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https://issues.apache.org/jira/browse/CASSANDRA-18180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17719564#comment-17719564
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dan jatnieks commented on CASSANDRA-18180:
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I created a patch that implements {{sun.nio.ch.DirectBuffer}} in
{{BufferPool$Chunk}} and {{Ref}} - doing this resolves the
{{ClassCastException}} coming from {{GaloisCounterMode.overlapDetection}}.
Since {{DirectBuffer}} is not publicly exposed, to make compilation work for
JDK11/17 it's necessary to add exports for {{java.base/jdk.internal.ref}} and
{{java.base/sun.nio.ch}}.
There is also a change to how {{TestNameCheckTask}} is invoked by
{{build.xml}}. Since {{TestNameCheckTask}} uses {{Reflections}} to get the
methods annotated with {{@Test}}, and that involves loading classes with the
ClassLoader it also needs to pass jvm args for jdk11/17 to avoid
{{IllegalAccessError}} to {{sun.nio.ch.DirectBuffer}} (not exported by
{{java.base}}). To accomplish this, the {{checktestnameshelper}} ant task in
{{build.xml}} is replaced with a java task, passing the necessary jvm args.
Note: these changes are not compatible with JDK8.
||Branch||CI||
|[trunk|https://github.com/djatnieks/cassandra/tree/CASSANDRA-18180]|[java
11|https://app.circleci.com/pipelines/github/djatnieks/cassandra/3/workflows/7ba8f619-835e-4464-b5a0-6c828352e3d0]
[java
17|https://app.circleci.com/pipelines/github/djatnieks/cassandra/3/workflows/86cc2e85-e718-4d09-aa55-fbec0c399733]|
> bulkLoaderSuccessfullyStreamsOverSsl fails with ClassCastException on JDK17
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-18180
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18180
> Project: Cassandra
> Issue Type: Bug
> Components: CI
> Reporter: Ekaterina Dimitrova
> Assignee: dan jatnieks
> Priority: Normal
>
> While working on CASSANDRA-17992 we hit:
> {code:java}
> java.lang.ClassCastException: class
> org.apache.cassandra.utils.memory.BufferPool$Chunk cannot be cast to class
> sun.nio.ch.DirectBuffer (org.apache.cassandra.utils.memory.BufferPool$Chunk
> is in unnamed module of loader 'app'; sun.nio.ch.DirectBuffer is in module
> java.base of loader 'bootstrap')\n\tat
> java.base/com.sun.crypto.provider.GaloisCounterMode$GCMEngine.overlapDetection(GaloisCounterMode.java:865)\n\tat
>
> java.base/com.sun.crypto.provider.GaloisCounterMode$GCMDecrypt.doFinal(GaloisCounterMode.java:1502)\n\tat
>
> java.base/com.sun.crypto.provider.GaloisCounterMode.engineDoFinal(GaloisCounterMode.java:447)\n\tat
>
> {code}
> -The issue is exposed with JDK 17, trunk; if interested, ping- [~e.dimitrova]
> -for current branch as there is no feature branch at the moment- we can
> build and start from trunk with JDK17 already. Circle CI can be run for JDK17
> too. For more information how to do that - .circleci/readme.md
> CC [~benedict]
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