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From Tobias Pfeiffer <...@preferred.jp>
Subject netty on classpath when using spark-submit
Date Tue, 04 Nov 2014 06:50:02 GMT
Hi,

I tried hard to get a version of netty into my jar file created with sbt
assembly that works with all my libraries. Now I managed that and was
really happy, but it seems like spark-submit puts an older version of netty
on the classpath when submitting to a cluster, such that my code ends up
with an NoSuchMethodError:

Code:
  val a = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST,
    "http://localhost")
  val f = new File(a.getClass.getProtectionDomain().
    getCodeSource().getLocation().getPath())
  println(f.getAbsolutePath)
  println("headers: " + a.headers())

When executed with "sbt run":
  ~/.ivy2/cache/io.netty/netty/bundles/netty-3.9.4.Final.jar
  headers: org.jboss.netty.handler.codec.http.DefaultHttpHeaders@64934069

When executed with "spark-submit":
  ~/spark-1.1.0-bin-hadoop2.4/lib/spark-assembly-1.1.0-hadoop2.4.0.jar
  Exception in thread "main" java.lang.NoSuchMethodError:
org.jboss.netty.handler.codec.http.DefaultHttpRequest.headers()Lorg/jboss/netty/handler/codec/http/HttpHeaders;
    ...

How can I get the old netty version off my classpath?

Thanks
Tobias

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