> On Jan. 6, 2015, 8:19 a.m., Joe Stein wrote:
> > build.gradle, line 211
> > <https://reviews.apache.org/r/29301/diff/2/?file=800278#file800278line211>
> >
> >     If we can do this without an upgrade that would be great if we are in 
> > fact just requiring 1 function.

This feature allows us to call CLI commands both from interactive shell 
(kafka>) and right from ./kafka.sh (e.g. ./kafka.sh--create-topic).
The difference is that for ./kafka.sh we always have to supply one additional 
option --controller which is not recognized during command execution from 
interactive Shell.
As a workaround I can process --controller separately and then simply "cut off" 
it from command line args array but this looks a bit lame.


> On Jan. 6, 2015, 8:19 a.m., Joe Stein wrote:
> > clients/src/main/java/org/apache/kafka/common/protocol/types/MaybeOf.java, 
> > line 21
> > <https://reviews.apache.org/r/29301/diff/2/?file=800281#file800281line21>
> >
> >     not sure about this name, you are making an Option[] for the protocol 
> > value and that not make sense if you look at the use of it and not how it 
> > works.

As discussed for now better naming option wasn't found:). I'm happy to change 
if someone comes up with a good one.
I also added some comments to the class to make it more explanatory.


> On Jan. 6, 2015, 8:19 a.m., Joe Stein wrote:
> > clients/src/main/java/org/apache/kafka/common/protocol/types/MaybeOf.java, 
> > line 51
> > <https://reviews.apache.org/r/29301/diff/2/?file=800281#file800281line51>
> >
> >     why wouldn't the null size == 0?

There is always an additional byte showing whether value is present.


- Andrii


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On Jan. 12, 2015, 4:55 p.m., Andrii Biletskyi wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/29301/
> -----------------------------------------------------------
> 
> (Updated Jan. 12, 2015, 4:55 p.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-1694
>     https://issues.apache.org/jira/browse/KAFKA-1694
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> KAFKA-1694 - introduced new type for Wire protocol, ported 
> ClusterMetadataResponse to it
> 
> 
> KAFKA-1694 - Split Admin RQ/RP to separate messages
> 
> 
> KAFKA-1694 - Admin commands can be handled only by controller; 
> DeleteTopicCommand NPE fix
> 
> 
> KAFKA-1776 - Ported ConsumerGroupOffsetChecker
> 
> 
> KAFKA-1776 - Ported PreferredReplicaElectionTool and ReassignPartitionsTool 
> to CLI
> 
> 
> KAFKA-1694 - kafka-tools is uploaded on uploadAllArchives
> 
> 
> KAFKA-1694 - ReviewBoard 29301 code review fixes
> 
> 
> Diffs
> -----
> 
>   bin/kafka.sh PRE-CREATION 
>   bin/windows/kafka.bat PRE-CREATION 
>   build.gradle ba52288031e2abc70e35e9297a4423dd5025950b 
>   clients/src/main/java/org/apache/kafka/common/protocol/ApiKeys.java 
> 109fc965e09b2ed186a073351bd037ac8af20a4c 
>   clients/src/main/java/org/apache/kafka/common/protocol/Protocol.java 
> 7517b879866fc5dad5f8d8ad30636da8bbe7784a 
>   clients/src/main/java/org/apache/kafka/common/protocol/types/MaybeOf.java 
> PRE-CREATION 
>   clients/src/main/java/org/apache/kafka/common/protocol/types/Struct.java 
> 121e880a941fcd3e6392859edba11a94236494cc 
>   
> clients/src/main/java/org/apache/kafka/common/requests/ClusterMetadataRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/ClusterMetadataResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/AlterTopicRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/AlterTopicResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/ConsumerGroupOffsetsRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/ConsumerGroupOffsetsResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/CreateTopicRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/CreateTopicResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/DeleteTopicRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/DeleteTopicResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/DescribeTopicOutput.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/DescribeTopicRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/DescribeTopicResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/ListTopicsOutput.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/ListTopicsRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/ListTopicsResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/PreferredReplicaLeaderElectionRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/PreferredReplicaLeaderElectionResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/ReassignPartitionsRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/ReassignPartitionsResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/TopicConfigDetails.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/TopicPartitionsDetails.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/VerifyPreferredReplicaLeaderElectionRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/VerifyPreferredReplicaLeaderElectionResponse.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/VerifyReassignPartitionsRequest.java
>  PRE-CREATION 
>   
> clients/src/main/java/org/apache/kafka/common/requests/admin/VerifyReassignPartitionsResponse.java
>  PRE-CREATION 
>   
> clients/src/test/java/org/apache/kafka/common/requests/RequestResponseTest.java
>  df37fc6d8f0db0b8192a948426af603be3444da4 
>   core/src/main/scala/kafka/api/ApiUtils.scala 
> 1f80de1638978901500df808ca5133308c9d1fca 
>   core/src/main/scala/kafka/api/ClusterMetadataRequest.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/ClusterMetadataResponse.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/RequestKeys.scala 
> c24c0345feedc7b9e2e9f40af11bfa1b8d328c43 
>   core/src/main/scala/kafka/api/admin/AlterTopicRequest.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/AlterTopicResponse.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/ConsumerGroupOffsetsRequest.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/ConsumerGroupOffsetsResponse.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/CreateTopicRequest.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/CreateTopicResponse.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/DeleteTopicRequest.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/DeleteTopicResponse.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/DescribeTopicRequest.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/DescribeTopicResponse.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/ListTopicsRequest.scala PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/ListTopicsResponse.scala PRE-CREATION 
>   
> core/src/main/scala/kafka/api/admin/PreferredReplicaLeaderElectionRequest.scala
>  PRE-CREATION 
>   
> core/src/main/scala/kafka/api/admin/PreferredReplicaLeaderElectionResponse.scala
>  PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/ReassignPartitionsRequest.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/ReassignPartitionsResponse.scala 
> PRE-CREATION 
>   
> core/src/main/scala/kafka/api/admin/VerifyPreferredReplicaLeaderElectionRequest.scala
>  PRE-CREATION 
>   
> core/src/main/scala/kafka/api/admin/VerifyPreferredReplicaLeaderElectionResponse.scala
>  PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/VerifyReassignPartitionsRequest.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/api/admin/VerifyReassignPartitionsResponse.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/common/AdminRequestFailedException.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/common/ErrorMapping.scala 
> eedc2f5f21dd8755fba891998456351622e17047 
>   core/src/main/scala/kafka/common/InvalidRequestTargetException.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/controller/ControllerChannelManager.scala 
> eb492f00449744bc8d63f55b393e2a1659d38454 
>   core/src/main/scala/kafka/controller/KafkaController.scala 
> 66df6d2fbdbdd556da6bea0df84f93e0472c8fbf 
>   core/src/main/scala/kafka/server/KafkaApis.scala 
> c011a1b79bd6c4e832fe7d097daacb0d647d1cd4 
>   core/src/main/scala/kafka/server/MetadataCache.scala 
> bf81a1ab88c14be8697b441eedbeb28fa0112643 
>   core/src/main/scala/kafka/server/TopicCommandHelper.scala PRE-CREATION 
>   core/src/main/scala/kafka/tools/ConsumerOffsetCheckerHelper.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/tools/PreferredReplicaLeaderElectionHelper.scala 
> PRE-CREATION 
>   core/src/main/scala/kafka/tools/ReassignPartitionsHelper.scala PRE-CREATION 
>   core/src/test/scala/unit/kafka/api/RequestResponseSerializationTest.scala 
> cd16ced5465d098be7a60498326b2a98c248f343 
>   settings.gradle 83f764e6a4a15a5fdba232dce74a369870f26b45 
>   tools/src/main/java/org/apache/kafka/cli/BaseCommandOpts.java PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/Boot.java PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/RequestDispatcher.java 
> PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/Shell.java PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/AlterTopicCommand.java 
> PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/ClearScreenCommand.java 
> PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/Command.java PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/CreateTopicCommand.java 
> PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/DeleteTopicCommand.java 
> PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/DescribeTopicCommand.java 
> PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/ExitCommand.java 
> PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/ListTopicsCommand.java 
> PRE-CREATION 
>   
> tools/src/main/java/org/apache/kafka/cli/command/PreferredReplicaLeaderElectionCommand.java
>  PRE-CREATION 
>   
> tools/src/main/java/org/apache/kafka/cli/command/PrintConsumerGroupOffsetsCommand.java
>  PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/PrintHelpCommand.java 
> PRE-CREATION 
>   
> tools/src/main/java/org/apache/kafka/cli/command/ReassignPartitionsCommand.java
>  PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/command/TopicSwitchCommand.java 
> PRE-CREATION 
>   tools/src/main/java/org/apache/kafka/cli/util/StringUtils.java PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/29301/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Andrii Biletskyi
> 
>

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