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https://issues.apache.org/jira/browse/CASSANDRA-19001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17791323#comment-17791323
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Ekaterina Dimitrova commented on CASSANDRA-19001:
-------------------------------------------------
After no objections for more than a week, I will continue as per the suggested
plan:
* put a nice failure message in Sjk.java (e.g. "JDK required for this nodetool
command") ---> only sjk hh and it already errors out stating you need to use JDK
* add a comment in cassandra.yaml in front of audit_logging_options stating
compatibility with JRE is unknown (referencing the jira issue) --> also FQL
* add the jdk add-opens and add-exports only when jdk is detected (javac is on
path).
> Check whether the startup warnings for unknown modules represent a legit
> problem or cosmetic issue
> --------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-19001
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19001
> Project: Cassandra
> Issue Type: Bug
> Components: Local/Other
> Reporter: Ekaterina Dimitrova
> Assignee: Ekaterina Dimitrova
> Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0-rc, 5.0.x, 5.x
>
>
> During the 5.0 alpha 2 release
> [vote|https://lists.apache.org/thread/lt3x0obr5cpbcydf5490pj6b2q0mz5zr],
> [~paulo] raised the following concerns:
> {code:java}
> Launched a tarball-based 5.0-alpha2 container on top of
> "eclipse-temurin:17-jre-focal" and the server starts up fine, can run
> nodetool and cqlsh.
> I got these seemingly harmless JDK17 warnings during startup and when
> running nodetool (no warnings on JDK11):
> WARNING: Unknown module: jdk.attach specified to --add-exports
> WARNING: Unknown module: jdk.compiler specified to --add-exports
> WARNING: Unknown module: jdk.compiler specified to --add-opens
> WARNING: A terminally deprecated method in java.lang.System has been called
> WARNING: System::setSecurityManager has been called by
> org.apache.cassandra.security.ThreadAwareSecurityManager
> (file:/opt/cassandra/lib/apache-cassandra-5.0-alpha2-SNAPSHOT.jar)
> WARNING: Please consider reporting this to the maintainers of
> org.apache.cassandra.security.ThreadAwareSecurityManager
> WARNING: System::setSecurityManager will be removed in a future release
> Anybody knows if these warnings are legit/expected ? We can create
> follow-up tickets if needed.
> $ java --version
> openjdk 17.0.9 2023-10-17
> OpenJDK Runtime Environment Temurin-17.0.9+9 (build 17.0.9+9)
> OpenJDK 64-Bit Server VM Temurin-17.0.9+9 (build 17.0.9+9, mixed mode,
> sharing)
> {code}
> {code:java}
> Clarification: - When running nodetool only the "Unknown module" warnings
> show up. All warnings show up during startup.{code}
> We need to verify whether this presents a real problem in the features where
> those modules are expected to be used, or if it is a false alarm.
>
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