codelipenghui opened a new issue #14875:
URL: https://github.com/apache/pulsar/issues/14875


   **Describe the bug**
   ```
   13:15:28.275 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   13:15:28.275 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   13:15:28.275 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   13:15:28.275 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   13:15:28.275 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   13:15:28.275 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   13:15:28.275 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   13:15:28.276 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   13:15:28.276 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   13:15:28.276 [pulsar-io-5-1] ERROR 
org.apache.pulsar.broker.transaction.buffer.impl.TransactionBufferHandlerImpl - 
endTxn error topic: [persistent://public/default/sink-topic-partition-1]
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: Connection already closed
        at 
java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:346)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:777)
 ~[?:?]
        at 
java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) 
[?:?]
        at 
java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
 [?:?]
        at 
org.apache.pulsar.client.impl.ClientCnx.channelInactive(ClientCnx.java:262) 
[org.apache.pulsar-pulsar-client-original-2.9.2.jar:2.9.2]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357)
 [io.netty-netty-codec-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
 [io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) 
[io.netty-netty-transport-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) 
[io.netty-netty-transport-classes-epoll-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) 
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at 
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
 [io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
        at java.lang.Thread.run(Thread.java:829) [?:?]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: Connection 
already closed
        ... 21 more
   ```
   
   **Additional context**
   latest branch-2.9


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