[jboss-user] [JBossCache] - Re: Problem with transaction timeout [critical]

[jacek187]

Simplest as possible working example for this issue:

  | package test;
  | 
  | import javax.naming.InitialContext;
  | import javax.transaction.Synchronization;
  | import javax.transaction.Transaction;
  | import javax.transaction.TransactionManager;
  | 
  | public class RollbackTest {
  | 	public static void test(){
  | 		try{
  | 		InitialContext ic = new InitialContext();
  | 		TransactionManager tm = (TransactionManager)ic.lookup( "javax.transaction.TransactionManager" );
  | 		try {
  | 				tm.setTransactionTimeout(1);//set 1 sec transaction timeout
  | 				tm.begin();//start transaction
  | 				Transaction t = tm.getTransaction();
  | 				t.registerSynchronization(new Synchronization() {//add new synchronization handler
  | 
  | 					public void afterCompletion(int arg0) {
  | 						System.out.println("After:"+Thread.currentThread().hashCode());
  | 					}
  | 
  | 					public void beforeCompletion() {
  | 						System.out.println("Before:"+Thread.currentThread().hashCode());
  | 					}
  | 				});
  | 				Thread.sleep(20000);//wait 20 secs
  | 				System.out.println("Transaction before commit:"+Thread.currentThread().hashCode());
  | 				tm.commit();//try commit tranwsaction, TransactionTimedOut exception should be throwed
  | 				System.out.println("Transaction after commit:"+Thread.currentThread().hashCode());
  | 			} catch (Exception e) {
  | 				System.out.println("Fake method error: " + e.getMessage());
  | 			}
  | 		}catch(Exception e){
  | 			e.printStackTrace();
  | 		}
  | 	}
  | }
  | 

Run this code from any non-transactional context, for example from jsp page.

  | <jsp:directive.page import="test.RollbackTest"/>Hello!!
  | <%
  | 	RollbackTest.test();
  | %>
  | 

Output is:
After:-1257420086
Transaction before commit:668113225
Fake method error: Transaction timed out after 0 seconds 
BEA1-00058EF7774602E8BAA1

Note:
when you set sleep() value less than 10 secs, weblogic dosen't create separate thread for rollback!

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