stream-reactor | Streaming reference architecture for ETL with Kafka | Pub Sub library

by lensesio Scala Version: 4.2.0 License: Apache-2.0

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | stream-reactor Summary

stream-reactor is a Scala library typically used in Messaging, Pub Sub, Kafka applications. stream-reactor has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

A collection of components to build a real time ingestion pipeline.

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Quality

Security

License

Reuse

Support

stream-reactor has a medium active ecosystem.

It has 937 star(s) with 356 fork(s). There are 61 watchers for this library.

It had no major release in the last 12 months.

There are 73 open issues and 351 have been closed. On average issues are closed in 232 days. There are 13 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of stream-reactor is 4.2.0

Quality

stream-reactor has no bugs reported.

Security

stream-reactor has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

stream-reactor is licensed under the Apache-2.0 License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

stream-reactor releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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stream-reactor Key Features

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stream-reactor Examples and Code Snippets

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Community Discussions

Trending Discussions on stream-reactor

Kafka connect ftp

Missing required configuration "key.converter" which has no defau

QUESTION

Kafka connect ftp

Asked 2019-Jun-03 at 23:21

While running the connectors for kafka-connect-ftp showing this below error

...

ANSWER

Answered 2018-Jan-16 at 19:01

There are two main issues with this connector:

It bundles, along with its dependencies, classes from Connect's API. E.g. classes in the package org.apache.kafka.connect. This is not advised and such dependencies should be marked as provided.
The actual reason that the connector fails with classloading issues is that it is depending (at least according to its master branch) on a version of Apache Kafka that probably does not match the version of the deployed Connect worker. Specifically, it depends on kafkaVersion = '0.10.2.0' which is not the latest. Kafka Connect, in its recent versions that offer classloading isolation, will ignore what it considers system classes, such as classes in org.apache.kafka.connect when they are imported by connectors' jars. Instead, it will load such classes from the Kafka Connect jars that ship with Apache Kafka.

The above issues may cause classloading failures, as the ones you observe.

Ideally, they should be addressed at the connector level.

Workarounds you may apply are:

build the connector code from source, after upgrading the Kafka version it depends upon and also marking its Kafka dependencies as provided (including Kafka Connect and Kafka Clients dependencies). Or,
downgrade your deployed Kafka Connect version to match exactly the version that the connector currently depends upon.

A similar issue has been recorded here: kafka mongodb sink connector not starting

Source https://stackoverflow.com/questions/48276945

QUESTION

Missing required configuration "key.converter" which has no defau

Asked 2018-May-05 at 16:52

When I try to start Kafka connect for elastic search reactor, in stand alone mode I receive the following error:

...

ANSWER

Answered 2018-May-02 at 08:10

The error kinda says it all. You're missing a required configuration entry, for key.converter. This tells Kafka Connect how to deserialise the data on the Kafka topic (JSON or Avro, usually).

You can see an example of a valid connector configuration for Elasticsearch here in this gist. If you update your question to include the configuration you're using, I can point out how to incorporate it.

After seeing your config, the cause of your error is that you're invoking Connect with your config files in the wrong order, and hence Connect can't find the config it is expecting.

Should be:

Source https://stackoverflow.com/questions/50110412

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install stream-reactor

You can download it from GitHub.

Support

We'd love to accept your contributions! Please use GitHub pull requests: fork the repo, develop and test your code, semantically commit and submit a pull request. Thanks!.

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