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https://issues.apache.org/jira/browse/SPARK-5052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrick Wendell resolved SPARK-5052.
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Resolution: Fixed
Fix Version/s: 1.3.0
> com.google.common.base.Optional binary has a wrong method signatures
> --------------------------------------------------------------------
>
> Key: SPARK-5052
> URL: https://issues.apache.org/jira/browse/SPARK-5052
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.2.0
> Reporter: Elmer Garduno
> Fix For: 1.3.0
>
>
> PR https://github.com/apache/spark/pull/1813 shaded Guava jar file and moved
> Guava classes to package org.spark-project.guava when Spark is built by Maven.
> When a user jar uses the actual com.google.common.base.Optional
> transform(com.google.common.base.Function); method from Guava, a
> java.lang.NoSuchMethodError:
> com.google.common.base.Optional.transform(Lcom/google/common/base/Function;)Lcom/google/common/base/Optional;
> is thrown.
> The reason seems to be that the Optional class included on
> spark-assembly-1.2.0-hadoop1.0.4.jar has an incorrect method signature that
> includes the shaded class as an argument:
> Expected:
> javap -classpath
> target/scala-2.10/googlegenomics-spark-examples-assembly-1.0.jar
> com.google.common.base.Optional
> public abstract <V extends java/lang/Object>
> com.google.common.base.Optional<V>
> transform(com.google.common.base.Function<? super T, V>);
> Found:
> javap -classpath lib/spark-assembly-1.2.0-hadoop1.0.4.jar
> com.google.common.base.Optional
> public abstract <V extends java/lang/Object>
> com.google.common.base.Optional<V>
> transform(org.spark-project.guava.common.base.Function<? super T, V>);
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