2.3 pre-release

[LI-HOTFIX] add back old parseAndValidateAddresses API for backward c…

2.3 pre release

Since 2.3.0.1

[LI-HOTFIX] add prepare-commit-msg hook to help format commit message
cherry-pick bug fixes from upstream 2.3 branch

debug travis bintray publication.

debug travis bintray publication.

li 2.3 pre release

Li 2.3 pre release

li 2.3 pre release

li 2.3 pre release
Include all commits from apache kafka 2.3 branch until Aug 20th and hotfixes from 2.0-li branch

KAFKA-8202: Clean up inFlightBatches in Sender when ProducerBatch split happens

The release contains the following patches:

• [LI-HOTFIX] Clean up inFlightBatches in Sender when ProducerBatch split happens
• Add logging to detect which application is trying to fetch metadata for nonexistent topics while auto.topic.create.enable is disabled

KAFKA-8052; Ensure fetch session epoch is updated before new request

This release contains the following patch:

[LI-CHERRY-PICK] [012880d] KAFKA-8052; Ensure fetch session epoch is updated before new request (apache#6582)

add atMinIsr metric

This release includes following patches:

[LI-CHERRY-PICK] [31d191f] KAFKA-7904; Add AtMinIsr partition metric and TopicCommand option (KIP-427)
[LI-HOTFIX] Clean up purgatory when leader replica is kicked out of replica list.
[LI-HOTFIX] Fix flush behavior
[LI-CHERRY-PICK] [c050503] KAFKA-7709: Fix ConcurrentModificationException when retrieving expired inflight batches on multiple partitions. (apache#6005)
[LI-CHERRY-PICK] [8d52b7e] MINOR: AbstractIndex.close should unmap (apache#5757)
[LI-CHERRY-PICK] [ea4078e] KAFKA-7311: Reset next batch expiry time on each poll loop
TICKET = KAFKA-7311

Fix for scala consumer and reduce UpdateMetadataRequest toString() result

This release includes following fixes:

1. Fix lastCommittedPartitionsAndOffsets for old scala consumer
2. Reduce UpdateMetadataRequest toString() result
3. Cherry pick KAFKA-6835: Enable topic unclean leader election to be enabled without controller change

Publish artifacts to the maven repo under the Linkedin Bintray account

This release is created to test the repo change. Identical to 2.0.0.12.