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error.cif.log.2025-07-16.log

error.cif.log.2025-07-16.log 19 KB
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  1. 2025-07-16 19:24:46.425 [dubbo-client-idleCheck-thread-1] ERROR o.a.d.r.exchange.support.header.ReconnectTimerTask -  [DUBBO] Fail to connect to HeaderExchangeClient [channel=org.apache.dubbo.remoting.transport.netty4.NettyClient [169.254.89.253:0 -> /172.17.0.3:20881]], dubbo version: 2.7.1, current host: 169.254.89.253
    2. 

  2. org.apache.dubbo.remoting.RemotingException: client(url: dubbo://172.17.0.3:20881/com.txz.operating.service.OperatingConfigDubboService?anyhost=true&application=cif&bean.name=providers:dubbo:com.txz.operating.service.OperatingConfigDubboService&category=providers&check=false&codec=dubbo&default.check=false&default.deprecated=false&default.dynamic=false&default.generic=false&default.lazy=false&default.register=true&default.sticky=false&deprecated=false&dubbo=2.0.2&dynamic=false&generic=false&heartbeat=60000&interface=com.txz.operating.service.OperatingConfigDubboService&lazy=false&methods=getConfigByCode&path=com.txz.operating.service.OperatingConfigDubboService&payload=83886080&pid=77963&protocol=dubbo&qos.accept.foreign.ip=true&qos.enable=false&qos.port=-1&register=true&register.ip=169.254.89.253&release=2.7.1&remote.application=operating&remote.timestamp=1752546658673&revision=1.0.0-SNAPSHOT&serialization=kryo&side=consumer&sticky=false&timestamp=1752665019069) failed to connect to server /172.17.0.3:20881, error message is:connection timed out: /172.17.0.3:20881
    3. 

  3. 	at org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:131)
    4. 

  4. 	at org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:186)
    5. 

  5. 	at org.apache.dubbo.remoting.transport.AbstractClient.reconnect(AbstractClient.java:242)
    6. 

  6. 	at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeClient.reconnect(HeaderExchangeClient.java:152)
    7. 

  7. 	at org.apache.dubbo.remoting.exchange.support.header.ReconnectTimerTask.doTask(ReconnectTimerTask.java:49)
    8. 

  8. 	at org.apache.dubbo.remoting.exchange.support.header.AbstractTimerTask.run(AbstractTimerTask.java:87)
    9. 

  9. 	at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:648)
    10. 

  10. 	at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:727)
    11. 

  11. 	at org.apache.dubbo.common.timer.HashedWheelTimer$Worker.run(HashedWheelTimer.java:449)
    12. 

  12. 	at java.lang.Thread.run(Thread.java:750)
    13. 

  13. Caused by: io.netty.channel.ConnectTimeoutException: connection timed out: /172.17.0.3:20881
    14. 

  14. 	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe$1.run(AbstractNioChannel.java:267)
    15. 

  15. 	at io.netty.util.concurrent.PromiseTask$RunnableAdapter.call(PromiseTask.java:38)
    16. 

  16. 	at io.netty.util.concurrent.ScheduledFutureTask.run(ScheduledFutureTask.java:127)
    17. 

  17. 	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:163)
    18. 

  18. 	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java)
    19. 

  19. 	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
    20. 

  20. 	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:446)
    21. 

  21. 	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
    22. 

  22. 	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
    23. 

  23. 	... 1 common frames omitted
    24. 

  24. 2025-07-16 19:25:25.914 [RMI TCP Connection(10)-192.168.0.102] ERROR com.zaxxer.hikari.pool.HikariPool - DatebookHikariCP - Exception during pool initialization.
    25. 

  25. com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
    26. 

  26. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    27. 

  27. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    28. 

  28. 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    29. 

  29. 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    30. 

  30. 	at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
    31. 

  31. 	at com.mysql.jdbc.Util.getInstance(Util.java:408)
    32. 

  32. 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:919)
    33. 

  33. 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:898)
    34. 

  34. 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:887)
    35. 

  35. 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:861)
    36. 

  36. 	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2105)
    37. 

  37. 	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2030)
    38. 

  38. 	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:778)
    39. 

  39. 	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    40. 

  40. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    41. 

  41. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    42. 

  42. 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    43. 

  43. 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    44. 

  44. 	at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
    45. 

  45. 	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386)
    46. 

  46. 	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)
    47. 

  47. 	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:117)
    48. 

  48. 	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:123)
    49. 

  49. 	at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:365)
    50. 

  50. 	at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:194)
    51. 

  51. 	at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:460)
    52. 

  52. 	at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:534)
    53. 

  53. 	at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
    54. 

  54. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
    55. 

  55. 	at com.zaxxer.hikari.HikariDataSource$$FastClassBySpringCGLIB$$eeb1ae86.invoke(<generated>)
    56. 

  56. 	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
    57. 

  57. 	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746)
    58. 

  58. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
    59. 

  59. 	at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136)
    60. 

  60. 	at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124)
    61. 

  61. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
    62. 

  62. 	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
    63. 

  63. 	at com.zaxxer.hikari.HikariDataSource$$EnhancerBySpringCGLIB$$dd7353f.getConnection(<generated>)
    64. 

  64. 	at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:151)
    65. 

  65. 	at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115)
    66. 

  66. 	at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78)
    67. 

  67. 	at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:324)
    68. 

  68. 	at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.getProduct(DataSourceHealthIndicator.java:122)
    69. 

  69. 	at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doDataSourceHealthCheck(DataSourceHealthIndicator.java:109)
    70. 

  70. 	at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doHealthCheck(DataSourceHealthIndicator.java:104)
    71. 

  71. 	at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:84)
    72. 

  72. 	at org.springframework.boot.actuate.health.CompositeHealthIndicator.health(CompositeHealthIndicator.java:68)
    73. 

  73. 	at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:47)
    74. 

  74. 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    75. 

  75. 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    76. 

  76. 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    77. 

  77. 	at java.lang.reflect.Method.invoke(Method.java:498)
    78. 

  78. 	at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:223)
    79. 

  79. 	at org.springframework.boot.actuate.endpoint.invoke.reflect.ReflectiveOperationInvoker.invoke(ReflectiveOperationInvoker.java:76)
    80. 

  80. 	at org.springframework.boot.actuate.endpoint.annotation.AbstractDiscoveredOperation.invoke(AbstractDiscoveredOperation.java:61)
    81. 

  81. 	at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:126)
    82. 

  82. 	at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:99)
    83. 

  83. 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    84. 

  84. 	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
    85. 

  85. 	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
    86. 

  86. 	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
    87. 

  87. 	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
    88. 

  88. 	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)
    89. 

  89. 	at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)
    90. 

  90. 	at sun.reflect.GeneratedMethodAccessor194.invoke(Unknown Source)
    91. 

  91. 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    92. 

  92. 	at java.lang.reflect.Method.invoke(Method.java:498)
    93. 

  93. 	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357)
    94. 

  94. 	at sun.rmi.transport.Transport$1.run(Transport.java:200)
    95. 

  95. 	at sun.rmi.transport.Transport$1.run(Transport.java:197)
    96. 

  96. 	at java.security.AccessController.doPrivileged(Native Method)
    97. 

  97. 	at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
    98. 

  98. 	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573)
    99. 

  99. 	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834)
    100. 

  100. 	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688)
    101. 

  101. 	at java.security.AccessController.doPrivileged(Native Method)
    102. 

  102. 	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687)
    103. 

  103. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    104. 

  104. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    105. 

  105. 	at java.lang.Thread.run(Thread.java:750)
    106. 

  106. Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
    107. 

  107. 

  108. The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
    109. 

  109. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    110. 

  110. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    111. 

  111. 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    112. 

  112. 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    113. 

  113. 	at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
    114. 

  114. 	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
    115. 

  115. 	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:342)
    116. 

  116. 	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2197)
    117. 

  117. 	at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2046)
    118. 

  118. 	... 69 common frames omitted
    119. 

  119. Caused by: java.net.SocketTimeoutException: connect timed out
    120. 

  120. 	at java.net.PlainSocketImpl.socketConnect(Native Method)
    121. 

  121. 	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476)
    122. 

  122. 	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218)
    123. 

  123. 	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200)
    124. 

  124. 	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394)
    125. 

  125. 	at java.net.Socket.connect(Socket.java:606)
    126. 

  126. 	at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
    127. 

  127. 	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:301)
    128. 

  128. 	... 71 common frames omitted
    129. 

  129. 2025-07-16 19:25:50.281 [dubbo-client-idleCheck-thread-1] ERROR o.a.d.r.exchange.support.header.ReconnectTimerTask -  [DUBBO] Fail to connect to HeaderExchangeClient [channel=org.apache.dubbo.remoting.transport.netty4.NettyClient [169.254.89.253:0 -> /172.17.0.3:20881]], dubbo version: 2.7.1, current host: 169.254.89.253
    130. 

  130. org.apache.dubbo.remoting.RemotingException: client(url: dubbo://172.17.0.3:20881/com.txz.operating.service.OperatingConfigDubboService?anyhost=true&application=cif&bean.name=providers:dubbo:com.txz.operating.service.OperatingConfigDubboService&category=providers&check=false&codec=dubbo&default.check=false&default.deprecated=false&default.dynamic=false&default.generic=false&default.lazy=false&default.register=true&default.sticky=false&deprecated=false&dubbo=2.0.2&dynamic=false&generic=false&heartbeat=60000&interface=com.txz.operating.service.OperatingConfigDubboService&lazy=false&methods=getConfigByCode&path=com.txz.operating.service.OperatingConfigDubboService&payload=83886080&pid=77963&protocol=dubbo&qos.accept.foreign.ip=true&qos.enable=false&qos.port=-1&register=true&register.ip=169.254.89.253&release=2.7.1&remote.application=operating&remote.timestamp=1752546658673&revision=1.0.0-SNAPSHOT&serialization=kryo&side=consumer&sticky=false&timestamp=1752665019069) failed to connect to server /172.17.0.3:20881 client-side timeout 3000ms (elapsed: 3008ms) from netty client 169.254.89.253 using dubbo version 2.7.1
    131. 

  131. 	at org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:136)
    132. 

  132. 	at org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:186)
    133. 

  133. 	at org.apache.dubbo.remoting.transport.AbstractClient.reconnect(AbstractClient.java:242)
    134. 

  134. 	at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeClient.reconnect(HeaderExchangeClient.java:152)
    135. 

  135. 	at org.apache.dubbo.remoting.exchange.support.header.ReconnectTimerTask.doTask(ReconnectTimerTask.java:49)
    136. 

  136. 	at org.apache.dubbo.remoting.exchange.support.header.AbstractTimerTask.run(AbstractTimerTask.java:87)
    137. 

  137. 	at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:648)
    138. 

  138. 	at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:727)
    139. 

  139. 	at org.apache.dubbo.common.timer.HashedWheelTimer$Worker.run(HashedWheelTimer.java:449)
    140. 

  140. 	at java.lang.Thread.run(Thread.java:750)
    141. 

  141. 2025-07-16 19:26:54.271 [dubbo-client-idleCheck-thread-1] ERROR o.a.d.r.exchange.support.header.ReconnectTimerTask -  [DUBBO] Fail to connect to HeaderExchangeClient [channel=org.apache.dubbo.remoting.transport.netty4.NettyClient [169.254.89.253:0 -> /172.17.0.3:20881]], dubbo version: 2.7.1, current host: 169.254.89.253
    142. 

  142. org.apache.dubbo.remoting.RemotingException: client(url: dubbo://172.17.0.3:20881/com.txz.operating.service.OperatingConfigDubboService?anyhost=true&application=cif&bean.name=providers:dubbo:com.txz.operating.service.OperatingConfigDubboService&category=providers&check=false&codec=dubbo&default.check=false&default.deprecated=false&default.dynamic=false&default.generic=false&default.lazy=false&default.register=true&default.sticky=false&deprecated=false&dubbo=2.0.2&dynamic=false&generic=false&heartbeat=60000&interface=com.txz.operating.service.OperatingConfigDubboService&lazy=false&methods=getConfigByCode&path=com.txz.operating.service.OperatingConfigDubboService&payload=83886080&pid=77963&protocol=dubbo&qos.accept.foreign.ip=true&qos.enable=false&qos.port=-1&register=true&register.ip=169.254.89.253&release=2.7.1&remote.application=operating&remote.timestamp=1752546658673&revision=1.0.0-SNAPSHOT&serialization=kryo&side=consumer&sticky=false&timestamp=1752665019069) failed to connect to server /172.17.0.3:20881 client-side timeout 3000ms (elapsed: 3006ms) from netty client 169.254.89.253 using dubbo version 2.7.1
    143. 

  143. 	at org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:136)
    144. 

  144. 	at org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:186)
    145. 

  145. 	at org.apache.dubbo.remoting.transport.AbstractClient.reconnect(AbstractClient.java:242)
    146. 

  146. 	at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeClient.reconnect(HeaderExchangeClient.java:152)
    147. 

  147. 	at org.apache.dubbo.remoting.exchange.support.header.ReconnectTimerTask.doTask(ReconnectTimerTask.java:49)
    148. 

  148. 	at org.apache.dubbo.remoting.exchange.support.header.AbstractTimerTask.run(AbstractTimerTask.java:87)
    149. 

  149. 	at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:648)
    150. 

  150. 	at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:727)
    151. 

  151. 	at org.apache.dubbo.common.timer.HashedWheelTimer$Worker.run(HashedWheelTimer.java:449)
    152. 

  152. 	at java.lang.Thread.run(Thread.java:750)
    153. 

  153. 2025-07-16 19:27:58.273 [dubbo-client-idleCheck-thread-1] ERROR o.a.d.r.exchange.support.header.ReconnectTimerTask -  [DUBBO] Fail to connect to HeaderExchangeClient [channel=org.apache.dubbo.remoting.transport.netty4.NettyClient [169.254.89.253:0 -> /172.17.0.3:20881]], dubbo version: 2.7.1, current host: 169.254.89.253
    154. 

  154. org.apache.dubbo.remoting.RemotingException: client(url: dubbo://172.17.0.3:20881/com.txz.operating.service.OperatingConfigDubboService?anyhost=true&application=cif&bean.name=providers:dubbo:com.txz.operating.service.OperatingConfigDubboService&category=providers&check=false&codec=dubbo&default.check=false&default.deprecated=false&default.dynamic=false&default.generic=false&default.lazy=false&default.register=true&default.sticky=false&deprecated=false&dubbo=2.0.2&dynamic=false&generic=false&heartbeat=60000&interface=com.txz.operating.service.OperatingConfigDubboService&lazy=false&methods=getConfigByCode&path=com.txz.operating.service.OperatingConfigDubboService&payload=83886080&pid=77963&protocol=dubbo&qos.accept.foreign.ip=true&qos.enable=false&qos.port=-1&register=true&register.ip=169.254.89.253&release=2.7.1&remote.application=operating&remote.timestamp=1752546658673&revision=1.0.0-SNAPSHOT&serialization=kryo&side=consumer&sticky=false&timestamp=1752665019069) failed to connect to server /172.17.0.3:20881 client-side timeout 3000ms (elapsed: 3010ms) from netty client 169.254.89.253 using dubbo version 2.7.1
    155. 

  155. 	at org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:136)
    156. 

  156. 	at org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:186)
    157. 

  157. 	at org.apache.dubbo.remoting.transport.AbstractClient.reconnect(AbstractClient.java:242)
    158. 

  158. 	at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeClient.reconnect(HeaderExchangeClient.java:152)
    159. 

  159. 	at org.apache.dubbo.remoting.exchange.support.header.ReconnectTimerTask.doTask(ReconnectTimerTask.java:49)
    160. 

  160. 	at org.apache.dubbo.remoting.exchange.support.header.AbstractTimerTask.run(AbstractTimerTask.java:87)
    161. 

  161. 	at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:648)
    162. 

  162. 	at org.apache.dubbo.common.timer.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:727)
    163. 

  163. 	at org.apache.dubbo.common.timer.HashedWheelTimer$Worker.run(HashedWheelTimer.java:449)
    164. 

  164. 	at java.lang.Thread.run(Thread.java:750)
    165.