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https://issues.apache.org/jira/browse/SOLR-7746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14720887#comment-14720887
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Gregory Chanan commented on SOLR-7746:
--------------------------------------
Looks good, two minor comments:
{code}
+ req = new SolrPingWithDistrib();
+ req.setDistrib(false);
{code}
Just use a SolrPing here, if you can.
{code}
+ Map<String, String> collectionProperties = new HashMap<>();
+ collectionProperties.put(CoreDescriptor.CORE_CONFIG,
"solrconfig-tlog.xml");
+ collectionProperties.put("solr.tests.maxBufferedDocs", "100000");
+ collectionProperties.put("solr.tests.ramBufferSizeMB", "100");
+ // use non-test classes so RandomizedRunner isn't necessary
+ collectionProperties.put("solr.tests.mergePolicy",
"org.apache.lucene.index.TieredMergePolicy");
+ collectionProperties.put("solr.tests.mergeScheduler",
"org.apache.lucene.index.ConcurrentMergeScheduler");
+ collectionProperties.put("solr.directoryFactory",
"solr.RAMDirectoryFactory");
+ miniCluster.createCollection(collectionName, NUM_SHARDS,
REPLICATION_FACTOR, configName, collectionProperties);
{code}
I think all this complexity is necessary because of the configuration you are
using. Look at ConcurrentDeleteAndCreateCollectionTest -- that uses the
MiniSolrCloudCluster and creates a collection without this complexity.
> Ping requests stopped working with distrib=true in Solr 5.2.1
> -------------------------------------------------------------
>
> Key: SOLR-7746
> URL: https://issues.apache.org/jira/browse/SOLR-7746
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 5.2.1
> Reporter: Alexey Serba
> Attachments: SOLR-7746.patch, SOLR-7746.patch, SOLR-7746.patch,
> SOLR-7746.patch, SOLR-7746.patch
>
>
> {noformat:title="steps to reproduce"}
> # start 1 node SolrCloud cluster
> sh> ./bin/solr -c -p 8888
> # create a test collection (we won’t use it, but I just want to it to load
> solr configs to Zk)
> ./bin/solr create_collection -c test -d sample_techproducts_configs -p 8888
> # create another test collection with 2 shards
> curl
> 'http://localhost:8888/solr/admin/collections?action=CREATE&name=test2&numShards=2&replicationFactor=1&maxShardsPerNode=2&collection.configName=test'
> # try distrib ping request
> curl
> 'http://localhost:8888/solr/test2/admin/ping?wt=json&distrib=true&indent=true'
> ...
> "error":{
> "msg":"Ping query caused exception: Error from server at
> http://192.168.59.3:8888/solr/test2_shard2_replica1: Cannot execute the
> PingRequestHandler recursively"
> ...
> {noformat}
> {noformat:title="Exception"}
> 2116962 [qtp599601600-13] ERROR org.apache.solr.core.SolrCore [test2 shard2
> core_node1 test2_shard2_replica1] – org.apache.solr.common.SolrException:
> Cannot execute the PingRequestHandler recursively
> at
> org.apache.solr.handler.PingRequestHandler.handlePing(PingRequestHandler.java:246)
> at
> org.apache.solr.handler.PingRequestHandler.handleRequestBody(PingRequestHandler.java:211)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:143)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:2064)
> at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:654)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:450)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:227)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:196)
> {noformat}
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