Contention on HashTable in com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.java --------------------------------------------------------------------------------------------------- Key: JBTM-218 URL: http://jira.jboss.com/jira/browse/JBTM-218 Project: JBoss Transaction Manager Issue Type: Bug Security Level: Public(Everyone can see) Components: JTA Implementation Affects Versions: 4.2.3.SP3 Reporter: Phillip Thurmond Assigned To: Mark Little Fix For: 4.2.3.SP4 Attachments: concurrent.jar, jbossjta-chm.jar, jbossjta-ht.jar, jbossjta-sm.jar I'm seeing some contention on the object _transactions in the class com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple. Most of the contention happens in the getTransaction() method.