运行mvn clean install时出错。错误如下
[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.2.5.RELEASE:repackage (default) on project gs-accessing-data-neo4j: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.2.5.RELEASE:repackage failed: Plugin org.springframework.boot:spring-boot-maven-plugin:1.2.5.RELEASE or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.springframework:spring-core:jar:4.1.7.RELEASE, aopalliance:aopalliance:jar:1.0: Failure to find org.springframework:spring-core:jar:4.1.7.RELEASE in http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.2.5.RELEASE:repackage (default) on project gs-accessing-data-neo4j: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.2.5.RELEASE:repackage failed: Plugin org.springframework.boot:spring-boot-maven-plugin:1.2.5.RELEASE or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.springframework:spring-core:jar:4.1.7.RELEASE, aopalliance:aopalliance:jar:1.0: Failure to find org.springframework:spring-core:jar:4.1.7.RELEASE in http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:318)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:153)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:555)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
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:497)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:414)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:357)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.2.5.RELEASE:repackage failed: Plugin org.springframework.boot:spring-boot-maven-plugin:1.2.5.RELEASE or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.springframework:spring-core:jar:4.1.7.RELEASE, aopalliance:aopalliance:jar:1.0: Failure to find org.springframework:spring-core:jar:4.1.7.RELEASE in http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(Default BuildPluginManager.java:87)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
... 19 more
Caused by: org.apache.maven.plugin.PluginResolutionException: Plugin org.springframework.boot:spring-boot-maven-plugin:1.2.5.RELEASE or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.springframework:spring-core:jar:4.1.7.RELEASE, aopalliance:aopalliance:jar:1.0: Failure to find org.springframework:spring-core:jar:4.1.7.RELEASE in http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced
at org.apache.maven.plugin.internal.DefaultPluginDependenciesResolver.resolve(DefaultPluginDependenciesResolver.java:208)
at org.apache.maven.plugin.internal.DefaultMavenPluginManager.createPluginRealm(DefaultMavenPluginManager.java:357)
at org.apache.maven.plugin.internal.DefaultMavenPluginManager.setupPluginRealm(DefaultMavenPluginManager.java:325)
at org.apache.maven.plugin.DefaultBuildPluginManager.getPluginRealm(DefaultBuildPluginManager.java:180)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:83)
... 20 more
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: The following artifacts could not be resolved: org.springframework:spring-core:jar:4.1.7.RELEASE, aopalliance:aopalliance:jar:1.0: Failure to find org.springframework:spring-core:jar:4.1.7.RELEASE in http://repo.maven.apache.org/maven2 was cached inthe local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced
at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:459)
at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:262)
at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies(DefaultRepositorySystem.java:367)
at org.apache.maven.plugin.internal.DefaultPluginDependenciesResolver.resolve(DefaultPluginDependenciesResolver.java:200)
... 24 more
Caused by: org.eclipse.aether.transfer.ArtifactNotFoundException: Failure to find org.springframework:spring-core:jar:4.1.7.RELEASE in http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced
at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.newException(DefaultUpdateCheckManager.java:232)
at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkArtifact(DefaultUpdateCheckManager.java:206)
at org.eclipse.aether.internal.impl.DefaultArtifactResolver.gatherDownloads(DefaultArtifactResolver.java:599)
at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:518)
at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:436)
... 27 more
[ERROR]
[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/PluginResolutionException
我已经检查了org.springframework的jar文件：spring-core：jar：4.1.7.RELEASE以及aopalliance：aopalliance：jar：1.0。 远程存储库和我的本地存储库中有一个有效的jar。 无法弄清楚为什么会出现这样的错误。
我的pom.xml如下所示。
<?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>
<groupId>org.springframework</groupId>
<artifactId>gs-accessing-data-neo4j</artifactId>
<version>0.1.0</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.2.5.RELEASE</version>
</parent>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>2.2.4</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-releases</id>
<name>Spring Releases</name>
<url>https://repo.spring.io/libs-release</url>
</repository>
<repository>
<id>neo4j</id>
<name>Neo4j</name>
<url>http://m2.neo4j.org/</url>
</repository>
</repositories>
</project>
我的代理设置的settings.xml如下所示
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
http://maven.apache.org/xsd/settings-1.0.0.xsd">
<localRepository/>
<interactiveMode/>
<usePluginRegistry/>
<offline/>
<pluginGroups/>
<servers/>
<mirrors/>
<proxies>
<proxy>
<active>true</active>
<protocol>http</protocol>
<host>proxyurl</host>
<port>8080</port>
<username>username</username>
<password>password</password>
<nonProxyHosts>www.google.com|*.somewhere.com</nonProxyHosts>
</proxy>
</proxies>
<profiles/>
<activeProfiles/>
</settings>