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https://issues.apache.org/jira/browse/SOLR-17392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17871214#comment-17871214
]
David Smiley commented on SOLR-17392:
-------------------------------------
Can we assume the new segment/SolrIndexSearcher multiThreaded thing is off?
> Reproducing failure in TestExportWriter (bits = null NPE)
> ---------------------------------------------------------
>
> Key: SOLR-17392
> URL: https://issues.apache.org/jira/browse/SOLR-17392
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Gus Heck
> Priority: Major
>
> While running the test suite locally I came across the NPE below. I notice
> that there are a couple other issues out there that hit NPE in
> BitsetIterator<init> as well. There might be some need for static analysis to
> flag any case where the constructor might be passed a null bitset (The
> constructor calls .length() blindly on whatever is passed in)
> 2> 4915 INFO
> (TEST-TestExportWriter.testRandomNumerics-seed#[4D8B4D17DC5E971F]) [n: c: s:
> r: x: t:] o.a.s.SolrTestCaseJ4 ###Ending testRandomNumerics
> > java.io.IOException: java.lang.NullPointerException: Cannot invoke
> "org.apache.lucene.util.BitSet.length()" because "bits" is null
> > at
> __randomizedtesting.SeedInfo.seed([4D8B4D17DC5E971F:7E9A173E1EE4C6F2]:0)
> > at
> org.apache.solr.handler.export.ExportWriter$SegmentIterator.topDocs(ExportWriter.java:840)
> > at
> org.apache.solr.handler.export.ExportWriter$SegmentIterator.<init>(ExportWriter.java:782)
> > at
> org.apache.solr.handler.export.ExportWriter.getMergeIterator(ExportWriter.java:754)
> > at
> org.apache.solr.handler.export.ExportBuffers.<init>(ExportBuffers.java:97)
> > at
> org.apache.solr.handler.export.ExportWriter.writeDocs(ExportWriter.java:395)
> > at
> org.apache.solr.handler.export.ExportWriter.lambda$_write$1(ExportWriter.java:344)
> > at
> org.apache.solr.common.util.JsonTextWriter.writeIterator(JsonTextWriter.java:150)
> > at
> org.apache.solr.common.util.TextWriter.writeIterator(TextWriter.java:260)
> > at
> org.apache.solr.common.util.TextWriter.writeVal(TextWriter.java:86)
> > at
> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:213)
> > at
> org.apache.solr.common.util.TextWriter.writeVal(TextWriter.java:48)
> > at
> org.apache.solr.common.util.JsonTextWriter$2.put(JsonTextWriter.java:187)
> > at
> org.apache.solr.handler.export.ExportWriter.lambda$_write$2(ExportWriter.java:344)
> > at
> org.apache.solr.common.util.JsonTextWriter.writeMap(JsonTextWriter.java:174)
> > at
> org.apache.solr.common.util.TextWriter.writeMap(TextWriter.java:251)
> > at
> org.apache.solr.common.util.TextWriter.writeVal(TextWriter.java:88)
> > at
> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:213)
> > at
> org.apache.solr.common.util.TextWriter.writeVal(TextWriter.java:48)
> > at
> org.apache.solr.common.util.JsonTextWriter$2.put(JsonTextWriter.java:187)
> > at
> org.apache.solr.handler.export.ExportWriter.lambda$_write$3(ExportWriter.java:339)
> > at
> org.apache.solr.common.util.JsonTextWriter.writeMap(JsonTextWriter.java:174)
> > at
> org.apache.solr.handler.export.ExportWriter._write(ExportWriter.java:336)
> > at
> org.apache.solr.handler.export.ExportWriter.write(ExportWriter.java:195)
> > at org.apache.solr.core.SolrCore$3.write(SolrCore.java:3045)
> > at org.apache.solr.util.TestHarness.query(TestHarness.java:361)
> > at org.apache.solr.util.TestHarness.query(TestHarness.java:333)
> > at
> org.apache.solr.handler.export.TestExportWriter.doTestQuery(TestExportWriter.java:1483)
> > at
> org.apache.solr.handler.export.TestExportWriter.testRandomNumerics(TestExportWriter.java:1108)
> > at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
> > at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> > at java.base/java.lang.reflect.Method.invoke(Method.java:569)
> > at
> com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
> > at
> com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
> > at
> com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
> > at
> com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
> > at
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
> > at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> > at
> org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:48)
> > at
> org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
> > at
> org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
> > at
> org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
> > at
> org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
> > at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> > at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> > at
> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
> > at
> com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
> > at
> com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
> > at
> com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
> > at
> com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
> > at
> com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
> > at
> com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
> > at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> > at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> > at
> org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
> > at
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:80)
> > at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> > at
> org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
> > at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> > at
> org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
> > at
> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
> > at
> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
> > at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> > at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> > at
> org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
> > at
> org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
> > at
> org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
> > at
> org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
> > at
> org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
> > at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> > at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> > at
> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
> > at
> com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
> > at java.base/java.lang.Thread.run(Thread.java:840)
> >
> > Caused by:
> > java.lang.NullPointerException: Cannot invoke
> "org.apache.lucene.util.BitSet.length()" because "bits" is null
> > at
> org.apache.lucene.util.BitSetIterator.<init>(BitSetIterator.java:63)
> > at
> org.apache.solr.handler.export.ExportWriter$SegmentIterator.topDocs(ExportWriter.java:817)
> > ... 73 more
> 2> NOTE: reproduce with: gradlew test --tests
> TestExportWriter.testRandomNumerics -Dtests.seed=4D8B4D17DC5E971F
> -Dtests.locale=ak-GH -Dtests.timezone=Asia/Ulaanbaatar -Dtests.asserts=true
> -Dtests.file.encoding=UTF-8
>
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