Tomcat 9 无法加载 spring 启动应用程序

Tomcat 9 can't load spring boot application

我正在将 spring 引导应用程序部署到现有的 Tomcat 9 实例。当 tomcat 尝试加载上下文时,出现以下错误:

org.apache.catalina.startup.HostConfig.deployWAR Error deploying web application archive 
    java.lang.IllegalStateException: Error starting child
            at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:720)
            at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
            at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:706)
            at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:978)
            at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1848)
            at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
            at java.util.concurrent.FutureTask.run(FutureTask.java:266)
            at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
            at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
            at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:773)
            at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:427)
            at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1620)
            at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:305)
            at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
            at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1151)
            at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1353)
            at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1357)
            at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1335)
            at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
            at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
            at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access1(ScheduledThreadPoolExecutor.java:180)
            at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
            at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
            at java.lang.Thread.run(Thread.java:748)
    Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/wservices]]
            at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
            at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)
            at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)
            ... 25 more
    Caused by: java.lang.NoClassDefFoundError: org/glassfish/jersey/internal/l10n/LocalizableMessageFactory$ResourceBundleSupplier
            at org.glassfish.jersey.server.spring.SpringWebApplicationInitializer.onStartup(SpringWebApplicationInitializer.java:46)
            at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:172)
            at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5128)
            at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
            ... 26 more
    Caused by: java.lang.ClassNotFoundException: org.glassfish.jersey.internal.l10n.LocalizableMessageFactory$ResourceBundleSupplier
            at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1365)
            at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188)

如果我 运行 应用程序本身,它 运行 使用嵌入式 tomcat 9 引擎就好了。

这是我在 pom 文件中使用的 spring 依赖项:

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.2.5.RELEASE</version>
    <relativePath /> <!-- lookup parent from repository -->
</parent>

        <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-jersey</artifactId>
        <exclusions>
            <exclusion>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-logging</artifactId>
            </exclusion>
        </exclusions>
    </dependency>

    
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        <exclusions>
            <exclusion>
                <artifactId>logback-classic</artifactId>
                <groupId>ch.qos.logback</groupId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.springframework.data</groupId>
        <artifactId>spring-data-oracle</artifactId>
        <version>1.0.0.RELEASE</version>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-tomcat</artifactId>
        <scope>provided</scope>
    </dependency>

如有任何帮助,我们将不胜感激。

您打包了一个 so-called über-jar,其中包含一个 jar 文件中的所有运行时依赖项。它还包含一些类加载调整,以从 jar 中加载这些依赖项。这在 Tomcat 中不起作用。您需要打包为 Web 应用程序存档。

你需要改变

<project>
    ...
    <packaging>war</packaging>

有关详细信息,请参阅 here

在 Spring 引导中,创建一个 WAR 用于部署,我们需要 3 个步骤:

1.Extends SpringBootServletInitializer

2.Marked 提供的嵌入式 servlet 容器。

3.Update打包到war

有关操作步骤,请参阅 this link

进一步挖掘后,问题是引入的 Jersey 版本不正确。该项目正在引入 Jersey 2.6,这是 Spring Boot 2.2.5 的错误版本。 Jersey 2.6(有 jersey-common 2.6,其中有问题的 class)不包括 org/glassfish/jersey/internal/l10n/LocalizableMessageFactory$ResourceBundleSupplierclass

修复 pom 文件后,Tomcat 正确加载了它。