Hi Jerry,
thanks for your response:)
This thread("SolrCloud new...") is new for me, thanks!
How far are you with your setup? Which problems/errors du you have?
Best regards
Vadim




2012/3/27 jerry.min...@gmail.com <jerry.min...@gmail.com>:
> Hi Vadim,
>
> I too am experimenting with SolrCloud and need help with setting it up
> using Tomcat as the java servlet container.
> While searching for help on this question, I found another thread in
> the solr-mailing-list that is helpful.
> In case you haven't seen this thread that I found, please search the
> solr-mailing-list for: "SolrCloud new...."
> You can also view it at nabble using this link:
> http://lucene.472066.n3.nabble.com/SolrCloud-new-td1528872.html
>
> Best,
> Jerry M.
>
>
>
>
> On Wed, Mar 21, 2012 at 5:51 AM, Vadim Kisselmann
> <v.kisselm...@googlemail.com> wrote:
>>
>> Hello folks,
>>
>> i read the SolrCloud Wiki and Bruno Dumon's blog entry with his "First
>> Exploration of SolrCloud".
>> Examples and a first setup with embedded Jetty and ZK WORKS without problems.
>>
>> I tried to setup my own configuration with Tomcat and an external
>> Zookeeper(my Master-ZK), but it doesn't work really.
>>
>> My setup:
>> - latest Solr version from trunk
>> - Tomcat 6
>> - external ZK
>> - Target: 1 Server, 1 Tomcat, 1 Solr instance, 2 collections with
>> different config/schema
>>
>> What i tried:
>> ------------------
>> 1. After checkout i build solr(ant run-example), it works.
>> -----------------------
>> 2. I send my config/schema files to external ZK with Jetty:
>> java -Djetty.port=8080 -Dbootstrap_confdir=/root/solrCloud/conf/
>> -Dcollection.configName=conf1 -DzkHost=master-zk:2181 -jar start.jar
>> it works, too.
>> -------------------------------
>> 3. I create my ("empty, without cores")solr.xml, like Bruno:
>> http://www.ngdata.com/site/blog/57-ng.html#disqus_thread
>> -------------------------------------------
>> 4. I started my Tomcat, and get the first error:
>> in UI: This interface requires that you activate the admin request
>> handlers, add the following configuration to your solrconfig.xml:
>> <!-- Admin Handlers - This will register all the standard admin
>> RequestHandlers. -->
>> <requestHandler name="/admin/" class="solr.admin.AdminHandlers" />
>> Admin request Handlers are definitely activated in my solrconfig.
>>
>> I get this error only with the latest trunk versions, with r1292064
>> from February not. Sometimes it works with the new version, sometimes
>> not and i get this error.
>>
>> ----------------------------------
>> 5. Ok , it it works, after few restarts, i changed my JAVA_OPTS for
>> Tomcat and added this: "-DzkHost=master-zk:2181"
>> Next Error:
>> This The web application [/solr2] appears to have started a thread
>> named [main-SendThread(master-zk:2181)] but has failed to stop it.
>> This is very likely to create a memory leak.
>> Exception in thread "Thread-2" java.lang.NullPointerException
>> at 
>> org.apache.solr.cloud.Overseer$CloudStateUpdater.amILeader(Overseer.java:179)
>> at org.apache.solr.cloud.Overseer$CloudStateUpdater.run(Overseer.java:104)
>> at java.lang.Thread.run(Thread.java:662)
>> 15.03.2012 13:25:17 org.apache.catalina.loader.WebappClassLoader loadClass
>> INFO: Illegal access: this web application instance has been stopped
>> already. Could not load org.apache.zookeeper.server.ZooTrace. The
>> eventual following stack trace is caused by an error thrown for
>> debugging purposes as well as to attempt to terminate the thread which
>> caused the illegal access, and has no functional impact.
>> java.lang.IllegalStateException
>> at 
>> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1531)
>> at 
>> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1491)
>> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1196)
>> 15.03.2012 13:25:17 org.apache.coyote.http11.Http11Protocol destroy
>>
>> -----------------------------------------
>> 6. Ok, we assume, that the first steps works, and i would create new
>> cores and my 2 collections. My requests with CoreAdminHandler are ok,
>> my solr.xml looks like this:
>> <?xml version="1.0" encoding="UTF-8" ?>
>> <solr persistent="true">
>>  <cores adminPath="/admin/cores" zkClientTimeout="10000" hostPort="8080"
>> hostContext="solr">
>>    <core
>>       name="shard1_data"
>>       collection="col1"
>>       shard="shard1"
>>       instanceDir="xxx/" />
>>  <core
>>       name="shard2_data"
>>       collection="col2"
>>       shard="shard2"
>>       instanceDir="xx2/" />
>>  </cores>
>> </solr>
>>
>> Now i get the following exception: ".......couldn't find conf name for
>> collection1..........."
>> I don't have an collection 1. Why this exception?
>>
>> ---------------------------------------
>> You can see, there are too many exceptions and eventually
>> configuration problems with Tomcat and an external ZK.
>> Has anyone set up an "identical" configuration and does it work?
>> Does anyone detect mistakes in my configuration steps?
>>
>> Best regards
>> Vadim

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