我试图在wildfly8.2中以简单的hello world正常Servlet为例测试加载时间编织
我有以下Aspect代码
package com.test.aspects;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import com.test.helloworld.HelloService;
@Aspect
public abstract class FieldAspect {
@Pointcut
public abstract void getField();
@Pointcut
public abstract void setField();
@Around("getField()")
public HelloService getFieldValue() {
System.out.println("In FieldAspect.getFieldValue() - Applying around advice - getting the value (Andy) for field annotated variable");
return new HelloService();
}
@Around("setField()")
public void setFieldValue() {
System.out
.println("In FieldAspect.setFieldValue() - Applying around advice - throw RuntimeException if field annotated variable is set");
throw new RuntimeException();
}
}
以下运行时字段注释
package com.test.aspects;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
@Target({ ElementType.FIELD })
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface Field {
}
测试Servlet：
package com.test.helloworld;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.test.aspects.Field;
@SuppressWarnings("serial")
@WebServlet("/HelloWorld")
public class HelloWorldServlet extends HttpServlet {
static String PAGE_HEADER = "<html><head><title>helloworld</title></head><body>";
static String PAGE_FOOTER = "</body></html>";
@Field
public HelloService helloService;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
resp.setContentType("text/html");
PrintWriter writer = resp.getWriter();
writer.println(PAGE_HEADER);
writer.println("<h1>" + helloService.createHelloMessage("World") + "</h1>");
writer.println(PAGE_FOOTER);
writer.close();
}
}
服务类：
package com.test.helloworld;
public class HelloService {
String createHelloMessage(String name) {
return "Hello " + name + "!";
}
}
web-inf下的Aop.xml：
<?xml version="1.0" encoding="UTF-8"?>
<aspectj>
<aspects>
<!-- Field annotation example -->
<concrete-aspect name="com.test.aspects.MyFieldAspect"
extends="com.test.aspects.FieldAspect">
<pointcut name="getField" expression="get(@com.test.aspects.Field * *)" />
<pointcut name="setField" expression="set(@com.test.aspects.Field * *)" />
</concrete-aspect>
</aspects>
<weaver options="-verbose -showWeaveInfo" />
</aspectj>
和POM.xml：
<?xml version="1.0"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.wildfly.quickstarts</groupId>
<artifactId>wildfly-helloworld</artifactId>
<version>8.0.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>WildFly : Helloworld</name>
<description>WildFly : Helloworld</description>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<version.wildfly.maven.plugin>1.0.2.Final</version.wildfly.maven.plugin>
<version.jboss.spec.javaee.7.0>1.0.0.Final</version.jboss.spec.javaee.7.0>
<!-- other plugin versions -->
<version.compiler.plugin>3.1</version.compiler.plugin>
<version.war.plugin>2.1.1</version.war.plugin>
<!-- maven-compiler-plugin -->
<maven.compiler.target>1.7</maven.compiler.target>
<maven.compiler.source>1.7</maven.compiler.source>
</properties>
<dependencyManagement>
<dependencies>
<!-- Define the version of JBoss' Java EE 7 APIs we want to use -->
<!-- JBoss distributes a complete set of Java EE 7 APIs including
a Bill of Materials (BOM). A BOM specifies the versions of a "stack" (or
a collection) of artifacts. We use this here so that we always get the correct
versions of artifacts. Here we use the jboss-javaee-7.0 stack (you can
read this as the JBoss stack of the Java EE 7 APIs). You can actually
use this stack with any version of WildFly that implements Java EE 7, not
just WildFly 8! -->
<dependency>
<groupId>org.jboss.spec</groupId>
<artifactId>jboss-javaee-7.0</artifactId>
<version>1.0.2</version>
<type>pom</type>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.8.2</version>
</dependency>
<!-- Import the CDI API, we use provided scope as the API is included in JBoss WildFly -->
<dependency>
<groupId>javax.enterprise</groupId>
<artifactId>cdi-api</artifactId>
<version>1.2</version>
</dependency>
<!-- Import the Common Annotations API (JSR-250), we use provided scope
as the API is included in JBoss WildFly -->
<dependency>
<groupId>org.jboss.spec.javax.annotation</groupId>
<artifactId>jboss-annotations-api_1.2_spec</artifactId>
<version>1.0.0.Final</version>
</dependency>
<!-- Import the Servlet API, we use provided scope as the API is included in JBoss WildFly -->
<dependency>
<groupId>org.jboss.spec.javax.servlet</groupId>
<artifactId>jboss-servlet-api_3.1_spec</artifactId>
<version>1.0.0.Final</version>
</dependency>
</dependencies>
<build>
<!-- Set the name of the war, used as the context root when the app
is deployed -->
<finalName>wildfly-helloworld</finalName>
<pluginManagement>
<plugins>
<!--This plugin's configuration is used to store Eclipse m2e settings
only. It has no influence on the Maven build itself. -->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>
org.apache.maven.plugins
</groupId>
<artifactId>
maven-compiler-plugin
</artifactId>
<versionRange>
[2.5.1,)
</versionRange>
<goals>
<goal>compile</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore></ignore>
</action>
</pluginExecution>
<pluginExecution>
<pluginExecutionFilter>
<groupId>
org.codehaus.mojo
</groupId>
<artifactId>
aspectj-maven-plugin
</artifactId>
<versionRange>
[1.7,)
</versionRange>
<goals>
<goal>compile</goal>
<goal>test-compile</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore></ignore>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>aspectj-maven-plugin</artifactId>
<configuration>
<complianceLevel>1.6</complianceLevel>
<source>1.6</source>
<target>1.6</target>
</configuration>
<executions>
<execution>
<goals>
<goal>compile</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.6</version>
<configuration>
<!-- Java EE 7 doesn't require web.xml, Maven needs to catch up! -->
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
<!-- WildFly plugin to deploy war -->
<plugin>
<groupId>org.wildfly.plugins</groupId>
<artifactId>wildfly-maven-plugin</artifactId>
<version>1.0.2.Final</version>
<configuration>
<version>1.0.2.Final</version>
<jvmArgs>${the-whole-jvm-args}</jvmArgs>
</configuration>
</plugin>
<!-- Compiler plugin enforces Java 1.6 compatibility and activates
annotation processors -->
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
在链接下方使用以配置加载时间编织：http://wiki.eclipse.org/LTWJboss7
因此，如果我开始使用wildfly，它会在下面显示错误堆栈跟踪。
[AppClassLoader@1912a56] info AspectJ Weaver Version 1.8.5 built on Thursday Jan 29, 2015 at 01:03:58 GMT
[AppClassLoader@1912a56] info register classloader sun.misc.Launcher$AppClassLoader@1912a56
[AppClassLoader@1912a56] info using configuration file:/helloworld/target/wildfly-helloworld.war!/WEB-INF/aop.xml
[AppClassLoader@1912a56] info define aspect com.test.aspects.MyFieldAspect
[AppClassLoader@1912a56] error Cannot find parent aspect for: <concrete-aspect name='com.test.aspects.MyFieldAspect' extends='com.test.aspects.FieldAspect' perclause='null'/> in aop.xml
[AppClassLoader@1912a56] error Concrete-aspect 'com.test.aspects.MyFieldAspect' could not be registered
[AppClassLoader@1912a56] warning failure(s) registering aspects. Disabling weaver for class loader sun.misc.Launcher$AppClassLoader@1912a56
我在这里做错了什么。有人可以帮助我运行我的测试程序。我正在学习AspectJ和LTW与野生蝇和新的这一切。 谢谢，
答案 0 :(得分：0)
classpath错了。 将aspectjWeaver jar放在WEB-INF / lib文件夹中。 还将aop模块打包为war模块中的create Aspects，在jar中创建不同模块和包中的方面。