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  1. Lucene - Core
  2. LUCENE-5775

JaspellTernarySearchTrie.ramBytesUsed hits StackOverflowError

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    • Bug
    • Status: Open
    • Minor
    • Resolution: Unresolved
    • None
    • 4.9, 6.0
    • None
    • None
    • New

    Description

      I hit this when trying to run LookupBenchmarkTest for LUCENE-5752:

         [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=LookupBenchmarkTest -Dtests.method=testStorageNeeds -Dtests.seed=EA0FADB2EE37D385 -Dtests.locale=es_ES -Dtests.timezone=Etc/Greenwich -Dtests.file.encoding=UTF-8
         [junit4] ERROR   1.89s | LookupBenchmarkTest.testStorageNeeds <<<
         [junit4]    > Throwable #1: java.lang.StackOverflowError
         [junit4]    > 	at __randomizedtesting.SeedInfo.seed([EA0FADB2EE37D385:DF8106BCB29C472F]:0)
         [junit4]    > 	at java.lang.Class.getMethod0(Class.java:2774)
         [junit4]    > 	at java.lang.Class.isCheckMemberAccessOverridden(Class.java:2214)
         [junit4]    > 	at java.lang.Class.checkMemberAccess(Class.java:2233)
         [junit4]    > 	at java.lang.Class.getDeclaredFields(Class.java:1805)
         [junit4]    > 	at org.apache.lucene.util.RamUsageEstimator.shallowSizeOfInstance(RamUsageEstimator.java:351)
         [junit4]    > 	at org.apache.lucene.util.RamUsageEstimator.shallowSizeOf(RamUsageEstimator.java:329)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:100)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
         [junit4]    > 	at org.apache.lucene.search.suggest.jaspell.JaspellTernarySearchTrie$TSTNode.ramBytesUsed(JaspellTernarySearchTrie.java:103)
      

      I think we should just remove/deprecate this suggester? The FST based suggesters are far more RAM efficient...

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              mikemccand Michael McCandless
              mikemccand Michael McCandless
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                Created:
                Updated: