dynamodb-lock-client | general purpose distributed locking library built for AWS

by tristanls JavaScript Version: Current License: MIT

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A general purpose distributed locking library built for AWS DynamoDB.

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Spring Aws Kinesis Binder Acquiring and Releasing lock issues in Dynamo DB while consuming messages

QUESTION

Spring Aws Kinesis Binder Acquiring and Releasing lock issues in Dynamo DB while consuming messages

Asked 2018-Jul-19 at 22:22

Sometimes, when we are stopping the application abruptly exception occurs that unlocking has been failed. Then the same group will never gets the messages. Other groups are getting messages.

I am using the aws kinesis binder snapshot version.

This is the error, when application is stopped.

...

ANSWER

Answered 2018-Jul-19 at 22:22

I would say that it is normal behavior for any distributed locks implementation: when your thread holding the lock is broken, there is no any hook to unlock on the DB level.

You need to study a leaseDuration property of the AmazonDynamoDBLockClient: https://aws.amazon.com/blogs/database/building-distributed-locks-with-the-dynamodb-lock-client/

Also you show both stack traces in the case of application stop though...

Any chances that you can make a simple project to let us to play with?

UPDATE

The problem has been fixed via: https://github.com/spring-projects/spring-integration-aws/commit/dd52e8f304d20bbdc46d3f9da77e26dd7977f8b7

Thank you again for your good report!

Source https://stackoverflow.com/questions/51428196

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