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From "Steve Rowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-10916) Any Solr test using MiniSolrCloud or Solr Core's should extend SolrTestCaseJ4/SolrCloudTestCase
Date Tue, 08 Aug 2017 21:52:01 GMT

    [ https://issues.apache.org/jira/browse/SOLR-10916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119082#comment-16119082
] 

Steve Rowe commented on SOLR-10916:
-----------------------------------

{{TestCollectionsAPIViaSolrCloudCluster.testCollectionCreateSearchDelete()}} has been failing
pretty regularly (11 out of 100 iterations when I beasted it on master just now).  The problem:
a doc addition fails after intentionally killing a couple of solr's jetties, apparently because
the client attempts to send an update to a shard that isn't there.  I'm beasting a change
that calls {{client.getZkStateReader().forceUpdateCollection()}} before adding the doc, but
it seems like CloudSolrClient ought to be able to detect this problem and retry after refreshing
the cluster state?

>From [https://jenkins.thetaphi.de/job/Lucene-Solr-7.x-Linux/223/] this morning:
{noformat}
Checking out Revision 95af49e5882226be52141a26565d8d2f99b76aaf (refs/remotes/origin/branch_7x)
[...]
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestCollectionsAPIViaSolrCloudCluster
-Dtests.method=testCollectionCreateSearchDelete -Dtests.seed=2EB43E7310F7BC75 -Dtests.multiplier=3
-Dtests.slow=true -Dtests.locale=fil -Dtests.timezone=Canada/Pacific -Dtests.asserts=true
-Dtests.file.encoding=US-ASCII
   [junit4] ERROR   12.8s J2 | TestCollectionsAPIViaSolrCloudCluster.testCollectionCreateSearchDelete
<<<
   [junit4]    > Throwable #1: org.apache.solr.client.solrj.impl.CloudSolrClient$RouteException:
Error from server at http://127.0.0.1:37257/solr/testcollection_shard1_replica_n3: Expected
mime type application/octet-stream but got text/html. <html>
   [junit4]    > <head>
   [junit4]    > <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
   [junit4]    > <title>Error 404 </title>
   [junit4]    > </head>
   [junit4]    > <body>
   [junit4]    > <h2>HTTP ERROR: 404</h2>
   [junit4]    > <p>Problem accessing /solr/testcollection_shard1_replica_n3/update.
Reason:
   [junit4]    > <pre>    Can not find: /solr/testcollection_shard1_replica_n3/update</pre></p>
   [junit4]    > <hr /><a href="http://eclipse.org/jetty">Powered by Jetty://
9.3.14.v20161028</a><hr/>
   [junit4]    > </body>
   [junit4]    > </html>
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([2EB43E7310F7BC75:8D4E90D6971F56D0]:0)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.CloudSolrClient.directUpdate(CloudSolrClient.java:539)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:993)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:862)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:793)
   [junit4]    > 	at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:178)
   [junit4]    > 	at org.apache.solr.client.solrj.request.UpdateRequest.commit(UpdateRequest.java:233)
   [junit4]    > 	at org.apache.solr.cloud.TestCollectionsAPIViaSolrCloudCluster.testCollectionCreateSearchDelete(TestCollectionsAPIViaSolrCloudCluster.java:167)
   [junit4]    > 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
   [junit4]    > 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]    > 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]    > 	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
   [junit4]    > 	at java.base/java.lang.Thread.run(Thread.java:844)
   [junit4]    > Caused by: org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:
Error from server at http://127.0.0.1:37257/solr/testcollection_shard1_replica_n3: Expected
mime type application/octet-stream but got text/html. <html>
   [junit4]    > <head>
   [junit4]    > <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/>
   [junit4]    > <title>Error 404 </title>
   [junit4]    > </head>
   [junit4]    > <body>
   [junit4]    > <h2>HTTP ERROR: 404</h2>
   [junit4]    > <p>Problem accessing /solr/testcollection_shard1_replica_n3/update.
Reason:
   [junit4]    > <pre>    Can not find: /solr/testcollection_shard1_replica_n3/update</pre></p>
   [junit4]    > <hr /><a href="http://eclipse.org/jetty">Powered by Jetty://
9.3.14.v20161028</a><hr/>
   [junit4]    > </body>
   [junit4]    > </html>
   [junit4]    > 	at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:591)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:253)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:242)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:483)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:413)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.CloudSolrClient.lambda$directUpdate$0(CloudSolrClient.java:516)
   [junit4]    > 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
   [junit4]    > 	at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
   [junit4]    > 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1161)
   [junit4]    > 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
   [junit4]    > 	... 1 more
[...]
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene70): {id=Lucene50(blocksize=128)},
docValues:{}, maxPointsInLeafNode=710, maxMBSortInHeap=7.885441283456621, sim=RandomSimilarity(queryNorm=true):
{}, locale=fil, timezone=Canada/Pacific
   [junit4]   2> NOTE: Linux 4.10.0-27-generic i386/Oracle Corporation 9 (32-bit)/cpus=8,threads=1,free=224954368,total=518979584
{noformat}

> Any Solr test using MiniSolrCloud or Solr Core's should extend SolrTestCaseJ4/SolrCloudTestCase
> -----------------------------------------------------------------------------------------------
>
>                 Key: SOLR-10916
>                 URL: https://issues.apache.org/jira/browse/SOLR-10916
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Hoss Man
>            Assignee: Steve Rowe
>             Fix For: master (8.0), 7.1
>
>         Attachments: SOLR-10916.patch, SOLR-10916.patch, SOLR-10916.patch
>
>
> We have a non-trivial number of tests  that extend LuceneTestCase directly.
> For "utility" method minded tests, this is fine - but for any test that wants to instantiate
re-use shared config files to instantiate SolrCores, or instances of MiniSolrCloudCluster,
this makes these tests really cumbersome to maintain and deal with because htye don't leverage
the existing randomization setup logic in SolrTestCaseJ4.
> we should fix these tests where applicable



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