[SPARK-36122][CORE] Passing on needClientAuth to Jetty SSLContextFactory

[skhandrikagmail]

SPARK-36122: Spark does not passon needClientAuth to Jetty SSLContextFactory. Does not allow to configure mTLS authentication.

passing needClientAuth to sslContextFactory would help enable mTLS authentication for Jetty through x509 certificates.

What changes were proposed in this pull request?

Why are the changes needed?

Does this PR introduce any user-facing change?

How was this patch tested?

[HyukjinKwon]

@skhandrikagmail, please fill the PR description and format PR title with a JIRA number, see also https://spark.apache.org/contributing.html

[srowen]

Jenkins test this please

[SparkQA]

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/45535/

[SparkQA]

Kubernetes integration test status success
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/45535/

[SparkQA]

Test build #141020 has finished for PR 33301 at commit 55f7200.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[HyukjinKwon]

@skhandrikagmail, can you address #33301 (comment) please?

[skhandrikagmail]

@skhandrikagmail, can you address #33301 (comment) please?

Done. Updated the PR title too with JIRA number.

[srowen]

Jenkins test this please

[SparkQA]

Kubernetes integration test unable to build dist.

exiting with code: 1
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/45669/

[SparkQA]

Test build #141157 has finished for PR 33301 at commit 55f7200.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[srowen]

Merged to master