Title: Transaction Manager and XAResources Describe the issue: it's not the TransactionManager that should provide the XAResource, but the transactional resource which is JDG. The XAResource can be obtained through Cache.getAdvancedCache().getXAResource() Suggestions for improvement: Additional information:
Scoped for 6.2 Beta release.
The fix for this bug is now generally released and available here: https://access.redhat.com/site/documentation/en-US/Red_Hat_JBoss_Data_Grid/6.2/index.html