不带JavaFX的Tomcat 9 SpringBoot + ReactJS无法启动- javafx.application,应用程序是抽象的

li9yvcax  于 2023-03-12  发布在  React
关注(0)|答案(1)|浏览(166)

在previous question之后，我询问了有关将Sping Boot 和React集成在一起的问题，我使用该解决方案解决了Spring Boot查找React构建文件以及显示来自API请求的信息的问题。
另一个意想不到的问题出现了- Apache Tomcat无法部署这些更改所导致的war文件。但是，当项目在IDE中工作时，它是完美的。
尝试启动项目时，会发生以下情况：

首先，这是堆栈跟踪：

09-Mar-2023 15:53:27.129 INFO [http-nio-8080-exec-18] org.apache.catalina.startup.HostConfig.undeploy Undeploying context [/backend]
09-Mar-2023 15:53:37.395 INFO [http-nio-8080-exec-21] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive [C:\Program Files\Apache Software Foundation\Tomcat 9.0\webapps\backend.war]
09-Mar-2023 15:53:42.775 INFO [http-nio-8080-exec-21] org.apache.jasper.servlet.TldScanner.scanJars 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.
09-Mar-2023 15:53:55.329 SEVERE [http-nio-8080-exec-21] org.apache.catalina.startup.HostConfig.deployWAR Error deploying web application archive [C:\Program Files\Apache Software Foundation\Tomcat 9.0\webapps\backend.war]
    java.lang.IllegalStateException: Error starting child
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:729)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:696)
        at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1023)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:543)
        at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1689)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:293)
        at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:809)
        at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
        at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1614)
        at org.apache.catalina.manager.HTMLManagerServlet.upload(HTMLManagerServlet.java:291)
        at org.apache.catalina.manager.HTMLManagerServlet.doPost(HTMLManagerServlet.java:209)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:696)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:779)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at org.apache.catalina.filters.CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:203)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:126)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:177)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:660)
        at org.apache.catalina.valves.RequestFilterValve.process(RequestFilterValve.java:378)
        at org.apache.catalina.valves.RemoteAddrValve.invoke(RemoteAddrValve.java:56)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
        at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:891)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1784)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
        at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.base/java.lang.Thread.run(Thread.java:829)
    Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/backend]]
        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:726)
        ... 47 more
    Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'application': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javafx.application.Application]: Is it an abstract class?; nested exception is java.lang.InstantiationException
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1334)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1232)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
        at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:955)
        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
        at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:175)
        at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:155)
        at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:97)
        at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:174)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5211)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        ... 48 more
    Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [javafx.application.Application]: Is it an abstract class?; nested exception is java.lang.InstantiationException
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:215)
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1326)
        ... 68 more
    Caused by: java.lang.InstantiationException
        at java.base/jdk.internal.reflect.InstantiationExceptionConstructorAccessorImpl.newInstance(InstantiationExceptionConstructorAccessorImpl.java:48)
        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:211)
        ... 70 more
09-Mar-2023 15:53:55.331 INFO [http-nio-8080-exec-21] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [C:\Program Files\Apache Software Foundation\Tomcat 9.0\webapps\backend.war] has finished in [17,937] ms
09-Mar-2023 15:54:03.325 INFO [http-nio-8080-exec-23] org.apache.jasper.servlet.TldScanner.scanJars 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.

以下是各种代码的详细信息：
package.json:

{
  "name": "frontend",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "@testing-library/jest-dom": "^5.16.5",
    "@testing-library/react": "^13.4.0",
    "@testing-library/user-event": "^13.5.0",
    "antd": "^5.1.6",
    "axios": "^1.2.1",
    "bootstrap": "^5.2.3",
    "clsx": "^1.2.1",
    "moment": "^2.29.4",
    "react": "^18.2.0",
    "react-bootstrap": "^2.7.0",
    "react-calendar": "^4.0.0",
    "react-dom": "^18.2.0",
    "react-router-dom": "^6.4.3",
    "react-scripts": "5.0.1",
    "react-table": "^7.8.0",
    "validator": "^13.7.0",
    "web-vitals": "^2.1.4"
  },
  
  "homepage":".",
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "eslintConfig": {
    "extends": [
      "react-app",
      "react-app/jest"
    ]
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  },
  "devDependencies": {
    "css-loader": "^6.7.3"
  }
}

App.js:

class App extends Component {
  render() {
    return (      
       <HashRouter>
        <div>
          <Navigation />
            <Routes>
             <Route exact path="/" element={<Home />} />
             <Route path="/about" element={<About />}/>
             <Route path="/contact" element={<Contact />}/>
           </Routes>
        </div> 
      </HashRouter>
    );
  }
}
 
export default App;

UserController.java

package com.example.demo.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;

import com.example.demo.model.User;
import com.example.demo.service.UserService;

@Controller
public class UserController {
    
    @Autowired
    UserService userService;
    
    @GetMapping(value = "/**/{path:[^\\.]*}")
    public String forward() {
        return "forward:/";
    }
    
    @GetMapping("/clients")
    public List<User> getAllUsers() {

        return userService.getAllUsers();
    }
}

pom.xml

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.7.9</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>backend_2</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>backend-3</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>11</java.version>
        <tomcat.version>9.0.71</tomcat.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        <dependency>
            <groupId>com.microsoft.sqlserver</groupId>
            <artifactId>mssql-jdbc</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
              <groupId>org.springframework.boot</groupId>
              <artifactId>spring-boot-starter-mail</artifactId>
        </dependency>
    </dependencies>

    <build>
        <finalName>backend</finalName>
        <plugins>
        
            
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <addResources>true</addResources>
                </configuration>
            </plugin>
            
            
            
            <plugin>
               <groupId>com.github.eirslett</groupId>
               <artifactId>frontend-maven-plugin</artifactId>
               <version>1.12.1</version>
               
               <executions>
                <execution>
                    <id>Install node and npm</id>
                    <goals>
                        <goal>install-node-and-npm</goal>
                    </goals>
                    <phase>generate-resources</phase>
                    <configuration>
                        <nodeVersion>v19.6.1</nodeVersion>
                        <npmVersion>9.4.0</npmVersion>
                    </configuration>
                </execution>
                
                <!-- running npm install -->
                <execution>
                    <id>npm install</id>
                    <goals>
                        <goal>npm</goal>
                    </goals>
                    <phase>generate-resources</phase>
                    <configuration>
                        <arguments>install</arguments>
                    </configuration>
                </execution>
                
                <!-- build production version -->
                <execution>
                    <id>npm build</id>
                    <goals>
                        <goal>npm</goal>
                    </goals>
                    <phase>generate-resources</phase>
                    <configuration>
                        <arguments>run build</arguments>
                    
                    </configuration>
                
                </execution>
               
               </executions>
               <configuration>
                    <nodeVersion>v19.6.1</nodeVersion>
                    <workingDirectory>src/main/frontend</workingDirectory>
               </configuration>
             </plugin>
             
             <!-- copy react build artigact to spring boot -->
             <plugin>
             <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
             <executions>
                <execution>
                    <id>Copy JavaScript app into SpringBoot</id>
                    <phase>process-resources</phase>
                    <goals>
                        <goal>copy-resources</goal>
                    </goals>
                    <configuration>
                        <outputDirectory>target/classes/static</outputDirectory>
                        <resources>
                            <resource>
                                <directory>src/main/frontend/build</directory>
                                <filtering>false</filtering>
                            </resource>
                        </resources>
                    </configuration>
                </execution>
             </executions>
             
             </plugin>

        </plugins>
    </build>

</project>

我想这是关于我工作所需的文件。
这个问题可以归结为Apache无法初始化User模型，或者这就是错误告诉我的。然而，Controller也不是任何意义上的抽象方法，而且在项目中也没有使用这样的方法。
为了记录在案，项目构建成功：

我尝试过的方法包括：

# these configuration details cannot be used for external Tomcat, they only work for the embedded version.
#server.servlet.context-path=/
#spring.mvc.servlet.path=/backend-3
  • 已将UserController文件中的@RestController更改为@Controller。
  • deploying the project on an external Tomcat，这实质上归结为在pom.xml文件中提供作用域。
  • 另一个建议是把@Autowired放在模型中的构造函数上，但这对结果没有影响，而且看起来也不重要。否则，构造函数就是典型的字段，getter/setter，constructor，blank constructor和toString。
    更新
  • 我尝试的另一件事是将已构建项目的名称backend作为路由的一部分放入App.js文件中，但没有成功;这是基于问题顶部连接的最后一个例子。我不认为这应该与前端路由相关，但是？
    更新日期：2023年3月10日

Apache Tomcat和Java 11的版本之间没有版本冲突，我正在使用Java 11：

这个问题似乎是从静态路径上的index.html文件中的最后一个问题中删除正斜杠后开始的，这会阻止Apache Tomcat找到初始路径;似乎是另一个路径问题。

<!doctype html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <link rel="shortcut icon" href="/favicon.ico">
    <title>React App</title>
    <link href="static/css/main.9a0fe4f1.css" rel="stylesheet">
</head>

<body>
    <div id="root"></div>
    <script type="text/javascript" src="static/js/main.f55352b1.js"></script>
</body>

</html>

我在其他任何地方都找不到这个特定的踪迹，但是在这个项目的上下文中，它的细节对我来说也没有什么意义。
提前感谢您的任何见解！

reactjs

1条答案

按热度按时间
rjee0c15

rjee0c151#

问题是Tomcat找不到javafx.application.Application的实现，只找到了抽象定义。
这与reactJS或安全性无关，JavaFX和ReactJS被混合在一起让我感到奇怪--也许是无意的。
关键字是堆栈跟踪中的以下内容：导致错误原因：网站首页示例化[javafx.application.应用程序]失败：它是抽象类吗？嵌套异常是在org.springframework.beans.beanUtils.示例化类中的java.lang.示例化异常（BeanUtils.java：215）
我没有看到对javafx jar的依赖关系，因此推测IDE设置为提供它们。
尝试将以下内容添加到pom中以拉入所有javafx依赖项：

<dependency>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-base</artifactId>
    <version>11</version>
</dependency>
<dependency>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-controls</artifactId>
    <version>11</version>
</dependency>
<dependency>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-fxml</artifactId>
    <version>11</version>
</dependency>
<dependency>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-graphics</artifactId>
    <version>11</version>
</dependency>
<dependency>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-media</artifactId>
    <version>11</version>
</dependency>
<dependency>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-swing</artifactId>
    <version>11</version>
</dependency>
<dependency>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-web</artifactId>
    <version>11</version>
</dependency>
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