[
https://issues.apache.org/jira/browse/SOLR-12868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16665342#comment-16665342
]
Steve Rowe commented on SOLR-12868:
-----------------------------------
As of commit {{f33be7a}} on this issue, {{TestV2Request}} is failing nearly
100% of the time, e.g. from
[https://jenkins.thetaphi.de/job/Lucene-Solr-master-Windows/7585]:
{noformat}
Checking out Revision f33be7a172d7b4596530d8cb925ba6dd1f1f53f0
(refs/remotes/origin/master)
[...]
[junit4] Suite: org.apache.solr.client.solrj.request.TestV2Request
[...]
[junit4] 1> livenodes: [127.0.0.1:61086_solr, 127.0.0.1:61091_solr,
127.0.0.1:61096_solr, 127.0.0.1:61105_solr]
[junit4] 1> 04:51:45.352 [qtp14589558-428] ERROR
org.apache.solr.api.V2HttpCall - >> path: '/c/_introspect'
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestV2Request
-Dtests.method=testHttpSolrClient -Dtests.seed=F4038E7A593F7B4D
-Dtests.slow=true -Dtests.locale=lv -Dtests.timezone=America/Winnipeg
-Dtests.asserts=true -Dtests.file.encoding=Cp1252
[junit4] FAILURE 6.31s J0 | TestV2Request.testHttpSolrClient <<<
[junit4] > Throwable #1: java.lang.AssertionError: expected:<0> but
was:<1>
[junit4] > at
__randomizedtesting.SeedInfo.seed([F4038E7A593F7B4D:2C1B9650F80B696A]:0)
[junit4] > at
org.apache.solr.client.solrj.request.TestV2Request.doTest(TestV2Request.java:105)
[junit4] > at
org.apache.solr.client.solrj.request.TestV2Request.testHttpSolrClient(TestV2Request.java:70)
[junit4] > at java.lang.Thread.run(Thread.java:748)
[junit4] 1> 04:51:51.726 [qtp4981319-439] ERROR
org.apache.solr.api.V2HttpCall - >> path: '/c/_introspect'
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestV2Request
-Dtests.method=testCloudSolrClient -Dtests.seed=F4038E7A593F7B4D
-Dtests.slow=true -Dtests.locale=lv -Dtests.timezone=America/Winnipeg
-Dtests.asserts=true -Dtests.file.encoding=Cp1252
[junit4] FAILURE 6.02s J0 | TestV2Request.testCloudSolrClient <<<
[junit4] > Throwable #1: java.lang.AssertionError: expected:<0> but
was:<1>
[junit4] > at
__randomizedtesting.SeedInfo.seed([F4038E7A593F7B4D:6DF505CAFC8CF326]:0)
[junit4] > at
org.apache.solr.client.solrj.request.TestV2Request.doTest(TestV2Request.java:105)
[junit4] > at
org.apache.solr.client.solrj.request.TestV2Request.testCloudSolrClient(TestV2Request.java:77)
[junit4] > at java.lang.Thread.run(Thread.java:748)
[junit4] 1> 04:51:53.783
[SUITE-TestV2Request-seed#[F4038E7A593F7B4D]-worker] ERROR
org.apache.zookeeper.server.ZooKeeperServer - ZKShutdownHandler is not
registered, so ZooKeeper server won't take any action on ERROR or SHUTDOWN
server state changes
[junit4] 2> NOTE: leaving temporary files on disk at:
C:\Users\jenkins\workspace\Lucene-Solr-master-Windows\solr\build\solr-solrj\test\J0\temp\solr.client.solrj.request.TestV2Request_F4038E7A593F7B4D-001
[junit4] 2> Oct 26, 2018 4:51:53 AM
com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
[junit4] 2> WARNING: Will linger awaiting termination of 10 leaked
thread(s).
[junit4] 2> Oct 26, 2018 4:53:13 AM
com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
[junit4] 2> SEVERE: 1 thread leaked from SUITE scope at
org.apache.solr.client.solrj.request.TestV2Request:
[junit4] 2> 1) Thread[id=550, name=Connection evictor,
state=TIMED_WAITING, group=TGRP-TestV2Request]
[junit4] 2> at java.lang.Thread.sleep(Native Method)
[junit4] 2> at
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
[junit4] 2> at java.lang.Thread.run(Thread.java:748)
[junit4] 2> Oct 26, 2018 4:53:13 AM
com.carrotsearch.randomizedtesting.ThreadLeakControl tryToInterruptAll
[junit4] 2> INFO: Starting to interrupt leaked threads:
[junit4] 2> 1) Thread[id=550, name=Connection evictor,
state=TIMED_WAITING, group=TGRP-TestV2Request]
[junit4] 2> Oct 26, 2018 4:53:13 AM
com.carrotsearch.randomizedtesting.ThreadLeakControl tryToInterruptAll
[junit4] 2> INFO: All leaked threads terminated.
[junit4] 2> NOTE: test params are: codec=CheapBastard,
sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@1e6d741),
locale=lv, timezone=America/Winnipeg
[junit4] 2> NOTE: Windows 10 10.0 x86/Oracle Corporation 1.8.0_172
(32-bit)/cpus=3,threads=1,free=87644232,total=185597952
[junit4] 2> NOTE: All tests run in this JVM: [TestFastWriter,
CollectionAdminRequestRequiredParamsTest, UniformDistributionEvaluatorTest,
ArcCosineEvaluatorTest, LessThanEqualToEvaluatorTest, SolrExampleEmbeddedTest,
TestTimeSource, TestXMLEscaping, GraphExpressionTest, DivideEvaluatorTest,
CloudSolrClientBuilderTest, AscEvaluatorTest, FieldAnalysisResponseTest,
TestV2Request]
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestV2Request
-Dtests.seed=F4038E7A593F7B4D -Dtests.slow=true -Dtests.locale=lv
-Dtests.timezone=America/Winnipeg -Dtests.asserts=true
-Dtests.file.encoding=Cp1252
[junit4] ERROR 0.00s J0 | TestV2Request (suite) <<<
[junit4] > Throwable #1:
com.carrotsearch.randomizedtesting.ThreadLeakError: 1 thread leaked from SUITE
scope at org.apache.solr.client.solrj.request.TestV2Request:
[junit4] > 1) Thread[id=550, name=Connection evictor,
state=TIMED_WAITING, group=TGRP-TestV2Request]
[junit4] > at java.lang.Thread.sleep(Native Method)
[junit4] > at
org.apache.http.impl.client.IdleConnectionEvictor$1.run(IdleConnectionEvictor.java:66)
[junit4] > at java.lang.Thread.run(Thread.java:748)
[junit4] > at
__randomizedtesting.SeedInfo.seed([F4038E7A593F7B4D]:0)
[junit4] Completed [67/162 (1!)] on J0 in 97.96s, 4 tests, 2 failures, 1
error <<< FAILURES!
{noformat}
> Request forwarding for v2 API is broken
> ---------------------------------------
>
> Key: SOLR-12868
> URL: https://issues.apache.org/jira/browse/SOLR-12868
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCloud, v2 API
> Reporter: Shalin Shekhar Mangar
> Assignee: Noble Paul
> Priority: Major
> Fix For: 7.6, master (8.0)
>
>
> I was working with Noble Paul to investigate test failures seen in SOLR-12806
> where we found this issue. Due to a bug, replicas of a collection weren't
> spread evenly so there were some nodes which did not have any replicas at
> all. In such cases, when a v2 API call hits an empty node, it is not
> forwarded to the right path on the remote node causing test failures.
> e.g. a call to {{/c/collection/_introspect}} is forwarded as
> {{http://127.0.0.1:63326/solr/collection1/_introspect?method=POST&wt=javabin&version=2&command=XXXX}}
> and {{/c/collection1/abccdef}} is forwarded as
> {{http://127.0.0.1:63326/solr/collection1/abccdef}}
> In summary, a remote query for v2 API from an empty node is converted to a v1
> style call which may not be a valid path. We should forward v2 API calls
> as-is without changing the paths.
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