[CI] RepositoryCredentialsTests testRepositoryCredentialsOverrideSecureCredentials failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #7433 / openjdk21_entitlements_false_checkpart1_java-matrix
• elasticsearch-periodic #7433 / openjdk23_entitlements_false_checkpart1_java-matrix
• elasticsearch-periodic #7433 / openjdk23_entitlements_true_checkpart1_java-matrix
• elasticsearch-periodic #7433 / openjdk21_entitlements_true_checkpart1_java-matrix

Reproduction Line:

./gradlew ":modules:repository-s3:qa:insecure-credentials:test" --tests "org.elasticsearch.repositories.s3.RepositoryCredentialsTests.testInsecureRepositoryCredentials" -Dtests.seed=B9B4FCCCE00D687C -Dtests.jvm.argline="-Des.entitlements.enabled=false" -Dtests.locale=sd -Dtests.timezone=Arctic/Longyearbyen -Druntime.java=21

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.ExceptionInInitializerError: null

Issue Reasons:

• [main] 4 failures in test testRepositoryCredentialsOverrideSecureCredentials (2.0% fail rate in 200 executions)

Note:
This issue was created using new test triage automation. Please report issues or feedback to es-delivery.

[elasticsearchmachine]

Pinging @elastic/es-distributed-coordination (Team:Distributed Coordination)