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https://issues.apache.org/jira/browse/CASSANDRA-15240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Petrov updated CASSANDRA-15240:
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Component/s: (was: Test/dtest/python)
Test/dtest/java
> Reinstate support for native libraries for in-JVM dtests
> --------------------------------------------------------
>
> Key: CASSANDRA-15240
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15240
> Project: Cassandra
> Issue Type: Improvement
> Components: Test/dtest/java
> Reporter: Jon Meredith
> Priority: Normal
>
> While working on CASSANDRA-15170 native libraries for libc functions, epoll
> support and openssl were observed holding gcroots to the instance class
> loaders when in-JVM dtest {{with(NETWORK)}} support was enabled. The solution
> for CASSANDRA-15170 was to disable native libraries to get everything
> working, but this is not ideal because in-JVM tests will not be testing the
> real code on that platform.
> One proposed solution from [~ifesdjeen] and [~benedict] is to introduce an
> additional classloader per-Cassandra version that can be used for loading
> native libraries and share the {{CassandraVersionClassLoader}} by each
> instance of that version, enabling the {{InstanceClassLoader}} to be garbage
> collected.
> {noformat}
> CLibrary
> com.sun.jna.Native.registeredClasses
> com.sun.jna.Native.options
> com.sun.jna.Native.registredLibraries
> Netty
> io.netty.channel.ChannelException
> io.netty.channel.unix.DatagramSocketAddress
> io.netty.channel.unix.PeerCredentials
> io.netty.internal.tcnative.CertificateCallbackTask
> io.netty.internal.tcnative.CertificateVerifierTask
> io.netty.internal.tcnative.SSLPrivateKeyMethodDecryptTask
> io.netty.internal.tcnative.SSLPrivateKeyMethodSignTask
> io.netty.internal.tcnative.SSLPrivateKeyMethodTask
> io.netty.internal.tcnative.SSLTask
> {noformat}
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