[
https://issues.apache.org/jira/browse/LUCENE-4111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289375#comment-13289375
]
Dawid Weiss commented on LUCENE-4111:
-------------------------------------
This seed: CD6C0ED0996D1439 corresponds to this pattern/input type:
{code}
Pattern p = Pattern.compile("(.|.)+x");
String s = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
{code}
Maybe we should resign from alternatives? Or constraint *+ operators and use
{0,n} or {1,n} instead?
> More spinning/endless loop problems with random regex in
> org.apache.lucene.analysis.pattern.TestPatternReplaceCharFilter.testRandomStrings
> ------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-4111
> URL: https://issues.apache.org/jira/browse/LUCENE-4111
> Project: Lucene - Java
> Issue Type: Bug
> Components: modules/analysis
> Affects Versions: 4.0
> Reporter: Uwe Schindler
> Assignee: Dawid Weiss
>
> The Linux Jenkins server (and also the windows one while I was on vacation)
> were hanging almost infinite:
> Stack trace (including seeks):
> {noformat}
> Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.7-b02 mixed mode):
> "TEST-TestScope-org.apache.lucene.analysis.pattern.TestPatternReplaceCharFilter.testRandomStrings-seed#[A1E6315575F637C6]"
> prio=6 ti
> d=0x0000000006cda000 nid=0x1e34 runnable [0x0000000006bab000]
> java.lang.Thread.State: RUNNABLE
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$Curly.match0(Pattern.java:3789)
> at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
> at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.match(Pattern.java:4357)
> at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
> at java.util.regex.Pattern$BranchConn.match(Pattern.java:4078)
> at java.util.regex.Pattern$CharProperty.match(Pattern.java:3345)
> at java.util.regex.Pattern$Branch.match(Pattern.java:4114)
> at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
> at java.util.regex.Pattern$LazyLoop.matchInit(Pattern.java:4378)
> at java.util.regex.Pattern$Prolog.match(Pattern.java:4251)
> at java.util.regex.Pattern$Start.match(Pattern.java:3055)
> at java.util.regex.Matcher.search(Matcher.java:1105)
> at java.util.regex.Matcher.find(Matcher.java:535)
> at
> org.apache.lucene.analysis.pattern.PatternReplaceCharFilter.processPattern(PatternReplaceCharFilter.java:92)
> at
> org.apache.lucene.analysis.pattern.PatternReplaceCharFilter.read(PatternReplaceCharFilter.java:72)
> at java.io.Reader.read(Reader.java:104)
> at
> org.apache.lucene.analysis.MockTokenizer.readCodePoint(MockTokenizer.java:142)
> at
> org.apache.lucene.analysis.MockTokenizer.incrementToken(MockTokenizer.java:109)
> at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkAnalysisConsistency(BaseTokenStreamTestCase.java:558)
> at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkRandomData(BaseTokenStreamTestCase.java:488)
> at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkRandomData(BaseTokenStreamTestCase.java:430)
> at
> org.apache.lucene.analysis.BaseTokenStreamTestCase.checkRandomData(BaseTokenStreamTestCase.java:424)
> at
> org.apache.lucene.analysis.pattern.TestPatternReplaceCharFilter.testRandomStrings(TestPatternReplaceCharFilter.java:322)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1969)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner.access$1100(RandomizedRunner.java:132)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:814)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:875)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:889)
> at
> org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
> at
> org.apache.lucene.util.TestRuleFieldCacheSanity$1.evaluate(TestRuleFieldCacheSanity.java:32)
> at
> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
> at
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
> at
> org.apache.lucene.util.TestRuleReportUncaughtExceptions$1.evaluate(TestRuleReportUncaughtExceptions.java:68)
> at
> org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
> at
> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:821)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner.access$700(RandomizedRunner.java:132)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$3$1.run(RandomizedRunner.java:669)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:695)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:734)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:745)
> at
> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
> at
> org.apache.lucene.util.TestRuleReportUncaughtExceptions$1.evaluate(TestRuleReportUncaughtExceptions.java:68)
> at
> org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
> at
> org.apache.lucene.util.TestRuleIcuHack$1.evaluate(TestRuleIcuHack.java:51)
> at
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
> at
> org.apache.lucene.util.TestRuleNoInstanceHooksOverrides$1.evaluate(TestRuleNoInstanceHooksOverrides.java:53)
> at
> org.apache.lucene.util.TestRuleNoStaticHooksShadowing$1.evaluate(TestRuleNoStaticHooksShadowing.java:52)
> at
> org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:36)
> at
> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
> at
> org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:56)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner.runSuite(RandomizedRunner.java:605)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner.access$400(RandomizedRunner.java:132)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$2.run(RandomizedRunner.java:551)
> {noformat}
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