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From Stack <st...@duboce.net>
Subject Re: Custom filter appears to just hang
Date Mon, 16 Sep 2019 21:55:09 GMT
On Sun, Sep 15, 2019 at 9:35 AM Mike Thomsen <mikerthomsen@gmail.com> wrote:

> So that's just it, I don't see any errors at all on either the client side
> or the server side. I'm running this against HBase 2.0.5, and I didn't see
> anything showing up. Granted, I'm running server in local mode with just
> "bin/hbase master start" and letting it manage ZK and create one
> regionserver that way. As I said, I can read and write data just fine with
> this setup until I throw the filter into the mix and then it mysteriously
> hangs.
>
> I've uploaded the whole project here, including the protobuf section:
>
> https://github.com/MikeThomsen/hbase-test
>
> Thanks,
>
>
This stuff can be tricky to dev. If mismatch in rpc or error formulating
response, the exceptions can be dropped and not make it out in log or on
client-side. Can you printf your filter code? Or use an existing working
one and slowly pull it over to do as you want.
S



> Mike
>
> On Fri, Sep 13, 2019 at 12:33 PM Esteban Gutierrez
> <esteban@cloudera.com.invalid> wrote:
>
> > Hi Mike,
> >
> > What errors do you see in the RegionServer or Client logs? Did you
> > generated the Java class files for SimpleFilter from a proto file? The
> > HBase Definitive Guide as a good example about how to write and deploy
> > custom filters:
> >
> >
> https://www.oreilly.com/library/view/hbase-the-definitive/9781492024255/ch04.html
> > see Example 4-23 and Example 4-24.
> >
> > But depending on the version of HBase you are using you might have to
> also
> > take a look a the Protobuf section in the HBase Reference Guide to see
> > where you should create the proto files and which jar should be used
> > (shaded vs non-shaded) : https://hbase.apache.org/book.html#protobuf
> >
> > thanks,
> > esteban.
> >
> > --
> > Cloudera, Inc.
> >
> >
> >
> > On Fri, Sep 13, 2019 at 6:54 AM Mike Thomsen <mikerthomsen@gmail.com>
> > wrote:
> >
> > > https://gist.github.com/MikeThomsen/ed3e742d13adeb63d45ceca7a09bf176
> > >
> > > I'm running this in standalone mode, with the jar file in the HBase lib
> > > folder. When I run the client side of it, it gets to the print
> statement
> > > that says Fetching.... and then just hangs. When I take the filter off
> > the
> > > Get, it pulls the row just fine. Can someone give me some help on why
> it
> > > might be hanging?
> > >
> > > Thanks,
> > >
> > > Mike
> > >
> >
>

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