为什么gradle找不到AspectJ包

Question

我在SpringBoot中训练AOP

对于使用AspectJ注释，我添加了runtimeOnly 'org.aspectj:aspectjweaver:1.9.7'

plugins {
id 'org.springframework.boot' version '2.5.4'
id 'io.spring.dependency-management' version '1.0.11.RELEASE'
id 'java'
}
group = 'br.com.wviana'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '11'
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
runtimeOnly 'org.aspectj:aspectjweaver:1.9.7'
}
test {
useJUnitPlatform()
}

我的Aspect类如下所示:

package br.com.wviana.demo;
import java.util.logging.Logger;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
@Aspect
@Component
public class DemoApplicationAspec {
private Logger logger = Logger.getLogger(getClass().getName());
@Pointcut("execution(* br.com.wviana.demo.GreetingController.greeting(..))")
private void forGreeting() { }
@Before("forGreeting()")
public void beforeGreeting(JoinPoint theJoinPoint) {
String methodName = theJoinPoint.getSignature().toShortString();
logger.info("====> in @Before: " + methodName);
}
}

我的编辑已经在自动完成中识别了注释。我使用neovim和jdts作为语言服务器。

但是当我尝试使用./gradlew bootRun运行项目时，我得到以下错误

> Task :compileJava FAILED
/Users/wesley.viana/Repos/springboot-demo/src/main/java/br/com/wviana/demo/DemoApplicationAspec.java:5: error: package org.aspectj.lang does not exist
import org.aspectj.lang.JoinPoint;
^
/Users/wesley.viana/Repos/springboot-demo/src/main/java/br/com/wviana/demo/DemoApplicationAspec.java:6: error: package org.aspectj.lang.annotation does not
exist
import org.aspectj.lang.annotation.Aspect;
^
/Users/wesley.viana/Repos/springboot-demo/src/main/java/br/com/wviana/demo/DemoApplicationAspec.java:7: error: package org.aspectj.lang.annotation does not
exist
import org.aspectj.lang.annotation.Before;
^
/Users/wesley.viana/Repos/springboot-demo/src/main/java/br/com/wviana/demo/DemoApplicationAspec.java:8: error: package org.aspectj.lang.annotation does not
exist
import org.aspectj.lang.annotation.Pointcut;
^
/Users/wesley.viana/Repos/springboot-demo/src/main/java/br/com/wviana/demo/DemoApplicationAspec.java:11: error: cannot find symbol
@Aspect
^
symbol: class Aspect
/Users/wesley.viana/Repos/springboot-demo/src/main/java/br/com/wviana/demo/DemoApplicationAspec.java:21: error: cannot find symbol
public void beforeGreeting(JoinPoint theJoinPoint) {
^
symbol:   class JoinPoint
location: class DemoApplicationAspec
/Users/wesley.viana/Repos/springboot-demo/src/main/java/br/com/wviana/demo/DemoApplicationAspec.java:17: error: cannot find symbol
@Pointcut("execution(* br.com.wviana.demo.GreetingController.greeting(..))")
^
symbol:   class Pointcut
location: class DemoApplicationAspec
/Users/wesley.viana/Repos/springboot-demo/src/main/java/br/com/wviana/demo/DemoApplicationAspec.java:20: error: cannot find symbol
@Before("forGreeting()")
^
symbol:   class Before
location: class DemoApplicationAspec
8 errors
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':compileJava'.
> Compilation failed; see the compiler error output for details.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 1s
1 actionable task: 1 executed

我错过了什么吗?

Answer 1

尝试将id "io.freefair.aspectj" version "5.3.3.3"添加到插件部分和外部插件部分

targetCompatibility = '11'
sourceSets.main.aspectj.srcDir "src/main/java"
sourceSets.main.java.srcDirs = files()

changeruntimeOnlyoncompile并添加

implementation "org.aspectj:aspectjrt:1.9.7"

你的文件看起来像这样

plugins {
id 'org.springframework.boot' version '2.5.4'
id 'io.spring.dependency-management' version '1.0.11.RELEASE'
id 'java'
id "io.freefair.aspectj" version "5.3.3.3"
}
group = 'br.com.wviana'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '11'
targetCompatibility = '11'
sourceSets.main.aspectj.srcDir "src/main/java"
sourceSets.main.java.srcDirs = files()
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
implementation "org.aspectj:aspectjrt:1.9.7"
implementation "org.aspectj:aspectjweaver:1.9.7"
}
test {
useJUnitPlatform()
}