[
https://issues.apache.org/jira/browse/SOLR-8295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hoss Man updated SOLR-8295:
---------------------------
Description: When collapsing on a field that doesn't exist for all
documents, the existence of a segment that does not contain any documents that
have a value can cause an NPE as the collapse parser assumes the DocValues for
a segment will always be non-null. (was: From
https://builds.apache.org/job/Lucene-Solr-Tests-trunk-Java8/629/ - reproduces
for me:
{noformat}
[junit4] 2> NOTE: reproduce with: ant test
-Dtestcase=TestRandomCollapseQParserPlugin
-Dtests.method=testRandomCollpaseWithSort -Dtests.seed=EB40CE4410753BB
-Dtests.multiplier=2 -Dtests.slow=true -Dtests.locale=es_PY
-Dtests.timezone=Asia/Oral -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
[junit4] ERROR 11.7s J2 |
TestRandomCollapseQParserPlugin.testRandomCollpaseWithSort <<<
[junit4] > Throwable #1:
org.apache.solr.client.solrj.SolrServerException:
org.apache.solr.client.solrj.SolrServerException: java.lang.NullPointerException
[junit4] > at
__randomizedtesting.SeedInfo.seed([EB40CE4410753BB:B097F2D6AAF6048]:0)
[junit4] > at
org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.request(EmbeddedSolrServer.java:240)
[junit4] > at
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:150)
[junit4] > at
org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:943)
[junit4] > at
org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:958)
[junit4] > at
org.apache.solr.search.TestRandomCollapseQParserPlugin.testRandomCollpaseWithSort(TestRandomCollapseQParserPlugin.java:164)
[junit4] > at java.lang.Thread.run(Thread.java:745)
[junit4] > Caused by: org.apache.solr.client.solrj.SolrServerException:
java.lang.NullPointerException
[junit4] > at
org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.checkForExceptions(EmbeddedSolrServer.java:252)
[junit4] > at
org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.request(EmbeddedSolrServer.java:180)
[junit4] > ... 43 more
[junit4] > Caused by: java.lang.NullPointerException
[junit4] > at
org.apache.solr.search.CollapsingQParserPlugin$IntFieldValueCollector.collect(CollapsingQParserPlugin.java:1109)
[junit4] > at
org.apache.lucene.search.MatchAllDocsQuery$1$1.score(MatchAllDocsQuery.java:56)
[junit4] > at
org.apache.lucene.search.BulkScorer.score(BulkScorer.java:39)
[junit4] > at
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:670)
[junit4] > at
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:474)
[junit4] > at
org.apache.solr.search.SolrIndexSearcher.buildAndRunCollectorChain(SolrIndexSearcher.java:203)
[junit4] > at
org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1692)
[junit4] > at
org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1508)
[junit4] > at
org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:562)
[junit4] > at
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:519)
[junit4] > at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:276)
[junit4] > at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:151)
[junit4] > at
org.apache.solr.core.SolrCore.execute(SolrCore.java:2079)
[junit4] > at
org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.request(EmbeddedSolrServer.java:179)
[junit4] > ... 43 more
{noformat})
Summary: collapse parser can trigger NPE when a segment has empty
DocValues for collapse field (ie: no doc in segment has a value) (was:
TestRandomCollapseQParserPlugin.testRandomCollapseWithSort() NPE)
Updated summary & description to clarify root cause.
The underlying bug predates SOLR-6168, (i think it has been arround for as long
as the collapse parser has existed?) but was uncovered due to random testing
added by that issue.
Initial report...
{panel}
>From https://builds.apache.org/job/Lucene-Solr-Tests-trunk-Java8/629/ -
>reproduces for me:
{noformat}
[junit4] 2> NOTE: reproduce with: ant test
-Dtestcase=TestRandomCollapseQParserPlugin
-Dtests.method=testRandomCollpaseWithSort -Dtests.seed=EB40CE4410753BB
-Dtests.multiplier=2 -Dtests.slow=true -Dtests.locale=es_PY
-Dtests.timezone=Asia/Oral -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
[junit4] ERROR 11.7s J2 |
TestRandomCollapseQParserPlugin.testRandomCollpaseWithSort <<<
[junit4] > Throwable #1:
org.apache.solr.client.solrj.SolrServerException:
org.apache.solr.client.solrj.SolrServerException: java.lang.NullPointerException
[junit4] > at
__randomizedtesting.SeedInfo.seed([EB40CE4410753BB:B097F2D6AAF6048]:0)
[junit4] > at
org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.request(EmbeddedSolrServer.java:240)
[junit4] > at
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:150)
[junit4] > at
org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:943)
[junit4] > at
org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:958)
[junit4] > at
org.apache.solr.search.TestRandomCollapseQParserPlugin.testRandomCollpaseWithSort(TestRandomCollapseQParserPlugin.java:164)
[junit4] > at java.lang.Thread.run(Thread.java:745)
[junit4] > Caused by: org.apache.solr.client.solrj.SolrServerException:
java.lang.NullPointerException
[junit4] > at
org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.checkForExceptions(EmbeddedSolrServer.java:252)
[junit4] > at
org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.request(EmbeddedSolrServer.java:180)
[junit4] > ... 43 more
[junit4] > Caused by: java.lang.NullPointerException
[junit4] > at
org.apache.solr.search.CollapsingQParserPlugin$IntFieldValueCollector.collect(CollapsingQParserPlugin.java:1109)
[junit4] > at
org.apache.lucene.search.MatchAllDocsQuery$1$1.score(MatchAllDocsQuery.java:56)
[junit4] > at
org.apache.lucene.search.BulkScorer.score(BulkScorer.java:39)
[junit4] > at
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:670)
[junit4] > at
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:474)
[junit4] > at
org.apache.solr.search.SolrIndexSearcher.buildAndRunCollectorChain(SolrIndexSearcher.java:203)
[junit4] > at
org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1692)
[junit4] > at
org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1508)
[junit4] > at
org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:562)
[junit4] > at
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:519)
[junit4] > at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:276)
[junit4] > at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:151)
[junit4] > at
org.apache.solr.core.SolrCore.execute(SolrCore.java:2079)
[junit4] > at
org.apache.solr.client.solrj.embedded.EmbeddedSolrServer.request(EmbeddedSolrServer.java:179)
[junit4] > ... 43 more
{noformat}
{panel}
> collapse parser can trigger NPE when a segment has empty DocValues for
> collapse field (ie: no doc in segment has a value)
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-8295
> URL: https://issues.apache.org/jira/browse/SOLR-8295
> Project: Solr
> Issue Type: Bug
> Reporter: Steve Rowe
> Assignee: Hoss Man
>
> When collapsing on a field that doesn't exist for all documents, the
> existence of a segment that does not contain any documents that have a value
> can cause an NPE as the collapse parser assumes the DocValues for a segment
> will always be non-null.
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