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Maven 无法编译具有依赖项的项目

[英]Maven cannot compile project with dependency

 原文  2021-06-08 18:37:56  1   2    java/ maven

问题描述

我有个问题。 我创建了 2 个 maven 项目并将这两个文件夹复制到我的 Ubuntu 服务器。 当我想mvn package程序 A 时，其中包含项目 B（模拟器）的依赖项：

<dependency>
  <groupId>com.simulator</groupId>
  <artifactId>simulator</artifactId>
  <version>1.0-SNAPSHOT</version>
</dependency>

它说：

[ERROR] Failed to execute goal on project hatop: Could not resolve dependencies                                                                             for project com.hatop:hatop:jar:1.0-SNAPSHOT: Could not find artifact com.simula                                                                            tor:simulator:jar:1.0-SNAPSHOT -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal o                                                                            n project hatop: Could not resolve dependencies for project com.hatop:hatop:jar:                                                                            1.0-SNAPSHOT: Could not find artifact com.simulator:simulator:jar:1.0-SNAPSHOT
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDepend                                                                            encies (LifecycleDependencyResolver.java:269)
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolvePr                                                                            ojectDependencies (LifecycleDependencyResolver.java:147)
    at org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreRes                                                                            olved (MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreaded                                                                            Builder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleSt                                                                            arter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccesso                                                                            rImpl.java:64)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMetho                                                                            dAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:564)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launche                                                                            r.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:2                                                                            25)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launc                                                                            her.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347                                                                            )
Caused by: org.apache.maven.project.DependencyResolutionException: Could not res                                                                            olve dependencies for project com.hatop:hatop:jar:1.0-SNAPSHOT: Could not find a                                                                            rtifact com.simulator:simulator:jar:1.0-SNAPSHOT
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve (Defa                                                                            ultProjectDependenciesResolver.java:209)
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDepend                                                                            encies (LifecycleDependencyResolver.java:243)
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolvePr                                                                            ojectDependencies (LifecycleDependencyResolver.java:147)
    at org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreRes                                                                            olved (MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreaded                                                                            Builder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleSt                                                                            arter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccesso                                                                            rImpl.java:64)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMetho                                                                            dAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:564)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launche                                                                            r.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:2                                                                            25)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launc                                                                            her.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347                                                                            )
Caused by: org.eclipse.aether.resolution.DependencyResolutionException: Could no                                                                            t find artifact com.simulator:simulator:jar:1.0-SNAPSHOT
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependenc                                                                            ies (DefaultRepositorySystem.java:357)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve (Defa                                                                            ultProjectDependenciesResolver.java:202)
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDepend                                                                            encies (LifecycleDependencyResolver.java:243)
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolvePr                                                                            ojectDependencies (LifecycleDependencyResolver.java:147)
    at org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreRes                                                                            olved (MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreaded                                                                            Builder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleSt                                                                            arter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccesso                                                                            rImpl.java:64)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMetho                                                                            dAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:564)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launche                                                                            r.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:2                                                                            25)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launc                                                                            her.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347                                                                            )
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not                                                                             find artifact com.simulator:simulator:jar:1.0-SNAPSHOT
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (Default                                                                            ArtifactResolver.java:424)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts                                                                             (DefaultArtifactResolver.java:229)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependenc                                                                            ies (DefaultRepositorySystem.java:340)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve (Defa                                                                            ultProjectDependenciesResolver.java:202)
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDepend                                                                            encies (LifecycleDependencyResolver.java:243)
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolvePr                                                                            ojectDependencies (LifecycleDependencyResolver.java:147)
    at org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreRes                                                                            olved (MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreaded                                                                            Builder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleSt                                                                            arter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccesso                                                                            rImpl.java:64)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMetho                                                                            dAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:564)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launche                                                                            r.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:2                                                                            25)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launc                                                                            her.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347                                                                            )
Caused by: org.eclipse.aether.transfer.ArtifactNotFoundException: Could not find                                                                             artifact com.simulator:simulator:jar:1.0-SNAPSHOT
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve (Default                                                                            ArtifactResolver.java:414)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts                                                                             (DefaultArtifactResolver.java:229)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependenc                                                                            ies (DefaultRepositorySystem.java:340)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve (Defa                                                                            ultProjectDependenciesResolver.java:202)
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDepend                                                                            encies (LifecycleDependencyResolver.java:243)
    at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolvePr                                                                            ojectDependencies (LifecycleDependencyResolver.java:147)
    at org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreRes                                                                            olved (MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.ja                                                                            va:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (                                                                            LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreaded                                                                            Builder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleSt                                                                            arter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccesso                                                                            rImpl.java:64)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMetho                                                                            dAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:564)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launche                                                                            r.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:2                                                                            25)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launc                                                                            her.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347                                                                            )

我已经打包了模拟器项目，所以package的目标文件夹中有一个.jar文件。 在我的 windows 桌面上以可视代码运行它可以正常工作，并且项目已打包。 是什么原因造成的，我该如何解决？

2 个解决方案

解决方案1
 1 已采纳  2021-06-08 18:47:05

您需要首先在依赖项上运行mvn install 。

解决方案2
 1  2021-06-08 18:50:39

运行mvn package仅在此项目的target文件夹中生成 JAR。

但是，为了能够通过依赖机制在另一个项目上使用这个 JAR，您需要放在 Maven 期望它的地方：它被称为 Z9115C10980645C41313F244AC1A377F。

例如，您在$HOME/.m2/repository中有一个本地 Maven 存储库。 还有一些远程存储库（Maven Central），例如可以使用公共库。

因此，您必须将项目的 JAR 文件放入存储库中。

怎么做？

要将其发布到本地存储库，您只需运行mvn install而不是mvn package 。

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