harmony-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Alexey Varlamov" <alexey.v.varla...@gmail.com>
Subject Re: [drlvm] New regression: java.lang.ClassGenericsTest4
Date Wed, 15 Nov 2006 07:23:09 GMT
Heh, this regression is more interesting than it looked at first glance:
JITs give the same output with identical stack trace, but test result is PASSED.
By lucky chance I have older debug build at hand (svn = r474646) and
it also spills this stacktrace to system err but status is PASSED for
all execution engines.
Looks like smth hase changed in exceptions processing for interpreter.

2006/11/15, Gregory Shimansky <gshimansky@gmail.com>:
> Hello
>
> Today a kernel tests which used to pass a day ago started to fail. It is
> java.lang.ClassGenericsTest4 (subtest test_3) [1]. I tried to revert some VM
> and classlib (since some important classes like URLClassLoader, Hashtable and
> TreeMap were changed recently) patches but no reversion helped. It may be a
> cumulative effect of the patches now makes the test fail.
>
> It fails somewhere deep inside of signature parser. The problem is also that
> class format parses uses antlr which makes the whole parsing quite complex.
> The failure happens on a BadSignatureTemplate class which is constructed from
> bytes, parsed and its method is invoked. Apparently it has a wrong signature
> (surprise :) ).
>
> The whole purpose of the test is not clear to me more surprising is that it
> works on RI (not on BEA). If someone could point to what may be wrong now
> with this test I would be very grateful.
>
> I also wonder why there is no InvocationTargetException which should be
> chained with the down the stack Exception. The test_3 method uses reflection
> to invoke a method BadSignatureTemplate.test_1 which in its turn threw an
> Exception in parser. Shouldn't there be an InvocationTargetException as the
> result of Method.invoke?
>
> Where can I look at BadSignatureTemplate.java, specifically line 13 which
> according to the stack called Class.getTypeParameters?
>
> [1]
>
> [gregory@localhost:
> 10113$] ./lnx_ia32_gcc_debug/deploy/jre/bin/java -Xint -Xbootclasspath/a:./lnx_ia32_gcc_debug/semis/kernel.tests/classes:./make/tmp/junit.jar
-Dtest.resource.path=./lnx_ia32_gcc_debug/semis/kernel.tests/resources
> junit.textui.TestRunner java.lang.ClassGenericsTest4
> ..../lnx_ia32_gcc_debug/semis/kernel.tests/resources/org/apache/harmony/lang/generics/BadSignatureTemplate.class
> java.lang.Exception
>        at
> org.apache.harmony.lang.reflect.parser.SignatureLexer2.nextToken(SignatureLexer2.java:420)
>        at antlr.TokenBuffer.fill(TokenBuffer.java:69)
>        at antlr.TokenBuffer.LA(TokenBuffer.java:80)
>        at antlr.LLkParser.LA(LLkParser.java:52)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__SIMPLE_CLASS_TYPE_SIGNATURE(SignatureParser.java:1457)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__CLASS_TYPE_SIGNATURE_SUFFIXES(SignatureParser.java:1736)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__REFERENCE(SignatureParser.java:1408)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__CLASS_TYPE_SIGNATURE(SignatureParser.java:980)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__FIELD_TYPE_SIGNATURE(SignatureParser.java:844)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__BOUND(SignatureParser.java:1311)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__CLASS_OR_INTERFACE_BOUNDS(SignatureParser.java:1278)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__FORMAL_TYPE_PARAMETER(SignatureParser.java:1183)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__FORMAL_TYPE_PARAMETERS(SignatureParser.java:1152)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__FORMAL_TYPE_PARAMETERS_DECL(SignatureParser.java:951)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__CLASS_DECL(SignatureParser.java:535)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__DECL(SignatureParser.java:480)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.parseSignature(SignatureParser.java:378)
>        at
> org.apache.harmony.lang.reflect.parser.Parser.parseSignature(Parser.java:38)
>        at java.lang.Class$GACache.getTypeParameters(Class.java:1551)
>        at java.lang.Class.getTypeParameters(Class.java:1020)
>        at org.apache.harmony.lang.generics.BadSignatureTemplate.test_1
> (BadSignatureTemplate.java:13)
>        at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
>        at java.lang.reflect.Method.invoke(Method.java:381)
>        at java.lang.ClassGenericsTest4.test_3(ClassGenericsTest4.java:793)
>        at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
>        at java.lang.reflect.Method.invoke(Method.java:381)
>        at junit.framework.TestCase.runTest(TestCase.java:154)
>        at junit.framework.TestCase.runBare(TestCase.java:127)
>        at junit.framework.TestResult$1.protect(TestResult.java:106)
>        at junit.framework.TestResult.runProtected(TestResult.java:124)
>        at junit.framework.TestResult.run(TestResult.java:109)
>        at junit.framework.TestCase.run(TestCase.java:118)
>        at junit.framework.TestSuite.runTest(TestSuite.java:208)
>        at junit.framework.TestSuite.run(TestSuite.java:203)
>        at junit.textui.TestRunner.doRun(TestRunner.java:116)
>        at junit.textui.TestRunner.start(TestRunner.java:172)
>        at junit.textui.TestRunner.main(TestRunner.java:138)
> ===nextToken===: java.lang.Exception
> antlr.TokenStreamException
>        at
> org.apache.harmony.lang.reflect.parser.SignatureLexer2.nextToken(SignatureLexer2.java:434)
>        at antlr.TokenBuffer.fill(TokenBuffer.java:69)
>        at antlr.TokenBuffer.LA(TokenBuffer.java:80)
>        at antlr.LLkParser.LA(LLkParser.java:52)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__SIMPLE_CLASS_TYPE_SIGNATURE(SignatureParser.java:1457)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__CLASS_TYPE_SIGNATURE_SUFFIXES(SignatureParser.java:1736)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__REFERENCE(SignatureParser.java:1408)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__CLASS_TYPE_SIGNATURE(SignatureParser.java:980)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__FIELD_TYPE_SIGNATURE(SignatureParser.java:844)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__BOUND(SignatureParser.java:1311)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__CLASS_OR_INTERFACE_BOUNDS(SignatureParser.java:1278)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__FORMAL_TYPE_PARAMETER(SignatureParser.java:1183)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__FORMAL_TYPE_PARAMETERS(SignatureParser.java:1152)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__FORMAL_TYPE_PARAMETERS_DECL(SignatureParser.java:951)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__CLASS_DECL(SignatureParser.java:535)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.pr__DECL(SignatureParser.java:480)
>        at
> org.apache.harmony.lang.reflect.parser.SignatureParser.parseSignature(SignatureParser.java:378)
>        at
> org.apache.harmony.lang.reflect.parser.Parser.parseSignature(Parser.java:38)
>        at java.lang.Class$GACache.getTypeParameters(Class.java:1551)
>        at java.lang.Class.getTypeParameters(Class.java:1020)
>        at org.apache.harmony.lang.generics.BadSignatureTemplate.test_1
> (BadSignatureTemplate.java:13)
>        at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
>        at java.lang.reflect.Method.invoke(Method.java:381)
>        at java.lang.ClassGenericsTest4.test_3(ClassGenericsTest4.java:793)
>        at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
>        at java.lang.reflect.Method.invoke(Method.java:381)
>        at junit.framework.TestCase.runTest(TestCase.java:154)
>        at junit.framework.TestCase.runBare(TestCase.java:127)
>        at junit.framework.TestResult$1.protect(TestResult.java:106)
>        at junit.framework.TestResult.runProtected(TestResult.java:124)
>        at junit.framework.TestResult.run(TestResult.java:109)
>        at junit.framework.TestCase.run(TestCase.java:118)
>        at junit.framework.TestSuite.runTest(TestSuite.java:208)
>        at junit.framework.TestSuite.run(TestSuite.java:203)
>        at junit.textui.TestRunner.doRun(TestRunner.java:116)
>        at junit.textui.TestRunner.start(TestRunner.java:172)
>        at junit.textui.TestRunner.main(TestRunner.java:138)
> TokenStreamException: antlr.TokenStreamException
> E
> Time: 71.596
> There was 1 error:
> 1) test_3(java.lang.ClassGenericsTest4)java.lang.NullPointerException
>
>
> --
> Gregory Shimansky, Intel Middleware Products Division
>

Mime
View raw message