[jira] [Commented] (HBASE-5955) Guava 11 drops MapEvictionListener and Hadoop 2.0.0-alpha requires it

["Lars Hofhansl (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-5955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13403565#comment-13403565 ] 

Lars Hofhansl commented on HBASE-5955:
--------------------------------------

I find that I get runtime errors with Hadoop-2 (but not compile time errrors):

{code}
java.lang.NoSuchMethodError: com.google.common.collect.LinkedListMultimap.values()Ljava/util/List;
        at org.apache.hadoop.hdfs.SocketCache.clear(SocketCache.java:131)
        at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:604)
        at org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:506)
        at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2237)
        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2215)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:302)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:158)
        at org.apache.hadoop.hbase.fs.HFileSystem.<init>(HFileSystem.java:62)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:974)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:672)
        at java.lang.Thread.run(Thread.java:619)
{code}

The signature of LinkedListMultiMap.values() has changed to return a List rather than a collection. That would imply that switching out Guava would fail with the reverse problem in Hadoop-1 and before. Sigh.
So this would need to be profile dependent?

                
> Guava 11 drops MapEvictionListener and Hadoop 2.0.0-alpha requires it
> ---------------------------------------------------------------------
>
>                 Key: HBASE-5955
>                 URL: https://issues.apache.org/jira/browse/HBASE-5955
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.94.0
>            Reporter: Andrew Purtell
>            Assignee: Lars Hofhansl
>             Fix For: 0.94.1
>
>
> Hadoop 2.0.0-alpha depends on Guava 11.0.2. Updating HBase dependencies to match produces the following compilation errors:
> {code}
> [ERROR] SingleSizeCache.java:[41,32] cannot find symbol
> [ERROR] symbol  : class MapEvictionListener
> [ERROR] location: package com.google.common.collect
> [ERROR] 
> [ERROR] SingleSizeCache.java:[94,4] cannot find symbol
> [ERROR] symbol  : class MapEvictionListener
> [ERROR] location: class org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache
> [ERROR] 
> [ERROR] SingleSizeCache.java:[94,69] cannot find symbol
> [ERROR] symbol  : class MapEvictionListener
> [ERROR] location: class org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache
> {code}

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