java.lang.NoClassDefFoundError: org/apache/commons/httpclient/URIException | 10 months ago
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    The ranger usersync requires some libraries in users and group sync with FileSourceUserGroupBuilder. - Hortonworks | 10 months ago
    java.lang.NoClassDefFoundError: org/apache/commons/httpclient/URIException
  2. 0

    After upgrading from HDP 2.3.2 to HDP 2.4. Ranger user sync fails due to the following error: org/apache/commons/httpclient/URIException: 19 May 2016 18:15:34 ERROR UserGroupSync [UnixUserSyncThread] - Failed to initialize UserGroup source/sink. Will retry after 60000 milliseconds. Error details: java.lang.NoClassDefFoundError: org/apache/commons/httpclient/URIException at org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.delXUserGroupInfo( at org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.delXUserGroupInfo( at org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.addOrUpdateUser( at org.apache.ranger.unixusersync.process.UnixUserGroupBuilder.updateSink( at at Caused by: java.lang.ClassNotFoundException: org.apache.commons.httpclient.URIException at$ at$ at Method) at at java.lang.ClassLoader.loadClass( at sun.misc.Launcher$AppClassLoader.loadClass( at java.lang.ClassLoader.loadClass( ... 6 more

    Apache's JIRA Issue Tracker | 1 year ago | Kalexin Baoerjiin
    java.lang.NoClassDefFoundError: org/apache/commons/httpclient/URIException
  3. 0
    samebug tip
    A few things cause this exception: 1) Check if you have all jars and if they're in the correct path when running. 2) Your classpath might be broken, you can define it in the command line with "java -cp yourClassPath" or at your IDE if you're using one.
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  5. 0
    samebug tip
    If you're using Hibernate, this indicates you're missing FasterXML Classmate dependency, which you can add to your dependencies. To add it, the groupId is com.fasterxml and artifactId is Classmate.
  6. 0
    samebug tip
    Check if you didn't forget to instantiate your topic in the kafka broker.

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Root Cause Analysis

  1. java.lang.ClassNotFoundException


  2. Java RT
    2. java.lang.ClassLoader.loadClass(
    3. sun.misc.Launcher$AppClassLoader.loadClass(
    4. java.lang.ClassLoader.loadClass(
    4 frames
  3. org.apache.ranger
    1. org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.delXUserGroupInfo(
    2. org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.delXUserGroupInfo(
    3. org.apache.ranger.unixusersync.process.PolicyMgrUserGroupBuilder.addOrUpdateUser(
    4. org.apache.ranger.unixusersync.process.FileSourceUserGroupBuilder.updateSink(
    5. org.apache.ranger.usergroupsync.UserGroupSync.syncUserGroup(
    6 frames
  4. Java RT
    1 frame