Netlancer created AMQ-5105:
------------------------------

             Summary: leveldb fails to startup because of NoSuchMethodError
                 Key: AMQ-5105
                 URL: https://issues.apache.org/jira/browse/AMQ-5105
             Project: ActiveMQ
          Issue Type: Bug
          Components: activemq-leveldb-store
    Affects Versions: 5.10.0
         Environment: Any
            Reporter: Netlancer
            Priority: Minor


leveldb persistence fails to start due to errors as given below 

 Caused by: java.lang.NoSuchMethodError: 
com.google.common.base.Objects.firstNonNull(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
        at 
com.google.common.cache.CacheBuilder.getKeyStrength(CacheBuilder.java:530)
        at com.google.common.cache.LocalCache.<init>(LocalCache.java:238)
        at 
com.google.common.cache.LocalCache$LocalLoadingCache.<init>(LocalCache.java:4861)
        at com.google.common.cache.CacheBuilder.build(CacheBuilder.java:803)
        at org.iq80.leveldb.impl.TableCache.<init>(TableCache.java:46)
        at org.iq80.leveldb.impl.DbImpl.<init>(DbImpl.java:155)
        at org.iq80.leveldb.impl.Iq80DBFactory.open(Iq80DBFactory.java:59)
        at 
org.apache.activemq.leveldb.LevelDBClient$$anonfun$replay_init$2.apply$mcV$sp(LevelDBClient.scala:661)
        at 
org.apache.activemq.leveldb.LevelDBClient$$anonfun$replay_init$2.apply(LevelDBClient.scala:657)
        at 
org.apache.activemq.leveldb.LevelDBClient$$anonfun$replay_init$2.apply(LevelDBClient.scala:657)
        at 
org.apache.activemq.leveldb.LevelDBClient.might_fail(LevelDBClient.scala:549)

The problem seems to be because of multiple jars having the same classes

guava-12.jar
pax-url-aether-1.5.2.jar

The class present in pax-url-aether-1.5.2.jar gets loaded causing level db to 
fail.



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