Fwd: large jar file failed

David Holmes david.holmes at oracle.com
Sun Oct 9 20:22:13 PDT 2011

I've bcc'ed the hotspot lists and redirected this to serviceability as
this is a launcher issue not a JVM issue.

On 9/10/2011 8:30 PM, wynne.wang wrote:
> Hi Experts
> I need help to solve a JDK issue.
> It is easy to repeat, one created a jar file>  2GB , and it failed to run.
> By the deeper investigation, I found the error was thrown from the
> SelectVersion() method in JVM .

What was the error? I suspect it may have been EOVERFLOW as the jar file
was not opened with O_LARGEFILE set.

David Holmes

> Inside the openjdk source code(/share/bin/java.c), I found some
> interesting notes as:
> * A NOTE TO DEVELOPERS: For performance reasons it is important that
> * the program image remain relatively small until after SelectVersion
> * CreateExecutionEnvironment have finished their possibly recursive
> * processing. Watch everything, but resist all temptations to use Java
> * interfaces.
> OK, the fact is , now there is a jar file>2GB , and if it could pass
> the SelectVersion() check in JVM?
> Or any advice ?
> Thanks
> Wynne

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