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HBase >> mail # user >> coprocessorExec got stucked with generic type


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Re: coprocessorExec got stucked with generic type
It's org.apache.commons.lang.SerializationUtils
I have it in hbase-0.94.2-cdh4.2.1/lib/commons-lang-2.5.jar
 Pavel
2013/6/10 Ted Yu <[EMAIL PROTECTED]>

> I searched for SerializationUtils class in hadoop (both branch-1 and
> branch-2)
> I also searched for SerializationUtils in hbase codebase.
>
> I didn't seem to find it.
>
> Is it an internal class of your project ?
>
> Cheers
>
> On Mon, Jun 10, 2013 at 6:11 AM, Pavel Hančar <[EMAIL PROTECTED]
> >wrote:
>
> >  I see, that's probably big nonsense to return ArrayList (or array) of
> > another classes from coprocessor, because it's a list of pointers. The
> > solution is to serialize it to byte[] by SerializationUtils.serialize(
> > Serializable<
> >
> http://java.sun.com/javase/6/docs/api/java/io/Serializable.html?is-external=true
> > >
> >  obj).
> >   Pavel
> >
> >
> > 2013/6/10 Pavel Hančar <[EMAIL PROTECTED]>
> >
> > >   Hello,
> > > can I return from an EndPoint a generic type? I try to return
> > > ArrayList<NameAndDistance> from an EndPoint method (where
> NameAndDistance
> > > is a simpe class with two public variables name and distance). But
> when I
> > > return  unempty ArrayList, the coprocessorExec get stucked.
> > >   Thanks,
> > >   Pavel Hančar
> > >
> >
>