[GitHub] [shardingsphere] cqiwencom edited a comment on issue #11746: Proxy can't route 'select ... for update' to the writeable node

Wed, 11 Aug 2021 21:35:35 -0700 


cqiwencom edited a comment on issue #11746:
URL: 
https://github.com/apache/shardingsphere/issues/11746#issuecomment-897342018


   > @cqiwencom Can you try the master branch? I used the master branch to test 
and the routing results were normal.
   > 
   > ```
   > [INFO ] 2021-08-11 11:53:59.301 [ShardingSphere-Command-1] 
ShardingSphere-SQL - Logic SQL: select * from actor for update
   > [INFO ] 2021-08-11 11:53:59.301 [ShardingSphere-Command-1] 
ShardingSphere-SQL - SQLStatement: MySQLSelectStatement(limit=Optional.empty, 
lock=Optional[org.apache.shardingsphere.sql.parser.sql.common.segment.dml.predicate.LockSegment@137e13b5],
 window=Optional.empty)
   > [INFO ] 2021-08-11 11:53:59.301 [ShardingSphere-Command-1] 
ShardingSphere-SQL - Actual SQL: write_ds ::: select * from actor for update
   > ```
   
   I don't see the above information in my log file. However, the following 
error messages are displayed in the logļ¼š
   
   [ERROR] 2021-08-12 12:31:20.828 [Connection-3-ThreadExecutor] 
o.a.s.p.f.c.CommandExecutorTask - Exception occur: 
   java.lang.ClassCastException: 
org.apache.shardingsphere.sql.parser.sql.common.segment.dml.expr.BinaryOperationExpression
 cannot be cast to 
org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement
        at 
org.apache.shardingsphere.infra.parser.sql.SQLStatementParserExecutor.parse(SQLStatementParserExecutor.java:47)
        at 
org.apache.shardingsphere.infra.parser.sql.SQLStatementParserEngine.parse(SQLStatementParserEngine.java:48)
        at 
org.apache.shardingsphere.infra.parser.ShardingSphereSQLParserEngine.parse0(ShardingSphereSQLParserEngine.java:67)
        at 
org.apache.shardingsphere.infra.parser.ShardingSphereSQLParserEngine.parse(ShardingSphereSQLParserEngine.java:56)
        at 
org.apache.shardingsphere.proxy.backend.text.TextProtocolBackendHandlerFactory.newInstance(TextProtocolBackendHandlerFactory.java:86)
        at 
org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.<init>(MySQLComQueryPacketExecutor.java:52)
        at 
org.apache.shardingsphere.proxy.frontend.mysql.command.MySQLCommandExecutorFactory.newInstance(MySQLCommandExecutorFactory.java:73)
        at 
org.apache.shardingsphere.proxy.frontend.mysql.command.MySQLCommandExecuteEngine.getCommandExecutor(MySQLCommandExecuteEngine.java:60)
        at 
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:96)
        at 
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:72)
        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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