cursor.executeQuery(buildSelect(tableName));
      while (rs.next()) {
        StringBuilder recID=new StringBuilder();
        recID.append("String_Node_Str");
        for (        String idField : getIDFields(tableName)) {
          recID.append("String_Node_Str");
          String id=rs.getString(idField);
          if (id != null) {
            id=id.trim();
          }
          id=SpecialEntities.xmlEncode(id);
          recID.append(id);
        }
        String tableNS="String_Node_Str" + tableName;
        sb=new StringBuilder();
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append(tableNS);
        sb.append("String_Node_Str");
        sb.append(buildTableFieldNS(tableName));
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append(buildTableRecordNS(tableName));
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append(recID);
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        sb.append(buildTableType(tableName));
        sb.append("String_Node_Str");
        List<String> dataFieldList;
        if (this.queryStrings != null && this.queryStrings.containsKey(tableName)) {
          dataFieldList=getResultSetFields(rs);
        }
 else {
          dataFieldList=getDataFields(tableName);
        }
        for (        String dataField : dataFieldList) {
          String field=tableNS + "String_Node_Str" + dataField.replaceAll("String_Node_Str","String_Node_Str");
          sb.append("String_Node_Str");
          sb.append(SpecialEntities.xmlEncode(field));
          sb.append("String_Node_Str");
          if (rs.getString(dataField) != null) {
            sb.append(SpecialEntities.xmlEncode(rs.getString(dataField).trim()));
          }
          sb.append("String_Node_Str");
          sb.append(SpecialEntities.xmlEncode(field));
          sb.append("String_Node_Str");
        }
        for (        String relationField : getFkRelationFields(tableName).keySet()) {
          String field=tableNS + "String_Node_Str" + relationField.replaceAll("String_Node_Str","String_Node_Str");
          sb.append("String_Node_Str");
          sb.append(SpecialEntities.xmlEncode(field));
          sb.append("String_Node_Str");
          sb.append(this.buildTableRecordNS(getFkRelationFields(tableName).get(relationField)));
          sb.append("String_Node_Str" + rs.getString(relationField).trim());
          sb.append("String_Node_Str");
        }
        sb.append("String_Node_Str");
        sb.append("String_Node_Str");
        log.trace("String_Node_Str" + tableName + "String_Node_Str"+ recID);
        this.rh.addRecord(tableName + "String_Node_Str" + recID,sb.toString(),this.getClass());
      }
    }
  }
 catch (  SQLException e) {
    throw new IOException(e.getMessage(),e);
  }
}