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https://issues.apache.org/jira/browse/SOLR-9354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15430580#comment-15430580
]
Dawid Weiss commented on SOLR-9354:
-----------------------------------
This has been fixed and works for me in 6.1.0, although I can't quite pinpoint
which issue the problem was connected to (scanned the changes log and code
diff, but can't see it). It seems the core of the issue is in config overlay
parsing, not the clustering component's code though.
> ClusteringComponent added using Config API causes error when reloading the
> collection
> -------------------------------------------------------------------------------------
>
> Key: SOLR-9354
> URL: https://issues.apache.org/jira/browse/SOLR-9354
> Project: Solr
> Issue Type: Sub-task
> Components: config-api, contrib - Clustering
> Affects Versions: 6.0.1
> Environment: SolrCloud on Windows with ZooKeeper 3.4.8
> Reporter: Alex D
> Assignee: Dawid Weiss
> Fix For: 6.1
>
>
> It is not possible to add a clustering search component when using the Config
> API.
> Command I used to add the clustering component:
> curl -k -u admin:admin https://solrserver:8443/solr/customer/config -H
> 'Content-type:application/json' -d '{ "add-searchcomponent":
> {"name":"clustering", "class": "solr.clustering.ClusteringComponent",
> "engine": [{ "name":"lingo", "carrot.algorithm":
> "org.carrot2.clustering.lingo.LingoClusteringAlgorithm"}, { "name":"stc",
> "carrot.algorithm": "org.carrot2.clustering.stc.STCClusteringAlgorithm"}]}
> }'
> Error I received from the curl command:
> ==============
> {
> "responseHeader":{
> "status":500,
> "QTime":30026},
> "errorMessages":["1 out of 2 the property overlay to be of version 7 within
> 30 seconds! Failed cores:
> [https://solrserver:8443/solr/customer_shard1_replica1/]\n";],
> "WARNING":"This response format is experimental. It is likely to change in
> the future.",
> "error":{
> "metadata":[
> "error-class","org.apache.solr.common.SolrException",
> "root-error-class","org.apache.solr.common.SolrException"],
> "msg":"1 out of 2 the property overlay to be of version 7 within 30
> seconds! Failed cores:
> [https://solrserver:8443/solr/customer_shard1_replica1/]";,
> "trace":"org.apache.solr.common.SolrException: 1 out of 2 the property
> overlay to be of version 7 within 30 seconds! Failed cores:
> [https://solrserver:8443/solr/customer_shard1_replica1/]\r\n\tat
> org.apache.solr.handler.SolrConfigHandler.waitForAllReplicasState(SolrConfigHandler.java:710)\r\n\tat
>
> org.apache.solr.handler.SolrConfigHandler.access$600(SolrConfigHandler.java:91)\r\n\tat
>
> org.apache.solr.handler.SolrConfigHandler$Command.handleCommands(SolrConfigHandler.java:426)\r\n\tat
>
> org.apache.solr.handler.SolrConfigHandler$Command.handlePOST(SolrConfigHandler.java:266)\r\n\tat
>
> org.apache.solr.handler.SolrConfigHandler$Command.access$100(SolrConfigHandler.java:143)\r\n\tat
>
> org.apache.solr.handler.SolrConfigHandler.handleRequestBody(SolrConfigHandler.java:121)\r\n\tat
>
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:155)\r\n\tat
> org.apache.solr.core.SolrCore.execute(SolrCore.java:2053)\r\n\tat
> org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:652)\r\n\tat
> org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:460)\r\n\tat
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:229)\r\n\tat
>
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:184)\r\n\tat
>
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)\r\n\tat
>
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)\r\n\tat
>
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\r\n\tat
>
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)\r\n\tat
>
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)\r\n\tat
>
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1160)\r\n\tat
>
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)\r\n\tat
>
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\r\n\tat
>
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1092)\r\n\tat
>
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\r\n\tat
>
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)\r\n\tat
>
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)\r\n\tat
>
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)\r\n\tat
> org.eclipse.jetty.server.Server.handle(Server.java:518)\r\n\tat
> org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:308)\r\n\tat
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:244)\r\n\tat
>
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)\r\n\tat
> org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)\r\n\tat
> org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:186)\r\n\tat
>
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)\r\n\tat
> org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)\r\n\tat
> org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)\r\n\tat
>
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:246)\r\n\tat
>
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:156)\r\n\tat
>
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)\r\n\tat
>
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)\r\n\tat
> java.lang.Thread.run(Thread.java:745)\r\n",
> "code":500}}
> ==============
> In my Solr logs I can see the following error related to the clustering
> component:
> Caused by: java.lang.ClassCastException: java.util.ArrayList cannot be cast
> to org.apache.solr.common.util.NamedList
> at
> org.apache.solr.handler.clustering.ClusteringComponent.inform(ClusteringComponent.java:110)
> at
> org.apache.solr.core.SolrResourceLoader.inform(SolrResourceLoader.java:675)
> at org.apache.solr.core.SolrCore.<init>(SolrCore.java:751)
> I should mention that I do not get any errors if I specify only one
> clustering engine instead of a list of engines.
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