​This is interesting.   When i use a purposefully slow set of
3 brokers sharing an NFS 4 mount, I found that it's very
very easy to get them into a bad state.

As simple a procedure as starting them in sequence and
then restarting them in the same sequence nets me errors
like:

2016-02-29 19:17:46,218 [erSimpleAppMain] INFO  Journal
   - Corrupt journal records found in
'/var/log/activemq/activemq-data/amq-dev-2/db-1.log' between offsets:
832..903
2016-02-29 19:17:46,219 [erSimpleAppMain] INFO  Journal
   - Corrupt journal records found in
'/var/log/activemq/activemq-data/amq-dev-2/db-1.log' between offsets: 3687
2016-02-29 19:17:46,219 [erSimpleAppMain] INFO  Journal
   - Corrupt journal records found in
'/var/log/activemq/activemq-data/amq-dev-2/db-1.log' between offsets:
3688..3805
2016-02-29 19:17:46,231 [erSimpleAppMain] INFO  Journal
   - Corrupt journal records found in
'/var/log/activemq/activemq-data/amq-dev-2/db-1.log' between offsets:
4711..4757

I'm going to try again w/o the latency, but so far this isn't
any more promising than the buggy zookeeper code.


Jim

​

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