Manno15 commented on pull request #2096:
URL: https://github.com/apache/accumulo/pull/2096#issuecomment-847914876
> Nice, did you verify the data after testing?
I have after each test run. No issue with data loss. However, I just re-ran
verify and received an interesting error. The job itself completed successfully
but then ended up with a compactor error. Server logs below.
<details>
```
2021-05-25T10:13:22,937 [compactor.Compactor] ERROR: Unhandled error
occurred in Compactor
java.lang.RuntimeException:
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss for
/accumulo/3737bcb7-377b-4ad9-be42-efede2692e16/coordinators/lock
at
org.apache.accumulo.core.util.compaction.ExternalCompactionUtil.findCompactionCoordinator(ExternalCompactionUtil.java:86)
at
org.apache.accumulo.compactor.Compactor.getCoordinatorClient(Compactor.java:501)
at org.apache.accumulo.compactor.Compactor$5.execute(Compactor.java:473)
at org.apache.accumulo.compactor.Compactor$5.execute(Compactor.java:470)
at
org.apache.accumulo.server.compaction.RetryableThriftCall.run(RetryableThriftCall.java:107)
at
org.apache.accumulo.compactor.Compactor.getNextJob(Compactor.java:490)
at org.apache.accumulo.compactor.Compactor.run(Compactor.java:663)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for
/accumulo/3737bcb7-377b-4ad9-be42-efede2692e16/coordinators/lock
at org.apache.zookeeper.KeeperException.create(KeeperException.java:102)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:2746)
at
org.apache.accumulo.fate.zookeeper.ServiceLock.getLockData(ServiceLock.java:653)
at
org.apache.accumulo.core.util.compaction.ExternalCompactionUtil.findCompactionCoordinator(ExternalCompactionUtil.java:79)
... 7 more
```
```
ERROR: Unable to call shutdownNow
java.lang.NoSuchFieldException: executorService_
at java.lang.Class.getDeclaredField(Class.java:2411) ~[?:?]
at
org.apache.accumulo.server.rpc.TServerUtils.stopTServer(TServerUtils.java:717)
~[accumulo-server-base-2.1.0-SNAPSHOT.jar:2.1.0-SNAPSHOT]
at org.apache.accumulo.compactor.Compactor.run(Compactor.java:793)
~[accumulo-compactor-2.1.0-SNAPSHOT.jar:2.1.0-SNAPSHOT]
at java.lang.Thread.run(Thread.java:829) [?:?]
2021-05-25T10:13:22,939 [compactor.Compactor] INFO : stop requested. exiting
...
2021-05-25T10:13:30,118 [compactor.Compactor] ERROR: Compactor lost lock
(reason = LOCK_DELETED), exiting.
```
</details>
Everything seems to be up in the monitor so I am not quite sure what
happened there.
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