GitHub user microwishing opened a pull request:

    https://github.com/apache/kafka/pull/495

    add example to send customized message by using serializer

    based on 0.8.2.2. anyone can help?

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/apache/kafka trunk

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/kafka/pull/495.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #495
    
----
commit fd123965802f900fa474a8d5b1539e62d28bff73
Author: Ashish Singh <asi...@cloudera.com>
Date:   2015-09-10T20:14:24Z

    KAFKA-1893: Allow regex subscriptions in the new consumer
    
    Author: Ashish Singh <asi...@cloudera.com>
    
    Reviewers: Jason Gustafson, Guozhang Wang, Edward Ribeiro, Ismael Juma
    
    Closes #128 from SinghAsDev/KAFKA-1893

commit 845514d62329be8382e6d02b8041fc858718d534
Author: Jiangjie Qin <becket....@gmail.com>
Date:   2015-09-11T22:49:51Z

    KAFKA-2389: remove commit type from new consumer.
    
    A shot to remove commit type from new consumer. The coordinator constructor 
takes a default offset commit callback mainly for testing purpose.
    
    Author: Jiangjie Qin <becket....@gmail.com>
    
    Reviewers: Ewen Cheslack-Postava, Jason Gustafson, Guohang Wang
    
    Closes #134 from becketqin/KAFKA-2389

commit 6c1957d004f9b1a7d115543327cade274edc9cfd
Author: Dong Lin <lindon...@gmail.com>
Date:   2015-09-11T22:57:36Z

    KAFKA-2278: JmxTool should support querying all objects when object name is 
omitted
    
    …ame is omitted
    
    Author: Dong Lin <lindon...@gmail.com>
    
    Reviewers: Aditya Auradkar, Manikumar Reddy, Guozhang Wang
    
    Closes #181 from lindong28/KAFKA-2278

commit 65bf3afe86ef883136fcd6bc857724b25e750bd7
Author: Ismael Juma <ism...@juma.me.uk>
Date:   2015-09-11T23:08:00Z

    KAFKA-2440; Use `NetworkClient` instead of `SimpleConsumer` to fetch data 
from replica
    
    Author: Ismael Juma <ism...@juma.me.uk>
    
    Reviewers: Aditya Auradkar <aaurad...@linkedin.com>, Jun Rao 
<jun...@gmail.com>
    
    Closes #194 from ijuma/kafka-2440-use-network-client-in-fetcher

commit b7d4043d8da1d296519faf321e9f0f7188d7d67a
Author: Parth Brahmbhatt <brahmbhatt.pa...@gmail.com>
Date:   2015-09-13T04:58:34Z

    KAFKA-2538: Fixing a compilation error in trunk.
    
    Author: Parth Brahmbhatt <brahmbhatt.pa...@gmail.com>
    
    Reviewers: Guozhang Wang
    
    Closes #208 from Parth-Brahmbhatt/KAFKA-2538

commit d88b5bdfde0b6d020e687f6d59ad88d577910ae9
Author: jholoman <jeff.holo...@gmail.com>
Date:   2015-09-14T20:14:53Z

    KAFKA-2504: Stop logging WARN when client disconnects
    
    Author: jholoman <jeff.holo...@gmail.com>
    
    Reviewers: Gwen Shapira
    
    Closes #211 from jholoman/KAFKA-2504

commit 7199c87c32b94daec612bc022607bb86103bd8b2
Author: Geoff Anderson <ge...@confluent.io>
Date:   2015-09-14T22:00:04Z

    MINOR: Added scripts to automate Vagrant setup for system tests
    
    Updated testing README accordingly.
    
    Author: Geoff Anderson <ge...@confluent.io>
    
    Reviewers: Ewen Cheslack-Postava, Gwen Shapira
    
    Closes #201 from granders/minor-vagrant-package-script

commit b658e25207174578c26ea94a75e5b0ea10f06ba5
Author: Parth Brahmbhatt <brahmbhatt.pa...@gmail.com>
Date:   2015-09-14T22:02:32Z

    KAFKA-2549: Fixing checkstyle failure resulting due to unused imports…
    
    … in Selector.
    
    Author: Parth Brahmbhatt <brahmbhatt.pa...@gmail.com>
    
    Reviewers: Gwen Shapira
    
    Closes #215 from Parth-Brahmbhatt/KAFKA-2549

commit da39931afad8008bc2b385a75a462777be051435
Author: Mayuresh Gharat <gharatmayures...@gmail.com>
Date:   2015-09-16T17:31:57Z

    KAFKA-2120; Add a request timeout to NetworkClient (KIP-19); reviewed by 
Jason Gustafson, Ismael Juma, Joel Koshy, Jun Rao, and Edward Ribeiro

commit 9dbeb71ab258955e04b46991c1baf880b07633f4
Author: Joel Koshy <jjko...@gmail.com>
Date:   2015-09-17T21:36:01Z

    Revert "KAFKA-2120; Add a request timeout to NetworkClient (KIP-19); 
reviewed by Jason Gustafson, Ismael Juma, Joel Koshy, Jun Rao, and Edward 
Ribeiro"
    
    This reverts commit da39931afad8008bc2b385a75a462777be051435.

commit 9ae98685ec7882598aee80d11af41d7c0828e1b9
Author: Flavio Junqueira <f...@apache.org>
Date:   2015-09-21T18:59:59Z

    KAFKA-2300: follow-up to clear the controller state upon resignment
    
    I have reopened this issue because the controller isn't cleaning up the 
state upon an exception and the test case was legitimately failing for me every 
now and then. I'm proposing a change to fix this.
    
    Author: fpj <f...@apache.org>
    Author: flavio junqueira <f...@apache.org>
    
    Reviewers: Ismael Juma, Gwen Shapira, Guozhang Wang
    
    Closes #212 from fpj/2300

commit e18f6860c2b297cc2ce06f9f3cb37987af3bdbae
Author: Ashish Singh <asi...@cloudera.com>
Date:   2015-09-21T19:07:56Z

    KAFKA-2533: Create a member Metadata.Listener inside KafkaConsumer
    
    Author: Ashish Singh <asi...@cloudera.com>
    
    Reviewers: Guozhang Wang
    
    Closes #220 from SinghAsDev/KAFKA-2533

commit 6ec88f7f8a18be7aff12fb0c73fc8abd00ef62d2
Author: Jason Gustafson <ja...@confluent.io>
Date:   2015-09-21T20:14:17Z

    KAFKA-2532; Remove Consumer reference from rebalance callback
    
    Author: Jason Gustafson <ja...@confluent.io>
    
    Reviewers: Ewen Cheslack-Postava, Onur Karaman, Guozhang Wang
    
    Closes #203 from hachikuji/KAFKA-2532

commit 0990b6ba6a28276f79a1a8bfaf48455c6eddfa1f
Author: Parth Brahmbhatt <brahmbhatt.pa...@gmail.com>
Date:   2015-09-22T00:47:18Z

    KAFKA-2211: Adding simpleAclAuthorizer implementation and test cases.
    
    Author: Parth Brahmbhatt <brahmbhatt.pa...@gmail.com>
    
    Reviewers: Ismael Juma <ism...@juma.me.uk>, Jun Rao <jun...@gmail.com>
    
    Closes #195 from Parth-Brahmbhatt/KAFKA-2211

commit 4833d8a8c34b2fb86a5cf605ea5483d0b9eadc4f
Author: Flavio Junqueira <f...@apache.org>
Date:   2015-09-22T01:25:42Z

    KAFKA-2558: ServerShutdownTest is failing intermittently
    
    See jira for a description.
    
    Author: fpj <f...@apache.org>
    
    Reviewers: Onur Karaman, Ismael Juma, Guozhang Wang
    
    Closes #224 from fpj/KAFKA-2558

commit 2837fa5a34420ea1ede90901ded6e9f3c94a3e7b
Author: Onur Karaman <okara...@linkedin.com>
Date:   2015-09-22T21:32:28Z

    KAFKA-2557: separate REBALANCE_IN_PROGRESS and ILLEGAL_GENERATION error 
codes
    
    Author: Onur Karaman <okara...@linkedin.com>
    
    Reviewers: Jiangjie Qin, Jason Gustafson, Guozhang Wang
    
    Closes #222 from onurkaraman/KAFKA-2557

commit d1dd1e902685178a990861f9948fe07f820cf4ef
Author: Jason Gustafson <ja...@confluent.io>
Date:   2015-09-23T21:10:06Z

    KAFKA-2403; Add support for commit metadata in KafkaConsumer
    
    Author: Jason Gustafson <ja...@confluent.io>
    
    Reviewers: Ismael Juma, Guozhang Wang
    
    Closes #119 from hachikuji/KAFKA-2403

commit b9ceac3ace353526da9c5d0f5b486265c871793a
Author: Dong Lin <lindon...@gmail.com>
Date:   2015-09-23T23:53:05Z

    KAFKA-2390; OffsetOutOfRangeException should contain the Offset and 
Partition info.
    
    Author: Dong Lin <lindon...@gmail.com>
    Author: Dong Lin <lind...@cis.upenn.edu>
    
    Reviewers: Jason Gustafson, Ismael Juma, Guozhang Wang
    
    Closes #118 from lindong28/KAFKA-2390

commit 54dd6e3ad7038ce4a32108b44153ec81caff2c68
Author: Ismael Juma <ism...@juma.me.uk>
Date:   2015-09-24T16:25:11Z

    KAFKA-2576; ConsumerPerformance hangs when SSL enabled for Multi-Partition 
Topic
    
    We now write to the channel with an empty buffer when
    there are pending bytes remaining and all data has been
    sent.
    
    Author: Ismael Juma <ism...@juma.me.uk>
    
    Reviewers: Sriharsha Chintalapani <schintalap...@hortonworks.com>, Ben 
Stopford <benstopf...@gmail.com>, Jun Rao <jun...@gmail.com>
    
    Closes #236 from ijuma/kafka-2576-ssl-multi-partition-topic-hang

commit 1daf6ac510602ee27210f069bbe7415d4610fbea
Author: flavio junqueira <f...@apache.org>
Date:   2015-09-24T17:14:23Z

    KAFKA-1387: Kafka getting stuck creating ephemeral node it has already 
created when two zookeeper sessions are established in a very short period of 
time
    
    This is a patch to get around the problem discussed in the KAFKA-1387 jira. 
The tests are not passing in my box when I run them all, but they do pass when 
I run them individually, which indicates that there is something leaking from a 
test to the next. I still need to work this out and also work on further 
testing this. I wanted to open this PR now so that it can start getting 
reviewed.
    
    Author: flavio junqueira <f...@apache.org>
    Author: fpj <f...@apache.org>
    Author: Flavio Junqueira <f...@apache.org>
    
    Reviewers: Ismael Juma <ism...@juma.me.uk>, Guozhang Wang 
<wangg...@gmail.com>, Jun Rao <jun...@gmail.com>
    
    Closes #178 from fpj/1387

commit 8943b08c9fbd31f7c50d5e06934a5fc225d56460
Author: Ismael Juma <ism...@juma.me.uk>
Date:   2015-09-24T17:35:05Z

    KAFKA-2548; kafka-merge-pr tool fails to update JIRA with fix version 
0.9.0.0
    
    Simplified the logic to choose the default fix version. We just hardcode
    it for `trunk` and try to compute it based on the branch name for the
    rest.
    
    Removed logic that tries to handle forked release branches as it
    seems to be specific to how the Spark project handles their JIRA.
    
    Author: Ismael Juma <ism...@juma.me.uk>
    
    Reviewers: Guozhang Wang
    
    Closes #238 from ijuma/kafka-2548-merge-pr-tool-4-segment-fix-version

commit ac757eb19ec50b79ab2b5336fa4d7411cd99456d
Author: Manikumar reddy O <manikumar.re...@gmail.com>
Date:   2015-09-24T19:38:27Z

    KAFKA-2554: change 0.8.3 to 0.9.0 in ApiVersion and other files
    
    Updated the version from 0.8.3 to 0.9.0. in ApiVersion.  Also updated in 
gradle.propeties.
    
    Author: Manikumar reddy O <manikumar.re...@gmail.com>
    
    Reviewers: Ismael Juma, Gwen Shapira
    
    Closes #237 from omkreddy/KAFKA-2554

commit bcf374da9e0d9ec8d13ecdaf4a1a15691549442b
Author: Dong Lin <lindon...@gmail.com>
Date:   2015-09-24T21:40:03Z

    KAFKA-2390; followup; add unit test for OffsetOutOfRange exception
    
    Author: Dong Lin <lindon...@gmail.com>
    
    Reviewers: Jason Gustafson, Guozhang Wang
    
    Closes #239 from lindong28/KAFKA-2390-followup

commit 48b4d6938dfb9dc72c941e979ff0d0c4d921f743
Author: Ewen Cheslack-Postava <m...@ewencp.org>
Date:   2015-09-25T02:01:11Z

    KAFKA-2373: Add Kafka-backed offset storage for Copycat.
    
    Author: Ewen Cheslack-Postava <m...@ewencp.org>
    
    Reviewers: Gwen Shapira, James Cheng
    
    Closes #202 from ewencp/kafka-2373-copycat-distributed-offset

commit 18d370124b51a97eb0522c220eb0ca619e315c6a
Author: Ashish Singh <asi...@cloudera.com>
Date:   2015-09-25T02:16:28Z

    KAFKA-2571; KafkaLog4jAppender dies while specifying acks config
    
    Author: Ashish Singh <asi...@cloudera.com>
    
    Reviewers: Ewen Cheslack-Postava, Gwen Shapira
    
    Closes #231 from SinghAsDev/KAFKA-2571

commit fe798641a2ba5e60940fa91f5f01a14bcf98cf3e
Author: Jason Gustafson <ja...@confluent.io>
Date:   2015-09-25T02:26:07Z

    KAFKA-2579; prevent unauthorized clients from joining groups
    
    Author: Jason Gustafson <ja...@confluent.io>
    
    Reviewers: Gwen Shapira
    
    Closes #240 from hachikuji/KAFKA-2579

commit 7e453df3179efed92d5bbe4ce9ee1d90a07cd503
Author: Jason Gustafson <ja...@confluent.io>
Date:   2015-09-25T18:08:24Z

    KAFKA-2409; have KafkaConsumer.committed return null when there is no commit
    
    Author: Jason Gustafson <ja...@confluent.io>
    
    Reviewers: Onur Karaman, Guozhang Wang
    
    Closes #243 from hachikuji/KAFKA-2409

commit a07fbd0f19962037ec386b1814dc6c95749c91a3
Author: Jiangjie Qin <becket....@gmail.com>
Date:   2015-09-25T19:01:41Z

    KAFKA-2555: Fix infinite recursive ensurePartitionAssignment in callback's 
commitSync
    
    hachikuji ewencp I found this problem when adding new consumer to mirror 
maker which commits offset in the rebalance callback. It is not clear to me why 
we are triggering rebalance for commitSync() and fetchCommittedOffset(). Can 
you help review to see if I miss something?
    
    Regarding commitSync, After each poll() the partitions will be either 
assigned to a consumer or it will be already revoked. As long as user is using 
internal offset map, the offset map will always be valid. i.e. the offset map 
will always only contain the assigned partitions when commitSync is called. 
Hence there is no need to trigger a rebalance in commitSync().
    
    The same guarantee also apply to fetchCommittedOffset(), isn't the only 
requirement is to ensure we know the coordinator?
    
    Another related issue is that today the IllegalGenerationIdException is a 
bit confusing. When we receive an IllegalGenerationIdException from heartbeat, 
we need to use that same generation Id to commit offset and the coordinator 
will take it. So the generation ID was not really illegal. I will file a ticket 
for this issue.
    
    Author: Jiangjie Qin <becket....@gmail.com>
    
    Reviewers: Jason Gustafson, Guozhang Wang
    
    Closes #221 from becketqin/KAFKA-2555

commit 10d5deac0c00a0f651be1857fbdde6c74d7e9dac
Author: Jason Gustafson <ja...@confluent.io>
Date:   2015-09-25T21:06:07Z

    HOTFIX: remove unused import causing checkstyle to fail
    
    Author: Jason Gustafson <ja...@confluent.io>
    
    Reviewers: Guozhang Wang
    
    Closes #244 from hachikuji/hotfix-checkstyle

commit ad120d5789306209ab8d110fcbd86d453d01641b
Author: Jason Gustafson <ja...@confluent.io>
Date:   2015-09-25T22:40:38Z

    KAFKA-2582; ConsumerMetdata authorization error not returned to user
    
    Author: Jason Gustafson <ja...@confluent.io>
    
    Reviewers: Jun Rao <jun...@gmail.com>
    
    Closes #245 from hachikuji/KAFKA-2582

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