Hi Andrea, can it be that the alluxio.hadoop.FileSystem is not in your classpath? Have you put the respective jar file in Flink’s lib folder?
Cheers, Till On Tue, Mar 15, 2016 at 12:55 PM, Andrea Sella <andrea.se...@radicalbit.io> wrote: > Hi Till, > > I've tried your suggestion (source-code > <https://github.com/alkagin/alluxio-wordcount/>) and now it throws: > java.lang.RuntimeException: java.lang.ClassNotFoundException: Class > alluxio.hadoop.FileSystem not found. > The core-site.xml has been set correctly and into the alluxio-wordcount > jar is present alluxio-client. Do I need to specify the hadoop > configuration via code or core-site.xml is enough? > > Thank you again, > Andrea > > 2016-03-14 17:28 GMT+01:00 Till Rohrmann <trohrm...@apache.org>: > >> Hi Andrea, >> >> the problem won’t be netty-all but netty, I suspect. Flink is using >> version 3.8 whereas alluxio-core-client uses version 3.2.2. I think you >> have to exclude or shade this dependency away. >> >> Cheers, >> Till >> >> >> On Mon, Mar 14, 2016 at 5:12 PM, Andrea Sella <andrea.se...@radicalbit.io >> > wrote: >> >>> Hi Till, >>> I tried to downgrade the Alluxio's netty version from 4.0.28.Final to >>> 4.0.27.Final to align Flink and Alluxio dependencies. First of all, Flink >>> 1.0.0 uses 4.0.27.Final, is it correct? Btw it doesn't work, same error as >>> above. >>> >>> BR, >>> Andrea >>> >>> 2016-03-14 15:30 GMT+01:00 Till Rohrmann <trohrm...@apache.org>: >>> >>>> Yes it seems as if you have a netty version conflict. Maybe the >>>> alluxio-core-client.jar pulls in an incompatible netty version. Could you >>>> check whether this is the case? But maybe you also have another >>>> dependencies which pulls in a wrong netty version, since the Alluxio >>>> documentation indicates that it works with Flink (but I cannot tell for >>>> which version). >>>> >>>> Cheers, >>>> Till >>>> >>>> On Mon, Mar 14, 2016 at 3:18 PM, Andrea Sella < >>>> andrea.se...@radicalbit.io> wrote: >>>> >>>>> Hi to all, >>>>> >>>>> I'm trying to integrate Alluxio and Apache Flink, I followed Running >>>>> Flink on Alluxio >>>>> <http://www.alluxio.org/documentation/en/Running-Flink-on-Alluxio.html> to >>>>> setup Flink. >>>>> >>>>> I tested in local mode executing: >>>>> >>>>> bin/flink run ./examples/batch/WordCount.jar --input >>>>> alluxio:///flink/README.txt >>>>> >>>>> But I've faced a TimeoutException, I attach the logs. It seems the >>>>> trouble is due to netty dependencies-conflict. >>>>> >>>>> Thank you, >>>>> Andrea >>>>> >>>>> >>>>> >>>> >>> >> >
