REDHAT-BUG-2060725

First published: Fri Mar 04 2022(Updated: )

A memory leak on the jboss client side, when using UserTransaction repeatedly. Such as: private void testTransaction() throws Exception { for(int i=1; i< 500000; i++) { System.out.println("Starting process " + i); // get the UserTransaction and EJB Proxy Context ctx = getInitialContext(host, port, username, password); UserTransaction tx = getUserTransaction(ctx); ControllerRemote cr = (ControllerRemote) ctx.lookup("Controller/Controller" + "!com.test.usertransaction.ControllerRemote"); try { tx.begin(); } catch(Exception ex1) { ex1.printStackTrace(); } //System.out.println("user transaction started"); cr.mainCall(); try { tx.commit();; } catch(Exception ex1) { ex1.printStackTrace(); throw ex1; } //System.out.println("commited user transaction"); if(ctx != null) ctx.close(); } } Transaction is executed by a remote client on a EJB deployed in EAP 7.3. Transaction is iterated for 50000 times.  At the end of the iterations memory leakage is observed. 32% memory is occupied by  org.wildfly.transaction.client.provider.remoting.TransactionClientChannel.

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• source/Red Hat
• alias/CVE-2022-0853
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