TeslaCN opened a new issue #11390:
URL: https://github.com/apache/shardingsphere/issues/11390
## Bug Report
### Which version of ShardingSphere did you use?
master
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
Proxy
### Expected behavior
### Actual behavior
```
sysbench 1.1.0-ead2689 (using bundled LuaJIT 2.1.0-beta3)
Creating table 'sbtest1'...
Inserting 100000 records into 'sbtest1'
Creating a secondary index on 'sbtest1'...
Creating table 'sbtest2'...
FATAL: `sysbench.cmdline.call_command' function failed: (not a string)
```
```
[ERROR] 2021-07-19 16:20:51.906 [ShardingSphere-Command-4]
o.a.s.p.f.c.CommandExecutorTask - Exception occur:
org.apache.shardingsphere.proxy.frontend.exception.UnsupportedPreparedStatementException:
null
at
org.apache.shardingsphere.proxy.frontend.mysql.command.query.binary.prepare.MySQLComStmtPrepareExecutor.execute(MySQLComStmtPrepareExecutor.java:65)
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)
[INFO ] 2021-07-19 16:21:32.954 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ:
[id: 0x89603f9c, L:/127.0.0.1:13306 - R:/127.0.0.1:54712]
[INFO ] 2021-07-19 16:21:32.954 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ
COMPLETE
[INFO ] 2021-07-19 16:22:13.980 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ:
[id: 0x5a3c7432, L:/127.0.0.1:13306 - R:/127.0.0.1:54717]
[INFO ] 2021-07-19 16:22:13.980 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ
COMPLETE
[INFO ] 2021-07-19 16:22:55.006 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ:
[id: 0xb1d5113a, L:/127.0.0.1:13306 - R:/127.0.0.1:54733]
[INFO ] 2021-07-19 16:22:55.006 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ
COMPLETE
[INFO ] 2021-07-19 16:29:17.071 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ:
[id: 0x8c1c28e7, L:/127.0.0.1:13306 - R:/127.0.0.1:54836]
[INFO ] 2021-07-19 16:29:17.072 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ
COMPLETE
[INFO ] 2021-07-19 16:29:17.410 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ:
[id: 0x2e49c585, L:/127.0.0.1:13306 - R:/127.0.0.1:54837]
[INFO ] 2021-07-19 16:29:17.410 [nioEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x09b5fa67, L:/0.0.0.0:13306] READ
COMPLETE
[ERROR] 2021-07-19 16:29:17.447 [ShardingSphere-Command-13]
o.a.s.p.f.c.CommandExecutorTask - Exception occur:
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'sbtest1'
already exists
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
at com.mysql.jdbc.Util.getInstance(Util.java:408)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:944)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3978)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3914)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2530)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2491)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2449)
at com.mysql.jdbc.StatementImpl.executeInternal(StatementImpl.java:845)
at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:939)
at
com.zaxxer.hikari.pool.ProxyStatement.execute(ProxyStatement.java:103)
at
com.zaxxer.hikari.pool.HikariProxyStatement.execute(HikariProxyStatement.java)
at
org.apache.shardingsphere.proxy.backend.communication.jdbc.executor.callback.impl.ProxyStatementExecutorCallback.execute(ProxyStatementExecutorCallback.java:40)
at
org.apache.shardingsphere.proxy.backend.communication.jdbc.executor.callback.ProxyJDBCExecutorCallback.executeSQL(ProxyJDBCExecutorCallback.java:73)
at
org.apache.shardingsphere.proxy.backend.communication.jdbc.executor.callback.ProxyJDBCExecutorCallback.executeSQL(ProxyJDBCExecutorCallback.java:66)
at
org.apache.shardingsphere.proxy.backend.communication.jdbc.executor.callback.ProxyJDBCExecutorCallback.executeSQL(ProxyJDBCExecutorCallback.java:44)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:85)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:64)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.syncExecute(ExecutorEngine.java:101)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.parallelExecute(ExecutorEngine.java:97)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.execute(ExecutorEngine.java:82)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutor.execute(JDBCExecutor.java:65)
at
org.apache.shardingsphere.proxy.backend.communication.jdbc.executor.ProxyJDBCExecutor.execute(ProxyJDBCExecutor.java:71)
at
org.apache.shardingsphere.proxy.backend.communication.ProxySQLExecutor.useDriverToExecute(ProxySQLExecutor.java:177)
at
org.apache.shardingsphere.proxy.backend.communication.ProxySQLExecutor.execute(ProxySQLExecutor.java:130)
at
org.apache.shardingsphere.proxy.backend.communication.ProxySQLExecutor.execute(ProxySQLExecutor.java:119)
at
org.apache.shardingsphere.proxy.backend.communication.ProxyLockEngine.doExecute(ProxyLockEngine.java:103)
at
org.apache.shardingsphere.proxy.backend.communication.ProxyLockEngine.execute(ProxyLockEngine.java:81)
at
org.apache.shardingsphere.proxy.backend.communication.DatabaseCommunicationEngine.execute(DatabaseCommunicationEngine.java:125)
at
org.apache.shardingsphere.proxy.backend.text.data.impl.SchemaAssignedDatabaseBackendHandler.execute(SchemaAssignedDatabaseBackendHandler.java:55)
at
org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:57)
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)
```
### Reason analyze (If you can)
Schema name in ThreadLocal was not removed. Because the
`MySQLComQueryPacketExecutor` was construct outside of the `try` block. If
exception occurred when constructing the executor the finally block will not be
reached.
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
### Example codes for reproduce this issue (such as a github link).
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