Re: [Ikvm-developers] Crash in OpenJDK native method
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Re: [Ikvm-developers] Crash in OpenJDK native method
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From: Jeroen F. <je...@su...> - 2013-04-30 19:50:52
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The C# pattern for this is:
using ikvm.extensions;
try
{
...
}
catch (Exception x)
{
x.printStackTrace();
}
> -----Original Message-----
> From: Michael Kay [mailto:mi...@sa...]
> Sent: Tuesday, April 30, 2013 18:32
> To: Jeroen Frijters
> Cc: ikv...@li...
> Subject: Re: [Ikvm-developers] Crash in OpenJDK native method
>
> Thanks for the response. They've since reported that the same condition
> is occurring on a second machine.
>
> Any suggestions how we go about getting the Java stack trace (short of
> doing a diagnostic Saxon build to catch the exception in the Java code)?
> I'm not sure how the exception object that they eventually catch in
> their .NET code relates to the Java exception object that has worked its
> way down the stack. Will it be the same object, with a method to get the
> Java stack trace? Or will the .NET exception encapsulate the Java
> exception in some way?
>
> Michael Kay
> Saxonica
>
> On 30 Apr 2013, at 10:02, Jeroen Frijters wrote:
>
> > Hi Michael,
> >
> > That's the .NET stack trace (which only includes the part from the
> last rethrow site), the Java stack trace will have the real location of
> the exception.
> >
> > My guess is that this is caused by a heap corruption (not IKVM
> related).
> >
> > Regards,
> > Jeroen
> >
> >> -----Original Message-----
> >> From: Michael Kay [mailto:mi...@sa...]
> >> Sent: Tuesday, April 30, 2013 10:02
> >> To: ikv...@li...
> >> Subject: Re: [Ikvm-developers] Crash in OpenJDK native method
> >>
> >> Does the stack trace posted on the plan.io site help?
> >>
> >> Message: Index was outside the bounds of the array.
> >> 3
> >> 4 at java.security.AccessController.doPrivileged(Object ,
> >> AccessControlContext , CallerID )
> >> 5 at java.security.AccessController.doPrivileged(PrivilegedAction
> >> action, CallerID )
> >> 6 at sun.util.resources.LocaleData.getBundle(String , Locale )
> >> 7 at sun.util.resources.LocaleData.getCalendarData(Locale locale)
> >> 8 at java.util.Calendar.setWeekCountData(Locale )
> >> 9 at java.util.Calendar..ctor(TimeZone zone, Locale aLocale)
> >> 10 at java.util.GregorianCalendar..ctor(TimeZone zone, Locale
> aLocale)
> >> 11 at java.util.GregorianCalendar..ctor()
> >> 12 at
> net.sf.saxon.value.DateTimeValue.getCurrentDateTime(XPathContext
> >> context)
> >> 13 at net.sf.saxon.style.UseWhenFilter..ctor(Receiver next)
> >> 14 at net.sf.saxon.PreparedStylesheet.loadStylesheetModule(Source
> >> styleSource)
> >> 15 at net.sf.saxon.PreparedStylesheet.prepare(Source styleSource)
> >> 16 at net.sf.saxon.TransformerFactoryImpl.newTemplates(Source
> source,
> >> CompilerInfo info)
> >> 17 at Saxon.Api.XsltCompiler.Compile(TextReader input)
> >> 18 at HCIM.DataFilter.DataRestrictionFilter.Filter(XmlDocument
> >> toFilter)
> >> 19 at HCIM.Messaging.MessagingBase.run(XmlNode node)
> >> 20
> >> If not, any suggestions as to how to get the diagnostics needed?
> >>
> >>
> >> Note also the user's observation that after an IIS restart, the
> >> problem only occurred again after 47 minutes running.
> >>
> >>
> >> All that Saxon is doing is getting the current date and time by
> >> calling new GregorianCalendar(), but behind the scenes there would
> >> appear to be some kind of problem with access to Locale data.
> >>
> >>
> >> Michael Kay
> >> Saxonica
> >>
> >>
> >> On 29 Apr 2013, at 20:11, Michael Kay wrote:
> >>
> >>
> >> A Saxon user has reported a problem here:
> >>
> >> https://saxonica.plan.io/boards/3/topics/5612?r=5614
> >>
> >> which manifests itself as an index out of bounds exception in
> >> ,java.security.AccessController.doPrivileged
> >>
> >> which appears to be a native method.
> >>
> >> This is with Saxon 9.4.0.2, which is built using ikvm-0.46.0.2
> >>
> >> It's failing one one of their servers and not others, so it must
> >> depend on something in the .NET configuration.
> >>
> >> Any insights gratefully received!
> >>
> >> Michael Kay
> >> Saxonica
> >>
> >> -------------------------------------------------------------------
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> >>
> >>
> >
> >
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