[jboss-jira] [JBoss JIRA] (WFLY-4014) TransactionReaper wedged and not responding to interrupts (ARJUNA012378, ARJUNA012120)

[Arcadiy Ivanov (JIRA)]

Arcadiy Ivanov created WFLY-4014:
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             Summary: TransactionReaper wedged and not responding to interrupts (ARJUNA012378, ARJUNA012120)
                 Key: WFLY-4014
                 URL: https://issues.jboss.org/browse/WFLY-4014
             Project: WildFly
          Issue Type: Bug
          Components: Transactions
    Affects Versions: 8.1.0.Final
            Reporter: Arcadiy Ivanov
            Assignee: Tom Jenkinson


This issue is definitely intermittent and appeared first time ever in several months. It is severe enough, however (server node becomes unresponsive and can only be killed with SIGKILL) that I'm reporting it. 

Issue occurred while running an Arquillian test. I don't know how to reproduce it.

The system is as follows:

* There is a multi-host multi-node WildFly domain cluster residing on a single machine (127.0.0.(1+N) IPs, N > 0).
* There is a multi-node Postgres-XL cluster configured (127.0.1.(1+N) IPs, N > 0) configured. 
* There is a HAJDBC module configured. HAJDBC cluster is configured with datasources from WildFly datasources subsystem which has a datasource for each node of Postgres-XL cluster.

There is [another mention on the Inet of the same problem|https://developer.jboss.org/thread/240172] without such an exotic setup, but rather with simply a MySQL 5.6, although information is scarce.



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