在纯Java应用程序中生成NoSuchMethodError的HystrixCommandAspect
在纯Java应用程序中生成NoSuchMethodError的HystrixCommandAspect
提问于 2018-06-23 03:00:13
我正在尝试在我的Java应用程序中使用Hystrix，它是一个非的 spring java应用程序。
在POM中使用以下Maven依赖项来启用Hystrix命令：
<dependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-javanica</artifactId>
<version>1.5.8</version>
</dependency>
<dependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-core</artifactId>
<version>1.5.12</version>
</dependency>
<dependency>
<groupId>com.netflix.rxjava</groupId>
<artifactId>rxjava-core</artifactId>
<version>0.20.7</version>
</dependency>使用以下依赖项启用AspectJ：
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.8.7</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.7</version>
</dependency>在META-INF中创建了一个aop.xml，配置如下：
<aspectj>
<aspects>
<aspect name="com.netflix.hystrix.contrib.javanica.aop.aspectj.HystrixCommandAspect" />
</aspects>
<weaver options="-verbose">
<include within="*" />
</weaver>
</aspectj>在我的服务类中使用了Hystrix命令：
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Service;
@Component
@Service
public class TestHystrix
@HystrixCommand(commandKey = "testHystrix", threadPoolKey = "testHystrix", commandProperties = {
@HystrixProperty(name = "hystrix.command.testHystrix.execution.isolation.thread.timeoutInMilliseconds", value = "30") }, threadPoolProperties = {
@HystrixProperty(name = "hystrix.threadpool.testHystrix.maximumSize", value = "3") })
public void testHystrix() {添加了以下JVM参数：
-DWeavingMode=compile但在Junit测试和应用程序运行时，它都会导致以下错误：
java.lang.NoSuchMethodError: com.netflix.hystrix.contrib.javanica.aop.aspectj.HystrixCommandAspect.aspectOf()Lcom/netflix/hystrix/contrib/javanica/aop/aspectj/HystrixCommandAspect;请帮帮忙。
回答 1
Stack Overflow用户
回答已采纳
发布于 2018-06-27 01:53:26
我能够通过使用下面的AspectJ插件配置和上面的maven依赖来解决这个问题：
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>aspectj-maven-plugin</artifactId>
<version>1.7</version>
<configuration>
<complianceLevel>1.8</complianceLevel>
<source>1.8</source>
<target>1.8</target>
<!-- <showWeaveInfo>true</showWeaveInfo>
<verbose>true</verbose>-->
<Xlint>ignore</Xlint>
<encoding>UTF-8 </encoding>
<!-- Provide the Source information. -->
<!-- <aspectLibraries>
<aspectLibrary>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-javanica</artifactId>
</aspectLibrary>
</aspectLibraries> -->
<!--Weaving already compiled JAR artifacts -->
<weaveDependencies>
<weaveDependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-javanica</artifactId>
</weaveDependency>
</weaveDependencies>
</configuration>
<executions>
<execution>
<goals>
<!-- use this goal to weave all your main classes -->
<goal>compile</goal>
<!-- use this goal to weave all your test classes -->
<goal>test-compile</goal>
</goals>
</execution>
</executions>
</plugin>此插件将启用编译后编织，有关更多详细信息，请参阅一篇非常好的文章@ http://www.baeldung.com/aspectj https://www.mojohaus.org/aspectj-maven-plugin/examples/weaveJars.html与此插件，aop.xml和-DWeavingMode=compile也不是必需的
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原文链接：
https://stackoverflow.com/questions/50994164
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