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va.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 23:54:51.936 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:54:51.936 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:54:51.936 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:54:51.936 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:54:51.936 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:55:05.522 INFO 2501436 --- [http-nio-8804-exec-45] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:55:05.522 INFO 2501436 --- [http-nio-8804-exec-45] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:55:05.522 INFO 2501436 --- [http-nio-8804-exec-45] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@31c6c6, 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@4bda3f8d, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@5b50a2da, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@35567c90, containsSubquery=false)
2026-08-30 23:55:05.522 INFO 2501436 --- [http-nio-8804-exec-45] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:55:21.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4592
2026-08-30 23:55:21.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:55:21.934 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:55:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:55:21.936 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@7628e905(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 23:55:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:55:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:55:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:55:21.936 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:55:25.518 INFO 2501436 --- [http-nio-8804-exec-46] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:55:25.518 INFO 2501436 --- [http-nio-8804-exec-46] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:55:25.518 INFO 2501436 --- [http-nio-8804-exec-46] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@1939fc69, 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@7e741ee7, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@9b235eb, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@66e22dd7, containsSubquery=false)
2026-08-30 23:55:25.518 INFO 2501436 --- [http-nio-8804-exec-46] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:55:45.493 INFO 2501436 --- [http-nio-8804-exec-48] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:55:45.493 INFO 2501436 --- [http-nio-8804-exec-48] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:55:45.493 INFO 2501436 --- [http-nio-8804-exec-48] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@6860c146, 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@346d8311, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@b934c42, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@50563531, containsSubquery=false)
2026-08-30 23:55:45.493 INFO 2501436 --- [http-nio-8804-exec-48] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:55:51.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4593
2026-08-30 23:55:51.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:55:51.935 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:55:51.936 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:55:51.936 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@91e4fe9(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 23:55:51.936 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:55:51.936 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:55:51.936 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:55:51.936 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:56:05.517 INFO 2501436 --- [http-nio-8804-exec-50] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:56:05.517 INFO 2501436 --- [http-nio-8804-exec-50] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:56:05.517 INFO 2501436 --- [http-nio-8804-exec-50] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@67d426b5, 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@36c9c61d, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@3f7b412c, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@403780fe, containsSubquery=false)
2026-08-30 23:56:05.517 INFO 2501436 --- [http-nio-8804-exec-50] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:56:21.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4594
2026-08-30 23:56:21.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:56:21.935 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:56:21.935 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:56:21.935 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:56:21.935 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:56:21.935 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:56:21.935 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:56:21.935 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@3734ec0f(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 23:56:25.465 INFO 2501436 --- [http-nio-8804-exec-49] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:56:25.465 INFO 2501436 --- [http-nio-8804-exec-49] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:56:25.466 INFO 2501436 --- [http-nio-8804-exec-49] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@3f4053e1, 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@1b866567, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@53dd49a1, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@7b965f67, containsSubquery=false)
2026-08-30 23:56:25.466 INFO 2501436 --- [http-nio-8804-exec-49] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:56:45.468 INFO 2501436 --- [http-nio-8804-exec-1] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:56:45.468 INFO 2501436 --- [http-nio-8804-exec-1] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:56:45.468 INFO 2501436 --- [http-nio-8804-exec-1] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@7eb38c02, 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@236c7560, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@178060b8, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@1eb98fb7, containsSubquery=false)
2026-08-30 23:56:45.468 INFO 2501436 --- [http-nio-8804-exec-1] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:56:51.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4595
2026-08-30 23:56:51.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:56:51.934 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:56:51.935 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:56:51.935 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:56:51.935 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:56:51.935 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:56:51.935 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@3a65b48f(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 23:56:51.935 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:57:05.491 INFO 2501436 --- [http-nio-8804-exec-2] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:57:05.491 INFO 2501436 --- [http-nio-8804-exec-2] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:57:05.491 INFO 2501436 --- [http-nio-8804-exec-2] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@68b34e23, 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@569b358e, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@26422970, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@13bb1d84, containsSubquery=false)
2026-08-30 23:57:05.491 INFO 2501436 --- [http-nio-8804-exec-2] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:57:21.935 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4596
2026-08-30 23:57:21.935 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:57:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:57:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:57:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:57:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:57:21.937 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:57:21.936 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@6c1f1d53(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 23:57:21.937 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:57:25.465 INFO 2501436 --- [http-nio-8804-exec-4] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:57:25.465 INFO 2501436 --- [http-nio-8804-exec-4] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:57:25.465 INFO 2501436 --- [http-nio-8804-exec-4] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@3f29621e, 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@3abb20f1, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@5d50bfd4, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@1c01b31c, containsSubquery=false)
2026-08-30 23:57:25.465 INFO 2501436 --- [http-nio-8804-exec-4] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:57:45.481 INFO 2501436 --- [http-nio-8804-exec-3] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:57:45.481 INFO 2501436 --- [http-nio-8804-exec-3] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:57:45.481 INFO 2501436 --- [http-nio-8804-exec-3] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@51069dd0, 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@599ee30d, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@1c7c3cee, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@6ee6f37c, containsSubquery=false)
2026-08-30 23:57:45.481 INFO 2501436 --- [http-nio-8804-exec-3] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:57:51.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4597
2026-08-30 23:57:51.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:57:51.935 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:57:51.936 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:57:51.936 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@744f5780(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 23:57:51.936 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:57:51.936 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:57:51.936 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:57:51.937 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:58:05.466 INFO 2501436 --- [http-nio-8804-exec-6] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:58:05.466 INFO 2501436 --- [http-nio-8804-exec-6] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:58:05.466 INFO 2501436 --- [http-nio-8804-exec-6] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@4f740ed7, 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@3cb821ec, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@60da49b, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@397bd23b, containsSubquery=false)
2026-08-30 23:58:05.467 INFO 2501436 --- [http-nio-8804-exec-6] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:58:21.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4598
2026-08-30 23:58:21.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:58:21.934 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:58:21.935 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:58:21.935 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:58:21.935 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:58:21.935 INFO 2501436 --- [NettyClientWorkerThread_1] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:58:21.935 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:58:21.935 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@15fd1e28(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 23:58:25.467 INFO 2501436 --- [http-nio-8804-exec-7] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:58:25.467 INFO 2501436 --- [http-nio-8804-exec-7] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:58:25.467 INFO 2501436 --- [http-nio-8804-exec-7] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@6f598363, 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@68e58d1d, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@15fd18c8, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@6ebb25f9, containsSubquery=false)
2026-08-30 23:58:25.468 INFO 2501436 --- [http-nio-8804-exec-7] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:58:45.474 INFO 2501436 --- [http-nio-8804-exec-9] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:58:45.475 INFO 2501436 --- [http-nio-8804-exec-9] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:58:45.475 INFO 2501436 --- [http-nio-8804-exec-9] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@6b57131a, 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@2016484a, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@78c59d6d, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@22305567, containsSubquery=false)
2026-08-30 23:58:45.475 INFO 2501436 --- [http-nio-8804-exec-9] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:58:51.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4599
2026-08-30 23:58:51.935 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:58:51.935 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:58:51.936 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:58:51.936 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:58:51.936 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:58:51.936 INFO 2501436 --- [NettyClientWorkerThread_2] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:58:51.936 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@1d70f859(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 23:58:51.936 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:59:05.477 INFO 2501436 --- [http-nio-8804-exec-10] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:59:05.477 INFO 2501436 --- [http-nio-8804-exec-10] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:59:05.477 INFO 2501436 --- [http-nio-8804-exec-10] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@1d667b65, 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@1f99bfeb, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@a7ec722, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@2001bf4d, containsSubquery=false)
2026-08-30 23:59:05.477 INFO 2501436 --- [http-nio-8804-exec-10] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:59:21.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4600
2026-08-30 23:59:21.935 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:59:21.935 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:59:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:59:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:59:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:59:21.936 INFO 2501436 --- [NettyClientWorkerThread_3] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:59:21.937 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:59:21.936 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@7cff8ae6(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 23:59:25.468 INFO 2501436 --- [http-nio-8804-exec-8] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:59:25.469 INFO 2501436 --- [http-nio-8804-exec-8] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:59:25.469 INFO 2501436 --- [http-nio-8804-exec-8] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@106956a4, 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@157a2823, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@1595adee, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@e37cc04, containsSubquery=false)
2026-08-30 23:59:25.469 INFO 2501436 --- [http-nio-8804-exec-8] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:59:45.475 INFO 2501436 --- [http-nio-8804-exec-12] ShardingSphere-SQL : Rule Type: sharding
2026-08-30 23:59:45.475 INFO 2501436 --- [http-nio-8804-exec-12] ShardingSphere-SQL : Logic SQL: select 1
2026-08-30 23:59:45.475 INFO 2501436 --- [http-nio-8804-exec-12] ShardingSphere-SQL : SQLStatement: SelectSQLStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@1fbd3578, 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@321a965, orderByContext=org.apache.shardingsphere.sql.parser.relation.segment.select.orderby.OrderByContext@1aac7ff1, paginationContext=org.apache.shardingsphere.sql.parser.relation.segment.select.pagination.PaginationContext@417b564b, containsSubquery=false)
2026-08-30 23:59:45.475 INFO 2501436 --- [http-nio-8804-exec-12] ShardingSphere-SQL : Actual SQL: default-datasource ::: select 1
2026-08-30 23:59:51.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : new name server is chosen. OLD: 127.0.0.1:9877 , NEW: 127.0.0.1:9877. namesrvIndex = 4601
2026-08-30 23:59:51.934 INFO 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: begin to connect remote host[127.0.0.1:9877] asynchronously
2026-08-30 23:59:51.934 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CONNECT UNKNOWN => 127.0.0.1:9877
2026-08-30 23:59:51.935 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:59:51.935 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : closeChannel: the channel[127.0.0.1:9877] was removed from channel table
2026-08-30 23:59:51.935 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : NETTY CLIENT PIPELINE: CLOSE 127.0.0.1:9877
2026-08-30 23:59:51.935 INFO 2501436 --- [NettyClientWorkerThread_4] RocketmqRemoting : eventCloseChannel: the channel[null] has been removed from the channel table before
2026-08-30 23:59:51.935 INFO 2501436 --- [NettyClientSelector_1] RocketmqRemoting : closeChannel: close the connection to remote address[127.0.0.1:9877] result: true
2026-08-30 23:59:51.935 WARN 2501436 --- [MQClientFactoryScheduledThread] RocketmqRemoting : createChannel: connect remote host[127.0.0.1:9877] failed, AbstractBootstrap$PendingRegistrationPromise@1bc1576a(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)