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From Andrew Purtell <andrew.purt...@gmail.com>
Subject Re: HBase 0.94 security configurations
Date Thu, 31 May 2012 18:59:30 GMT
Server null usually means you haven't configured hbase.zookeeper.quorum in your client's hbase-site.xml
file. And that is usually because you are using a Configuration not created by HBaseConfiguration.create()

If so the JAAS warning is a red herring. 

On May 31, 2012, at 8:52 PM, Amit Sela <amits@infolinks.com> wrote:

> I'm trying to run a test for HBase (some think we wrote, internal) on my
> laptop - runs perfectly with the old versions of Hadoop, HBase and
> ZooKeeeper.
> 
> After deploying the new versions and re-compiling our code, I run the test.
> 
> When I try to instantiate  "new HBaseAdmin(getConfiguration())" - where the
> configuration is from HBaseTestingUtility, I get the following on the
> console output:
> 
> 2012-05-31 21:36:51.728 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:36:51.741 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:36:51.852 [main]      WARN
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper       - Possibly
> transient ZooKeeper exception:
> org.apache.zookeeper.KeeperException$ConnectionLossException:
> KeeperErrorCode = ConnectionLoss for /hbase/master
> 2012-05-31 21:36:52.847 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:36:52.848 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:36:53.949 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:36:53.951 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:36:54.052 [main]      WARN
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper       - Possibly
> transient ZooKeeper exception:
> org.apache.zookeeper.KeeperException$ConnectionLossException:
> KeeperErrorCode = ConnectionLoss for /hbase/master
> 2012-05-31 21:36:55.052 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:36:55.053 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:36:56.155 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:36:56.156 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:36:57.258 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:36:57.259 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:36:58.360 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:36:58.361 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:36:58.463 [main]      WARN
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper       - Possibly
> transient ZooKeeper exception:
> org.apache.zookeeper.KeeperException$ConnectionLossException:
> KeeperErrorCode = ConnectionLoss for /hbase/master
> 2012-05-31 21:36:59.463 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:36:59.464 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:37:00.565 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:37:00.566 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:37:01.667 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:37:01.668 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:37:02.769 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:37:02.770 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:37:03.871 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:37:03.872 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:37:04.973 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:37:04.973 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:37:06.075 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:37:06.075 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:37:07.176 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.client.ZooKeeperSaslClient              -
> SecurityException: java.lang.SecurityException: Unable to locate a login
> configuration occurred when trying to find JAAS configuration.
> 2012-05-31 21:37:07.177 [main-SendThread(localhost.localdomain:2181)] WARN
> org.apache.zookeeper.ClientCnxn                              - Session 0x0
> for server null, unexpected error, closing socket connection and attempting
> reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.6.0_31]
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> ~[na:1.6.0_31]
> at
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:286)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1035)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> 2012-05-31 21:37:07.278 [main]      WARN
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper       - Possibly
> transient ZooKeeper exception:
> org.apache.zookeeper.KeeperException$ConnectionLossException:
> KeeperErrorCode = ConnectionLoss for /hbase/master
> 2012-05-31 21:37:07.278 [main]      ERROR
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper       - ZooKeeper
> exists failed after 3 retries
> 2012-05-31 21:37:07.280 [main]      WARN
> org.apache.hadoop.hbase.zookeeper.ZKUtil                     - hconnection
> Unable to set watcher on znode /hbase/master
> org.apache.zookeeper.KeeperException$ConnectionLossException:
> KeeperErrorCode = ConnectionLoss for /hbase/master
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1021)
> ~[zookeeper-3.4.3.jar:3.4.3-1240972]
> at
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:150)
> ~[hbase-0.94.0.jar:0.94.0]
> at
> org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndCheckExists(ZKUtil.java:230)
> ~[hbase-0.94.0.jar:0.94.0]
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.start(ZooKeeperNodeTracker.java:82)
> [hbase-0.94.0.jar:0.94.0]
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.ensureZookeeperTrackers(HConnectionManager.java:590)
> [hbase-0.94.0.jar:0.94.0]
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:632)
> [hbase-0.94.0.jar:0.94.0]
> at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:108)
> [hbase-0.94.0.jar:0.94.0]
> ........
> ...... and it repeats itself like that...
> 
> 
> On Thu, May 31, 2012 at 8:52 PM, Elliott Clark <eclark@stumbleupon.com>wrote:
> 
>> Security is optional.  That exception is thrown and then caught during
>> normal startup.  Can you explain what you were trying to do, what happened,
>> and paste bin logs/configs ?
>> 
>> On Thu, May 31, 2012 at 10:35 AM, Amit Sela <amits@infolinks.com> wrote:
>> 
>>> I still don't understand if it is optional to use the security or not ?
>>> 
>>> if i'll set the following in hbase-site.xml:
>>> 
>>> <property>
>>>       <name>hbase.zookeeper.property.requireClientAuthScheme</name>
>>>       <value></value>
>>>       <description>Property from ZooKeeper's config zoo.cfg.
>>>           Authentication scheme.
>>>       </description>
>>> </property>
>>> 
>>> will it cancel the need of sasl-authentication ?
>>> 
>>> If I go back to ZooKeeper 3.3.2 (which doesn't support security) - will
>>> HBase 0.94 and Hadoop 1.0.3 work or must they run with a ZooKeeper that
>>> supports security ?
>>> 
>>> 
>>> On Thu, May 31, 2012 at 7:01 PM, Andrew Purtell <apurtell@apache.org>
>>> wrote:
>>> 
>>>> See https://cwiki.apache.org/ZOOKEEPER/zookeeper-and-sasl.html
>>>> 
>>>> For a fully baked (but simple) example configuration, have a look at
>>>> https://github.com/apurtell/tm-ec2-demo/ . Start with
>>>> 
>>>> 
>>> 
>> https://github.com/apurtell/tm-ec2-demo/blob/master/bin/image/tarball/setup-remote
>>>> 
>>>> On Thu, May 31, 2012 at 8:55 AM, Amit Sela <amits@infolinks.com>
>> wrote:
>>>>> Hi all,
>>>>> 
>>>>> I'm upgrading our cluster with the following versions:
>>>>> HBase 0.90.2 to 0.94.0
>>>>> Hadoop 0.20.3 to 1.0.3
>>>>> zookeeper 3.3.2 to 3.4.3
>>>>> 
>>>>> As a first step, I'm trying to run some tests on my PC and I get a
>>>>> SecurityException from zookeeper:
>>>>> SecurityException: java.lang.SecurityException: Unable to locate a
>>> login
>>>>> configuration occurred when trying to find JAAS configuration.
>>>>> 
>>>>> From what I understand, this means that I have to create a JAAS
>>>>> configuration file and place it in the conf under HBASE_HOME.
>>>>> 
>>>>> First of all, Is there a way to disable the use of the new security
>>>> feature
>>>>> - I'm working on a local test cluster for now and I don't really need
>>>> it...
>>>>> 
>>>>> If I must use a JAAS conf - could anyone elaborate on how to setup
>>>>> everything: Kerberos KDC, JAAS Configuration file, where to put
>>>> everything
>>>>> and anything else I'm missing here.
>>>>> 
>>>>> Thanks.
>>>> 
>>>> 
>>>> 
>>>> --
>>>> Best regards,
>>>> 
>>>>   - Andy
>>>> 
>>>> Problems worthy of attack prove their worth by hitting back. - Piet
>>>> Hein (via Tom White)
>>>> 
>>> 
>> 

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