I am working on the test handing / NPE / failure issues of ConsumerTest
only as part of the consumer rewriting (KAFKA-1910).

I currently run Java 8 and the unit test takes about 10 minutes, I can do
"time ./gradlew test" with both versions and see if there is a clear
difference.

Guozhang

On Wed, Feb 25, 2015 at 4:53 PM, Jay Kreps <jay.kr...@gmail.com> wrote:

> Yeah, hey Guozhang, is that fix part of the larger consumer patch you just
> posted or is that a separate issue?
>
> -Jay
>
> On Wed, Feb 25, 2015 at 4:25 PM, Gwen Shapira <gshap...@cloudera.com>
> wrote:
>
> > The Consumer tests are currently hanging :(
> >
> > I think Guozhang is working on a solution. I'm commenting them out until
> > the problem is resolved...
> >
> >
> >
> > On Wed, Feb 25, 2015 at 4:00 PM, Tong Li <liton...@us.ibm.com> wrote:
> >
> > > Gwen,
> > >     I have not tried Java 8. Still on Java 7, but I always run into the
> > > test hung problems (no errors on the screen and the system is
> completely
> > > idle), it may be a different problem. I can recreate that problem every
> > > time when I run "gradle --daemon testAll", I recall that couple of
> weeks
> > > ago there was one patch saying fixed the problem, but I am still seeing
> > the
> > > problem with latest code. What I noticed is that seems tests always
> stop
> > at
> > > one of the ConsumerTest test cases. What puzzled me the most is that it
> > was
> > > not always a particular test case. Being very new in this community, I
> > > think that error must be something related to my env. Here is my
> > > environment:
> > >
> > >  Oracle JDK 7, gradle 2.2.1, scala 2.10.4. Lot of open file handles and
> > > big enough max lock memory,
> > >
> > > not complaining, just some observations in case you wonder what other
> > > developers may face.
> > >
> > > Thanks.
> > >
> > > Tong Li
> > > OpenStack & Kafka Community Development
> > > Building 501/B205
> > > liton...@us.ibm.com
> > >
> > > [image: Inactive hide details for Gwen Shapira ---02/25/2015 03:47:58
> > > PM---Hi, Anyone running tests on Java 8? I just noticed that they]Gwen
> > > Shapira ---02/25/2015 03:47:58 PM---Hi, Anyone running tests on Java
> 8? I
> > > just noticed that they take almost twice
> > >
> > > From: Gwen Shapira <gshap...@cloudera.com>
> > > To: "dev@kafka.apache.org" <dev@kafka.apache.org>
> > > Date: 02/25/2015 03:47 PM
> > > Subject: Unit tests in java7 vs java8
> > > ------------------------------
> > >
> > >
> > >
> > > Hi,
> > >
> > > Anyone running tests on Java 8? I just noticed that they take almost
> > twice
> > > as long to run compared to Java 7 (at least on my box, and with Scala
> > > 2.10.4).
> > >
> > > Anyone else noticed this? Maybe even did some digging on the causes?
> > >
> > > Gwen
> > >
> > >
> >
>



-- 
-- Guozhang

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