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From Joel Bernstein <joels...@gmail.com>
Subject Re: Solr 7.1.0 - concurrent.ExecutionException building model
Date Mon, 02 Apr 2018 22:54:14 GMT
It looks like it accessing a replica that's down. Are the logs from
http://vesta:9100/solr/MODEL1024_1522696624083_shard20_replica_n75 reporting
any issues? When you go to that url is it back up and running?

Joel Bernstein
http://joelsolr.blogspot.com/

On Mon, Apr 2, 2018 at 3:55 PM, Joe Obernberger <
joseph.obernberger@gmail.com> wrote:

> Hi All - when building machine learning models using information gain, I
> sometimes get this error when the number of iterations is high.  I'm using
> about 20k news articles in my training set (about 10k positive, and 10k
> negative), and (for this particular run) am using 500 terms and 25,000
> iterations.  I have gotten the error with a much lower number of iterations
> (1,000) as well.
>
> The specific stream command was:
> update(models, batchSize="50",train(MODEL1024_1522696624083,features(
> MODEL1024_1522696624083,q="*:*",featureSet="FSet_MODEL1024_1
> 522696624083",field="Text",outcome="out_i",positiveLabel=1,
> numTerms=500),q="*:*",name="MODEL1024",field="Text",outcome=
> "out_i",maxIterations="25000"))
>
> The training data was split across 20 shards - specifically created with:
> http://icarus.querymasters.com:9100/solr/admin/collections?
> action=CREATE&name=MODEL1024_1522696624083&numShards=20&rep
> licationFactor=2&maxShardsPerNode=5&collection.configName=TRAINING
>
> Any ideas?  The complete error is:
>
> java.io.IOException: java.util.concurrent.ExecutionException:
> org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:
> Error from server at http://vesta:9100/solr/MODEL10
> 24_1522696624083_shard20_replica_n75: Expected mime type
> application/octet-stream but got text/html. <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
> <title>Error 404 Not Found</title>
> </head>
> <body><h2>HTTP ERROR 404</h2>
> <p>Problem accessing /solr/MODEL1024_1522696624083_shard20_replica_n75/select.
> Reason:
> <pre>    Not Found</pre></p>
> </body>
> </html>
>
>     at org.apache.solr.client.solrj.io.stream.TextLogitStream.read(
> TextLogitStream.java:498)
>     at org.apache.solr.client.solrj.io.stream.PushBackStream.read(P
> ushBackStream.java:87)
>     at org.apache.solr.client.solrj.io.stream.UpdateStream.read(Upd
> ateStream.java:109)
>     at org.apache.solr.client.solrj.io.stream.ExceptionStream.read(
> ExceptionStream.java:68)
>     at org.apache.solr.handler.StreamHandler$TimerStream.read(
> StreamHandler.java:627)
>     at org.apache.solr.client.solrj.io.stream.TupleStream.lambda$wr
> iteMap$0(TupleStream.java:87)
>     at org.apache.solr.response.JSONWriter.writeIterator(JSONRespon
> seWriter.java:523)
>     at org.apache.solr.response.TextResponseWriter.writeVal(TextRes
> ponseWriter.java:180)
>     at org.apache.solr.response.JSONWriter$2.put(JSONResponseWriter
> .java:559)
>     at org.apache.solr.client.solrj.io.stream.TupleStream.writeMap(
> TupleStream.java:84)
>     at org.apache.solr.response.JSONWriter.writeMap(JSONResponseWri
> ter.java:547)
>     at org.apache.solr.response.TextResponseWriter.writeVal(TextRes
> ponseWriter.java:198)
>     at org.apache.solr.response.JSONWriter.writeNamedListAsMapWithD
> ups(JSONResponseWriter.java:209)
>     at org.apache.solr.response.JSONWriter.writeNamedList(JSONRespo
> nseWriter.java:325)
>     at org.apache.solr.response.JSONWriter.writeResponse(JSONRespon
> seWriter.java:120)
>     at org.apache.solr.response.JSONResponseWriter.write(JSONRespon
> seWriter.java:71)
>     at org.apache.solr.response.QueryResponseWriterUtil.writeQueryR
> esponse(QueryResponseWriterUtil.java:65)
>     at org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrC
> all.java:806)
>     at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:535)
>     at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDisp
> atchFilter.java:382)
>     at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDisp
> atchFilter.java:326)
>     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilte
> r(ServletHandler.java:1751)
>     at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHan
> dler.java:582)
>     at org.eclipse.jetty.server.handler.ScopedHandler.handle(Scoped
> Handler.java:143)
>     at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHa
> ndler.java:548)
>     at org.eclipse.jetty.server.session.SessionHandler.doHandle(
> SessionHandler.java:226)
>     at org.eclipse.jetty.server.handler.ContextHandler.doHandle(
> ContextHandler.java:1180)
>     at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHand
> ler.java:512)
>     at org.eclipse.jetty.server.session.SessionHandler.doScope(
> SessionHandler.java:185)
>     at org.eclipse.jetty.server.handler.ContextHandler.doScope(
> ContextHandler.java:1112)
>     at org.eclipse.jetty.server.handler.ScopedHandler.handle(Scoped
> Handler.java:141)
>     at org.eclipse.jetty.server.handler.ContextHandlerCollection.ha
> ndle(ContextHandlerCollection.java:213)
>     at org.eclipse.jetty.server.handler.HandlerCollection.handle(
> HandlerCollection.java:119)
>     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(Handl
> erWrapper.java:134)
>     at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(Rewr
> iteHandler.java:335)
>     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(Handl
> erWrapper.java:134)
>     at org.eclipse.jetty.server.Server.handle(Server.java:534)
>     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
>     at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConne
> ction.java:251)
>     at org.eclipse.jetty.io.AbstractConnection$ReadCallback.
> succeeded(AbstractConnection.java:283)
>     at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
>     at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChann
> elEndPoint.java:93)
>     at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume
> .executeProduceConsume(ExecuteProduceConsume.java:303)
>     at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume
> .produceConsume(ExecuteProduceConsume.java:148)
>     at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume
> .run(ExecuteProduceConsume.java:136)
>     at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(Queued
> ThreadPool.java:671)
>     at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedT
> hreadPool.java:589)
>     at java.lang.Thread.run(Thread.java:748)
> Caused by: java.util.concurrent.ExecutionException:
> org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:
> Error from server at http://vesta:9100/solr/MODEL10
> 24_1522696624083_shard20_replica_n75: Expected mime type
> application/octet-stream but got text/html. <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
> <title>Error 404 Not Found</title>
> </head>
> <body><h2>HTTP ERROR 404</h2>
> <p>Problem accessing /solr/MODEL1024_1522696624083_shard20_replica_n75/select.
> Reason:
> <pre>    Not Found</pre></p>
> </body>
> </html>
>
>     at java.util.concurrent.FutureTask.report(FutureTask.java:122)
>     at java.util.concurrent.FutureTask.get(FutureTask.java:192)
>     at org.apache.solr.client.solrj.io.stream.TextLogitStream.read(
> TextLogitStream.java:459)
>     ... 47 more
> Caused by: org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:
> Error from server at http://vesta:9100/solr/MODEL10
> 24_1522696624083_shard20_replica_n75: Expected mime type
> application/octet-stream but got text/html. <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
> <title>Error 404 Not Found</title>
> </head>
> <body><h2>HTTP ERROR 404</h2>
> <p>Problem accessing /solr/MODEL1024_1522696624083_shard20_replica_n75/select.
> Reason:
> <pre>    Not Found</pre></p>
> </body>
> </html>
>
>     at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMeth
> od(HttpSolrClient.java:590)
>     at org.apache.solr.client.solrj.impl.HttpSolrClient.request(Htt
> pSolrClient.java:253)
>     at org.apache.solr.client.solrj.impl.HttpSolrClient.request(Htt
> pSolrClient.java:242)
>     at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest
> .java:178)
>     at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest
> .java:195)
>     at org.apache.solr.client.solrj.io.stream.TextLogitStream$Logit
> Call.call(TextLogitStream.java:640)
>     at org.apache.solr.client.solrj.io.stream.TextLogitStream$Logit
> Call.call(TextLogitStream.java:582)
>     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>     at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolE
> xecutor.lambda$execute$0(ExecutorUtil.java:188)
>     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
> Executor.java:1149)
>     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
> lExecutor.java:624)
>     ... 1 more
> Last Check: 4/2/2018, 3:47:15 PM
>
> Thank you!
>
> -Joe Obernberger
>
>

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