judong opened a new issue, #14675: URL: https://github.com/apache/dubbo/issues/14675
### Pre-check - [X] I am sure that all the content I provide is in English. ### Search before asking - [X] I had searched in the [issues](https://github.com/apache/dubbo/issues?q=is%3Aissue) and found no similar issues. ### Apache Dubbo Component Java SDK (apache/dubbo) ### Dubbo Version This issue occurs in both Dubbo 3.3.0 and 3.2.16. Java version: 17.0.12 Operating System: macOS 14.6.1 (23G93) ### Steps to reproduce this issue When using AsyncContext for asynchronous service processing, a java.util.concurrent.RejectedExecutionException: null is occasionally thrown during a loop of 10,000 iterations. However, the same code works successfully without errors in **Dubbo 3.2.15**. 2024-09-14T14:58:17.101+04:00 WARN 39176 --- [lientWorker-2-1] r.p.t.t.TripleHttp2ClientResponseHandler : [DUBBO] Meet Exception on ClientResponseHandler, status code is: INTERNAL, dubbo version: 3.3.0, current host: 192.168.200.145, error code: 4-10. This may be caused by , go to https://dubbo.apache.org/faq/4/10 to find instructions. java.util.concurrent.RejectedExecutionException: null at org.apache.dubbo.common.threadpool.ThreadlessExecutor.execute(ThreadlessExecutor.java:101) ~[dubbo-3.3.0.jar:3.3.0] at org.apache.dubbo.common.threadpool.serial.SerializingExecutor.schedule(SerializingExecutor.java:73) ~[dubbo-3.3.0.jar:3.3.0] at org.apache.dubbo.common.threadpool.serial.SerializingExecutor.execute(SerializingExecutor.java:65) ~[dubbo-3.3.0.jar:3.3.0] at org.apache.dubbo.rpc.protocol.tri.stream.AbstractTripleClientStream$ClientTransportListener.onClose(AbstractTripleClientStream.java:459) ~[dubbo-3.3.0.jar:3.3.0] at org.apache.dubbo.rpc.protocol.tri.transport.TripleHttp2ClientResponseHandler.channelInactive(TripleHttp2ClientResponseHandler.java:83) ~[dubbo-3.3.0.jar:3.3.0] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:303) ~[netty-transport-4.1.112.Final.jar:4.1.112.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:281) ~[netty-transport-4.1.112.Final.jar:4.1.112.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:274) ~[netty-transport-4.1.112.Final.jar:4.1.112.Final] at io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1402) ~[netty-transport-4.1.112.Final.jar:4.1.112.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:301) ~[netty-transport-4.1.112.Final.jar:4.1.112.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:281) ~[netty-transport-4.1.112.Final.jar:4.1.112.Final] at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:900) ~[netty-transport-4.1.112.Final.jar:4.1.112.Final] at io.netty.handler.codec.http2.AbstractHttp2StreamChannel$Http2ChannelUnsafe$2.run(AbstractHttp2StreamChannel.java:797) ~[netty-codec-http2-4.1.112.Final.jar:4.1.112.Final] at io.netty.util.concurrent.AbstractEventExecutor.runTask$$$capture(AbstractEventExecutor.java:173) ~[netty-common-4.1.112.Final.jar:4.1.112.Final] at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java) ~[netty-common-4.1.112.Final.jar:4.1.112.Final] at io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:166) ~[netty-common-4.1.112.Final.jar:4.1.112.Final] at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java) ~[netty-common-4.1.112.Final.jar:4.1.112.Final] at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469) ~[netty-common-4.1.112.Final.jar:4.1.112.Final] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:566) ~[netty-transport-4.1.112.Final.jar:4.1.112.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:994) ~[netty-common-4.1.112.Final.jar:4.1.112.Final] at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.112.Final.jar:4.1.112.Final] at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.112.Final.jar:4.1.112.Final] at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na] ### What you expected to happen 3.3.0 version and 3.2.16 versin dubbo, not this error ### Anything else _No response_ ### Are you willing to submit a pull request to fix on your own? - [X] Yes I am willing to submit a pull request on my own! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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