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Posted to dev@ranger.apache.org by "Qiang Zhang (JIRA)" <ji...@apache.org> on 2018/03/27 03:11:00 UTC
[jira] [Assigned] (RANGER-1989) Ranger Admin may fail to start
after enabling SSLHadoop GroupMapping
[ https://issues.apache.org/jira/browse/RANGER-1989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Qiang Zhang reassigned RANGER-1989:
-----------------------------------
Assignee: Qiang Zhang
> Ranger Admin may fail to start after enabling SSLHadoop GroupMapping
> --------------------------------------------------------------------
>
> Key: RANGER-1989
> URL: https://issues.apache.org/jira/browse/RANGER-1989
> Project: Ranger
> Issue Type: Bug
> Components: admin
> Affects Versions: 0.7.0
> Reporter: Hajime Osako
> Assignee: Qiang Zhang
> Priority: Major
>
> Opening this Jira to request Ranger community to add commons-io-x.y.jar in the classpath with default installation.
> Thank you.
>
> After setting up Hadoop GroupMapping with "hadoop.security.group.mapping.provider.ldap.bind.password.*file*" for HDFS and YARN, Ranger Admin may fail to start if SSL is enabled.
> The following error is in catalina.out:
> {noformat}
> Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/io/Charsets
> at org.apache.hadoop.security.LdapGroupsMapping.extractPassword(LdapGroupsMapping.java:667)
> at org.apache.hadoop.security.LdapGroupsMapping.setConf(LdapGroupsMapping.java:588)
> ...{noformat}
> This is because, in LdapGroupsMapping.setConf() above, if ".bind.password" is empty, it tries to extract from ".bind.password.file" with extractPassword(), and inside of this method org.apache.commons.io.Charsets is used, however, commons-io.jar doesn't seem to be in the Ranger Admin classpath.
> h3. WORKAROUND:
> An example of workarounds is simply copying commons-io-x.y.jar, like below:
> cp -p /usr/hdp/current/ranger-admin/ews/webapp/WEB-INF/lib/commons-io-2.4.jar /usr/hdp/current/ranger-admin/ews/lib/
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