Andrew/Jeff,

How's it going? Did you resolve your issue?

Mike

On Tue, Oct 18, 2016 at 10:42 AM, Andrew Hulbert <[email protected]> wrote:

> I think it is attempting to do migrations at the moment FYI
>
> On 10/18/2016 10:40 AM, Andrew Hulbert wrote:
>
> Yes, it looks similar.
>
> Esp these parts:
>
> 2015-11-19 22:43:05,998 [impl.TabletServerBatchReaderIterator] DEBUG: 
> org.apache.thrift.protocol.TProtocolException: Expected protocol id ffffff82 
> but got 19
> java.io.IOException: org.apache.thrift.protocol.TProtocolException: Expected 
> protocol id ffffff82 but got 19
>       at 
> org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:702)
>       at 
> org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator$QueryTask.run(TabletServerBatchReaderIterator.java:349)
>       at org.apache.htrace.wrappers.TraceRunnable.run(TraceRunnable.java:57)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>       at 
> org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35)
>       at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.thrift.protocol.TProtocolException: Expected protocol 
> id ffffff82 but got 19
>       at 
> org.apache.thrift.protocol.TCompactProtocol.readMessageBegin(TCompactProtocol.java:472)
>       at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
>       at 
> org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startMultiScan(TabletClientService.java:317)
>       at 
> org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startMultiScan(TabletClientService.java:297)
>       at 
> org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator.doLookup(TabletServerBatchReaderIterator.java:634)
>       ... 6 more
>
>
>
>
> On 10/18/2016 10:34 AM, Josh Elser wrote:
>
> Or, if it's more convenient, this is the issue I was thinking of:
> https://issues.apache.org/jira/browse/ACCUMULO-4065
>
> Andrew Hulbert wrote:
>
> I'll try to dig up the full error from the tserver
>
>
> On 10/18/2016 10:30 AM, Josh Elser wrote:
>
> Do you have the full exception for the "Expected protocol id.." error?
>
> That looks like it might be incorrect usage of Thrift on our part..
>
> Andrew Hulbert wrote:
>
> Mike,
>
> So backing up and then later deleting the recovery directories a few
> times did the trick. It seemed that removing the initial bad one caused
> the others to go through for the most part...
>
> I believe all the WAL files were there. I'll look for the WAL deleted in
> the GC logs and see if there's any evidence of that. It is version 1.6.4
> by the way. Unfortunately can't send the logs to you here but I did save
> them off and I'll talk to Jeff about what we can do.
>
> We are currently getting a new error that I'm going to look into...
>
> Expected protocol id ffffffff82 but got 0
>
> Expected protocol id ffffffff82 but got 6e
>
> etc.
>
> Looking into that now! Thanks for the help so far, as usual!
>
> Andrew
>
> On 10/18/2016 09:46 AM, Michael Wall wrote:
>
> Andrew,
>
> That is what I was going to suggest you try. Where is that "Unable to
> find recovery files for extent" log? Anyway we can see some actual
> logs?
>
> Are all the WALs there? Do you find any of the WAL deleted by GC in
> the gc logs? Do you find any duplicates WALs in the HDFS trash?
>
> On Tue, Oct 18, 2016 at 9:32 AM, Andrew Hulbert <[email protected]
> <mailto:[email protected]> <[email protected]>> wrote:
>
> Mike,
>
> For one of the WALs I backed up the recovery directory and that
> initiated a new recovery attempt as indicated in the tserver debug
> log...
>
> Then the exception was thrown:
>
> Unable to find recovery files for extent xxxxxx logentry xxxxx
> hdfs://path/to/wal/yyyy
>
> Any ideas? I figure we can zero out the WAL and it will go on with
> life but it would be nice to try and get the data!
>
> Thanks!
>
>
> On 10/18/2016 08:55 AM, Jeff Kubina wrote:
>
>
> On Tue, Oct 18, 2016 at 6:32 AM, Michael Wall <[email protected]
> <mailto:[email protected]> <[email protected]>> wrote:
>
> Take a look at the master logs for where the WAL was sorted
> to the /accumulo/recovery/... directory. Then look to see if
> those WALs are still around and contain content.
>
>
> Checked one of them, yes it is around with content.
>
> Where is this this EOF exception, on a tserver?
>
>
> Yes, the tserver.
>
> Is the master log complaining about anything?
>
>
> Repeating a message similar to the tserver but also that the
> tablet assignment failed for the tserver.
>
> tservers are not balancing because of all this.
>
>
>
>
>
>
>
>
>

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