instance 起不来

[13567436138]

• I have searched the issues of this repository and believe that this is not a duplicate.
• I have checked the FAQ of this repository and believe that this is not a duplicate.

environment

• canal version
• mysql version

Issue Description

[root@canal-server-0 canal]# cat canal.log 
2026-04-20 04:23:17.082 [main] INFO  com.alibaba.otter.canal.deployer.CanalLauncher - ## set default uncaught exception handler
2026-04-20 04:23:17.088 [main] INFO  com.alibaba.otter.canal.deployer.CanalLauncher - ## load canal configurations
2026-04-20 04:23:17.710 [main] INFO  com.alibaba.otter.canal.deployer.CanalStarter - ## start the canal server.
2026-04-20 04:23:17.935 [main] INFO  com.alibaba.otter.canal.deployer.CanalController - ## start the canal server[10.251.0.59(10.251.0.59):11111]
2026-04-20 04:23:18.004 [main] INFO  com.alibaba.otter.canal.deployer.CanalStarter - ## the canal server is running now ......
2026-04-20 04:56:19.078 [New I/O server worker #1-3] ERROR com.alibaba.otter.canal.admin.handler.SessionHandler - something goes wrong with channel:[id: 0x16b8040c, /192.168.10.124:60514 => /10.251.0.59:11110], exception=java.lang.NegativeArraySizeException
        at org.jboss.netty.buffer.HeapChannelBuffer.<init>(HeapChannelBuffer.java:47)
        at org.jboss.netty.buffer.BigEndianHeapChannelBuffer.<init>(BigEndianHeapChannelBuffer.java:39)
        at org.jboss.netty.buffer.ChannelBuffers.buffer(ChannelBuffers.java:139)
        at org.jboss.netty.buffer.HeapChannelBufferFactory.getBuffer(HeapChannelBufferFactory.java:73)
        at org.jboss.netty.buffer.AbstractChannelBuffer.readBytes(AbstractChannelBuffer.java:306)
        at org.jboss.netty.handler.codec.replay.ReplayingDecoderBuffer.readBytes(ReplayingDecoderBuffer.java:369)
        at com.alibaba.otter.canal.server.netty.handler.FixedHeaderFrameDecoder.decode(FixedHeaderFrameDecoder.java:19)
        at com.alibaba.otter.canal.server.netty.handler.FixedHeaderFrameDecoder.decode(FixedHeaderFrameDecoder.java:15)
        at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:470)
        at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:443)
        at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274)
        at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261)
        at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:351)
        at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:282)
        at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:202)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:750)

[root@canal-admin-7b6467f785-q8ln2 logs]# tail -f admin.log 
2026-04-20 03:43:34.179 [main] INFO  com.alibaba.otter.canal.admin.CanalAdminApplication - Started CanalAdminApplication in 2.241 seconds (JVM running for 2.691)
2026-04-20 03:43:40.208 [http-nio-8089-exec-2] INFO  o.a.catalina.core.ContainerBase.[Tomcat].[localhost].[/] - Initializing Spring DispatcherServlet 'dispatcherServlet'
2026-04-20 03:43:40.209 [http-nio-8089-exec-2] INFO  org.springframework.web.servlet.DispatcherServlet - Initializing Servlet 'dispatcherServlet'
2026-04-20 03:43:40.210 [http-nio-8089-exec-2] INFO  org.springframework.web.servlet.DispatcherServlet - Completed initialization in 1 ms
2026-04-20 03:45:01.357 [pool-2-thread-1] ERROR c.a.otter.canal.admin.connector.SimpleAdminConnectors - connect to ip:10.251.0.59,port:11110,user:admin,password:123*****, failed
2026-04-20 03:45:01.358 [pool-2-thread-1] ERROR c.a.otter.canal.admin.connector.SimpleAdminConnectors - java.net.ConnectException: Connection refused
2026-04-20 04:10:14.621 [pool-3-thread-1] ERROR c.a.otter.canal.admin.connector.SimpleAdminConnectors - connect to ip:10.251.0.59,port:11110,user:admin,password:123*****, failed
2026-04-20 04:10:14.622 [pool-3-thread-1] ERROR c.a.otter.canal.admin.connector.SimpleAdminConnectors - java.net.ConnectException: Connection refused
2026-04-20 04:16:55.977 [pool-4-thread-1] ERROR c.a.otter.canal.admin.connector.SimpleAdminConnectors - connect to ip:10.251.0.59,port:11110,user:admin,password:123*****, failed
2026-04-20 04:16:55.978 [pool-4-thread-1] ERROR c.a.otter.canal.admin.connector.SimpleAdminConnectors - java.net.ConnectException: Connection refused

Steps to reproduce

Expected behaviour

Actual behaviour

# 配置你要监听的数据库
canal.instance.master.address=mysql.mysql.svc.cluster.local:3306
canal.instance.dbUsername=root
canal.instance.dbPassword=tXVC;Vo0cKERj7O2

# 过滤监听哪些表
canal.instance.filter.regex=test\\.user_actions

# 如果是推送到rabbitmq，需要配置 Routing Key
canal.mq.topic=mydb_binlog

If there is an exception, please attach the exception trace:

Just put your stack trace here!