title: Internal error while connecting to hadoop dfs
body: <p>I built an eclipse plugin for hadoop-2.3.0. Bundle-classpath is</p>
  
  <pre><code>Bundle-classpath: classes/, 
  lib/hadoop-mapreduce-client-core-${hadoop.version}.jar,
  lib/hadoop-mapreduce-client-common-${hadoop.version}.jar,
  lib/hadoop-mapreduce-client-jobclient-${hadoop.version}.jar,
  lib/hadoop-auth-${hadoop.version}.jar,
  lib/hadoop-common-${hadoop.version}.jar,
  lib/hadoop-hdfs-${hadoop.version}.jar,
  lib/protobuf-java-${protobuf.version}.jar,
  lib/log4j-${log4j.version}.jar,
  lib/commons-cli-1.2.jar,
  lib/commons-configuration-1.6.jar,
  lib/commons-httpclient-3.1.jar,
  lib/commons-lang-2.5.jar,
  lib/commons-collections-${commons-collections.version}.jar,
  lib/jackson-core-asl-1.8.8.jar,
  lib/jackson-mapper-asl-1.8.8.jar,
  lib/slf4j-log4j12-1.7.5.jar,
  lib/slf4j-api-1.7.5.jar,
  lib/guava-${guava.version}.jar,
  lib/netty-${netty.version}.jar
  </code></pre>
  
  <p>I added built jar file hadoop-eclipse-plugin.jar in eclipse\plugins. I am using Eclipse kepler sr2 package. On trying to create a hdfs and connect ..it is generating an internal error--></p>
  
  <pre><code>An internal error occurred during: "Map/Reduce location status updater". org/apache/commons/lang/StringUtils
  </code></pre>
  
  <p>What might have cause this error and how to resolve it? Any help is appriciated.</p>