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From Angie Rabelero <maria.rabel...@oracle.com>
Subject Re: Solr test framework not able to upload configuration to zk and fails with KeeperException
Date Tue, 04 Jun 2019 20:15:19 GMT
For what I know the configuration files need to be already in the test/resource directory before
runnin. I copy them to the directory using a maven maven-antrun-plugin in the generate-test-sources
phase. And the framework can "create a collection” without the configfiles, but it will
obviously fail when try to use it.


On the surface, this znode already exists:

/solr/configs/collection2

So it looks like somehow you're

> On Jun 4, 2019, at 12:29 PM, Pratik Patel <pratik@semandex.net <mailto:pratik@semandex.net>>
wrote:
> 
> /solr/configs/collection2

> On Jun 4, 2019, at 14:29, Pratik Patel <pratik@semandex.net> wrote:
> 
> Hello Everyone,
> 
> I am trying to run a simple unit test using solr test framework. At this
> point, all I am trying to achieve is to be able to upload some
> configuration and create a collection using solr test framework.
> 
> Following is the simple code which I am trying to run.
> 
> private static final String COLLECTION = "collection2" ;
> 
> private static final int numShards = 1;
> private static final int numReplicas = 1;
> private static final int maxShardsPerNode = 1;
> private static final int nodeCount = (numShards*numReplicas +
> (maxShardsPerNode-1))/maxShardsPerNode;
> 
> private static final String id = "id";
> private static final String CONFIG_DIR =
> "src/test/resources/testdata/solr/collection2";
> 
> @BeforeClass
> public static void setupCluster() throws Exception {
> 
>    // create and configure cluster
>    configureCluster(nodeCount)
>            .addConfig("collection2", getFile(CONFIG_DIR).toPath())
>            .configure();
> 
>    // create an empty collection
>    CollectionAdminRequest.createCollection(COLLECTION, "collection2",
> numShards, numReplicas)
>            .setMaxShardsPerNode(maxShardsPerNode)
>            .process(cluster.getSolrClient());
> 
>    // add further document(s) here
>    // TODO
> }
> 
> 
> However, I see that solr fails to upload the configuration to zk.
> Following method of ZooKeeper class fails with the "KeeperException"
> 
> public String create(final String path, byte data[], List<ACL> acl,
>        CreateMode createMode)
>    throws KeeperException, InterruptedException
> {
>    final String clientPath = path;
>    PathUtils.validatePath(clientPath, createMode.isSequential());
> 
>    final String serverPath = prependChroot(clientPath);
> 
>    RequestHeader h = new RequestHeader();
>    h.setType(ZooDefs.OpCode.create);
>    CreateRequest request = new CreateRequest();
>    CreateResponse response = new CreateResponse();
>    request.setData(data);
>    request.setFlags(createMode.toFlag());
>    request.setPath(serverPath);
>    if (acl != null && acl.size() == 0) {
>        throw new KeeperException.InvalidACLException();
>    }
>    request.setAcl(acl);
>    ReplyHeader r = cnxn.submitRequest(h, request, response, null);
>    if (r.getErr() != 0) {
>        throw KeeperException.create(KeeperException.Code.get(r.getErr()),
>                clientPath);
>    }
>    if (cnxn.chrootPath == null) {
>        return response.getPath();
>    } else {
>        return response.getPath().substring(cnxn.chrootPath.length());
>    }
> }
> 
> 
> And following are the Keeper exceptions thrown for each file of the
> configuration.
> 
> Basically, it says
> Got user-level KeeperException when processing sessionid:.... Error
> Path:/solr/configs Error:KeeperErrorCode = NodeExists for /solr/configs
> 
> **************************************************************************************************************
> 2019-06-04T15:07:01,157 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0xe zxid:0x40 txntype:-1 reqpath:n/a Error Path:/solr/configs
> Error:KeeperErrorCode = NodeExists for /solr/configs
> 2019-06-04T15:07:01,158 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0xf zxid:0x41 txntype:-1 reqpath:n/a Error
> Path:/solr/configs/collection2 Error:KeeperErrorCode = NodeExists for
> /solr/configs/collection2
> 2019-06-04T15:07:01,158 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0x10 zxid:0x42 txntype:-1 reqpath:n/a Error
> Path:/solr/configs/collection2/conf Error:KeeperErrorCode = NodeExists for
> /solr/configs/collection2/conf
> 2019-06-04T15:07:01,160 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0x12 zxid:0x44 txntype:-1 reqpath:n/a Error Path:/solr/configs
> Error:KeeperErrorCode = NodeExists for /solr/configs
> 2019-06-04T15:07:01,160 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0x13 zxid:0x45 txntype:-1 reqpath:n/a Error
> Path:/solr/configs/collection2 Error:KeeperErrorCode = NodeExists for
> /solr/configs/collection2
> 2019-06-04T15:07:01,161 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0x14 zxid:0x46 txntype:-1 reqpath:n/a Error
> Path:/solr/configs/collection2/conf Error:KeeperErrorCode = NodeExists for
> /solr/configs/collection2/conf
> 2019-06-04T15:07:01,162 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0x16 zxid:0x48 txntype:-1 reqpath:n/a Error Path:/solr/configs
> Error:KeeperErrorCode = NodeExists for /solr/configs
> 2019-06-04T15:07:01,163 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0x17 zxid:0x49 txntype:-1 reqpath:n/a Error
> Path:/solr/configs/collection2 Error:KeeperErrorCode = NodeExists for
> /solr/configs/collection2
> 2019-06-04T15:07:01,163 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0x18 zxid:0x4a txntype:-1 reqpath:n/a Error
> Path:/solr/configs/collection2/conf Error:KeeperErrorCode = NodeExists for
> /solr/configs/collection2/conf
> 2019-06-04T15:07:01,165 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0x1b zxid:0x4d txntype:-1 reqpath:n/a Error Path:/solr/configs
> Error:KeeperErrorCode = NodeExists for /solr/configs
> 2019-06-04T15:07:01,166 [ProcessThread(sid:0 cport:50192):] INFO
> org.apache.zookeeper.server.PrepRequestProcessor - Got user-level
> KeeperException when processing sessionid:0x1003ec815f30007 type:create
> cxid:0x1c zxid:0x4e txntype:-1 reqpath:n/a Error
> Path:/solr/configs/collection2 Error:KeeperErrorCode = NodeExists for
> /solr/configs/collection2
> **************************************************************************************************************
> 
> I have searched through the mailing list and related areas. Also, I have
> tried various ways of creating MiniSolrCloudCluster but I get the same
> exception.
> 
> I have made sure that a new directory is always used as BASE_DIR to
> MiniSolrCloudCluster.
> 
> Can anyone please throw some light on whats wrong here? Am I hitting any
> solr test framework issue? I am using solr test framework version 7.7.1
> 
> Thanks a lot,
> Pratik


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