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.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:54:52.044 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:54:52.044 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:54:52.044 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:54:52.045 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:54:52.045 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:55:05.464 INFO 2375085 --- [http-nio-8802-exec-10] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:55:05.464 INFO 2375085 --- [http-nio-8802-exec-10] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:55:05.464 INFO 2375085 --- [http-nio-8802-exec-10] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@29bbc4e, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@3fd4e523, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@632f4713, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@14636804, containsSubquery=false)
2026-08-30 23:55:05.464 INFO 2375085 --- [http-nio-8802-exec-10] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:55:22.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8798
2026-08-30 23:55:22.044 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:55:22.045 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:55:22.046 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@e4d4617(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:55:22.046 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:55:22.046 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:55:22.046 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:55:22.046 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:55:22.047 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:55:25.500 INFO 2375085 --- [http-nio-8802-exec-11] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:55:25.500 INFO 2375085 --- [http-nio-8802-exec-11] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:55:25.500 INFO 2375085 --- [http-nio-8802-exec-11] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@38a05b78, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@66141860, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@306168e8, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@48adc51a, containsSubquery=false)
2026-08-30 23:55:25.500 INFO 2375085 --- [http-nio-8802-exec-11] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:55:45.476 INFO 2375085 --- [http-nio-8802-exec-3] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:55:45.476 INFO 2375085 --- [http-nio-8802-exec-3] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:55:45.476 INFO 2375085 --- [http-nio-8802-exec-3] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@4fe29e33, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@7b178be8, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@4cef9f2a, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@7504c88, containsSubquery=false)
2026-08-30 23:55:45.476 INFO 2375085 --- [http-nio-8802-exec-3] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:55:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8799
2026-08-30 23:55:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:55:52.043 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:55:52.044 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:55:52.044 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:55:52.044 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:55:52.044 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:55:52.044 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@63308f4b(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:55:52.044 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:56:05.488 INFO 2375085 --- [http-nio-8802-exec-8] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:56:05.489 INFO 2375085 --- [http-nio-8802-exec-8] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:56:05.489 INFO 2375085 --- [http-nio-8802-exec-8] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@4d78ae8d, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@7608ad98, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@2b9a5924, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@580b86e6, containsSubquery=false)
2026-08-30 23:56:05.489 INFO 2375085 --- [http-nio-8802-exec-8] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:56:22.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8800
2026-08-30 23:56:22.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:56:22.043 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:56:22.044 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:56:22.044 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:56:22.044 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:56:22.044 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@35b8ad4a(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:56:22.044 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:56:22.044 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:56:25.455 INFO 2375085 --- [http-nio-8802-exec-7] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:56:25.455 INFO 2375085 --- [http-nio-8802-exec-7] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:56:25.455 INFO 2375085 --- [http-nio-8802-exec-7] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@334df922, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@5931f3c2, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@38828f4e, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@664747a2, containsSubquery=false)
2026-08-30 23:56:25.455 INFO 2375085 --- [http-nio-8802-exec-7] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:56:45.457 INFO 2375085 --- [http-nio-8802-exec-4] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:56:45.457 INFO 2375085 --- [http-nio-8802-exec-4] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:56:45.457 INFO 2375085 --- [http-nio-8802-exec-4] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@475d717b, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@7342b24a, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@54840e72, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@47ebde8f, containsSubquery=false)
2026-08-30 23:56:45.457 INFO 2375085 --- [http-nio-8802-exec-4] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:56:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8801
2026-08-30 23:56:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:56:52.043 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:56:52.044 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:56:52.044 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:56:52.044 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:56:52.044 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:56:52.044 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@69e19df9(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:56:52.044 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:57:05.475 INFO 2375085 --- [http-nio-8802-exec-18] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:57:05.475 INFO 2375085 --- [http-nio-8802-exec-18] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:57:05.475 INFO 2375085 --- [http-nio-8802-exec-18] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@70909290, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@28c2731b, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@45671d3c, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@726355cd, containsSubquery=false)
2026-08-30 23:57:05.475 INFO 2375085 --- [http-nio-8802-exec-18] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:57:22.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8802
2026-08-30 23:57:22.044 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:57:22.044 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:57:22.050 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@27ff4c8e(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:57:22.050 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:57:22.050 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:57:22.050 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:57:22.050 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:57:22.051 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:57:25.454 INFO 2375085 --- [http-nio-8802-exec-14] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:57:25.454 INFO 2375085 --- [http-nio-8802-exec-14] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:57:25.454 INFO 2375085 --- [http-nio-8802-exec-14] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@640ceef8, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@67524ea3, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@47362005, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@54bb9397, containsSubquery=false)
2026-08-30 23:57:25.454 INFO 2375085 --- [http-nio-8802-exec-14] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:57:45.461 INFO 2375085 --- [http-nio-8802-exec-10] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:57:45.461 INFO 2375085 --- [http-nio-8802-exec-10] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:57:45.461 INFO 2375085 --- [http-nio-8802-exec-10] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@4aae0414, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@4582660d, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@205a5c38, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@751afbb9, containsSubquery=false)
2026-08-30 23:57:45.461 INFO 2375085 --- [http-nio-8802-exec-10] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:57:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8803
2026-08-30 23:57:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:57:52.043 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:57:52.044 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@70ae1c6d(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:57:52.045 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:57:52.045 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:57:52.045 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:57:52.045 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:57:52.045 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:58:05.456 INFO 2375085 --- [http-nio-8802-exec-11] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:58:05.457 INFO 2375085 --- [http-nio-8802-exec-11] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:58:05.457 INFO 2375085 --- [http-nio-8802-exec-11] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@fe0e596, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@29c37465, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@3a5b36ed, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@611307ca, containsSubquery=false)
2026-08-30 23:58:05.457 INFO 2375085 --- [http-nio-8802-exec-11] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:58:22.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8804
2026-08-30 23:58:22.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:58:22.043 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:58:22.044 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:58:22.044 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:58:22.044 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:58:22.044 INFO 2375085 --- [NettyClientWorkerThread_1] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:58:22.044 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:58:22.044 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@5ec2deeb(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:58:25.456 INFO 2375085 --- [http-nio-8802-exec-2] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:58:25.456 INFO 2375085 --- [http-nio-8802-exec-2] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:58:25.456 INFO 2375085 --- [http-nio-8802-exec-2] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@1598ceb9, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@42be89cc, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@2f5cfaf7, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@44e941d1, containsSubquery=false)
2026-08-30 23:58:25.456 INFO 2375085 --- [http-nio-8802-exec-2] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:58:45.455 INFO 2375085 --- [http-nio-8802-exec-3] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:58:45.455 INFO 2375085 --- [http-nio-8802-exec-3] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:58:45.455 INFO 2375085 --- [http-nio-8802-exec-3] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@2bb10b60, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@2e803692, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@30cc10e4, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@15f1e7e3, containsSubquery=false)
2026-08-30 23:58:45.455 INFO 2375085 --- [http-nio-8802-exec-3] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:58:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8805
2026-08-30 23:58:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:58:52.043 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:58:52.044 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:58:52.044 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@753ee1be(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:58:52.044 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:58:52.045 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:58:52.045 INFO 2375085 --- [NettyClientWorkerThread_2] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:58:52.045 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:59:05.469 INFO 2375085 --- [http-nio-8802-exec-8] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:59:05.469 INFO 2375085 --- [http-nio-8802-exec-8] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:59:05.469 INFO 2375085 --- [http-nio-8802-exec-8] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@1a72627e, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@1ecafb60, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@34d2fd22, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@150915e4, containsSubquery=false)
2026-08-30 23:59:05.469 INFO 2375085 --- [http-nio-8802-exec-8] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:59:22.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8806
2026-08-30 23:59:22.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:59:22.043 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:59:22.044 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:59:22.044 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@61666445(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:59:22.044 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:59:22.044 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:59:22.044 INFO 2375085 --- [NettyClientWorkerThread_3] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:59:22.044 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:59:25.459 INFO 2375085 --- [http-nio-8802-exec-7] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:59:25.459 INFO 2375085 --- [http-nio-8802-exec-7] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:59:25.459 INFO 2375085 --- [http-nio-8802-exec-7] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@403267fe, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@1c94420d, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@5ffd4500, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@2a23d9, containsSubquery=false)
2026-08-30 23:59:25.459 INFO 2375085 --- [http-nio-8802-exec-7] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:59:45.465 INFO 2375085 --- [http-nio-8802-exec-18] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:59:45.465 INFO 2375085 --- [http-nio-8802-exec-18] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:59:45.465 INFO 2375085 --- [http-nio-8802-exec-18] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@4081c81e, tablesContext=TablesContext(tables=[], schema=Optional.absent())), projectionsContext=ProjectionsContext(startIndex=7, stopIndex=7, distinctRow=false, projections=[ExpressionProjection(expression=1, alias=Optional.absent())], columnLabels=[1]), groupByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.groupby.GroupByContext@282430fe, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@34c31bac, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@1cfaa871, containsSubquery=false)
2026-08-30 23:59:45.465 INFO 2375085 --- [http-nio-8802-exec-18] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:59:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 8807
2026-08-30 23:59:52.043 INFO 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:59:52.044 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:59:52.044 WARN 2375085 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@f7a5596(failure: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877)
io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /127.0.0.1:9877
Caused by: java.net.ConnectException: Connection refused
at java.base/sun.nio.ch.Net.pollConnect(Native Method)
at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:684)
at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:946)
at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at java.base/java.lang.Thread.run(Thread.java:840)
2026-08-30 23:59:52.044 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:59:52.044 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:59:52.044 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:59:52.044 INFO 2375085 --- [NettyClientWorkerThread_4] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:59:52.045 INFO 2375085 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true