phoenix-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From ashish tapdiya <ashishtapd...@gmail.com>
Subject Re: java.lang.OutOfMemoryError: unable to create new native thread
Date Sun, 19 Oct 2014 20:30:13 GMT
Hi Vikas,

Thanks for the reply. A Ubuntu Trusty update was stopped in between and
that caused a resource leak.

~Ashish

On Fri, Oct 17, 2014 at 10:07 PM, Vikas Agarwal <vikas@infoobjects.com>
wrote:

> Some other process on the same machine is creating many threads and it is
> reaching the machine's limit which is 1024 by default (check with ulimit
> -a). This process may be some database which has thread leak (we had
> similar issue with Cassandra) or your own utility processes running in
> background.
>
> On Sat, Oct 18, 2014 at 4:07 AM, ashish tapdiya <ashishtapdiya@gmail.com>
> wrote:
>
>> Hi,
>>
>> I am getting a weird error:
>>
>>
>> java.sql.SQLException: java.lang.OutOfMemoryError: unable to create new
>> native thread
>>         at
>> org.apache.phoenix.query.ConnectionQueryServicesImpl.metaDataCoprocessorExec(ConnectionQueryServicesImpl.java:887)
>>         at
>> org.apache.phoenix.query.ConnectionQueryServicesImpl.getTable(ConnectionQueryServicesImpl.java:1019)
>>         at
>> org.apache.phoenix.schema.MetaDataClient.updateCache(MetaDataClient.java:303)
>>         at
>> org.apache.phoenix.schema.MetaDataClient.updateCache(MetaDataClient.java:272)
>>         at
>> org.apache.phoenix.compile.FromCompiler$BaseColumnResolver.createTableRef(FromCompiler.java:289)
>>         at
>> org.apache.phoenix.compile.FromCompiler$SingleTableColumnResolver.<init>(FromCompiler.java:210)
>>         at
>> org.apache.phoenix.compile.FromCompiler.getResolverForMutation(FromCompiler.java:184)
>>         at
>> org.apache.phoenix.compile.UpsertCompiler.compile(UpsertCompiler.java:241)
>>         at
>> org.apache.phoenix.jdbc.PhoenixStatement$ExecutableUpsertStatement.compilePlan(PhoenixStatement.java:442)
>>         at
>> org.apache.phoenix.jdbc.PhoenixStatement$ExecutableUpsertStatement.compilePlan(PhoenixStatement.java:433)
>>         at
>> org.apache.phoenix.jdbc.PhoenixStatement$2.call(PhoenixStatement.java:250)
>>         at
>> org.apache.phoenix.jdbc.PhoenixStatement$2.call(PhoenixStatement.java:242)
>>         at
>> org.apache.phoenix.util.PhoenixContextExecutor.call(PhoenixContextExecutor.java:54)
>>         at
>> org.apache.phoenix.jdbc.PhoenixStatement.executeMutation(PhoenixStatement.java:241)
>>         at
>> org.apache.phoenix.jdbc.PhoenixPreparedStatement.executeUpdate(PhoenixPreparedStatement.java:168)
>>         at
>> PrepareLockTables.populateLockTables(PrepareLockTables.java:215)
>>         at PrepareLockTables.main(PrepareLockTables.java:36)
>> Caused by: java.lang.OutOfMemoryError: unable to create new native thread
>>         at java.lang.Thread.start0(Native Method)
>>         at java.lang.Thread.start(Thread.java:714)
>>         at
>> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
>>         at
>> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1360)
>>         at
>> java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:132)
>>         at
>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processExecs(HConnectionManager.java:1599)
>>         at
>> org.apache.phoenix.query.ConnectionQueryServicesImpl.metaDataCoprocessorExec(ConnectionQueryServicesImpl.java:867)
>>         ... 16 more
>>
>>
>>
>> I have written a simple database population script which is populating
>> around 100k rows in a table. I am not creating any threads in my script;
>> however, I get this error.
>>
>> Cluster was working fine for 5 months. However, all of a sudden i am
>> getting this client error.
>>
>> ~Ashish
>>
>
>
>
> --
> Regards,
> Vikas Agarwal
> 91 – 9928301411
>
> InfoObjects, Inc.
> Execution Matters
> http://www.infoobjects.com
> 2041 Mission College Boulevard, #280
> Santa Clara, CA 95054
> +1 (408) 988-2000 Work
> +1 (408) 716-2726 Fax
>
>

Mime
View raw message