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From "A.Eibner" <a_eib...@yahoo.de>
Subject Re: Empty Solr 4.2.1 can not create Collection
Date Wed, 10 Apr 2013 07:43:21 GMT
Hi Joel,

I followed your steps, the cores and collection get created, but there 
is no leader elected so I can not query the collection...
Do I miss something ?

Kind Regards
Alexander

Am 2013-04-09 10:21, schrieb A.Eibner:
> Hi,
> thanks for your faster answer.
>
> You don't use the Collection API - may I ask you why ?
> Therefore you have to setup everything (replicas, ...) manually...,
> which I would like to avoid.
>
> Also what I don't understand, why my steps work in 4.0 but won't in
> 4.2.1...
> Any clues ?
>
> Kind Regards
> Alexander
>
> Am 2013-04-08 19:12, schrieb Joel Bernstein:
>> The steps that I use to setup the collection are slightly different:
>>
>>
>> 1) Start zk and upconfig the config set. Your approach is same.
>> 2) Start appservers with Solr zkHost set to the zk started in step 1.
>> 3) Use a core admin command to spin up a new core and collection.
>>
>>
>> http://app01/solr/admin/cores?action=CREATE&name=storage-core&collection=storage&numShards=1&collection.configName=storage-conf<http://app03/solr/admin/collections?action=CREATE&name=storage&numShards=1&replicationFactor=2&collection.configName=storage-conf>
>>
>> &shard=shard1
>>
>> This will spin up the new collection and initial core. I'm not using a
>> replication factor because the following commands manually bind the
>> replicas.
>>
>> 4) Spin up replica with a core admin command:
>> http://app02/solr/admin/cores?action=CREATE&name=storage-core&collection=storage&<http://app03/solr/admin/collections?action=CREATE&name=storage&numShards=1&replicationFactor=2&collection.configName=storage-conf>
>>
>> shard=shard1
>>
>> 5) Same command as above on the 3rd server to spin up another replica.
>>
>> This will spin up a new core and bind it to shard1 of the storage
>> collection.
>>
>>
>>
>>
>>
>> On Mon, Apr 8, 2013 at 9:34 AM, A.Eibner <a_eibner@yahoo.de> wrote:
>>
>>> Hi,
>>>
>>> I have a problem with setting up my solr cloud environment (on three
>>> machines).
>>> If I want to create my collections from scratch I do the following:
>>>
>>> *) Start ZooKeeper on all machines.
>>>
>>> *) Upload the configuration (on app02) for the collection via the
>>> following command:
>>>      zkcli.sh -cmd upconfig --zkhost app01:4181,app02:4181,app03:**4181
>>> --confdir config/solr/storage/conf/ --confname storage-conf
>>>
>>> *) Linking the configuration (on app02) via the following command:
>>>      zkcli.sh -cmd linkconfig --collection storage --confname
>>> storage-conf
>>> --zkhost app01:4181,app02:4181,app03:**4181
>>>
>>> *) Start Tomcats (containing Solr) on app02,app03
>>>
>>> *) Create Collection via:
>>> http://app03/solr/admin/**collections?action=CREATE&**
>>> name=storage&numShards=1&**replicationFactor=2&**
>>> collection.configName=storage-**conf<http://app03/solr/admin/collections?action=CREATE&name=storage&numShards=1&replicationFactor=2&collection.configName=storage-conf>
>>>
>>>
>>> This creates the replication of the shard on app02 and app03, but
>>> neither
>>> of them is marked as leader, both are marked as DOWN.
>>> And after wards I can not access the collection.
>>> In the browser I get:
>>> "SEVERE: org.apache.solr.common.**SolrException: no servers hosting
>>> shard:"
>>>
>>> In the log files the following error is present:
>>> SEVERE: Error from shard: app02:9985/solr
>>> org.apache.solr.common.**SolrException: Error CREATEing SolrCore
>>> 'storage_shard1_replica1':
>>>          at
>>> org.apache.solr.client.solrj.**impl.HttpSolrServer.request(**
>>> HttpSolrServer.java:404)
>>>          at
>>> org.apache.solr.client.solrj.**impl.HttpSolrServer.request(**
>>> HttpSolrServer.java:181)
>>>          at org.apache.solr.handler.**component.HttpShardHandler$1.**
>>> call(HttpShardHandler.java:**172)
>>>          at org.apache.solr.handler.**component.HttpShardHandler$1.**
>>> call(HttpShardHandler.java:**135)
>>>          at java.util.concurrent.**FutureTask$Sync.innerRun(**
>>> FutureTask.java:334)
>>>          at java.util.concurrent.**FutureTask.run(FutureTask.**java:166)
>>>          at java.util.concurrent.**Executors$RunnableAdapter.**
>>> call(Executors.java:471)
>>>          at java.util.concurrent.**FutureTask$Sync.innerRun(**
>>> FutureTask.java:334)
>>>          at java.util.concurrent.**FutureTask.run(FutureTask.**java:166)
>>>          at java.util.concurrent.**ThreadPoolExecutor.runWorker(**
>>> ThreadPoolExecutor.java:1110)
>>>          at java.util.concurrent.**ThreadPoolExecutor$Worker.run(**
>>> ThreadPoolExecutor.java:603)
>>>          at java.lang.Thread.run(Thread.**java:722)
>>> Caused by: org.apache.solr.common.cloud.**ZooKeeperException:
>>>          at org.apache.solr.core.**CoreContainer.registerInZk(**
>>> CoreContainer.java:922)
>>>          at org.apache.solr.core.**CoreContainer.registerCore(**
>>> CoreContainer.java:892)
>>>          at org.apache.solr.core.**CoreContainer.register(**
>>> CoreContainer.java:841)
>>>          at org.apache.solr.handler.admin.**CoreAdminHandler.**
>>> handleCreateAction(**CoreAdminHandler.java:479)
>>>          ... 19 more
>>> Caused by: org.apache.solr.common.**SolrException: Error getting leader
>>> from zk for shard shard1
>>>          at org.apache.solr.cloud.**ZkController.getLeader(**
>>> ZkController.java:864)
>>>          at org.apache.solr.cloud.**ZkController.register(**
>>> ZkController.java:776)
>>>          at org.apache.solr.cloud.**ZkController.register(**
>>> ZkController.java:727)
>>>          at org.apache.solr.core.**CoreContainer.registerInZk(**
>>> CoreContainer.java:908)
>>>          ... 22 more
>>> Caused by: java.lang.**InterruptedException: sleep interrupted
>>>          at java.lang.Thread.sleep(Native Method)
>>>          at org.apache.solr.cloud.**ZkController.getLeaderProps(**
>>> ZkController.java:905)
>>>          at org.apache.solr.cloud.**ZkController.getLeaderProps(**
>>> ZkController.java:875)
>>>          at org.apache.solr.cloud.**ZkController.getLeader(**
>>> ZkController.java:839)
>>>          ... 25 more
>>>
>>> I have attached a minimal set of configuration files which are needed to
>>> replicate this error, also containing the log files for the commands
>>> I have
>>> run in the order above.
>>>
>>> I use the following versions of:
>>> Solr: 4.2.1
>>> ZooKeeper: 3.4.5
>>> Tomcat 7.0.27
>>>
>>> app01: ZooKeeper
>>> app02: ZooKeeper, Solr (in Tomcat)
>>> app03: ZooKeeper, Solr (in Tomcat)
>>>
>>> The same procedure does work if I use Solr 4.0, but the BUG (
>>> https://issues.apache.org/**jira/browse/SOLR-3939<https://issues.apache.org/jira/browse/SOLR-3939>
>>>
>>> ) prevents me from using 4.0 in this scenario.
>>>
>>> If you need anything else, please just say so.
>>>
>>> Thanks for your help
>>>
>>> Kind Regards
>>> Alexander
>>>
>>>
>>
>>
>
>


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