## I'm submitting a...
<!-- Check one of the following options with "x" -->
- [ ] Bug report (BUG 报告)  <!-- Please search GitHub for a similar issue or PR before submitting -->
- [ ] Feature request (功能建议)
- [ ] Documentation issue or request (文档相关)

## Current behavior
<!-- Describe how the issue manifests. -->


## Expected behavior
<!-- Describe what the desired behavior would be. -->


## Minimal reproduction of the problem with instructions
<!--
For bug reports please provide the *STEPS TO REPRODUCE* 
对于BUG报告，请提供复现该BUG的途径，方便作者修改。如不是BUG报告，可删除该项。
-->


## Environment

JDK Version:
- [x] OracleJDK 8u40+
- [ ] OpenJDK 8+ with openjfx

Database:
- [x] MySQL/MariaDB
- [ ] Oracle
- [ ] SQL Server
- [ ] others <!-- replace with your database type -->
 
Others:
<!-- Anything else relevant?  Operating system version, IDE, ... -->