mvn -v报java.lang.UnsupportedClassVersionError: org/apache/maven/cli/MavenCli

Maven版本冲突解决
本文介绍了一个关于Maven使用过程中出现的UnsupportedClassVersionError错误及其解决办法。该问题源于Maven本地仓库路径设置不当,通过调整settings.xml文件中的localRepository配置可以解决此问题。

今天,在使用maven时,命令提示符中输入:mvn -v,如果报“Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/maven/cli/MavenCli : Unsupported major.minor version 51.0”的错误;一开始,我以为是是由于版本不兼容造成的;两个服务器的版本是一模一样的啊!我无意中看了一下maven的安装目录,呵呵,原来在新服务中多加了一层目录,将settings.xml中的<localRepository>E:\XX\apache-maven-3.3.9\repository</localRepository>目录修改一下就好了!


PS D:\OpenRefine-3.9.5-src\OpenRefine-3.9.5\extensions\database> mvn clean D:\OpenRefine-3.9.5-src\OpenRefine-3.9.5\extensions\database>set JAVA_HOME=C:\Zulu\zulu-21\ [INFO] Scanning for projects... [WARNING] The POM for org.sonatype.plugins:nexus-staging-maven-plugin:jar:1.7.0 is missing, no dependency information available [INFO] Inspecting build with total of 1 modules... --------------------------------------------------- constituent[0]: file:/D:/apache-maven-3.9.9/conf/logging/ constituent[1]: file:/D:/apache-maven-3.9.9/lib/aopalliance-1.0.jar constituent[2]: file:/D:/apache-maven-3.9.9/lib/asm-9.8.jar constituent[3]: file:/D:/apache-maven-3.9.9/lib/commons-cli-1.9.0.jar constituent[4]: file:/D:/apache-maven-3.9.9/lib/commons-codec-1.18.0.jar constituent[5]: file:/D:/apache-maven-3.9.9/lib/error_prone_annotations-2.38.0.jar constituent[6]: file:/D:/apache-maven-3.9.9/lib/failureaccess-1.0.3.jar constituent[7]: file:/D:/apache-maven-3.9.9/lib/gson-2.13.1.jar constituent[8]: file:/D:/apache-maven-3.9.9/lib/guava-33.4.8-jre.jar constituent[9]: file:/D:/apache-maven-3.9.9/lib/guice-5.1.0-classes.jar constituent[10]: file:/D:/apache-maven-3.9.9/lib/httpclient-4.5.14.jar constituent[11]: file:/D:/apache-maven-3.9.9/lib/httpcore-4.4.16.jar constituent[12]: file:/D:/apache-maven-3.9.9/lib/jansi-2.4.2.jar constituent[13]: file:/D:/apache-maven-3.9.9/lib/javax.annotation-api-1.3.2.jar constituent[14]: file:/D:/apache-maven-3.9.9/lib/javax.inject-1.jar constituent[15]: file:/D:/apache-maven-3.9.9/lib/jcl-over-slf4j-1.7.36.jar constituent[16]: file:/D:/apache-maven-3.9.9/lib/jspecify-1.0.0.jar constituent[17]: file:/D:/apache-maven-3.9.9/lib/maven-artifact-3.9.11.jar constituent[18]: file:/D:/apache-maven-3.9.9/lib/maven-builder-support-3.9.11.jar constituent[19]: file:/D:/apache-maven-3.9.9/lib/maven-compat-3.9.11.jar constituent[20]: file:/D:/apache-maven-3.9.9/lib/maven-core-3.9.11.jar constituent[21]: file:/D:/apache-maven-3.9.9/lib/maven-embedder-3.9.11.jar constituent[22]: file:/D:/apache-maven-3.9.9/lib/maven-model-3.9.11.jar constituent[23]: file:/D:/apache-maven-3.9.9/lib/maven-model-builder-3.9.11.jar constituent[24]: file:/D:/apache-maven-3.9.9/lib/maven-plugin-api-3.9.11.jar constituent[25]: file:/D:/apache-maven-3.9.9/lib/maven-repository-metadata-3.9.11.jar constituent[26]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-api-1.9.24.jar constituent[27]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-connector-basic-1.9.24.jar constituent[28]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-impl-1.9.24.jar constituent[29]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-named-locks-1.9.24.jar constituent[30]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-provider-3.9.11.jar constituent[31]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-spi-1.9.24.jar constituent[32]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-transport-file-1.9.24.jar constituent[33]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-transport-http-1.9.24.jar constituent[34]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-transport-wagon-1.9.24.jar constituent[35]: file:/D:/apache-maven-3.9.9/lib/maven-resolver-util-1.9.24.jar constituent[36]: file:/D:/apache-maven-3.9.9/lib/maven-settings-3.9.11.jar constituent[37]: file:/D:/apache-maven-3.9.9/lib/maven-settings-builder-3.9.11.jar constituent[38]: file:/D:/apache-maven-3.9.9/lib/maven-shared-utils-3.4.2.jar constituent[39]: file:/D:/apache-maven-3.9.9/lib/maven-slf4j-provider-3.9.11.jar constituent[40]: file:/D:/apache-maven-3.9.9/lib/org.eclipse.sisu.inject-0.9.0.M4.jar constituent[41]: file:/D:/apache-maven-3.9.9/lib/org.eclipse.sisu.plexus-0.9.0.M4.jar constituent[42]: file:/D:/apache-maven-3.9.9/lib/plexus-cipher-2.0.jar constituent[43]: file:/D:/apache-maven-3.9.9/lib/plexus-component-annotations-2.2.0.jar constituent[44]: file:/D:/apache-maven-3.9.9/lib/plexus-interpolation-1.28.jar constituent[45]: file:/D:/apache-maven-3.9.9/lib/plexus-sec-dispatcher-2.0.jar constituent[46]: file:/D:/apache-maven-3.9.9/lib/plexus-utils-3.6.0.jar constituent[47]: file:/D:/apache-maven-3.9.9/lib/slf4j-api-1.7.36.jar constituent[48]: file:/D:/apache-maven-3.9.9/lib/wagon-file-3.5.3.jar constituent[49]: file:/D:/apache-maven-3.9.9/lib/wagon-http-3.5.3.jar constituent[50]: file:/D:/apache-maven-3.9.9/lib/wagon-http-shared-3.5.3.jar constituent[51]: file:/D:/apache-maven-3.9.9/lib/wagon-provider-api-3.5.3.jar --------------------------------------------------- Exception in thread "main" java.lang.NoClassDefFoundError: com/google/common/base/Strings at org.sonatype.nexus.maven.staging.deploy.DeployLifecycleParticipant.getPluginByGAFromContainer(DeployLifecycleParticipant.java:238) at org.sonatype.nexus.maven.staging.deploy.DeployLifecycleParticipant.getNexusMavenPluginFromContainer(DeployLifecycleParticipant.java:182) at org.sonatype.nexus.maven.staging.deploy.DeployLifecycleParticipant.getBuildPluginsNexusMavenPlugin(DeployLifecycleParticipant.java:163) at org.sonatype.nexus.maven.staging.deploy.DeployLifecycleParticipant.afterProjectsRead(DeployLifecycleParticipant.java:95) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:223) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:173) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:101) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:906) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:283) at org.apache.maven.cli.MavenCli.main(MavenCli.java:206) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:255) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:201) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:361) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:314) Caused by: java.lang.ClassNotFoundException: com.google.common.base.Strings at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42) at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:225) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:210) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:205) ... 16 more
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