jtreg throws StackOverflowError when writing xml report

[Jonathan Gibbons]

Martin,

Given the [SNIP] in the middle of the trace, I would think we are seeing
>> com.sun.org.apache.xml.internal.serializer.EncodingInfo 
>> $EncodingImpl.isInEncoding(EncodingInfo.java:181)
invoking itself recursively.

-- Jon

On Feb 15, 2009, at 4:46 PM, Martin Buchholz wrote:

> There have been recent changes to the
> UTF_8 encoder in OpenJDK that might be responsible.
> You can try to isolate the exact change to UTF_8 that
> could cause this difference, and then create a proper test case.
>
> changeset:   497:3dcc69147ff9
> user:        sherman
> date:        Fri Aug 22 14:37:46 2008 -0700
> summary:     4486841: UTF-8 decoder should adhere to corrigendum to
> Unicode 3.0.1
>
> It is surprising that one can get StackOverflowError without
> a very long stack trace of methods invoking themselves recursively,
> which is not what we're seeing.
>
> Martin
>
> On Wed, Feb 11, 2009 at 10:38, Omair Majid <omajid at redhat.com> wrote:
>> Hi all,
>>
>> I am trying to generate xml reports from jtreg. The problem is that  
>> jtreg
>> throws a StackOverflowError when writing the output xml file when  
>> running
>> the jdk tests. The xml report works fine for the 16 compiler tests  
>> and 1351
>> langtools tests.
>>
>> I am using Icedtea6 to run the tests. These are the commands it  
>> executes:
>>
>> $ mkdir -p test/jdk/JTwork test/jdk/JTreport
>> $ /notnfs/omajid/icedtea6/bootstrap/jdk1.6.0/bin/java \
>>       -Djavatest.report.kinds="xml text html" \
>>       -jar test/jtreg.jar -v1 -a -ignore:quiet \
>>       -w:test/jdk/JTwork -r:test/jdk/JTreport \
>>       -s -jdk:`pwd`/openjdk/control/build/linux-i586/j2sdk-image \
>>       `pwd`/openjdk/jdk/test \
>>       | tee test/check-jdk.log
>>
>> The error appears after the jtreg run completes:
>>
>> [ lots of output ]
>> Passed: vm/verifier/VerifyProtectedConstructor.java
>> Passed: vm/verifier/VerifyStackForExceptionHandlers.java
>> Test results: passed: 3,306; failed: 73; error: 5
>> Exception in thread "main" java.lang.StackOverflowError
>>   at sun.nio.cs.UTF_8.updatePositions(UTF_8.java:76)
>>   at sun.nio.cs.UTF_8$Encoder.encodeArrayLoop(UTF_8.java:411)
>>   at sun.nio.cs.UTF_8$Encoder.encodeLoop(UTF_8.java:466)
>>   at java.nio.charset.CharsetEncoder.encode(CharsetEncoder.java:561)
>>   at java.lang.StringCoding$StringEncoder.encode(StringCoding.java: 
>> 258)
>>   at java.lang.StringCoding.encode(StringCoding.java:290)
>>   at java.lang.String.getBytes(String.java:954)
>>   at
>> com 
>> .sun 
>> .org 
>> .apache 
>> .xml.internal.serializer.EncodingInfo.inEncoding(EncodingInfo.java: 
>> 413)
>>   at
>> com.sun.org.apache.xml.internal.serializer.EncodingInfo.access 
>> $100(EncodingInfo.java:62)
>>   at
>> com.sun.org.apache.xml.internal.serializer.EncodingInfo 
>> $EncodingImpl.isInEncoding(EncodingInfo.java:205)
>>   at
>> com.sun.org.apache.xml.internal.serializer.EncodingInfo 
>> $EncodingImpl.isInEncoding(EncodingInfo.java:181)
>>   at
>> com.sun.org.apache.xml.internal.serializer.EncodingInfo 
>> $EncodingImpl.isInEncoding(EncodingInfo.java:181)
>>   [...SNIP...]
>>   at
>> com.sun.org.apache.xml.internal.serializer.EncodingInfo 
>> $EncodingImpl.isInEncoding(EncodingInfo.java:181)
>>
>>
>> Has anyone ever seen this before?
>>
>> Thanks,
>> Omair
>>
>>