Maven: missing artifact org.springframework:spring

2020-06-03 08:59发布

站内文章 / Java
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问题:

I have a dynamic web project in SpringToolSuite. It is converted into a Maven project.

I am getting the issue:

Mising artifact org.springframework:spring.jar:4.2.6

I already tried to clean, rebuild and run the project. It gives:

Error reading file C:\Users\jublikon.m2\repository\org\springframework\spring\4.2.6\spring-4.2.6.jar C:\Users\jublikon.m2\repository\org\springframework\spring\4.2.6\spring-4.2.6.jar (The system cannot find the specified file)

I do not understand why it is asking for jar files while I am using Maven?

pom.xml

    <?xml version="1.0"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <modelVersion>4.0.0</modelVersion>
  <groupId>HelloWeb</groupId>
  <artifactId>HelloWeb</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  <dependencies>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <scope>compile</scope>
    </dependency>
  </dependencies>
  <repositories>
    <repository>
      <snapshots>
        <enabled>false</enabled>
      </snapshots>
      <id>central</id>
      <name>Central Repository</name>
      <url>https://repo.maven.apache.org/maven2</url>
    </repository>
  </repositories>
  <pluginRepositories>
    <pluginRepository>
      <releases>
        <updatePolicy>never</updatePolicy>
      </releases>
      <snapshots>
        <enabled>false</enabled>
      </snapshots>
      <id>central</id>
      <name>Central Repository</name>
      <url>https://repo.maven.apache.org/maven2</url>
    </pluginRepository>
  </pluginRepositories>
  <build>
    <sourceDirectory>C:\Users\name\Development\Spring\Projects\HelloWeb\src\main\java</sourceDirectory>
    <scriptSourceDirectory>C:\Users\name\Development\Spring\Projects\HelloWeb\src\main\scripts</scriptSourceDirectory>
    <testSourceDirectory>C:\Users\name\Development\Spring\Projects\HelloWeb\src\test\java</testSourceDirectory>
    <outputDirectory>C:\Users\name\Development\Spring\Projects\HelloWeb\target\classes</outputDirectory>
    <testOutputDirectory>C:\Users\jublikon\Development\Spring\Projects\HelloWeb\target\test-classes</testOutputDirectory>
    <resources>
      <resource>
        <directory>C:\Users\jublikon\Development\Spring\Projects\HelloWeb\src\main\resources</directory>
      </resource>
    </resources>
    <testResources>
      <testResource>
        <directory>C:\Users\jublikon\Development\Spring\Projects\HelloWeb\src\test\resources</directory>
      </testResource>
    </testResources>
    <directory>C:\Users\jublikon\Development\Spring\Projects\HelloWeb\target</directory>
    <finalName>HelloWeb-0.0.1-SNAPSHOT</finalName>
    <pluginManagement>
      <plugins>
        <plugin>
          <artifactId>maven-antrun-plugin</artifactId>
          <version>1.3</version>
        </plugin>
        <plugin>
          <artifactId>maven-assembly-plugin</artifactId>
          <version>2.2-beta-5</version>
        </plugin>
        <plugin>
          <artifactId>maven-dependency-plugin</artifactId>
          <version>2.8</version>
        </plugin>
        <plugin>
          <artifactId>maven-release-plugin</artifactId>
          <version>2.3.2</version>
        </plugin>
      </plugins>
    </pluginManagement>
    <plugins>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.3</version>
        <executions>
          <execution>
            <id>default-compile</id>
            <phase>compile</phase>
            <goals>
              <goal>compile</goal>
            </goals>
            <configuration>
              <source>1.8</source>
              <target>1.8</target>
            </configuration>
          </execution>
          <execution>
            <id>default-testCompile</id>
            <phase>test-compile</phase>
            <goals>
              <goal>testCompile</goal>
            </goals>
            <configuration>
              <source>1.8</source>
              <target>1.8</target>
            </configuration>
          </execution>
        </executions>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-war-plugin</artifactId>
        <version>2.6</version>
        <executions>
          <execution>
            <id>default-war</id>
            <phase>package</phase>
            <goals>
              <goal>war</goal>
            </goals>
            <configuration>
              <warSourceDirectory>WebContent</warSourceDirectory>
              <failOnMissingWebXml>false</failOnMissingWebXml>
            </configuration>
          </execution>
        </executions>
        <configuration>
          <warSourceDirectory>WebContent</warSourceDirectory>
          <failOnMissingWebXml>false</failOnMissingWebXml>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-clean-plugin</artifactId>
        <version>2.5</version>
        <executions>
          <execution>
            <id>default-clean</id>
            <phase>clean</phase>
            <goals>
              <goal>clean</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-resources-plugin</artifactId>
        <version>2.6</version>
        <executions>
          <execution>
            <id>default-testResources</id>
            <phase>process-test-resources</phase>
            <goals>
              <goal>testResources</goal>
            </goals>
          </execution>
          <execution>
            <id>default-resources</id>
            <phase>process-resources</phase>
            <goals>
              <goal>resources</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>2.12.4</version>
        <executions>
          <execution>
            <id>default-test</id>
            <phase>test</phase>
            <goals>
              <goal>test</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-install-plugin</artifactId>
        <version>2.4</version>
        <executions>
          <execution>
            <id>default-install</id>
            <phase>install</phase>
            <goals>
              <goal>install</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-deploy-plugin</artifactId>
        <version>2.7</version>
        <executions>
          <execution>
            <id>default-deploy</id>
            <phase>deploy</phase>
            <goals>
              <goal>deploy</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-site-plugin</artifactId>
        <version>3.3</version>
        <executions>
          <execution>
            <id>default-site</id>
            <phase>site</phase>
            <goals>
              <goal>site</goal>
            </goals>
            <configuration>
              <outputDirectory>C:\Users\jublikon\Development\Spring\Projects\HelloWeb\target\site</outputDirectory>
              <reportPlugins>
                <reportPlugin>
                  <groupId>org.apache.maven.plugins</groupId>
                  <artifactId>maven-project-info-reports-plugin</artifactId>
                </reportPlugin>
              </reportPlugins>
            </configuration>
          </execution>
          <execution>
            <id>default-deploy</id>
            <phase>site-deploy</phase>
            <goals>
              <goal>deploy</goal>
            </goals>
            <configuration>
              <outputDirectory>C:\Users\jublikon\Development\Spring\Projects\HelloWeb\target\site</outputDirectory>
              <reportPlugins>
                <reportPlugin>
                  <groupId>org.apache.maven.plugins</groupId>
                  <artifactId>maven-project-info-reports-plugin</artifactId>
                </reportPlugin>
              </reportPlugins>
            </configuration>
          </execution>
        </executions>
        <configuration>
          <outputDirectory>C:\Users\jublikon\Development\Spring\Projects\HelloWeb\target\site</outputDirectory>
          <reportPlugins>
            <reportPlugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-project-info-reports-plugin</artifactId>
            </reportPlugin>
          </reportPlugins>
        </configuration>
      </plugin>
    </plugins>
  </build>
  <reporting>
    <outputDirectory>C:\Users\jublikon\Development\Spring\Projects\HelloWeb\target\site</outputDirectory>
  </reporting>
</project>

I have already seen this post but somehow I am not able to solve my problem.

When I execute

mvn clean install

in the root directory of the project I get: 

>mvn clean install
[INFO] Scanning for projects...
Downloading: https://repo.maven.apache.org/maven2/org/springframework/spring-framework-bom/$%7Bspring.version%7D/spring-framework-bom-$%7Bspring.version%7D.pom
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[ERROR] Non-resolvable import POM: Could not find artifact org.springframework:spring-framework-bom:pom:${spring.version} in central (https://repo.maven.apache.org/maven2) @ line 29, column 21
[ERROR] 'dependencies.dependency.version' for org.springframework:spring-context:jar is missing. @ line 40, column 17
[ERROR] 'dependencies.dependency.version' for org.springframework:spring-core:jar is missing. @ line 44, column 17
[ERROR] 'dependencies.dependency.version' for org.springframework:spring-web:jar is missing. @ line 48, column 17
[ERROR] 'dependencies.dependency.version' for org.springframework:spring-webmvc:jar is missing. @ line 52, column 17
[ERROR] 'dependencies.dependency.version' for org.springframework:spring-aspects:jar is missing. @ line 56, column 17
 @
[ERROR] The build could not read 1 project -> [Help 1]
[ERROR]
[ERROR]   The project HelloWeb:HelloWeb:0.0.1-SNAPSHOT (C:\Users\jublikon\Development\Spring\Projects\HelloWeb\pom.xml) has 6 errors
[ERROR]     Non-resolvable import POM: Could not find artifact org.springframework:spring-framework-bom:pom:${spring.version} in central (https://repo.maven.apache.org/maven2) @ line 29, column 21 -> [Help 2]
[ERROR]     'dependencies.dependency.version' for org.springframework:spring-context:jar is missing. @ line 40, column 17
[ERROR]     'dependencies.dependency.version' for org.springframework:spring-core:jar is missing. @ line 44, column 17
[ERROR]     'dependencies.dependency.version' for org.springframework:spring-web:jar is missing. @ line 48, column 17
[ERROR]     'dependencies.dependency.version' for org.springframework:spring-webmvc:jar is missing. @ line 52, column 17
[ERROR]     'dependencies.dependency.version' for org.springframework:spring-aspects:jar is missing. @ line 56, column 17
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException

I have also checked my proxy settings. The active provider in eclipse is set to 'native' and I am not connected through a proxy

In the directory

~/.m2/settings.xml

main is org.apache.maven.cli.MavenCli from plexus.core

set maven.home default ${user.home}/m2

[plexus.core]
optionally ${maven.home}/lib/ext/*.jar
load       ${maven.home}/lib/*.jar
load       ${maven.home}/conf/logging

回答1:

I'm quite sure there is no artifact called "spring"

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring</artifactId>           <!-- *** spring doesn't *** exist  -->
    <version>4.2.6</version>
</dependency>

Depending on the Spring components you need, you should basically include these dependencies:

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>4.2.6.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>4.2.6.RELEASE</version>
    </dependency>

In my Spring project, I include the Spring artifacts via a BOM (Bill of Materials):

<properties>
    <spring.version>4.2.6.RELEASE</spring.version>
</properties>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-framework-bom</artifactId>
            <version>${spring.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

<dependencies>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
    </dependency>
<!-- more -->
</dependencies>


回答2:

Maven by default downloads the required dependencies to your local repository so they can be accesses faster next time. Maybe the dependency is either corrupted, or removed from your local disk? Did you check that C:\Users\jublikon.m2\repository\org\springframework\spring\4.2.6\spring-4.2.6.jar actually exists and is a valid spring jar file?



回答3:

What worked for me was I downloaded the jar files from mvnrepository I added them from build path and then I did clean compile install in Maven build and then validate the project and then update the project and the errors are gone.



回答4:

For spring framework, I was using the following dependency in my pom.xml file

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-test</artifactId>
    <version>4.3.2RELEASE</version>
    <scope>test</scope>
</dependency>

But it was giving me the error

Missing artifact org.springframework.boot:spring-boot-starter-test:jar:4.3.2.RELEASE

But when I changed the version to the latest one, the error was removed.

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-test</artifactId>
    <version>5.2.1.RELEASE</version>
    <scope>test</scope>
</dependency>

So try using the latest version.



标签： java eclipse spring maven spring-mvc
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