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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/07/01 10:20:41 UTC
[GitHub] [shardingsphere] wsm12138 commented on issue #18770: NPE：ERROR 2013 (HY000): Lost connection to MySQL server during query
wsm12138 commented on issue #18770:
URL: https://github.com/apache/shardingsphere/issues/18770#issuecomment-1172190459
@strongduanmu @RaigorJiang @azexcy
plz have a look
I use Incorrect configuration triggered the problem.
```
[ERROR] 2022-07-01 17:21:06.733 [ShardingSphere-Command-4] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.NullPointerException: null
at org.apache.shardingsphere.sharding.distsql.handler.query.ShardingTableRuleQueryResultSet.getKeyGeneratorType(ShardingTableRuleQueryResultSet.java:211)
at org.apache.shardingsphere.sharding.distsql.handler.query.ShardingTableRuleQueryResultSet.buildAutoTableRowData(ShardingTableRuleQueryResultSet.java:137)
at org.apache.shardingsphere.sharding.distsql.handler.query.ShardingTableRuleQueryResultSet.getRowData(ShardingTableRuleQueryResultSet.java:95)
at org.apache.shardingsphere.proxy.backend.text.distsql.rql.RQLBackendHandler.getRowData(RQLBackendHandler.java:61)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.getQueryRowPacket(MySQLComQueryPacketExecutor.java:131)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.getQueryRowPacket(MySQLComQueryPacketExecutor.java:59)
at org.apache.shardingsphere.proxy.frontend.mysql.command.MySQLCommandExecuteEngine.writeQueryData(MySQLCommandExecuteEngine.java:90)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:113)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:77)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
[ERROR] 2022-07-01 17:21:37.785 [ShardingSphere-Command-4] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.NullPointerException: null
at org.apache.shardingsphere.sharding.distsql.handler.query.ShardingTableRuleQueryResultSet.getKeyGeneratorType(ShardingTableRuleQueryResultSet.java:211)
at org.apache.shardingsphere.sharding.distsql.handler.query.ShardingTableRuleQueryResultSet.buildAutoTableRowData(ShardingTableRuleQueryResultSet.java:137)
at org.apache.shardingsphere.sharding.distsql.handler.query.ShardingTableRuleQueryResultSet.getRowData(ShardingTableRuleQueryResultSet.java:95)
at org.apache.shardingsphere.proxy.backend.text.distsql.rql.RQLBackendHandler.getRowData(RQLBackendHandler.java:61)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.getQueryRowPacket(MySQLComQueryPacketExecutor.java:131)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.getQueryRowPacket(MySQLComQueryPacketExecutor.java:59)
at org.apache.shardingsphere.proxy.frontend.mysql.command.MySQLCommandExecuteEngine.writeQueryData(MySQLCommandExecuteEngine.java:90)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:113)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:77)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
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