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带有签名信息错误的自上键启动错误
原标题：jetty startup errors with signer information errors

自从我设置了"提供"而不是"组合"范围 来设置一些常有的依附关系......我在启动码头时就犯了这个错误:

  • JEE5 application
  • should run on WebSphere 7 and Jetty 7
  • Spring 3

错误 :

java.lang.SecurityException: class "javax.servlet.ServletRequestListener" s signer information does not match signer information of other classes in the same package
    at java.lang.ClassLoader.checkCerts(ClassLoader.java:806)
    at java.lang.ClassLoader.preDefineClass(ClassLoader.java:487)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:625)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:386)
    at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
    at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244)
    at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230)
    at org.eclipse.jetty.server.handler.ContextHandler.setEventListeners(ContextHandler.java:554)
    at org.eclipse.jetty.webapp.WebAppContext.setEventListeners(WebAppContext.java:946)
    at org.eclipse.jetty.webapp.WebAppContext.addEventListener(WebAppContext.java:972)
    at org.eclipse.jetty.webapp.TagLibConfiguration.preConfigure(TagLibConfiguration.java:492)
    at org.eclipse.jetty.webapp.WebAppContext.preConfigure(WebAppContext.java:418)
    at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:454)
    at org.mortbay.jetty.plugin.JettyWebAppContext.doStart(JettyWebAppContext.java:256)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59)
    at org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:224)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:167)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59)
    at org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:224)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59)
    at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:90)
    at org.eclipse.jetty.server.Server.doStart(Server.java:260)
    at org.mortbay.jetty.plugin.JettyServer.doStart(JettyServer.java:65)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59)
    at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:511)
    at org.mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:364)
    at org.mortbay.jetty.plugin.JettyRunMojo.execute(JettyRunMojo.java:516)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)

maven部分是:

<?xml version="1.0" encoding="UTF-8"?>
<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>

    <packaging>war</packaging>
    <artifactId>myApp.war</artifactId>
    <!--name??-->

    <parent>
        <groupId>com.example</groupId>
        <artifactId>myApp</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>

    <properties>
        <java-version>1.5</java-version>
        <org.springframework-version>3.0.5.RELEASE</org.springframework-version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <org.aspectj-version>1.6.9</org.aspectj-version>
        <org.slf4j-version>1.6.1</org.slf4j-version>
        <cxf.version>2.5.2</cxf.version>
        <jetty.version>7.6.3.v20120416</jetty.version>
        <skipTests>true</skipTests>
        <log4j.version>1.2.15</log4j.version>
    </properties>

    <!-- … -->
             <plugin>
                 <groupId>org.mortbay.jetty</groupId>
                 <artifactId>jetty-maven-plugin</artifactId>
                 <version>${jetty.version}</version>

                 <dependencies>
                     <dependency>
                         <groupId>commons-dbcp</groupId>
                         <artifactId>commons-dbcp</artifactId>
                         <version>1.4</version>
                     </dependency>
                     <dependency>
                         <groupId>commons-logging</groupId>
                         <artifactId>commons-logging</artifactId>
                         <version>1.1</version>
                         <type>jar</type>
                     </dependency>
                 </dependencies>

                 <configuration>
                     <scanIntervalSeconds>5</scanIntervalSeconds>
                     <webAppConfig>
                         <contextPath>/</contextPath>
                     </webAppConfig>
                     <connectors>
                         <connector implementation="org.eclipse.jetty.server.bio.SocketConnector">
                             <port>8080</port>
                             <!-- this connector defaults to 1300 for some reason -->
                         </connector>
                     </connectors>
                     <!--
                     <useProvided>true</useProvided>
                     -->
                 </configuration>
             </plugin>

无法找到原因。 任何提示都欢迎 ;)

问题回答

似乎您正在将服务器 API 包含为已提供的依赖性, 并添加到 Jetty 类中。 这与 Jetty 自己捆绑的服务器 API 类冲突, 导致例外 。

将 servlet API 包含为提供依赖性是绝对正确的 - 问题在于插件配置中的 ; use provided> 参数, 该参数正在将 servlet API 添加到类路径中 。 最好排除此选项, 而且, 如果您有其它具有范围且范围尚未在 Jetty 中的依赖性, 那么问题在于插件依赖性中, 正如您对 < code> commons- dbcp 所做的那样 。

另见http://jira.codehaus.org/browse/JETTY-429 中的评论,其中讨论了类似的潜在混淆。

时间：2012-05-22 21:29:46

I ve had similar problem with javax.servlet because there were both 2.4 an 3.0.0 jar-versions in Eclipse Libraries/Maven Dependencies. To fix it in Eclipse open project s pom.xml, Dependency hierarchy tab, filter by "servlet", choose (right mouse button) unnecessary 2.4(or 2.5) and "Exclude Maven Artifact ..." Thanks to Valery Gorbunov for the hint :)

时间：2012-11-13 07:27:59

我删除了

             <dependency>
                 <groupId>commons-logging</groupId>
                 <artifactId>commons-logging</artifactId>
                 <version>1.1</version>
                 <type>jar</type>
             </dependency>

似乎还有另一个洛格实施与普通博客的冲突?!!! 还没有找到线索, 但现在...... 有时maven和java不是最好的朋友, 或者我太愚蠢了.

时间：2012-05-24 11:36:20


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