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From Steve Loughran <>
Subject Re: <signjar> and exit code 128
Date Mon, 30 Jan 2006 17:44:52 GMT
Rob Oxspring wrote:
> Hi,
> I've been having problems with the signjar task occasionally failing 
> with "exec returned: 128" for a long time now.  The problem isn't always 
> reproducible and often disappears by simply cleaning the build area and 
> starting again; sometimes this technique doesn't work though.
> I checked the jarsigner sources and they simply have exit codes of 0 and 
> 1 to indicate success and failure, so jarsigner is presumably not to 
> blame.  From a little googling it looks like this might be a cmd.exe 
> issue as there is a generic Windows error message associated with 128 
> that seems relevant:
>   C:\>net helpmsg 128
>   There are no child processes to wait for.
> I'm guessing this means that the jarsigner.exe is completing really 
> quickly, although I suppose it could mean that it wasn't launched at 
> all.  I'd really like to get this problem solved as it would make our 
> build server that bit more reliable.
> Has anyone else seen this sort of thing happening before? any 
> recommended solutions? do I just add an ignoreexitcode128 attribute to 
> the signjar/exectask?

Not seen this, and we do a lot of signing; it may depend on jar size. 
Now, sometimes java runtimes return funny numbers, so, say HPUX returns 
255 instead of -1. But that is an OS issue, which we would have 
encountered on windows before...

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