Expecting a stackmap frame at branch target

[Frédéric Camblor]

Alan,

Woudn't there any -XX JVM parameter, on jdk7, allowing to get back jdk6
strategy about stack map tables ?
Or maybe stack map tables _must_ be ok starting from jdk7 (due to class file
specifications for example) ?

Frédéric Camblor  <http://fcamblor.wordpress.com/>
<http://www.twitter.com/fcamblor>
Bordeaux JUG <http://bordeauxjug.org/> Board member
Jenkins <http://jenkins-ci.org/> community member & plugin commiter


2011/9/12 Frédéric Camblor <fcamblor at gmail.com>

> Hi Alan,
>
> Thanks for you reply, you helped me to point out problem was about
> cobertura instrumentation which looks not compatible with Java 7
>
> I'll raise an issue on this topic on their issue tracker :)
>
>  Frédéric Camblor  <http://fcamblor.wordpress.com/> <http://www.twitter.com/fcamblor>
> Bordeaux JUG <http://bordeauxjug.org/> Board member
> Jenkins <http://jenkins-ci.org/> community member & plugin commiter
>
>
> 2011/9/12 Alan Bateman <Alan.Bateman at oracle.com>
>
>> Frédéric Camblor wrote:
>>
>>> Hi everyone !
>>>
>>> I just migrated to openjdk 7 on my project and, just after the upgrade,
>>> most
>>> of my unit test were in failure, throwing following exception :
>>>
>>> java.lang.VerifyError: Expecting a stackmap frame at branch target 81
>>> in method fr.fsh.bbeeg.common.config.**BBEEGConfiguration.<init>()V at
>>> offset 44
>>>
>>>
>>> When I go back to jdk 6, every tests are back to green :-)
>>>
>>>
>> Use od -x to look at the class file to see which class version it is.
>> Class files >= version 51 are verified (exclusively) by the type checking
>> verifier whereas with version 50 then if the verification fails it falls
>> back to the old type inferencing verifier. If you have something modifying
>> the class files then maybe it isn't updating the stack map tables and that
>> would explain the error. For your jdk6 test runs then try running with
>> -XX:-FailOverToOldVerifier and see if fails too.
>>
>> -Alan.
>>
>
>