lhotari opened a new issue #8580:
URL: https://github.com/apache/pulsar/issues/8580
**Describe the bug**
There's some issue with Pulsar when TLS 1.3 is available. JDK versions since
8u261 bundle TLS 1.3 .
One sign of the issues is that ProxyKeyStoreTlsTestWithAuth and
ProxyKeyStoreTlsTestWithoutAuth fail when TLS1.3 is available.
Underlying exception is:
```
java.nio.channels.ClosedChannelException: null
at
io.netty.handler.ssl.SslHandler.channelInactive(SslHandler.java:1105)
[netty-handler-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
[netty-transport-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
[netty-transport-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
[netty-transport-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
[netty-transport-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
[netty-transport-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
[netty-transport-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
[netty-transport-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.channel.AbstractChannel$AbstractUnsafe$8.run(AbstractChannel.java:818)
[netty-transport-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
[netty-common-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
[netty-common-4.1.51.Final.jar:4.1.51.Final]
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384)
[netty-transport-native-epoll-4.1.51.Final-linux-x86_64.jar:4.1.51.Final]
at
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
[netty-common-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
[netty-common-4.1.51.Final.jar:4.1.51.Final]
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
[netty-common-4.1.51.Final.jar:4.1.51.Final]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_272]
```
**To Reproduce**
Steps to reproduce the behavior:
Install Java JDK equal or newer than 8u261, for example 8u272
```
git clone --depth 1 https://github.com/apache/pulsar
cd pulsar
mvn -B -ntp -DskipTests -Pcore-modules install
mvn -B -ntp test -pl pulsar-proxy -DtestForkCount=1 -DtestReuseFork=true
-Dinclude="**/ProxyKeyStoreTlsTestWith*.java" -DredirectTestOutputToFile=false
```
**Expected behavior**
Java 8 with TLS 1.3 implementation should be supported for Pulsar
development and also at runtime.
Currently it's unclear whether the TLS 1.3 availability causes some other
issues at Pulsar runtime.
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