Failure to find xxx in 中央仓库

问题描述

，本地仓库有该jar包，但是中央仓库没有该包，mvn编译时一直报如右错误：

Failure to find com.sun:jai_codec:jar:1.1.3 in https://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]。

解决方案

，从本地找到该包位置，本地路径一般为：C:\Users\user\.m2\repository\com\sun\jai_codec\1.1.3 找个文件

_remote.repositories

打开文件看到内容如下：

#NOTE: This is an Aether internal implementation file, its format can be changed without prior notice.
#Thu Nov 22 19:38:11 CST 2018
jai_codec-1.1.3.jar>nexus=

将

nexus

修改为

central：

如下

#NOTE: This is an Aether internal implementation file, its format can be changed without prior notice.
#Thu Nov 22 19:38:11 CST 2018
jai_codec-1.1.3.jar>central=

问题分析

，以上包从第三方仓库下载来的，因为中央仓库没有该jar包，可以访问中央仓库地址

https://repo.maven.apache.org/maven2

查找，从第三方仓库下载来的包在以上文件标记来源为nexus了。

个人猜测，

maven的某种机制，确认你的包是从maven仓库下载下来的才会去本地仓库去找，从其他地方下载的jar包我都不承认其合法性，所以就一直不给通过。以上解决方法其实就是手动修改告诉maven我的jar是合法公民，不用在去中央仓库去找，于是去本地仓库找该jar，如果找不到就再去中央仓库去找。

有更好的答案可以即使分享

以下为错误完整信息：

[ERROR] Failed to execute goal on project xxxx: Could not resolve dependencies for project xxxx: Failure to find com.sun:jai_codec:jar:1.1.3 in https://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 on project xxxx: Could not resolve dependencies for project xxxx: Failure to find com.sun:jai_codec:jar:1.1.3 in https://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.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:220)
        at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:127)
        at org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:257)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:200)
        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:116)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
        at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:355)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:216)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:160)
        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:498)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.project.DependencyResolutionException: Could not resolve dependencies for project xxxx: Failure to find com.sun:jai_codec:jar:1.1.3 in https://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.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:211)
        at org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:195)
        ... 22 more
Caused by: org.eclipse.aether.resolution.DependencyResolutionException: Failure to find com.sun:jai_codec:jar:1.1.3 in https://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.DefaultRepositorySystem.resolveDependencies(DefaultRepositorySystem.java:384)
        at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:205)
        ... 23 more
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Failure to find com.sun:jai_codec:jar:1.1.3 in https://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.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
        at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies(DefaultRepositorySystem.java:367)
        ... 24 more
Caused by: org.eclipse.aether.transfer.ArtifactNotFoundException: Failure to find com.sun:jai_codec:jar:1.1.3 in https://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:231)
        at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkArtifact(DefaultUpdateCheckManager.java:206)
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.gatherDownloads(DefaultArtifactResolver.java:585)
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:503)
        at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
        ... 26 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/DependencyResolutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command

原文链接：https://blog.csdn.net/FU250/article/details/84400426

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