[mkgmap-dev] Mkgmap appears to hang on some split files

Mon Sep 28 15:09:37 BST 2009

Thanks Steve, Chris,

The error files were produced using kill -4 <pid>. Kill -1 till -3 had 
no effect on the process. Just switching to using Sun Java is probably 
the easy way out, but I reckon it's interesting to find out what 
happened :-), so next time I'll try jstack before killing the process.

Sorry that the VM crash dumps aren't useful.

Steve Ratcliffe wrote:
> On 28/09/09 13:53, Lambertus wrote:
>> It happened again, this time straight from the commandline while trying
>> to render the three failed tiles at once by providing r2228 the *.osm.gz
>> parameter... Stack dump is attached.
> 
> Those hs_err_* files were not what I was expecting at all.  You
> normally get one of those when the java process itself crashes and
> that is always a bug in java and not the application.  How exactly did
> you provoke it into dropping that file?
> 
> I see from them that you are using the openjdk with Ubuntu,
> so I tried openjdk on my Fedora machine and didn't get a problem but
> then it is 32bit and has a higher build number so probably has
> different (perhaps fewer ;) bugs.
> 
> If you can I'd try the Sun jdk instead to see if that is any different.
> 
> ..Steve
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