[
https://issues.apache.org/jira/browse/SOLR-10824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16063400#comment-16063400
]
Steve Rowe commented on SOLR-10824:
-----------------------------------
Policeman Jenkins found a reproducing seed for
{{TestPullReplica.testKillLeader()}} that {{git bisect}} blames on commit
{{7c448623ccb}} on this issue
[https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/19974]:
{noformat}
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestPullReplica
-Dtests.method=testKillLeader -Dtests.seed=E7D383DCC0B7483C
-Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=ar-KW
-Dtests.timezone=Australia/Queensland -Dtests.asserts=true
-Dtests.file.encoding=UTF-8
[junit4] FAILURE 96.4s J2 | TestPullReplica.testKillLeader <<<
[junit4] > Throwable #1: java.lang.AssertionError: Replica state not
updated in cluster state
[junit4] > null
[junit4] > Live Nodes: [127.0.0.1:44447_solr, 127.0.0.1:34771_solr]
[junit4] > Last available state:
DocCollection(pull_replica_test_kill_leader//collections/pull_replica_test_kill_leader/state.json/6)={
[junit4] > "pullReplicas":"1",
[junit4] > "replicationFactor":"1",
[junit4] > "shards":{"shard1":{
[junit4] > "range":"80000000-7fffffff",
[junit4] > "state":"active",
[junit4] > "replicas":{
[junit4] > "core_node1":{
[junit4] >
"core":"pull_replica_test_kill_leader_shard1_replica_n1",
[junit4] > "base_url":"http://127.0.0.1:44447/solr";,
[junit4] > "node_name":"127.0.0.1:44447_solr",
[junit4] > "state":"down",
[junit4] > "type":"NRT",
[junit4] > "leader":"true"},
[junit4] > "core_node2":{
[junit4] >
"core":"pull_replica_test_kill_leader_shard1_replica_p1",
[junit4] > "base_url":"http://127.0.0.1:34771/solr";,
[junit4] > "node_name":"127.0.0.1:34771_solr",
[junit4] > "state":"active",
[junit4] > "type":"PULL"}}}},
[junit4] > "router":{"name":"compositeId"},
[junit4] > "maxShardsPerNode":"100",
[junit4] > "autoAddReplicas":"false",
[junit4] > "nrtReplicas":"1",
[junit4] > "tlogReplicas":"0"}
[junit4] > at
__randomizedtesting.SeedInfo.seed([E7D383DCC0B7483C:AEC57768A20CDC6A]:0)
[junit4] > at
org.apache.solr.cloud.SolrCloudTestCase.waitForState(SolrCloudTestCase.java:269)
[junit4] > at
org.apache.solr.cloud.TestPullReplica.doTestNoLeader(TestPullReplica.java:401)
[junit4] > at
org.apache.solr.cloud.TestPullReplica.testKillLeader(TestPullReplica.java:290)
[junit4] > at java.lang.Thread.run(Thread.java:748)
{noformat}
> java.lang.NullPointerException ExactSharedStatsCache.getPerShardTermStats
> --------------------------------------------------------------------------
>
> Key: SOLR-10824
> URL: https://issues.apache.org/jira/browse/SOLR-10824
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: search
> Affects Versions: 6.6
> Reporter: Mikhail Khludnev
> Priority: Minor
> Fix For: master (7.0), 6.7
>
> Attachments: SOLR-10824.patch, SOLR-10824.patch, SOLR-10824.patch
>
>
> {quote}
> INFO [qtp411311908-32] (SolrCore.java:2304) - [collection1_shard3_replica2]
> webapp=/solr path=/select
> params={..&distrib=false&_stateVer_=collection1:5...&shards.purpose=32768&shard.url=http://127.0.0.1:57114/solr/collection1_shard3_replica2/|http://127.0.0.1:57112/solr/collection1_shard3_replica1/&version=2....)&NOW=1496751847089&isShard=true&applicability.frm=FRM&wt=javabin}
> status=0 QTime=18
> INFO [qtp2123780104-30] (SolrCore.java:2304) - [collection1_shard1_replica1]
> ...
> INFO [qtp411311908-45] (SolrCore.java:2304) - [collection1_shard2_replica1]
> ...
> ERROR [qtp411311908-33] (SolrException.java:148) -
> java.lang.NullPointerException
> at
> org.apache.solr.search.stats.ExactSharedStatsCache.getPerShardTermStats(ExactSharedStatsCache.java:76)
> at
> org.apache.solr.search.stats.ExactStatsCache.sendGlobalStats(ExactStatsCache.java:233)
> at
> org.apache.solr.handler.component.QueryComponent.createMainQuery(QueryComponent.java:930)
> at
> org.apache.solr.handler.component.QueryComponent.regularDistributedProcess(QueryComponent.java:726)
> at
> org.apache.solr.handler.component.QueryComponent.distributedProcess(QueryComponent.java:679)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:345)
> INFO [qtp411311908-33] (SolrCore.java:2304) - [collection1_shard3_replica2]
> webapp=/solr path=/select params={...&wt=javabin&version=2} status=500
> QTime=82
> {quote}
> Switching to {{LRUStatsCache}} seems help.
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