Recursive delete cause error: result set already closed

Question

hi, will appreciate if someone can help me out on this. i need to delete the thread in a forum such that everytime administrator clicks to delete a thread, i need to recursively delete all the children too. however, when i have a thread with, say 2 children, only the 1st child can be deleted. i got this error msg: result set already closed. below is my codes. anyone can help? thks!
public boolean deleteChat (long lngChatID) {
strSQL = "delete from Chat_Tbl where Chat_Id = ? ";
pst1 = con.prepareStatement(strSQL);
pst1.setLong(1,lngChatID);
intRowsUpdated = pst1.executeUpdate();
strSQL = "select Chat_Id " +
"from Chat_Tbl " +
"where Parent_Id = ? ";
pst1 = con.prepareStatement(strSQL);
pst1.setLong(1,lngChatID);
rs1 = pst1.executeQuery();
while (rs1.next()) {
lngNewChatID = rs1.getLong(1);
deleteChat(lngNewChatID);
}

Answer 1

Hello
strSQL = "delete from Chat_Tbl where Chat_Id = ? ";Can this statement be modified like this
strSQL = "delete from Chat_Tbl where Parent_Id = ? ";
HTH
VJ