What versions are you running? There is a known protobuf 2.5 mismatch, depending on your versions.
Cheers, Tim ----- Original Message ----- > From: "Bharath Bhushan" <manku.ti...@outlook.com> > To: user@spark.apache.org > Sent: Monday, March 31, 2014 8:16:19 AM > Subject: java.lang.ClassNotFoundException - spark on mesos > > I am facing different kinds of java.lang.ClassNotFoundException when trying > to run spark on mesos. One error has to do with > org.apache.spark.executor.MesosExecutorBackend. Another has to do with > org.apache.spark.serializer.JavaSerializer. I see other people complaining > about similar issues. > > I tried with different version of spark distribution - 0.9.0 and > 1.0.0-SNAPSHOT and faced the same problem. I think the reason for this is is > related to the error below. > > $ jar -xf spark-assembly_2.10-0.9.0-incubating-hadoop2.2.0.jar > java.io.IOException: META-INF/license : could not create directory > at sun.tools.jar.Main.extractFile(Main.java:907) > at sun.tools.jar.Main.extract(Main.java:850) > at sun.tools.jar.Main.run(Main.java:240) > at sun.tools.jar.Main.main(Main.java:1147) > > This error happens with all the jars that I created. But the classes that are > already generated is different in the different cases. If JavaSerializer is > not already extracted before encountering META-INF/license, then that class > is not found during execution. If MesosExecutorBackend is not found, then > that class shows up in the mesos slave error logs. Can someone confirm if > this is a valid cause for the problem I am seeing? Any way I can debug this > further? > > — Bharath -- Cheers, Tim Freedom, Features, Friends, First -> Fedora https://fedoraproject.org/wiki/SIGs/bigdata
