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https://issues.apache.org/jira/browse/SPARK-1875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14001458#comment-14001458
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Sean Owen commented on SPARK-1875:
----------------------------------

Yeah, my experience "in the trenches" suggests that commons-lang 2.x is 
well-behaved with respect to minor versions. It will be OK for dependency 
resolution to pick 2.6, for example, and have it work with components that want 
2.4. 

> NoClassDefFoundError: StringUtils when building against Hadoop 1
> ----------------------------------------------------------------
>
>                 Key: SPARK-1875
>                 URL: https://issues.apache.org/jira/browse/SPARK-1875
>             Project: Spark
>          Issue Type: Bug
>            Reporter: Matei Zaharia
>            Assignee: Guoqiang Li
>            Priority: Blocker
>             Fix For: 1.0.0
>
>
> Maybe I missed something, but after building an assembly with Hadoop 1.2.1 
> and Hive enabled, if I go into it and run spark-shell, I get this:
> {code}
> java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
>       at 
> org.apache.hadoop.metrics2.lib.MetricMutableStat.<init>(MetricMutableStat.java:59)
>       at 
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl.<init>(MetricsSystemImpl.java:75)
>       at 
> org.apache.hadoop.metrics2.impl.MetricsSystemImpl.<init>(MetricsSystemImpl.java:120)
>       at 
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<init>(DefaultMetricsSystem.java:37)
>       at 
> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<clinit>(DefaultMetricsSystem.java:34)
>       at 
> org.apache.hadoop.security.UgiInstrumentation.create(UgiInstrumentation.java:51)
>       at 
> org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:216)
>       at 
> org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:184)
>       at 
> org.apache.hadoop.security.UserGroupInformation.isSecurityEnabled(UserGroupInformation.java:236)
>       at 
> org.apache.hadoop.security.KerberosName.<clinit>(KerberosName.java:79)
>       at 
> org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:209)
>       at 
> org.apache.hadoop.security.UserGroupInformation.setConfiguration(UserGroupInformation.java:226)
>       at 
> org.apache.spark.deploy.SparkHadoopUtil.<init>(SparkHadoopUtil.scala:36)
>       at 
> org.apache.spark.deploy.SparkHadoopUtil$.<init>(SparkHadoopUtil.scala:109)
>       at 
> org.apache.spark.deploy.SparkHadoopUtil$.<clinit>(SparkHadoopUtil.scala)
>       at org.apache.spark.SparkContext.<init>(SparkContext.scala:228)
> {code}



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