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https://issues.apache.org/jira/browse/CASSANDRA-19780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17867026#comment-17867026
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Ekaterina Dimitrova commented on CASSANDRA-19780:
-------------------------------------------------
Ops, I just saw the PR landed in the meantime. Thanks. My previous comment
still stands though
> Illegal access warning logs visible on bin/tools invocations
> ------------------------------------------------------------
>
> Key: CASSANDRA-19780
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19780
> Project: Cassandra
> Issue Type: Bug
> Components: Legacy/Tools
> Reporter: Stefan Miklosovic
> Assignee: Stefan Miklosovic
> Priority: Normal
> Fix For: 5.x
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> There is discrepancy between what opens we have for tools under Java 17 and
> what we open under Java 11.
> For example this does not emit any warnings when we are on Java 17:
> {code:java}
> ./tools/bin/auditlogviewer /tmp/diagnostics -f {code}
> But it does emit these warnings when we are on Java 11
> {code:java}
> WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access using Lookup on
> net.openhft.chronicle.core.Jvm
> (file:/tmp/apache-test/apache-cassandra-5.0-rc1-SNAPSHOT/lib/chronicle-core-2.23.36.jar)
> to class java.lang.reflect.AccessibleObject
> WARNING: Please consider reporting this to the maintainers of
> net.openhft.chronicle.core.Jvm
> WARNING: Use --illegal-access=warn to enable warnings of further illegal
> reflective access operations
> WARNING: All illegal access operations will be denied in a future
> release{code}
> When I compared what that tool runs with on Java 17 and Java 11, I see this:
>
> Java 17
> {code:java}
> --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
> --add-exports java.management.rmi/com.sun.jmx.remote.internal.rmi=ALL-UNNAMED
> --add-exports java.rmi/sun.rmi.registry=ALL-UNNAMED
> --add-exports java.rmi/sun.rmi.server=ALL-UNNAMED
> --add-exports java.sql/java.sql=ALL-UNNAMED
> --add-exports java.base/java.lang.ref=ALL-UNNAMED
> --add-exports jdk.unsupported/sun.misc=ALL-UNNAMED
> --add-opens java.base/java.lang.module=ALL-UNNAMED
> --add-opens java.base/jdk.internal.loader=ALL-UNNAMED
> --add-opens java.base/jdk.internal.ref=ALL-UNNAMED
> --add-opens java.base/jdk.internal.reflect=ALL-UNNAMED
> --add-opens java.base/jdk.internal.math=ALL-UNNAMED
> --add-opens java.base/jdk.internal.module=ALL-UNNAMED
> --add-opens java.base/jdk.internal.util.jar=ALL-UNNAMED
> --add-opens jdk.management/com.sun.management.internal=ALL-UNNAMED
> --add-opens java.base/sun.nio.ch=ALL-UNNAMED
> --add-opens java.base/java.io=ALL-UNNAMED
> --add-opens java.base/java.lang=ALL-UNNAMED
> --add-opens java.base/java.lang.reflect=ALL-UNNAMED
> --add-opens java.base/java.util=ALL-UNNAMED
> --add-opens java.base/java.nio=ALL-UNNAMED
> --add-exports jdk.attach/sun.tools.attach=ALL-UNNAMED
> --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED
> --add-opens jdk.compiler/com.sun.tools.javac=ALL-UNNAMED {code}
> For Java 11
> {code:java}
> --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
> --add-exports java.base/jdk.internal.ref=ALL-UNNAMED
> --add-exports java.base/sun.nio.ch=ALL-UNNAMED
> --add-exports java.management.rmi/com.sun.jmx.remote.internal.rmi=ALL-UNNAMED
> --add-exports java.rmi/sun.rmi.registry=ALL-UNNAMED
> --add-exports java.rmi/sun.rmi.server=ALL-UNNAMED
> --add-exports java.sql/java.sql=ALL-UNNAMED
> --add-opens java.base/java.lang.module=ALL-UNNAMED
> --add-opens java.base/jdk.internal.loader=ALL-UNNAMED
> --add-opens java.base/jdk.internal.ref=ALL-UNNAMED
> --add-opens java.base/jdk.internal.reflect=ALL-UNNAMED
> --add-opens java.base/jdk.internal.math=ALL-UNNAMED
> --add-opens java.base/jdk.internal.module=ALL-UNNAMED
> --add-opens java.base/jdk.internal.util.jar=ALL-UNNAMED
> --add-opens jdk.management/com.sun.management.internal=ALL-UNNAMED {code}
> The difference is that we are not exporting this for Java 11
> {code:java}
> --add-opens java.base/sun.nio.ch=ALL-UNNAMED
> --add-opens java.base/java.io=ALL-UNNAMED
> --add-opens java.base/java.lang=ALL-UNNAMED
> --add-opens java.base/java.lang.reflect=ALL-UNNAMED
> --add-opens java.base/java.util=ALL-UNNAMED
> --add-opens java.base/java.nio=ALL-UNNAMED
> --add-opens java.base/java.lang.reflect=ALL-UNNAMED {code}
> For Java 17, we explicitly add only these which are not applicable for 11
> (check the end of tools/bin/cassandra.in.sh)
> {code:java}
> --add-exports jdk.attach/sun.tools.attach=ALL-UNNAMED
> --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED
> --add-opens jdk.compiler/com.sun.tools.javac=ALL-UNNAMED {code}
>
> So, what I propose is that we add the missing opens to cassandra.in.sh for
> Java 11.
> Even better, I would add this to conf/jvm11-clients.options
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