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From Marc Reichman <mreich...@pixelforensics.com>
Subject Re: remote accumulo instance issue
Date Wed, 08 May 2013 16:45:52 GMT
1.4.1., hadoop 1.0.3.

Just for sanity, I ran 'accumulo classpath' on the cluster and am copying
those exact files to my client side in case there was a mismatch somewhere.


On Wed, May 8, 2013 at 11:43 AM, John Vines <vines@apache.org> wrote:

> What version of Accumulo are you running?
>
> Sent from my phone, please pardon the typos and brevity.
> On May 8, 2013 12:38 PM, "Marc Reichman" <mreichman@pixelforensics.com>
> wrote:
>
>> I can't find anything wrong with the networking. Here is the whole error
>> with stack trace:
>> 2057 [main] WARN org.apache.accumulo.core.client.impl.ServerClient  -
>> Failed to find an available server in the list of servers:
>> [192.168.1.164:9997:9997 (120000), 192.168.1.192:9997:9997 (120000),
>> 192.168.1.194:9997:9997 (120000), 192.168.1.162:9997:9997 (120000),
>> 192.168.1.190:9997:9997 (120000), 192.168.1.166:9997:9997 (120000),
>> 192.168.1.168:9997:9997 (120000), 192.168.1.196:9997:9997 (120000)]
>> Exception in thread "main" java.lang.IncompatibleClassChangeError:
>> Implementing class
>> at java.lang.ClassLoader.defineClass1(Native Method)
>>  at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
>> at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
>>  at
>> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
>> at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
>>  at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
>> at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
>>  at java.security.AccessController.doPrivileged(Native Method)
>> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>>  at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>>  at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>> at
>> org.apache.accumulo.core.client.impl.ServerClient.getConnection(ServerClient.java:146)
>>  at
>> org.apache.accumulo.core.client.impl.ServerClient.getConnection(ServerClient.java:123)
>> at
>> org.apache.accumulo.core.client.impl.ServerClient.executeRaw(ServerClient.java:105)
>>  at
>> org.apache.accumulo.core.client.impl.ServerClient.execute(ServerClient.java:71)
>> at
>> org.apache.accumulo.core.client.impl.ConnectorImpl.<init>(ConnectorImpl.java:75)
>>  at
>> org.apache.accumulo.core.client.ZooKeeperInstance.getConnector(ZooKeeperInstance.java:218)
>> at
>> org.apache.accumulo.core.client.ZooKeeperInstance.getConnector(ZooKeeperInstance.java:206)
>>
>> Running on JDK 1.6.0_27
>>
>>
>> On Wed, May 8, 2013 at 10:38 AM, Keith Turner <keith@deenlo.com> wrote:
>>
>>>
>>>
>>>
>>> On Wed, May 8, 2013 at 11:09 AM, Marc Reichman <
>>> mreichman@pixelforensics.com> wrote:
>>>
>>>> I have seen this as ticket ACCUMULO-687 which has been marked resolved,
>>>> but I still see this issue.
>>>>
>>>> I am connecting to a remote accumulo instance to query and to launch
>>>> mapreduce jobs using AccumuloRowInputFormat, and I'm seeing an error like:
>>>>
>>>> 91 [main-SendThread(padres.home:2181)] INFO
>>>> org.apache.zookeeper.ClientCnxn  - Socket connection established to
>>>> padres.home/192.168.1.160:2181, initiating session
>>>> 166 [main-SendThread(padres.home:2181)] INFO
>>>> org.apache.zookeeper.ClientCnxn  - Session establishment complete on server
>>>> padres.home/192.168.1.160:2181, sessionid = 0x13e7b48f9d17af7,
>>>> negotiated timeout = 30000
>>>> 1889 [main] WARN org.apache.accumulo.core.client.impl.ServerClient  -
>>>> Failed to find an available server in the list of servers:
>>>> [192.168.1.164:9997:9997 (120000), 192.168.1.192:9997:9997 (120000),
>>>> 192.168.1.194:9997:9997 (120000), 192.168.1.162:9997:9997 (120000),
>>>> 192.168.1.190:9997:9997 (120000), 192.168.1.166:9997:9997 (120000),
>>>> 192.168.1.168:9997:9997 (120000), 192.168.1.196:9997:9997 (120000)]
>>>>
>>>> My zookeeper's "tservers" key looks like:
>>>> [zk: localhost:2181(CONNECTED) 1] ls
>>>> /accumulo/908a756e-1c81-4bea-a4de-675456499a10/tservers
>>>> [192.168.1.164:9997, 192.168.1.192:9997, 192.168.1.194:9997,
>>>> 192.168.1.162:9997, 192.168.1.190:9997, 192.168.1.166:9997,
>>>> 192.168.1.168:9997, 192.168.1.196:9997]
>>>>
>>>> My masters and slaves file look like:
>>>> [hadoop@padres conf]$ cat masters
>>>> 192.168.1.160
>>>> [hadoop@padres conf]$ cat slaves
>>>> 192.168.1.162
>>>> 192.168.1.164
>>>> 192.168.1.166
>>>> 192.168.1.168
>>>> 192.168.1.190
>>>> 192.168.1.192
>>>> 192.168.1.194
>>>> 192.168.1.196
>>>>
>>>> tracers, gc, and monitor are the same as masters.
>>>>
>>>> I have no issues executing on the master, but I would like to work from
>>>> a remote host. The remote host is on a VPN, and its default resolver is NOT
>>>> the resolver from the remote network. If I do reverse lookup over the VPN
>>>> *using* the remote resolver it shows proper hostnames.
>>>>
>>>> My concern is that something is causing the "host:port" entry plus the
>>>> port to come up with this concatenated view of host:port:port, which is
>>>> obviously not going to work.
>>>>
>>>
>>> The second port is nothing to worry about. Its created by concatenating
>>> what came from zookeeper with the default tserver port.  The location from
>>> zookeeper can contain a port.   If for some reason the location in
>>> zookeeper did not have a port, it would use the default.
>>>
>>> That second port should probably go away, its being added
>>> by vestigial code.  We always expect what comes from zookeeper to have port
>>> now.
>>>
>>>
>>>>
>>>> What else can I try? I previously had hostnames in the
>>>> masters/slaves/etc. files but now have the IPs. Should I re-init the
>>>> instance to see if it changes anything in zookeeper?
>>>>
>>>
>>>
>>

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