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From "Enrico Olivelli (Jira)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-2365) JAAS configuration section error is confusing
Date Fri, 06 Sep 2019 15:43:11 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-2365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enrico Olivelli updated ZOOKEEPER-2365:
---------------------------------------
    Fix Version/s: 3.5.7

> JAAS configuration section error is confusing
> ---------------------------------------------
>
>                 Key: ZOOKEEPER-2365
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2365
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.4.6
>         Environment: Ubuntu x86_64 openjdk-7-jre
>            Reporter: Dan Fitch
>            Assignee: Biju Nair
>            Priority: Trivial
>             Fix For: 3.6.0, 3.5.6, 3.5.7
>
>         Attachments: ZOOKEEPER-2365-1.patch, ZOOKEEPER-2365.patch
>
>
> I have zookeeper running normally just fine in a 3-server cluster.
> Then I try to configure zookeeper to use Kerberos, following docs in the Solr wiki here:
https://cwiki.apache.org/confluence/display/solr/Kerberos+Authentication+Plugin
> I can't even get to the fun Kerberos errors. When I start with {{JVMFLAGS="-Djava.security.auth.login.config=/opt/zookeeper/jaas-server.conf"}}
> and this jaas-server.conf:
> {code}
> Server {
> com.sun.security.auth.module.Krb5LoginModule required
> useKeyTab=true
> keyTab=/keytabs/vdev-solr-01.keytab
> storeKey=true
> doNotPrompt=true
> useTicketCache=false
> debug=true
> principal="HTTP/<snip>";
> }
> {code}
> I get this in the log:
> {code}
> 2016-02-10 16:16:51,327 [myid:1] - ERROR [main:ServerCnxnFactory@195] - No JAAS configuration
section named 'Server' was foundin '/opt/zookeeper/jaas-server.conf'.
> 2016-02-10 16:16:51,328 [myid:1] - ERROR [main:QuorumPeerMain@89] - Unexpected exception,
exiting abnormally
> java.io.IOException: No JAAS configuration section named 'Server' was foundin '/opt/zookeeper/jaas-server.conf'.
>         at org.apache.zookeeper.server.ServerCnxnFactory.configureSaslLogin(ServerCnxnFactory.java:196)
>         at org.apache.zookeeper.server.NIOServerCnxnFactory.configure(NIOServerCnxnFactory.java:87)
>         at org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:130)
>         at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:111)
>         at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:78)
> {code}
> (Note the "foundin" typo.)
> I get the exact same error if the jaas-server.conf file exists, or does not.
> So later I found that the Solr wiki was wrong and lost the double quotes around the keytab
value. It would be nice if Zookeeper spewed a more useful message when it can't parse the
configuration.



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