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From Ashwin Chandra Putta <ashwinchand...@gmail.com>
Subject Re: Retry functionality in Datatorrent
Date Wed, 19 Oct 2016 20:04:40 GMT
What is your HBase client version? Also, what is the version of hadoop on
your cluster?

Make sure that the HBase client version is compatible with the version of
hadoop you are running.

Regards,
Ashwin.

On Wed, Oct 19, 2016 at 12:54 PM, Bandaru, Srinivas <
srinivas.bandaru@optum.com> wrote:

> We have a Hbase client dependency and do not have any Hadoop dependencies
> in project.
>
>
>
> *From:* Ashwin Chandra Putta [mailto:ashwinchandrap@gmail.com]
> *Sent:* Wednesday, October 19, 2016 2:40 PM
> *To:* users@apex.apache.org
> *Subject:* Re: Retry functionality in Datatorrent
>
>
>
> Jaspal,
>
>
>
> Ensure that the app package is not including any hadoop jars as
> dependencies. Check target/deps/
>
>
>
> You can exclude those dependencies in the maven pom file.
>
>
>
> Regards,
>
> Ashwin.
>
>
>
> On Wed, Oct 19, 2016 at 12:09 PM, Jaspal Singh <jaspal.singh1404@gmail.com>
> wrote:
>
> Hi Ashwin, That's correct flow !!
>
> Team - ANother thing we are receiving below exception in the logs and
> application is FAILING when we are trying to make an update to HBase table.
> Any idea what could be the reason ?
>
> Container: container_e32_1476503307399_0172_02_000001 on
> dbslt0079.uhc.com_8091
>
> ============================================================
> =====================
>
> LogType:AppMaster.stderr
>
> Log Upload Time:Wed Oct 19 11:35:36 -0500 2016
>
> LogLength:1246
>
> Log Contents:
>
> SLF4J: Class path contains multiple SLF4J bindings.
>
> SLF4J: Found binding in [jar:file:/opt/mapr/tmp/hadoop-mapr/nm-local-dir/
> usercache/mapr/appcache/application_1476503307399_0172/filecache/26/slf4j-
> log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
>
> SLF4J: Found binding in [jar:file:/opt/mapr/lib/slf4j-
> log4j12-1.7.12.jar!/org/slf4j/impl/StaticLoggerBinder.class]
>
> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
> explanation.
>
> SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
>
> Exception in thread "main" java.lang.IllegalArgumentException: Invalid
> ContainerId: container_e32_1476503307399_0172_02_000001
>
>         at org.apache.hadoop.yarn.util.ConverterUtils.toContainerId(
> ConverterUtils.java:182)
>
>         at com.datatorrent.stram.StreamingAppMaster.main(
> StreamingAppMaster.java:91)
>
> Caused by: java.lang.NumberFormatException: For input string: "e32"
>
>         at java.lang.NumberFormatException.forInputString(
> NumberFormatException.java:65)
>
>         at java.lang.Long.parseLong(Long.java:589)
>
>         at java.lang.Long.parseLong(Long.java:631)
>
>         at org.apache.hadoop.yarn.util.ConverterUtils.
> toApplicationAttemptId(ConverterUtils.java:137)
>
>         at org.apache.hadoop.yarn.util.ConverterUtils.toContainerId(
> ConverterUtils.java:177)
>
>         ... 1 more
>
> End of LogType:AppMaster.stderr
>
>
>
> Thanks!!
>
>
>
> On Tue, Oct 18, 2016 at 7:47 PM, Ashwin Chandra Putta <
> ashwinchandrap@gmail.com> wrote:
>
> Jaspal,
>
>
>
> If I understand this correctly, the flow looks like this.
>
>
>
> REST API --> Kafka topic --> Apex Kafka Input Operator.
>
>
>
> If this is the flow, then the kafka input operator should be reading
> messages from Kafka without losing them. There is no retry attempts
> necessary.
>
>
> Let me know if the understanding of the flow is incorrect.
>
>
>
> Regards,
>
> Ashwin.
>
>
>
> On Tue, Oct 18, 2016 at 2:49 PM, Jaspal Singh <jaspal.singh1404@gmail.com>
> wrote:
>
> Hi Team,
>
> We are pushing messages from Kafka to Datatorrent application using REST
> API service as a producer. If say due to some issue with the service the
> message couldn't be pushed/processed so we want to "retry it for n times"
> before it is dropped.
>
> Is there any retry functionality built within Datatorrent or we have write
> some code logic for the same ??
>
> Thanks!!
>
>
>
>
>
> --
>
>
>
> Regards,
>
> Ashwin.
>
>
>
>
>
>
>
> --
>
>
>
> Regards,
>
> Ashwin.
>
>
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-- 

Regards,
Ashwin.

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