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https://issues.apache.org/jira/browse/SPARK-51434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17936487#comment-17936487
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Cheng Pan commented on SPARK-51434:
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[~andyhayder] Could you please try creating a fake
jakarta.servlet.SingleThreadModel interface and see if there are other issues?
I checked the Jetty11 code, it only has one place refers `SingleThreadModel`,
if this is the one place that need to change, I can try to send a PR to Jetty
project by using reflection to eliminate such a ClassNotFoundException.
> jakarta.servlet Version 5 => 6
> ------------------------------
>
> Key: SPARK-51434
> URL: https://issues.apache.org/jira/browse/SPARK-51434
> Project: Spark
> Issue Type: Dependency upgrade
> Components: Spark Core
> Affects Versions: 4.0.0
> Reporter: Andy Hayder
> Priority: Major
> Fix For: 4.1.0
>
>
> Using jakarta.servlet V 5 is here in the free world a big problem.
> With spring-boot 3.x, hibernate and spark in combination you are in a
> dependency hell through using antlr4-runtime and jakarta.servlet. It's
> impossible to find a matching configuration.
>
> We have to update the stack once a year. So jakarta-servlet V5 i a little bit
> older and when waiting to spark V 4 [its a new major release!!] with a
> updated jakarta-servlet API V6 , the world looks much better.
> Unfortunately, Spark uses Servlet classes
> (jakarta/servlet/SingleThreadModel), which are no longer available in Servlet
> 6.
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