Github user darose commented on the pull request:
https://github.com/apache/spark/pull/468#issuecomment-41797308
What I can confirm is that trying to remove the jets3t 0.7 jars from the
CDH spark-core package and replace them with 0.9 jars doesn't fix the issue.
(I'm guessing because spark was built against the 0.7 jars.) Results in a
verifier error:
Location:
org/apache/hadoop/fs/s3native/Jets3tNativeFileSystemStore.initialize(Ljava/net/URI;Lorg/apache/hadoop/conf/Configuration;)V
@38: invokespecial
Reason:
Type 'org/jets3t/service/security/AWSCredentials' (current frame,
stack[3]) is not assignable to 'org/jets3t/service/security/ProviderCredentials'
So what options do I have to get spark working on Hadoop 2.3 until
SPARK-1556 gets fixed. (And deployed to an update of CDH.) I'm guessing my
only recourse is to build spark from source? (After tweaking the
project/SparkBuild.scala file to update it to "net.java.dev.jets3t" %
"jets3t" % "0.9.0")
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