Spring Boot 未在 Eclipse 中与 Tomcat 一起运行

【问题标题】：Spring boot not running with Tomcat in EclipseSpring Boot 未在 Eclipse 中与 Tomcat 一起运行
【发布时间】：2018-12-01 07:16:57
【问题描述】：

我正在尝试使用 Tomcat 使用 Eclipse 调试 Spring Boot 项目，但是当我尝试运行它时总是收到同样的错误：

Jun 21, 2018 5:22:32 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.j2ee.server:report-engine' did not find a matching property.
[...]
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /Users/vitor/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
Jun 21, 2018 5:22:33 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-nio-8181"]
Jun 21, 2018 5:22:33 PM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
INFO: Using a shared selector for servlet write/read
Jun 21, 2018 5:22:33 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-nio-8009"]
Jun 21, 2018 5:22:33 PM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
INFO: Using a shared selector for servlet write/read
Jun 21, 2018 5:22:33 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 2006 ms
Jun 21, 2018 5:22:33 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Jun 21, 2018 5:22:33 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/8.0.50
Jun 21, 2018 5:22:40 PM org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory getObjectInstance
[...]
Jun 21, 2018 5:22:40 PM org.apache.jasper.servlet.TldScanner scanJars
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Jun 21, 2018 5:22:56 PM org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory getObjectInstance
[...]
Jun 21, 2018 5:22:57 PM org.apache.jasper.servlet.TldScanner scanJars
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Jun 21, 2018 5:22:57 PM org.apache.catalina.core.ContainerBase startInternal
SEVERE: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/report-engine]]
    at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    at java.util.concurrent.FutureTask.get(FutureTask.java:192)
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943)
    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/report-engine]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
    ... 6 more
Caused by: java.lang.ClassFormatError: Absent Code attribute in method that is not native or abstract in class file javax/faces/FacesException
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2475)
    at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:855)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1304)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1163)
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2475)
    at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:855)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1304)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1163)
    at java.lang.Class.getDeclaredConstructors0(Native Method)
    at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)
    at java.lang.Class.getConstructor0(Class.java:3075)
    at java.lang.Class.getDeclaredConstructor(Class.java:2178)
    at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:151)
    at org.apache.catalina.core.ApplicationContext.addListener(ApplicationContext.java:1315)
    at org.apache.catalina.core.ApplicationContextFacade.addListener(ApplicationContextFacade.java:647)
    at org.apache.jasper.servlet.JasperInitializer.onStartup(JasperInitializer.java:108)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5311)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    ... 6 more

Jun 21, 2018 5:22:57 PM org.apache.catalina.core.ContainerBase startInternal
SEVERE: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
    at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    at java.util.concurrent.FutureTask.get(FutureTask.java:192)
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943)
    at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    at org.apache.catalina.core.StandardService.startInternal(StandardService.java:441)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:789)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:641)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:951)
    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    ... 6 more

Jun 21, 2018 5:22:57 PM org.apache.catalina.startup.Catalina start
SEVERE: The required Server component failed to start so Tomcat is unable to start.
org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:641)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
    at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:789)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    ... 7 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]]
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
    at org.apache.catalina.core.StandardService.startInternal(StandardService.java:441)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    ... 9 more
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:951)
    at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
    ... 11 more

Jun 21, 2018 5:22:57 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["http-nio-8181"]
Jun 21, 2018 5:22:57 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["ajp-nio-8009"]
Jun 21, 2018 5:22:57 PM org.apache.catalina.core.StandardService stopInternal
INFO: Stopping service Catalina
Jun 21, 2018 5:22:57 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["http-nio-8181"]
Jun 21, 2018 5:22:57 PM org.apache.coyote.AbstractProtocol destroy
SEVERE: Failed to destroy end point associated with ProtocolHandler ["http-nio-8181"]
java.lang.NullPointerException
    at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:315)
    at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:491)
    at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:896)
    at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:551)
    at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023)
    at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
    at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:589)
    at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
    at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:879)
    at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:645)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)

Jun 21, 2018 5:22:57 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["ajp-nio-8009"]
Jun 21, 2018 5:22:57 PM org.apache.coyote.AbstractProtocol destroy
SEVERE: Failed to destroy end point associated with ProtocolHandler ["ajp-nio-8009"]
java.lang.NullPointerException
    at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:315)
    at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:491)
    at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:896)
    at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:551)
    at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023)
    at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
    at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:589)
    at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
    at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:879)
    at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:645)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)

该项目使用 Gradle，它是一个 REST 服务。我尝试了很多我在网上找到的方法，但直到现在都没有奏效。

另外，如果我使用gradle bootRun 从终端启动它，同样的项目也可以工作，但是我需要从 Eclipse 启动它来调试它。

  • 操作系统： macOS High Sierra 10.13.2 Beta (17C85a)
  • Eclipse 版本： Oxygen.2 Release (4.7.2)
  • Tomcat： 8.0

【问题讨论】：

  • 您是否安装并运行了 gradle 工具（Buildship）？ Gradle 任务视图是否不允许您调用 bootRun？
  • @nitind 是的，我确实已经安装并工作了。不，Gradle Tasks 确实让我调用 bootRun，它就像在终端中一样工作。

标签： java eclipse spring-boot gradle tomcat8


【解决方案1】：

如果你愿意。 如果您的项目是 Maven 项目。

从 maven 项目开始，然后在命令行中运行项目根目录中的“mvn eclipse:eclipse”。 从那里将项目导入为现有的 Maven 项目。

你可以确保将tomcat添加到你的pom中，像这样

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>

然后我们将使用 mvn 而不是 gradle 构建 mvn clean package -DSkipTests=true

然后确保包含一个应用程序类来启动所有内容： 像这样：

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class ThinkdeepIntegrationApplication {

public static void main(String[] args) {
    SpringApplication.run(ThinkdeepIntegrationApplication.class, args);
}
}

希望这可能会有所帮助。不幸的是，我过去没有使用 gradle 做任何事情，这就是我推荐这种方式的原因

【讨论】：

  • 当我使用 gradle 时，我已经完成了我认为已经完成的工作，但它不起作用（这只是将第一步替换为：运行 @987654323 @ 并将这一行添加到 build.gradle 的依赖项中：compile 'org.springframework.boot:spring-boot-starter-web')。
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