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From Christopher <ctubb...@apache.org>
Subject Re: openjdk, Accumulo master state doesn't change from HAVE_LOCK to NORMAL
Date Thu, 01 Dec 2016 22:34:23 GMT
This issue described doesn't seem related to the JDK. Yes, you should
expect Accumulo to work with OpenJDK. While we don't prescribe a JDK for
users, most of the developers have an interest in ensuring at least OpenJDK
and Oracle JDK work well. A few people care about IBM JDK also, and we
accept contributions to fix issues relevant to IBM JDK.

Personally, I use OpenJDK 8 exclusively, and haven't seen this issue.

On Thu, Dec 1, 2016 at 5:24 PM Jayesh Patel <jpatel@keywcorp.com> wrote:

> Accumulo 1.7.0 with HDFS 2.7.1
>
>
>
> I was experimenting with openjdk instead of Oracle JRE for Accumulo and
> ran into this issue.  It seems like because it never transitions from
> HAVE_LOCK to NORMAL, it never gets around to start the thrift server.
> Changing back to Oracle JRE didn’t make a difference.
>
>
>
> Here’s what I get in the logs for the master:
>
> 2016-12-01 17:01:07,970 [trace.DistributedTrace] INFO : SpanReceiver
> org.apache.accumulo.tracer.ZooTraceCli
>
> ent was loaded successfully.
>
> 2016-12-01 17:01:07,971 [master.Master] INFO : trying to get master lock
>
> 2016-12-01 17:01:07,987 [master.EventCoordinator] INFO : State changed
> from INITIAL to HAVE_LOCK
>
> 2016-12-01 17:01:08,038 [master.Master] INFO : New servers:
> [instance-accumulo:9997[258ac79197e000d]]
>
>
>
> On the successful install it transitions right away to NORMAL and goes on
> the listen on port 9999:
>
> 2015-06-07 17:50:35,393 [master.Master] INFO : trying to get master lock
>
> 2015-06-07 17:50:35,408 [master.EventCoordinator] INFO : State changed
> from INITIAL to HAVE_LOCK
>
> 2015-06-07 17:50:35,432 [master.EventCoordinator] INFO : State changed
> from HAVE_LOCK to NORMAL
>
> 2015-06-07 17:50:35,524 [balancer.TableLoadBalancer] INFO : Loaded class
> org.apache.accumulo.server.master.balancer.DefaultLoadBalancer for table !0
>
> 2015-06-07 17:50:35,631 [master.Master] INFO : Setting master lock data to
> 127.0.0.1:9999
>
>
>
> I found ACCUMULO-4513
> <https://issues.apache.org/jira/browse/ACCUMULO-4513>, but it doesn’t
> seem relevant as I didn’t try to stop.
>
>
>
> Any ideas as to what is going on?
>
>
>
> HDFS seems fine based on my limited tests with openjdk 1.8.  I did find
> some old posts about Accumulo issues with IBM JDK.  Should I expect
> Accumulo to work with openjdk?
>
>
>
> Thank you,
> Jayesh
>
>
>

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