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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/06/30 09:23:30 UTC
[GitHub] [shardingsphere] git-chenhao opened a new issue, #18734: [part2]-JDBCBackendConnection：proxy-db connection no rollback when application-proxy connection is closed
git-chenhao opened a new issue, #18734:
URL: https://github.com/apache/shardingsphere/issues/18734
## Bug Report
### Which version of ShardingSphere did you use?
master
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy
### Expected behavior
transaction rollback(proxy-db) when connection ( application-proxy) is closed
### Actual behavior
transaction commit(proxy-db) when connection ( application-proxy) is closed，This will result in inconsistent data
### Reason analyze (If you can)
When the above figure is executed to step 4-6, the disconnection of the upstream connection triggers the channelInactive method of Netty. At this time, JDBCBackendConnection will clear connectionPostProcessors
<img width="809" alt="image" src="https://user-images.githubusercontent.com/20919316/176641343-ad682ac5-c4a6-4ae8-864b-d92fd7501ad4.png">
So, step 2 the stored a will be deleted.
This causes the transaction to be automatically committed after step 10 is completed，Not as expected rollback！
### 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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[GitHub] [shardingsphere] TeslaCN commented on issue #18734: JDBCBackendConnection：proxy-db connection auto commit when application-proxy connection break
Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #18734:
URL: https://github.com/apache/shardingsphere/issues/18734#issuecomment-1170983228
> I can solve this problem. I will send PR later
Welcome! Assigned.
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[GitHub] [shardingsphere] git-chenhao commented on issue #18734: [part2]-JDBCBackendConnection：proxy-db connection no rollback when application-proxy connection is closed
Posted by GitBox <gi...@apache.org>.
git-chenhao commented on issue #18734:
URL: https://github.com/apache/shardingsphere/issues/18734#issuecomment-1170980951
I can solve this problem. I will send PR later
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[GitHub] [shardingsphere] TeslaCN closed issue #18734: JDBCBackendConnection：proxy-db connection auto commit when application-proxy connection break
Posted by GitBox <gi...@apache.org>.
TeslaCN closed issue #18734: JDBCBackendConnection：proxy-db connection auto commit when application-proxy connection break
URL: https://github.com/apache/shardingsphere/issues/18734
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