Springboot 演示应用程序未在 Wildfly 上正确部署

【问题标题】：Springboot demo application doesn't get deployed correctly on WildflySpringboot 演示应用程序未在 Wildfly 上正确部署
【发布时间】：2020-07-28 13:09:28
【问题描述】：

我正在关注this tutorial 以了解如何在 Wildfly 上部署基本的 Spring Boot 应用程序。 该应用程序使用嵌入式 tomcat 服务器正确运行，但在 wildfly 上不起作用。我在我的 Eclipse 控制台上没有看到任何与 Spring Boot 相关的日志，好像 Spring Boot 框架甚至没有在 Wildfly 上加载。

这是主要的（也是唯一的）java类：

package com.example.helloworld;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
public class HelloworldApplication extends SpringBootServletInitializer {

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

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(applicationClass);
    }

    private static Class<HelloworldApplication> applicationClass = HelloworldApplication.class;
}

@RestController
class HelloController {

    @RequestMapping("/hello/{name}")
    String hello(@PathVariable String name) {

             return "Hi "+name+" !";

    }
}

这是我的 pom.xml

<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/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-parent</artifactId>
      <version>2.2.0.BUILD-SNAPSHOT</version>
      <relativePath />
      <!-- lookup parent from repository -->
   </parent>
   <groupId>com.example</groupId>
   <artifactId>helloworld</artifactId>
   <version>0.0.1-SNAPSHOT</version>
   <packaging>war</packaging>
   <name>helloworld</name>
   <description>Demo project for Spring Boot</description>
   <properties>
      <java.version>1.8</java.version>
   </properties>
   <dependencies>
      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-web</artifactId>
         <exclusions>
            <exclusion>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot-starter-tomcat</artifactId>
            </exclusion>
         </exclusions>
      </dependency>
      <dependency>
         <groupId>javax.servlet</groupId>
         <artifactId>javax.servlet-api</artifactId>
         <version>3.1.0</version>
         <scope>provided</scope>
      </dependency>
      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-test</artifactId>
         <scope>test</scope>
      </dependency>
   </dependencies>
   <build>
      <finalName>springbootwildfly</finalName>
      <plugins>
         <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
         </plugin>
      </plugins>
   </build>
   <repositories>
      <repository>
         <id>spring-snapshots</id>
         <name>Spring Snapshots</name>
         <url>https://repo.spring.io/snapshot</url>
         <snapshots>
            <enabled>true</enabled>
         </snapshots>
      </repository>
      <repository>
         <id>spring-milestones</id>
         <name>Spring Milestones</name>
         <url>https://repo.spring.io/milestone</url>
         <snapshots>
            <enabled>false</enabled>
         </snapshots>
      </repository>
   </repositories>
   <pluginRepositories>
      <pluginRepository>
         <id>spring-snapshots</id>
         <name>Spring Snapshots</name>
         <url>https://repo.spring.io/snapshot</url>
         <snapshots>
            <enabled>true</enabled>
         </snapshots>
      </pluginRepository>
      <pluginRepository>
         <id>spring-milestones</id>
         <name>Spring Milestones</name>
         <url>https://repo.spring.io/milestone</url>
         <snapshots>
            <enabled>false</enabled>
         </snapshots>
      </pluginRepository>
   </pluginRepositories>
</project>

这是eclipse控制台日志的相关部分：

15:54:57,852 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-1) WFLYSRV0027: Starting deployment of "helloworld-0.0.1-SNAPSHOT.war" (runtime-name: "helloworld-0.0.1-SNAPSHOT.war")
15:54:57,868 INFO  [org.wildfly.extension.undertow] (MSC service thread 1-5) WFLYUT0006: Undertow HTTP listener default listening on 127.0.0.1:8080
15:54:57,875 INFO  [org.jboss.as.ejb3] (MSC service thread 1-8) WFLYEJB0493: EJB subsystem suspension complete
15:54:57,956 INFO  [org.jboss.as.connector.subsystems.datasources] (MSC service thread 1-4) WFLYJCA0001: Bound data source [java:/jdbc/kyc]
15:54:57,979 INFO  [org.jboss.as.connector.subsystems.datasources] (MSC service thread 1-1) WFLYJCA0001: Bound data source [java:jboss/datasources/ExampleDS]
15:54:58,255 INFO  [org.wildfly.extension.undertow] (MSC service thread 1-1) WFLYUT0006: Undertow HTTPS listener https listening on 127.0.0.1:8443
15:54:58,318 INFO  [org.jboss.ws.common.management] (MSC service thread 1-1) JBWS022052: Starting JBossWS 5.3.0.Final (Apache CXF 3.3.3) 
15:55:00,042 WARN  [org.jboss.as.ee] (MSC service thread 1-1) WFLYEE0007: Not installing optional component org.springframework.http.server.reactive.ServletServerHttpResponse$ResponseAsyncListener due to an exception (enable DEBUG log level to see the cause)
15:55:00,043 WARN  [org.jboss.as.ee] (MSC service thread 1-1) WFLYEE0007: Not installing optional component org.springframework.http.server.reactive.ServletHttpHandlerAdapter$HandlerResultAsyncListener due to an exception (enable DEBUG log level to see the cause)
15:55:00,045 WARN  [org.jboss.as.ee] (MSC service thread 1-1) WFLYEE0007: Not installing optional component org.springframework.http.server.ServletServerHttpAsyncRequestControl due to an exception (enable DEBUG log level to see the cause)
15:55:00,047 WARN  [org.jboss.as.ee] (MSC service thread 1-1) WFLYEE0007: Not installing optional component org.springframework.web.context.request.async.StandardServletAsyncWebRequest due to an exception (enable DEBUG log level to see the cause)
15:55:00,051 WARN  [org.jboss.as.ee] (MSC service thread 1-1) WFLYEE0007: Not installing optional component org.springframework.http.server.reactive.ServletServerHttpRequest$RequestAsyncListener due to an exception (enable DEBUG log level to see the cause)
15:55:00,150 INFO  [org.infinispan.factories.GlobalComponentRegistry] (MSC service thread 1-5) ISPN000128: Infinispan version: Infinispan 'Infinity Minus ONE +2' 9.4.16.Final
15:55:00,465 INFO  [org.jboss.as.clustering.infinispan] (ServerService Thread Pool -- 76) WFLYCLINF0002: Started client-mappings cache from ejb container
15:55:00,628 INFO  [io.undertow.servlet] (ServerService Thread Pool -- 85) 1 Spring WebApplicationInitializers detected on classpath
15:55:00,665 INFO  [javax.enterprise.resource.webcontainer.jsf.config] (ServerService Thread Pool -- 85) Initializing Mojarra 2.3.9.SP04 for context '/helloworld-0.0.1-SNAPSHOT'
15:55:01,579 INFO  [org.wildfly.extension.undertow] (ServerService Thread Pool -- 85) WFLYUT0021: Registered web context: '/helloworld-0.0.1-SNAPSHOT' for server 'default-server'
15:55:01,677 INFO  [org.jboss.as.server] (ServerService Thread Pool -- 44) WFLYSRV0010: Deployed "helloworld-0.0.1-SNAPSHOT.war" (runtime-name : "helloworld-0.0.1-SNAPSHOT.war")
15:55:01,744 INFO  [org.jboss.as.server] (Controller Boot Thread) WFLYSRV0212: Resuming server
15:55:01,746 INFO  [org.jboss.as] (Controller Boot Thread) WFLYSRV0060: Http management interface listening on http://127.0.0.1:9990/management
15:55:01,746 INFO  [org.jboss.as] (Controller Boot Thread) WFLYSRV0051: Admin console listening on http://127.0.0.1:9990
15:55:01,746 INFO  [org.jboss.as] (Controller Boot Thread) WFLYSRV0025: WildFly Full 18.0.1.Final (WildFly Core 10.0.3.Final) started in 7452ms - Started 540 of 766 services (375 services are lazy, passive or on-demand)

我正在使用 eclipse 20-03、wildfly 18.0.1 和 spring boot 2.2.6，我在这里缺少什么？

提前致谢。

更新：我的 pom.xml 引发了关于 javax.servlet 依赖项的警告，告诉我我正在覆盖 spring-boot-dependencies 中定义的托管版本。

【问题讨论】：

  • 我承认我不是 Springboot 专家，但为什么要在服务器上运行具有嵌入式服务器或独立环境的环境 - Springboot？我认为 Springboot 旨在独立存在，而不是需要容器。
  • 我也不是专家，但是我要写的软件需要部署在wildfly应用服务器上，所以我正在试验它:)
  • WARN [org.jboss.as.ee]（MSC 服务线程 1-1）WFLYEE0007 看起来需要调查
  • 看起来它{已部署，但它不会启动反应组件，您必须在 DEBUG 级别启用记录器以获取更多信息，但无论如何您可以调用您的服务，因为它已部署，所以你可以试试 {yourhostip}:{wildfly_port}/helloworld-0.0.1-SNAPSHOT/hello/test 例如

标签： java spring-boot wildfly


【解决方案1】：

您需要在 pom.xml 中添加以下依赖项

 <dependency>
      <groupId>org.reactivestreams</groupId>
      <artifactId>reactive-streams</artifactId>
      <version>1.0.3</version>
    </dependency>

欲了解更多详情，请查看以下内容 Update to Spring 5.1 - java.lang.NoClassDefFoundError: org/springframework/http/server/reactive/ServletServerHttpResponse$ResponseBodyProcessor

【讨论】：

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