#### What type of PR is this?
/kind cleanup
/area core
/milestone 2.22.x
#### What this PR does / why we need it:
This PR upgrades to Gradle [9.2.0](https://github.com/gradle/gradle/releases/tag/v9.2.0) and enable configuration cache by default.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.22.x
#### What this PR does / why we need it:
This PR upgrades to Spring Boot [3.5.7](https://github.com/spring-projects/spring-boot/releases/tag/v3.5.7) as usual.
#### Does this PR introduce a user-facing change?
```release-note
升级 Spring Boot 至 3.5.7
```
#### What type of PR is this?
/kind cleanup
/area core
/milestone 2.22.x
#### What this PR does / why we need it:
This PR upgrades thumbnailator to version 0.4.21 and remove unused imgscalr and metadata-extractor dependencies.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.21.x
#### What this PR does / why we need it:
This PR upgrades Gradle to version [9.1.0](https://docs.gradle.org/9.1.0/release-notes.html).
#### Does this PR introduce a user-facing change?
```release-note
升级 Gradle 至 9.1.0
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.21.x
#### What this PR does / why we need it:
This PR upgrades Spring Boot to [3.5.6](https://github.com/spring-projects/spring-boot/releases/tag/v3.5.6).
#### Does this PR introduce a user-facing change?
```release-note
升级 Spring Boot 至 3.5.6
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.21.x
#### What this PR does / why we need it:
This PR upgrads Lucene to version [10.3.0](https://github.com/apache/lucene/releases/tag/releases%2Flucene%2F10.3.0).
#### Does this PR introduce a user-facing change?
```release-note
升级 Lucene 至 10.3.0
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.21.x
#### What this PR does / why we need it:
This PR is a regular update for Spring Boot. See https://github.com/spring-projects/spring-boot/releases/tag/v3.5.5 for more.
#### Does this PR introduce a user-facing change?
```release-note
升级依赖 Spring Boot 至 3.5.5
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.21.x
#### What this PR does / why we need it:
This PR upgrades to Spring Boot [3.5.4](https://github.com/spring-projects/spring-boot/releases/tag/v3.5.4).
#### Does this PR introduce a user-facing change?
```release-note
升级依赖 Spring Boot 至 3.5.4
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.21.x
#### What this PR does / why we need it:
This PR bumps Spring Boot to [3.5.0](https://github.com/spring-projects/spring-boot/releases/tag/v3.5.0).
#### Does this PR introduce a user-facing change?
```release-note
升级依赖 Spring Boot 至 3.5.0
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.20.x
#### What this PR does / why we need it:
This PR upgrades Gradle to 8.13.
#### Does this PR introduce a user-facing change?
```release-note
升级构建工具 Gradle 至 8.13
```
#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
This PR upgrades to [Gradle 8.11](https://github.com/gradle/gradle/releases/tag/v8.11.1) because Spring Boot 3.4.0 is using that version.
#### Does this PR introduce a user-facing change?
```release-note
升级至 Gradle 8.11
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.20.x
#### What this PR does / why we need it:
This PR upgrades to Gradle 8.10.2 regularly. See https://github.com/gradle/gradle/releases/tag/v8.10.2 for more.
#### Does this PR introduce a user-facing change?
```release-note
升级至 Gradle 8.10.2
```
#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
This PR upgrades Gradle to 8.8. See https://github.com/gradle/gradle/releases/tag/v8.8.0 for more.
#### Does this PR introduce a user-facing change?
```release-note
升级 Gradle 至 8.8
```
#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
Upgrade Gradle to 8.6 by executing command `./gradlew wrapper --gradle-version=8.6` according to <https://github.com/gradle/gradle/releases/tag/v8.6.0>.
#### Does this PR introduce a user-facing change?
```release-note
升级 Gradle 至 8.6
```
#### What type of PR is this?
/kind cleanup
/area core
/milestone 2.11.x
#### What this PR does / why we need it:
Upgrade to Gradle 8.4 by executing command `./gradlew wrapper --gradle-version 8.4 --distribution-type all`.
See https://docs.gradle.org/8.4/release-notes.html for more.
#### Does this PR introduce a user-facing change?
```release-note
升级 Gradle 至 8.4
```
#### What type of PR is this?
/kind cleanup
/area core
#### What this PR does / why we need it:
Upgrade to Gradle 8.0.2 by using command `./gradlew wrapper --gradle-version 8.0.2 --distribution-type bin`.
Recently, we have a plan to restructure our project via Gradle 8, so I upgrade to Gradle 8.0.2 now.
#### Does this PR introduce a user-facing change?
```release-note
None
```
* Update gradle wrapper version
* Update spring boot version to 2.5.0-M2
* Fix wrong const of temp_dir
* Refactor error controller
* Fix startup error due to theme not found
* Refine error controller handler
* Refine multipart resolver config
* Fix ThemeRepositoryImplTest error
* Fix freemarker not found error
* chore: change jetty to undertow.
* Remove useless throws
Co-authored-by: Ryan Wang <i@ryanc.cc>
* Update gradle wrapper version to 6.6.1
* Upgrade h2 version to 1.4.197
* Make controller log more details
* Refactor FileHandler
* Fix image reader error
