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From "Patrick Wendell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-5052) com.google.common.base.Optional binary has a wrong method signatures
Date Tue, 27 Jan 2015 01:42:34 GMT

     [ https://issues.apache.org/jira/browse/SPARK-5052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Patrick Wendell updated SPARK-5052:
-----------------------------------
    Assignee: Elmer Garduno

> 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
>            Assignee: 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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