Spark: Server Sent Events Support *Enhancement

[Ariel-Isaacm]

I look into the documentation and i didn't find anything about SSE support, does Spark supports it? or there's a chance to implement it? that would be cool :)

[avarabyeu]

You can find some example here: https://github.com/avarabyeu/jashing/blob/master/jashing/src/main/java/com/github/avarabyeu/jashing/core/JashingController.java
Based on Guava's EventBus

[shumin1027]

I also want to know how to support Server Sent Events

[jakaarl]

If you're in a hurry, perhaps look into Java Easy SSE: https://github.com/mariomac/jeasse ?
It should be relatively easy to integrate in a Spark app by deploying it as a servlet.

@avarabyeu check your repo privacy settings - I wasn't able to see your example.

[kfh]

Is this in limbo or set for a release this year?

[mtzagkarakis]

I just added a pull request with sse for spark

[Gillingham]

980 for easier reference

[vladp]

is there an update for this (or alternatives) ?, thank you

[mtzagkarakis]

Well you can clone the forked repo from here

https://github.com/mtzagkarakis/spark

I am keeping it updated. I also used it for my projects using jitpack as a repository in my pom.xml
You can do it like that:

//adding a repository

        <repositories>
        <repository>
            <id>jitpack.io</id>
            <url>https://jitpack.io</url>
        </repository>
    </repositories>

and then adding a dependency

      <dependency>
          <groupId>com.github.mtzagkarakis</groupId>
          <artifactId>spark</artifactId>
          <!--Hash of the commit with server sent event capabilities-->
          <version>c32dc92039c4530a1c205f092c98be10c83080a8</version>
      </dependency>

[KIC]

980 looks like outputting sse from spark via a rest interface? What if I have a sse server and I want to receive the sse in spark is there already something or do I need to implement my own custom receiver?

[irfman12]

Hey Any Movement or prioritization of this request, would make spark pretty much complete from feature perspective. If it was supported like websockets have been where it's easy to setup

[perwendel]

@irfman12 hey. We'll look at it for the upcoming 3.0 release that is planned to be released during the fall!

[irfman12]

Okay thanks for the roadmap

On Sun, Aug 4, 2019, 11:01 AM Per Wendel [e-mail] wrote:

@irfman12 https://github.com/irfman12 hey. We'll look at it for the
upcoming 3.0 release that is planned to be released during the fall!

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[MrGraversen]

I want to write streaming microservices using Spark, so this would be a huge improvement for me!

[buckelieg]

Any updates on this?

[mtzagkarakis]

It was never merged so no

On Wed, Feb 3, 2021, 20:23 Anatoly [e-mail] wrote:

Any updates on this?

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[buckelieg]

It was never merged so no
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It is very, very sad... :confused: