7a03cd5a553719bc3a7d310dbeffa67ad41d5a1b
The "Move Core Access API" refactoring (gh-17847) relocated MethodSecurityMetadataSourceAdvisor and MethodSecurityInterceptor from spring-security-core, a mandatory dependency of spring-security-config, into the new spring-security-access module, which spring-security-config only depends on optionally. GlobalMethodSecuritySelector (backing the deprecated @EnableGlobalMethodSecurity) and ReactiveMethodSecuritySelector (backing @EnableReactiveMethodSecurity(useAuthorizationManager = false)) still unconditionally import configuration that constructs those classes: MethodSecurityMetadataSourceAdvisorRegistrar in proxy mode, GlobalMethodSecurityConfiguration in both proxy and aspectj mode, and ReactiveMethodSecurityConfiguration for the legacy reactive path. Applications that use any of these deprecated configuration paths without explicitly adding spring-security-access now fail at startup with a confusing NoClassDefFoundError deep inside Spring's configuration-processing machinery, instead of an actionable message. @EnableMethodSecurity and @EnableReactiveMethodSecurity's default (AuthorizationManager-based) mode, the non-deprecated replacements, never reference these classes and are unaffected either way. Add a ClassUtils.isPresent check to both selectors so that, whenever a legacy configuration path that needs it is chosen (proxy mode, aspectj mode, or the legacy reactive interceptor), a missing spring-security-access dependency now fails fast with a clear IllegalStateException that names the missing dependency and points to the supported alternative, rather than a NoClassDefFoundError. This preserves gh-17847's footprint-reduction intent: the check only runs for the deprecated legacy annotations, so the majority of applications using @EnableMethodSecurity see no change in behavior or dependencies. @EnableGlobalMethodSecurity remains deprecated; this change adds no new investment in it beyond giving existing users of it a clear diagnostic instead of a confusing crash. Closes gh-19441 Signed-off-by: jyx-07 <s25069@gsm.hs.kr>
image::https://badges.gitter.im/Join%20Chat.svg[Gitter,link=https://gitter.im/spring-projects/spring-security?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge] image:https://github.com/spring-projects/spring-security/actions/workflows/continuous-integration-workflow.yml/badge.svg?branch=main["Build Status", link="https://github.com/spring-projects/spring-security/actions/workflows/continuous-integration-workflow.yml"] image:https://img.shields.io/badge/Revved%20up%20by-Develocity-06A0CE?logo=Gradle&labelColor=02303A["Revved up by Develocity", link="https://ge.spring.io/scans?search.rootProjectNames=spring-security"] = Spring Security Spring Security provides security services for the https://docs.spring.io[Spring IO Platform]. Spring Security 6.0 requires Spring 6.0 as a minimum and also requires Java 17. For a detailed list of features and access to the latest release, please visit https://spring.io/projects[Spring projects]. == Code of Conduct Please see our https://github.com/spring-projects/.github/blob/main/CODE_OF_CONDUCT.md[code of conduct] == Downloading Artifacts See https://docs.spring.io/spring-security/reference/getting-spring-security.html[Getting Spring Security] for how to obtain Spring Security. == Documentation Be sure to read the https://docs.spring.io/spring-security/reference/[Spring Security Reference]. Extensive JavaDoc for the Spring Security code is also available in the https://docs.spring.io/spring-security/site/docs/current/api/[Spring Security API Documentation]. You may also want to check out https://docs.spring.io/spring-security/reference/whats-new.html[what's new in the latest release]. == Quick Start See https://docs.spring.io/spring-security/reference/servlet/getting-started.html[Hello Spring Security] to get started with a "Hello, World" application. == Building from Source Spring Security uses a https://gradle.org[Gradle]-based build system. In the instructions below, https://vimeo.com/34436402[`./gradlew`] is invoked from the root of the source tree and serves as a cross-platform, self-contained bootstrap mechanism for the build. === Prerequisites https://docs.github.com/en/get-started/quickstart/set-up-git[Git] and the https://www.oracle.com/java/technologies/downloads/#java17[JDK17 build]. Be sure that your `JAVA_HOME` environment variable points to the `jdk-17` folder extracted from the JDK download. === Check out sources [indent=0] ---- git clone git@github.com:spring-projects/spring-security.git ---- === Install all `spring-*.jar` into your local Maven repository. [indent=0] ---- ./gradlew publishToMavenLocal ---- === Compile and test; build all JARs, distribution zips, and docs [indent=0] ---- ./gradlew build ---- The reference docs are not currently included in the distribution zip. You can build the reference docs for this branch by running the following command: ---- ./gradlew :spring-security-docs:antora ---- That command publishes the docs site to the `_docs/build/site_` directory. The https://github.com/spring-projects/spring-security/tree/docs-build[playbook branch] describes how to build the reference docs in detail. Discover more commands with `./gradlew tasks`. === IDE setup (IntelliJ) No special steps are needed to open Spring Security in IntelliJ. === IDE setup (Eclipse and VS Code) To work in Eclipse or VS Code, first generate Eclipse metadata so you can import the project into Eclipse or VS Code: [indent=0] ---- ./gradlew cleanEclipse eclipse ---- If you have not built the project yet, run `./gradlew publishToMavenLocal` first so dependencies are resolved. *VS Code:* Open the repository root as a folder. The repository includes `.vscode/settings.json` which disables automatic Gradle import so that the generated Eclipse metadata (`.classpath`, `.project`) is used. Do not use the Gradle for Java extension to import the project. *Eclipse:* File → Import → General → Existing Projects into Workspace, then select the repository root. The build uses a custom Eclipse plugin to work around Gradle dependency cycles that confuse IDE metadata generation. You may see Eclipse warnings about `xml-apis` from some test dependencies; those are excluded in the build and can be ignored. == Getting Support Check out the https://stackoverflow.com/questions/tagged/spring-security[Spring Security tags on Stack Overflow]. https://spring.io/support[Commercial support] is available too. == Contributing https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request[Pull requests] are welcome; see the https://github.com/spring-projects/spring-security/blob/main/CONTRIBUTING.adoc[contributor guidelines] for details. == License Spring Security is Open Source software released under the https://www.apache.org/licenses/LICENSE-2.0.html[Apache 2.0 license].
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