[GitHub] [shardingsphere] YollinChan opened a new issue #12309: sometimes, while executing PreparedStatement,shardingshpere throw a null pointer exception

Thu, 09 Sep 2021 01:40:14 -0700 


YollinChan opened a new issue #12309:
URL: https://github.com/apache/shardingsphere/issues/12309


   sql like "SELECT id,order_no FROM table_a WHERE (order_no = ? AND is_del = 
?)"
   
   something,shardingshpere will throw a null pointer exception in 
MySQLComStmtExecutePacket.java. error meessage is:
   
   
   `message :   Exception occur: 
   java.lang.NullPointerException: null
        at 
org.apache.shardingsphere.db.protocol.mysql.packet.command.query.binary.execute.MySQLComStmtExecutePacket.getParameters(MySQLComStmtExecutePacket.java:106)
        at 
org.apache.shardingsphere.db.protocol.mysql.packet.command.query.binary.execute.MySQLComStmtExecutePacket.(MySQLComStmtExecutePacket.java:84)
        at 
org.apache.shardingsphere.db.protocol.mysql.packet.command.MySQLCommandPacketFactory.newInstance(MySQLCommandPacketFactory.java:63)
        at 
org.apache.shardingsphere.proxy.frontend.mysql.command.MySQLCommandExecuteEngine.getCommandPacket(MySQLCommandExecuteEngine.java:55)
        at 
org.apache.shardingsphere.proxy.frontend.mysql.command.MySQLCommandExecuteEngine.getCommandPacket(MySQLCommandExecuteEngine.java:46)
        at 
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:107)
        at 
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:79)
        at com.alibaba.ttl.TtlRunnable.run(TtlRunnable.java:55)
        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)`
   
   source code is in line 106
   
![image](https://user-images.githubusercontent.com/37432978/132652673-1341c7e0-c7e8-4f04-9527-cbf773d1f885.png)
   
   
   
   


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