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https://issues.apache.org/jira/browse/SOLR-6381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14098806#comment-14098806
]
Uwe Schindler commented on SOLR-6381:
-------------------------------------
This must be the RAM accounting, because the classLoader private field is new
in Java 9 (added for speed). So its for sure the RAM accounting that enumerates
all fields of Class to measure them. And this fails with SecurityException. I
think @dweiss should maybe not follow "Class" objects.
> TIKA Language Processor does not work with Java 9
> -------------------------------------------------
>
> Key: SOLR-6381
> URL: https://issues.apache.org/jira/browse/SOLR-6381
> Project: Solr
> Issue Type: Bug
> Components: contrib - LangId
> Reporter: Uwe Schindler
>
> I am currently doing tests with Java 9 build 26. It looks like everything
> works, but the TIKA Language Processor throws a SecurityException because of:
> http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/48af79ee59bb
> This was added to Java 9 to prevent reflective access to some fields in
> java.lang.Class.
> I have no idea why TIKA or this Solr contrib wants to access the
> "classLoader" private field with reflective access. Maybe it has something to
> do with the test framework and RAM accounting, maybe [~dweiss] knows more.
> The stack trace says nothing to me, looks like a separate thread outside the
> test runner.
> Maybe some class in LaguageProcessor has a static field referring to a class,
> so it is used for RAM accounting...:
> {noformat}
> -test:
> [junit4] <JUnit4> says salut! Master seed: A9C182BC3E2868C4
> [junit4] Your default console's encoding may not display certain unicode
> glyphs: windows-1252
> [junit4] Executing 2 suites with 2 JVMs.
> [junit4]
> [junit4] Started J0 PID(9336@VEGA).
> [junit4] Started J1 PID(2092@VEGA).
> [junit4] Suite:
> org.apache.solr.update.processor.LangDetectLanguageIdentifierUpdateProcessorFactoryTest
> [junit4] 2> Creating dataDir: C:\Users\Uwe
> Schindler\Projects\lucene\trunk-lusolr1\solr\build\contrib\solr-langid\test\J1\.\temp\solr.update.processor.LangDetectLanguageIdentifierUpdateProcessorFactoryTest-A9C182BC3E2868C4-001\init-core-data-001
> [junit4] 2> log4j:WARN No appenders could be found for logger
> (org.apache.solr.SolrTestCaseJ4).
> [junit4] 2> log4j:WARN Please initialize the log4j system properly.
> [junit4] 2> log4j:WARN See
> http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
> [junit4] 2> NOTE: test params are: codec=Lucene41,
> sim=RandomSimilarityProvider(queryNorm=false,coord=crazy): {}, locale=en_NZ,
> timezone=Etc/GMT+6
> [junit4] 2> NOTE: Windows 7 6.1 amd64/Oracle Corporation 1.9.0-ea
> (64-bit)/cpus=8,threads=1,free=134364528,total=199753728
> [junit4] 2> NOTE: All tests run in this JVM:
> [LangDetectLanguageIdentifierUpdateProcessorFactoryTest]
> [junit4] 2> NOTE: reproduce with: ant test
> -Dtestcase=LangDetectLanguageIdentifierUpdateProcessorFactoryTest
> -Dtests.seed=A9C182BC3E2868C4 -Dtests.locale=en_NZ -Dtests.timezone=Etc/GMT+6
> -Dtests.file.encoding=UTF-8
> [junit4] ERROR 0.00s J1 |
> LangDetectLanguageIdentifierUpdateProcessorFactoryTest (suite) <<<
> [junit4] > Throwable #1: java.lang.SecurityException: Cannot make
> java.lang.Class.classLoader accessible
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([A9C182BC3E2868C4]:0)
> [junit4] > at
> java.lang.reflect.AccessibleObject.setAccessible0(AccessibleObject.java:147)
> [junit4] > at
> java.lang.reflect.AccessibleObject.setAccessible(AccessibleObject.java:129)
> [junit4] > at java.lang.Thread.run(Thread.java:745)
> [junit4] Completed on J1 in 7.35s, 9 tests, 1 error <<< FAILURES!
> [junit4]
> [junit4] Suite:
> org.apache.solr.update.processor.TikaLanguageIdentifierUpdateProcessorFactoryTest
> [junit4] 2> Creating dataDir: C:\Users\Uwe
> Schindler\Projects\lucene\trunk-lusolr1\solr\build\contrib\solr-langid\test\J0\.\temp\solr.update.processor.TikaLanguageIdentifierUpdateProcessorFactoryTest-A9C182BC3E2868C4-001\init-core-data-001
> [junit4] 2> log4j:WARN No appenders could be found for logger
> (org.apache.solr.SolrTestCaseJ4).
> [junit4] 2> log4j:WARN Please initialize the log4j system properly.
> [junit4] 2> log4j:WARN See
> http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
> [junit4] 2> NOTE: test params are:
> codec=FastCompressingStoredFields(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=FAST,
> chunkSize=185),
> termVectorsFormat=CompressingTermVectorsFormat(compressionMode=FAST,
> chunkSize=185)), sim=RandomSimilarityProvider(queryNorm=true,coord=no): {},
> locale=hu, timezone=Australia/ACT
> [junit4] 2> NOTE: Windows 7 6.1 amd64/Oracle Corporation 1.9.0-ea
> (64-bit)/cpus=8,threads=1,free=90090688,total=200278016
> [junit4] 2> NOTE: All tests run in this JVM:
> [TikaLanguageIdentifierUpdateProcessorFactoryTest]
> [junit4] 2> NOTE: reproduce with: ant test
> -Dtestcase=TikaLanguageIdentifierUpdateProcessorFactoryTest
> -Dtests.seed=A9C182BC3E2868C4 -Dtests.locale=hu
> -Dtests.timezone=Australia/ACT -Dtests.file.encoding=UTF-8
> [junit4] ERROR 0.00s J0 |
> TikaLanguageIdentifierUpdateProcessorFactoryTest (suite) <<<
> [junit4] > Throwable #1: java.lang.SecurityException: Cannot make
> java.lang.Class.classLoader accessible
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([A9C182BC3E2868C4]:0)
> [junit4] > at
> java.lang.reflect.AccessibleObject.setAccessible0(AccessibleObject.java:147)
> [junit4] > at
> java.lang.reflect.AccessibleObject.setAccessible(AccessibleObject.java:129)
> [junit4] > at java.lang.Thread.run(Thread.java:745)
> [junit4] Completed on J0 in 7.63s, 9 tests, 1 error <<< FAILURES!
> [junit4]
> [junit4]
> [junit4] Tests with failures:
> [junit4] -
> org.apache.solr.update.processor.LangDetectLanguageIdentifierUpdateProcessorFactoryTest
> (suite)
> [junit4] -
> org.apache.solr.update.processor.TikaLanguageIdentifierUpdateProcessorFactoryTest
> (suite)
> [junit4]
> [junit4]
> [junit4] JVM J0: 0.74 .. 9.37 = 8.63s
> [junit4] JVM J1: 0.74 .. 9.32 = 8.58s
> [junit4] Execution time total: 9.38 sec.
> [junit4] Tests summary: 2 suites, 18 tests, 2 suite-level errors
> {noformat}
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