org.springframework.boot.web.support不存在 [英] org.springframework.boot.web.support does not exist

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问题描述

我正在将构建系统从Maven更改为Gradle，以实现Spring引导项目。我得到这个堆栈跟踪 

  19:03:08：执行外部任务'bootRun'... 
 / home / / java / sample / jetty / jsp / SampleJettyJspApplication.java：22：error：package org.springframework / java / sample / jetty / jsp / SampleJettyJspApplication.java：22：error：package org.springframework .boot.web.support不存在
 import org.springframework.boot.web.support.SpringBootServletInitializer; 
 $ 
 / home / dac / proj / spring-boot-master / spring-boot-samples / spring-boot-sample-jetty -jsp / src / main / java / sample / jetty / jsp / SampleJettyJspApplication.java:25：error：can not find symbol 
 public class SampleJettyJspApplication extends SpringBootServletInitializer {
 ^ 
 symbol：class SpringBootServletInitializer 
 / home / dac / proj / spring-boot-master /spring-boot-samples/spring-boot-sample-jetty-jsp/src/main/java/sample/jetty/jsp/SampleJettyJspApplication.java:27：error：方法不会覆盖或实现来自超类型$ b的方法$ b @Override 
 ^ 
 3错误
：compileJava失败
 
失败：生成失败，出现异常。 
 
 *出错：
任务'compileJava'的执行失败。 
>编译失败;详细信息请参阅编译器错误输出。 
 
 *尝试：
使用--stacktrace选项运行以获取堆栈跟踪。使用--info或--debug选项运行以获取更多日志输出。 
 
构建失败
 
总时间：2.334秒
编译失败;详细信息请参阅编译器错误输出。 
 19:03:10：外部任务执行完成'bootRun'。

我的 build.gradle 

  buildscript {
 repositories {
 mavenCentral（）
} 
依赖关系{
 classpathorg.springframework.boot：spring-boot-gradle-plugin：1.3.6.RELEASE
 classpath'org.springframework：springloaded：1.2.5.RELEASE'
} 
} 
 
 apply plugin：'java'
 apply plugin：'eclipse'
 apply plugin：'idea'
 apply plugin：'spring-boot'
应用插件：'rebel'
 
 buildscript {
 repositories {
 mavenCentral（）
} 
 
依赖项{
 classpath组：'org.zeroturnaround'，名称：'gradle-jrebel-plugin'，版本：'1.1.3'
} 
} 
 jar {
 baseName ='gs-spring -boot'
 version ='0.1.0'
} 
 
储存库{
 mavenCentral（）
} 
 
 sourceCompatibility = 1.8 
 targetCompatibility = 1.8 
 
依赖项{
 // tag :: jetty [] 
 compile（org.springframework.boot：spring-boot-starter-web）{
排除模块：spring-boot-starter-tomcat
} 
 compile（org.springframework.boot：spring-boot-starter-jetty）
 // end :: jetty [ ] 
 // tag :: actuator [] 
 compile（org.springframework.boot：spring-boot-starter-actuator）
 
 testCompile（org.springframework。 boot：spring-boot-starter-test）
 testCompile（junit：junit）
 
} 
 
 //更改默认的IntelliJ输出目录以编译类
 idea {
 module {
 inheritOutputDirs = false 
 outputDir = file（$ buildDir / classes / main /）
} 
} 
 
任务包装（类型：包装）{
 gradleVersion ='2.3'
}

我的 pom.xml 

 < ;? xml version =1.0encoding =UTF-8？> 
< project xmlns =http://maven.apache.org/POM/4.0.0xmlns：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> 
 <！ - 你自己的应用程序应该继承自spring-boot-starter-parent  - > 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-samples< / artifactId> 
< version> 1.4.0.BUILD-SNAPSHOT< / version> 
< / parent> 
< artifactId> spring-boot-sample-jetty-jsp< / artifactId> 
<包装>战争< / packaging> 
< name> Spring Boot Jetty JSP示例< / name> 
< description> Spring Boot Jetty JSP示例< / description> 
< url> http：//projects.spring.io/spring-boot/< / url> 
< organization> 
<名称> Pivotal Software，Inc.< / name> 
< url> http：//www.spring.io< / url> 
< / organization> 
<属性> 
  $ {basedir} /../..& lt; /main.basedir> 
< m2eclipse.wtp.contextRoot> /< /m2eclipse.wtp.contextRoot> 
< / properties> 
<依赖关系> 
< dependency> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-starter-web< / artifactId> 
<排除项> 
<排除> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-starter-tomcat< / artifactId> 
< /排除> 
< /排除> 
< /依赖关系> 
< dependency> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-starter-validation< / artifactId> 
<排除项> 
<排除> 
< groupId> org.apache.tomcat.embed< / groupId> 
< artifactId> tomcat-embed-el< / artifactId> 
< /排除> 
< /排除> 
< /依赖关系> 
< dependency> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-starter-jetty< / artifactId> 
<！ - < scope>提供< / scope>  - > 
< /依赖关系> 
< dependency> 
< groupId> javax.servlet< / groupId> 
< artifactId> jstl< / artifactId> 
< /依赖关系> 
< dependency> 
< groupId> org.eclipse.jetty< / groupId> 
< artifactId> apache-jsp< / artifactId> 
<！ - < scope>提供< / scope>  - > 
< /依赖关系> 
< dependency> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-starter-test< / artifactId> 
< scope> test< / scope> 
< /依赖关系> 
< /依赖关系> 
< build> 
< plugins> 
< plugin> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-maven-plugin< / artifactId> 
<配置> 
< executable> true< / executable> 
< / configuration> 
< / plugin> 
< plugin> 
< groupId> org.apache.maven.plugins< / groupId> 
< artifactId> maven-surefire-plugin< / artifactId> 
<配置> 
< useSystemClassLoader> false< / useSystemClassLoader> 
< / configuration> 
< / plugin> 
 
 
 
< / plugins> 
< / build> 
< / project>

我应该如何让包可用于gradle？ 



  org.springframework.boot.context.web.SpringBootServletInitializer

然而，您的Maven pom.xml使用Spring Boot 1.4.0.BUILD-SNAPSHOT，其中包名称已更改为：

  org.springframework.boot.web.support.SpringBootServletInitializer



<因此，如果您转到SampleJettyJspApplication并将导入更改为 

  import org.springframework.boot.context.web.SpringBootServletInitializer ;

一切都应该没问题。

或者，您可以修改Gradle构建脚本以导入1.4.0.BUILD-SNAPSHOT，但这需要添加Spring的快照存储库：

  buildscript {
存储库{
 maven.urlhttp://repo.spring.io/snapshot
 mavenCentral （）
} 
 
依赖关系{
 classpath（org.springframework.boot：spring-boot-gradle-plugin：1.4.0.BUILD-SNAPSHOT）
} 
}


I'm changing build systems from maven to gradle for a spring boot project. I get this stacktrace

19:03:08: Executing external task 'bootRun'...
/home/dac/proj/spring-boot-master/spring-boot-samples/spring-boot-sample-jetty-jsp/src/main/java/sample/jetty/jsp/SampleJettyJspApplication.java:22: error: package org.springframework.boot.web.support does not exist
import org.springframework.boot.web.support.SpringBootServletInitializer;
                                           ^
/home/dac/proj/spring-boot-master/spring-boot-samples/spring-boot-sample-jetty-jsp/src/main/java/sample/jetty/jsp/SampleJettyJspApplication.java:25: error: cannot find symbol
public class SampleJettyJspApplication extends SpringBootServletInitializer {
                                               ^
  symbol: class SpringBootServletInitializer
/home/dac/proj/spring-boot-master/spring-boot-samples/spring-boot-sample-jetty-jsp/src/main/java/sample/jetty/jsp/SampleJettyJspApplication.java:27: error: method does not override or implement a method from a supertype
    @Override
    ^
3 errors
:compileJava FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileJava'.
> Compilation failed; see the compiler error output for details.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 2.334 secs
Compilation failed; see the compiler error output for details.
19:03:10: External task execution finished 'bootRun'.

My build.gradle

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath "org.springframework.boot:spring-boot-gradle-plugin:1.3.6.RELEASE"
        classpath 'org.springframework:springloaded:1.2.5.RELEASE'
    }
}

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'spring-boot'
apply plugin: 'rebel'

buildscript {
    repositories {
        mavenCentral()
    }

    dependencies {
        classpath group: 'org.zeroturnaround', name: 'gradle-jrebel-plugin', version: '1.1.3'
    }
}
jar {
    baseName = 'gs-spring-boot'
    version =  '0.1.0'
}

repositories {
    mavenCentral()
}

sourceCompatibility = 1.8
targetCompatibility = 1.8

dependencies {
    // tag::jetty[]
    compile("org.springframework.boot:spring-boot-starter-web") {
        exclude module: "spring-boot-starter-tomcat"
    }
    compile("org.springframework.boot:spring-boot-starter-jetty")
    // end::jetty[]
    // tag::actuator[]
    compile("org.springframework.boot:spring-boot-starter-actuator")

    testCompile("org.springframework.boot:spring-boot-starter-test")
    testCompile("junit:junit")

}

// change default IntelliJ output directory for compiling classes
idea {
    module {
        inheritOutputDirs = false
        outputDir = file("$buildDir/classes/main/")
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '2.3'
}

My 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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <!-- Your own application should inherit from spring-boot-starter-parent -->
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-samples</artifactId>
        <version>1.4.0.BUILD-SNAPSHOT</version>
    </parent>
    <artifactId>spring-boot-sample-jetty-jsp</artifactId>
    <packaging>war</packaging>
    <name>Spring Boot Jetty JSP Sample</name>
    <description>Spring Boot Jetty JSP Sample</description>
    <url>http://projects.spring.io/spring-boot/</url>
    <organization>
        <name>Pivotal Software, Inc.</name>
        <url>http://www.spring.io</url>
    </organization>
    <properties>
        <main.basedir>${basedir}/../..</main.basedir>
        <m2eclipse.wtp.contextRoot>/</m2eclipse.wtp.contextRoot>
    </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>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-validation</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.apache.tomcat.embed</groupId>
                    <artifactId>tomcat-embed-el</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jetty</artifactId>
            <!--<scope>provided</scope>-->
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>
        <dependency>
            <groupId>org.eclipse.jetty</groupId>
            <artifactId>apache-jsp</artifactId>
            <!--<scope>provided</scope>-->
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <executable>true</executable>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <configuration>
                    <useSystemClassLoader>false</useSystemClassLoader>
                </configuration>
            </plugin>



        </plugins>
    </build>
</project>

How should I make the package available to gradle?

解决方案

It's probably an import issue in your source code - your Gradle build script uses Spring Boot 1.3.6.RELEASE in which SpringBootServletInitializer has the following fully qualified name:

org.springframework.boot.context.web.SpringBootServletInitializer

Your Maven pom.xml, however, uses Spring Boot 1.4.0.BUILD-SNAPSHOT, in which the package name was changed to:

org.springframework.boot.web.support.SpringBootServletInitializer

So if you go to your SampleJettyJspApplication and change the import to 

import org.springframework.boot.context.web.SpringBootServletInitializer;

everything should be fine.

Alternatively, you could alter your Gradle build script to import 1.4.0.BUILD-SNAPSHOT, but that would require adding Spring's snapshot repository:

buildscript {
    repositories {
        maven.url "http://repo.spring.io/snapshot"
        mavenCentral()
    }

    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:1.4.0.BUILD-SNAPSHOT")
    }
}

这篇关于org.springframework.boot.web.support不存在的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！

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