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From José Luis Larroque <>
Subject Re: Graph 1.1.0 - Worker failed during input split (currently not supported)
Date Tue, 11 Aug 2015 01:46:07 GMT
Hello everybody. I'm executing a BFS algoritm on giraph, and i hit with
this error. I searched for uppercase letters in the following files:


/usr/local/hadoop/zookeeper/conf/*zoo.cfg* (contains zookeeper

In my entire cluster (one master and two child nodes)*. *I couldn't find a
single uppercase letter in those configurations files. My nodes have this



Is there any file left that i should check in order to detect where is my
mistake? This problem can be related with any other configuration problem?

Thanks Alessio for your contribution, you help me a lot writing this, and
you could help me a lot more if you help me here !! :D

Jose Luis Larroque

Pd: Numbers aren't considered uppercase letters... right?

2015-02-10 5:56 GMT-03:00 Alessio Arleo <>:

> Hello everybody
> I’m here to share my experience with the error “Worker failed during input split
(currently not supported)”. I have seen several help requests in this mailing list asking
for help for this kind of situation, so I’d like to share my experience: it could help at
least some of you.
> This is the incriminated error log:
> > barrierOnWorkerList: Missing chosen workers [Worker(hostname=01hw789772,
> > MRtaskID=1, port=30001)] on superstep -1
> > 2014-11-25 20:55:13,590 ERROR org.apache.giraph.master.MasterThread:
> > masterThread: Master algorithm failed with IllegalStateException
> > java.lang.IllegalStateException: coordinateVertexInputSplits: Worker failed
> > during input split (currently not supported)
> In my case the error was related to Giraph-904 bug (
> In fact, in the first
> line the system logs that there are missing workers (and my hostname was
> written in only lowercase chars, while my former hostname had both
> lowercase and uppercase chars). I managed to solve my issue by using a
> hostname made up by only lowercase chars.
> Hope this helps someone: in the meantime, I’ll report that this issue is
> still open (and not fixed) in Jira.
> ~~~~~~~~~~~~~~~~~~~
> Ing. Alessio Arleo
> Dottorando in Ingegneria Industriale e dell’Informazione
> Dottore Magistrale in Ingegneria Informatica e dell’Automazione
> Dottore in Ingegneria Informatica ed Elettronica
> Linkedin:
> Skype: Ing. Alessio Arleo
> Tel: +39 075 5853920
> Cell: +39 349 0575782
> ~~~~~~~~~~~~~~~~~~~

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