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https://issues.apache.org/jira/browse/CASSANDRA-16895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17708543#comment-17708543
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Josh McKenzie commented on CASSANDRA-16895:
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bq. Once Accord is working as part of the C* code base I do not understand how
it could use a different JDK.
For sure; this merge wouldn't make that viable. I forgot about the subproject
nesting build-time coupling change.
For the simulator if it's in another project, one could theoretically use more
advanced JDK features in it if C* itself were able to _run_ on those newer
JDK's. I think, in theory, you wouldn't really risk violating any of your
ordering and correctness contracts the simulator is stepping through just by
virtue of a newer JDK running something built to an older language model.
In theory. Way out of my area of deep knowledge here so I'll defer to
[~benedict] to provide further context or detail if he so chooses.
> Build with Java 17
> ------------------
>
> Key: CASSANDRA-16895
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16895
> Project: Cassandra
> Issue Type: Epic
> Components: Build
> Reporter: Ekaterina Dimitrova
> Assignee: Ekaterina Dimitrova
> Priority: Normal
> Fix For: 5.x
>
>
> This ticket is intended to group all issues found to support Java 17 in the
> future.
> Upgrade steps:
> * [Dependencies
> |https://mvnrepository.com/artifact/org.apache.cassandra/cassandra-all/4.0.1]to
> be updated (not all but at least those that require an update in order to
> work with Java 17)
> * More encapsulated JDK internal APIs. Some of the issues might be solved
> with the dependencies updates
> * Currently trunk compiles if we remove the Nashorn dependency (ant script
> tag, used for the test environment; UDFs) . The oracle recommendation to use
> Nashorn-core won't work for the project as it is under GPL 2.0. Most probably
> we will opt in for graal-sdk licensed under UPL
> * All tests to be cleaned
> * CI environment to be setup
> *NOTE:* GC tuning, performance testing were never agreed to be part of this
> ticket.
> Below is a snapshot of current CI failures with JDK17, it will be updated on
> a regular basis with a date of update
> *March 19th 2023*
> || ||Failing Test Classes||Ticket Numbers||
> | |_Python DTests_| |
> |1|test_sjk|CASSANDRA-18343|
> | |_Java Ditributed Tests_| |
> |1-6|org.apache.cassandra.distributed.test.ReprepareOldBehaviourTest - all
> tests,
> org.apache.cassandra.distributed.test.PrepareBatchStatementsTest - all tests,
> org.apache.cassandra.distributed.test.IPMembershipTest - both tests,
> org.apache.cassandra.distributed.test.MixedModeFuzzTest,
> org.apache.cassandra.distributed.test.ReprepareFuzzTest,
> org.apache.cassandra.distributed.test.ReprepareNewBehaviourTest|CASSANDRA-16304|
> |7,8|org.apache.cassandra.distributed.test.NativeTransportEncryptionOptionsTest
> - all tests
> org.apache.cassandra.distributed.test.InternodeEncryptionOptionsTest - all
> tests|Could be related to CASSANDRA-18180, to be checked |
> |9|org.apache.cassandra.distributed.test.SSTableLoaderEncryptionOptionsTest -
> 2 tests|CASSANDRA-18180|
> | |_Unit Tests_| |
> |1|org.apache.cassandra.repair.RepairJobTest - 1 test|CASSANDRA-17884|
> |2|org.apache.cassandra.security.SSLFactoryTest - all tests|CASSANDRA-17992|
> |3,4|org.apache.cassandra.db.memtable.MemtableSizeOffheapBuffersTest,
> org.apache.cassandra.utils.concurrent.RefCountedTest|CASSANDRA-18329|
> |5,6|org.apache.cassandra.cql3.validation.entities.UFJavaTest,
> org.apache.cassandra.cql3.validation.entities.UFSecurityTest|CASSANDRA-18190|
> | | | |
> | | | |
>
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