The following test failed in the JDK18 CI:

javax/net/ssl/DTLS/ClientAuth.java

Here's a snippet from the log file:

Server: SSLEngineResult status OK
Exception in ClientCallable.call():
java.net.SocketTimeoutException: Receive timed out
at java.base/sun.nio.ch.DatagramChannelImpl.trustedBlockingReceive(DatagramChannelImpl.java:703)
at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:633)
at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
at DTLSOverDatagram.receiveAppData(DTLSOverDatagram.java:325)
at DTLSOverDatagram.doClientSide(DTLSOverDatagram.java:126)
at DTLSOverDatagram$ClientCallable.call(DTLSOverDatagram.java:617)
at DTLSOverDatagram$ClientCallable.call(DTLSOverDatagram.java:611)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
Exception on client side:
java.util.concurrent.ExecutionException: java.net.SocketTimeoutException: Receive timed out
at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191)
at DTLSOverDatagram.runTest(DTLSOverDatagram.java:560)
at ClientAuth.main(ClientAuth.java:46)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.net.SocketTimeoutException: Receive timed out
at java.base/sun.nio.ch.DatagramChannelImpl.trustedBlockingReceive(DatagramChannelImpl.java:703)
at java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:633)
at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:240)
at java.base/java.net.DatagramSocket.receive(DatagramSocket.java:700)
at DTLSOverDatagram.receiveAppData(DTLSOverDatagram.java:325)
at DTLSOverDatagram.doClientSide(DTLSOverDatagram.java:126)
at DTLSOverDatagram$ClientCallable.call(DTLSOverDatagram.java:617)
at DTLSOverDatagram$ClientCallable.call(DTLSOverDatagram.java:611)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
... 1 more
Client finished: Well done, server!
----------System.err:(14/839)----------
java.lang.RuntimeException: Test failed
at DTLSOverDatagram.runTest(DTLSOverDatagram.java:579)
at ClientAuth.main(ClientAuth.java:46)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:833)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Test failed