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带有嵌入式 Jetty 和 Jersey(无 GAE)的 java.lang.IncompatibleClassChangeError

转载 作者:行者123 更新时间:2023-11-29 09:03:42 25 4
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我正在创建一个基于 Jersey + Spring + Hibernate 的 REST API。部署时一切正常。

我尝试使用 RestAssured 添加一些集成测试,我想从嵌入式 Jetty(强制规范)开始,但它总是会出现此错误(请参阅下面的详细堆栈跟踪):

20-04-2013 | 19:14:43 | WARN  | (Slf4jLog.java:76) | failed jersey-servlet: java.lang.IncompatibleClassChangeError: Implementing class
20-04-2013 | 19:14:43 | WARN | (Slf4jLog.java:76) | failed org.mortbay.jetty.webapp.WebAppContext@192ffd75{/test-core,src/main/webapp}: java.lang.IncompatibleClassChangeError: Implementing class
20-04-2013 | 19:14:43 | ERROR | (Slf4jLog.java:87) | Error starting handlers

正如错误所说,这可能与我的 SpringServlet 有关,但我似乎无法解决这个问题。

我的 Pom:

<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>com.testing.system</groupId>
<artifactId>testing-core</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>testing-core</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.8.2</version>
<scope>test</scope>
</dependency>

<!-- Jersey -->
<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-server</artifactId>
<version>1.17.1</version>
<exclusions>
<exclusion>
<groupId>asm</groupId>
<artifactId>asm</artifactId>
</exclusion>
</exclusions>
</dependency>

<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-json</artifactId>
<version>1.17.1</version>
</dependency>

<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-servlet</artifactId>
<version>1.17.1</version>
</dependency>

<!-- Jersey + Spring -->
<dependency>
<groupId>com.sun.jersey.contribs</groupId>
<artifactId>jersey-spring</artifactId>
<version>1.17.1</version>
<exclusions>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
</exclusion>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-asm</artifactId>
</exclusion>
</exclusions>
</dependency>

<!-- Spring stuff, TODO: cleanup -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>3.2.0.RELEASE</version>
</dependency>


<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>3.2.0.RELEASE</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>3.2.0.RELEASE</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>3.2.0.RELEASE</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>3.2.0.RELEASE</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>org.springframework.test</artifactId>
<version>3.2.0.RELEASE</version>
<scope>test</scope>
</dependency>


<!-- Spring security -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-core</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>3.1.3.RELEASE</version>
</dependency>

<dependency>
<groupId>org.springframework.security.oauth</groupId>
<artifactId>spring-security-oauth</artifactId>
<version>1.0.0.M4</version>
</dependency>

<!-- Persistance ORM -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.2.0.Final</version>
<!-- will come with Hibernate core -->

</dependency>

<!-- Database drivers, etc -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.9</version>
</dependency>

<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.0.60</version>
</dependency>

<dependency>
<groupId>com.jolbox</groupId>
<artifactId>bonecp</artifactId>
<version>0.7.1.RELEASE</version>
</dependency>

<!-- used for testing -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-core</artifactId>
<version>7.0.37</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-catalina</artifactId>
<version>7.0.37</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jasper</artifactId>
<version>7.0.37</version>
<scope>test</scope>
</dependency>

<dependency>
<groupId>org.mortbay.jetty</groupId>
<artifactId>jetty</artifactId>
<version>6.1.26</version>
</dependency>

<dependency>
<groupId>com.jayway.restassured</groupId>
<artifactId>rest-assured</artifactId>
<version>1.8.0</version>
<scope>test</scope>
</dependency>

<!-- spy driver used to provide a layer between the service/dao layer and the real jdbc driver -->
<dependency>
<groupId>p6spy</groupId>
<artifactId>p6spy</artifactId>
<version>1.3</version>
</dependency>

<!-- Logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.5.10</version>
</dependency>

<!-- Mocking -->
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-all</artifactId>
<version>1.9.5</version>
<scope>test</scope>
</dependency>

<!-- Other -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-io</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.1</version>
</dependency>

<dependency>
<groupId>asm</groupId>
<artifactId>asm</artifactId>
<version>3.3.1</version>
</dependency>

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.2.3</version>
<scope>compile</scope>
</dependency>

<!-- spring social -->
<dependency>
<groupId>org.springframework.social</groupId>
<artifactId>spring-social-core</artifactId>
<version>1.0.2.RELEASE</version>
</dependency>

<dependency>
<groupId>org.springframework.social</groupId>
<artifactId>spring-social-facebook</artifactId>
<version>1.0.2.RELEASE</version>
</dependency>

<!-- <dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-core-asl</artifactId>
<version>1.9.11</version>
</dependency>

<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.11</version>
</dependency> -->

</dependencies>
<build>
<finalName>testing-core</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<testResources>
<testResource>
<directory>src/test/resources</directory>
<filtering>true</filtering>
</testResource>
</testResources>

<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.0</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>

<profiles>
<profile>
<id>local</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<system.properties>system_local.properties</system.properties>
<database.properties>database_local.properties</database.properties>
</properties>
</profile>
<profile>
<id>dev</id>
<properties>
<system.properties>system_dev.properties</system.properties>
<database.properties>database_dev.properties</database.properties>
</properties>
</profile>
</profiles>

这是我的 web.xml:

<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>

<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>

<servlet>
<servlet-name>jersey-servlet</servlet-name>
<servlet-class>
com.sun.jersey.spi.spring.container.servlet.SpringServlet
</servlet-class>
<init-param>
<param-name>com.sun.jersey.config.property.packages</param-name>
<param-value>com.testing.core.resources;com.testing.core.exceptions</param-value>
</init-param>
<init-param>
<param-name>com.sun.jersey.spi.container.ResourceFilters</param-name>
<param-value>com.testing.core.filters.SecureFilterFactory</param-value>
</init-param>
<init-param>
<param-name>com.sun.jersey.api.json.POJOMappingFeature</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>

<!-- Security filter -->
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>

<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/rest/*</url-pattern>
</filter-mapping>

<!-- Mapping of the rest URL /rest/* -->
<servlet-mapping>
<servlet-name>jersey-servlet</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>

最后是将启动我的 jetty 服务器的类(在 JUnit 测试中扩展的 WithJetty 类)的方法:

@BeforeClass
public static void startJetty() throws Exception {
server = new Server(8070);

WebAppContext context = new WebAppContext();
context.setDescriptor("src/main/webapp/WEB-INF/web.xml");
context.setWar("src/main/webapp");
context.setParentLoaderPriority(true);
context.setContextPath("/testing-core");

server.setHandler(context);
server.setStopAtShutdown(true);
server.start();
}

实际的测试用例非常基础:

public class UserResourceTest extends WithJetty {
@Test
public void test() throws Exception {
Assert.assertEquals(200, given().log().all().get(RSConstants.PATH_UNSECURED + "/test").getStatusCode());
}
}

更完整的堆栈跟踪

java.lang.IncompatibleClassChangeError: Implementing class
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at com.sun.jersey.api.core.ScanningResourceConfig.init(ScanningResourceConfig.java:79)
at com.sun.jersey.api.core.PackagesResourceConfig.init(PackagesResourceConfig.java:104)
at com.sun.jersey.api.core.PackagesResourceConfig.<init>(PackagesResourceConfig.java:78)
at com.sun.jersey.api.core.PackagesResourceConfig.<init>(PackagesResourceConfig.java:89)
at com.sun.jersey.spi.container.servlet.WebComponent.createResourceConfig(WebComponent.java:696)
at com.sun.jersey.spi.container.servlet.WebComponent.createResourceConfig(WebComponent.java:674)
at com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:203)
at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:374)
at com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:557)
at javax.servlet.GenericServlet.init(GenericServlet.java:160)
at org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:440)
at org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:263)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:736)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518)
at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.jetty.Server.doStart(Server.java:224)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at testutils.WithJetty.startJetty(WithJetty.java:52)

我已经在互联网和 stackoverflow 上搜索了可能的解决方案,但我发现所有这些都与 GAE 有关(我没有使用它)

非常感谢您的帮助!

最佳答案

尝试将 rest-assured 从 1.7.2 升级到 1.8.0 或更新版本时,我遇到了同样的问题。所以我建议降级到 1.7.2 作为解决方法,直到提供更好的解决方案。

关于带有嵌入式 Jetty 和 Jersey(无 GAE)的 java.lang.IncompatibleClassChangeError,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/16122873/

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