coolbeevip opened a new pull request #6008:
URL: https://github.com/apache/skywalking/pull/6008
### Fix <bug description or the bug issue number or bug issue link>
- [ ] Add a unit test to verify that the fix works.
- [x] Explain briefly about why the bug exists and how to fix it.
Just add ;DB_CLOSE_DELAY=-1 to the database URL for H2StorageConfig
See the [In-Memory
Databases](http://h2database.com/html/features.html#in_memory_databases)
section of the Features page. To quote:
> By default, closing the last connection to a database closes the
database. For an in-memory database, this means the content is lost. To keep
the database open, add ;DB_CLOSE_DELAY=-1 to the database URL. To keep the
content of an in-memory database as long as the virtual machine is alive, use
jdbc:h2:mem:test;DB_CLOSE_DELAY=-1.
- [x] If this pull request closes/resolves/fixes an existing issue, replace
the issue number. Closes #5541
- [x] Update the [`CHANGES`
log](https://github.com/apache/skywalking/blob/master/CHANGES.md).
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