You are viewing a plain text version of this content. The canonical link for it is here.
Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/06/29 07:22:21 UTC
[GitHub] [shardingsphere] strongduanmu opened a new issue, #18690: NullPointerException occurs when execute use database with no resource
strongduanmu opened a new issue, #18690:
URL: https://github.com/apache/shardingsphere/issues/18690
## Bug Report
### Which version of ShardingSphere did you use?
https://github.com/apache/shardingsphere/commit/28ec505b6a610b64b0c3faeea19fd13d28a771c4
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy
### Expected behavior
Execute `use readwrite_splitting_db;` successfully.
### Actual behavior
```
[WARN ] 2022-06-29 15:18:26.916 [main-SendThread(localhost:2181)] org.apache.zookeeper.ClientCnxn - Session 0x100000041130001 for sever localhost/127.0.0.1:2181, Closing socket connection. Attempting reconnect except it is a SessionExpiredException.
org.apache.zookeeper.ClientCnxn$SessionTimeoutException: Client session timed out, have not heard from server in 26860ms for session id 0x100000041130001
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1230)
[ERROR] 2022-06-29 15:18:28.401 [ShardingSphere-Command-1] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.NullPointerException: null
at org.apache.shardingsphere.proxy.backend.response.header.query.impl.MySQLQueryHeaderBuilder.build(MySQLQueryHeaderBuilder.java:45)
at org.apache.shardingsphere.proxy.backend.response.header.query.QueryHeaderBuilderEngine.build(QueryHeaderBuilderEngine.java:51)
at org.apache.shardingsphere.proxy.backend.text.admin.DatabaseAdminQueryBackendHandler.createResponseHeader(DatabaseAdminQueryBackendHandler.java:68)
at org.apache.shardingsphere.proxy.backend.text.admin.DatabaseAdminQueryBackendHandler.execute(DatabaseAdminQueryBackendHandler.java:59)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:99)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:108)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:78)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
[INFO ] 2022-06-29 15:18:28.404 [_finished_check_Worker-1-EventThread] o.a.c.f.state.ConnectionStateManager - State change: SUSPENDED
[INFO ] 2022-06-29 15:18:28.404 [main-EventThread] o.a.c.f.state.ConnectionStateManager - State change: SUSPENDED
[ERROR] 2022-06-29 15:18:28.653 [ShardingSphere-Command-1] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.lang.NullPointerException: null
at org.apache.shardingsphere.proxy.backend.response.header.query.impl.MySQLQueryHeaderBuilder.build(MySQLQueryHeaderBuilder.java:45)
at org.apache.shardingsphere.proxy.backend.response.header.query.QueryHeaderBuilderEngine.build(QueryHeaderBuilderEngine.java:51)
at org.apache.shardingsphere.proxy.backend.text.admin.DatabaseAdminQueryBackendHandler.createResponseHeader(DatabaseAdminQueryBackendHandler.java:68)
at org.apache.shardingsphere.proxy.backend.text.admin.DatabaseAdminQueryBackendHandler.execute(DatabaseAdminQueryBackendHandler.java:59)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:99)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:108)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:78)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
[INFO ] 2022-06-29 15:18:28.658 [main-EventThread] o.a.c.f.state.ConnectionStateManager - State change: SUSPENDED
```
### Reason analyze (If you can)
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
Execute following sql:
```sql
CREATE DATABASE readwrite_splitting_db;
use readwrite_splitting_db;
```
### Example codes for reproduce this issue (such as a github link).
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: notifications-unsubscribe@shardingsphere.apache.org.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
[GitHub] [shardingsphere] zjcnb closed issue #18690: NullPointerException occurs when execute use database with no resource
Posted by GitBox <gi...@apache.org>.
zjcnb closed issue #18690: NullPointerException occurs when execute use database with no resource
URL: https://github.com/apache/shardingsphere/issues/18690
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: notifications-unsubscribe@shardingsphere.apache.org
For queries about this service, please contact Infrastructure at:
users@infra.apache.org