Unable to update index for central|http://repo1.maven.org/maven2

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#maven

文章详细介绍了MyEclipse8.5打开后出现错误log的解决方案，包括错误信息解读和具体操作步骤，帮助开发者解决无法正常打开软件的问题。

myeclipse8.5打开后怎么就突然出问题了！Error log里面报了很多错，最前面的一句就是Unable to update index for central|http://repo1.maven.org/maven2 。

参考：http://www.24xuexi.com/w/2011-05-07/89513.html

        http://blog.youkuaiyun.com/wangjian5748/article/details/5373699

联通网络环境下无法访问http://repo1.maven.org/maven2/中央库解决，镜像库添加
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Maven 2的安装和使用虽然不是一点即用，但也不是很复杂。然而，这两天我新装Maven，刚刚过了mvn -version，尝试create maven project就出问题了。问题详情如下。发现联通宽带屏蔽了中央库http://repo1.maven.org/maven2/ 域名IP地址，搞不懂是怎么想的...电信可以正常访问。 D:\mavenSample>mvn archetype...
解决maven Unable to update index for central|http://repo1.maven.org/maven2 的问题
qq_41231886的博客
07-22 2009
新配置了一个maven的环境，远程仓库默认为maven官网的，然后发现在myeclipse里用maven搜索jar包时，一个都搜不到，于是开始找原因，试了各种办法，还是不行。 后来查了一下maven需要在update index之后才能帮助我们自动搜索jar包。 解决办法，手动update index： 1、首先手动去官网下载这两个文件， http://repo1.maven.org/maven2...
解决eclipse安装maven的问题:Unable to update index for central|http://repo1.maven.org/maven2
wugang8023的专栏
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问题产生如下： 因为单位使用了过滤，访问Internet时，超过10M的内容就拒绝。 因为maven插件在初始时，需要下载Maven的index文件，这个文件比较大，有38M多，下载不成功。 所以造成使用Maven添加依赖项时（Add Dependency）时，没有提示项目可用，并且在Console中，输出： Unable to update index for central|http:
Unable to update index for central http://repo1.maven.org/maven2/ 解决方法
itmyhome的专栏
09-30 3599
不知道什么原因 MyEclipse(eclipse) 中的 maven 插件突然不能用了，修改 pom.xml 无任何反应 控制台报 Unable to update index for central http://repo1.maven.org/maven2/ 错误 搜索到一些文章 cnblogs，iteye，差不多都是出自同一人之手然后到处转载，看着挺复杂的，也没试验。 在stacko
解决Unable to update index for central|http://repo1.maven.org/maven2错误
u013899975的专栏
07-02 2443
今天学习maven 在测试时遇到了Unable to update index for central|http://repo1.maven.org/maven2这个错误，之前的一些测试都是好使的呀！！！突然出现的错误，我真是我不知道这是一个什么错误，在百度上找了一些资料说是index的问下没有下载下来，可能是某一次下载是出了错误，也看了一些人的方法，有配置代理的有更改设置的，我都试了试，反正
解决MyEclipse的Unable to update index for central|http://repo1.maven.org/maven2问题
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jiangxindu1的专栏
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今天初次接触maven，就是在MyEclipse中建立maven工程，但是在建立好以后，就出现了这个问题：Unable to update index for central|http://repo1.maven.org/maven2。找了很多的资料，最终解决了，具体的方法如下： 第一步： 打开Window => Preferences => Myeclipse => Maven4Myecli
彻底解决m2eclipse之Unable to update index for central | http://repo1.maven.org/maven2
ZLHRoar的专栏
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maven是个好东西，eclipse上的maven插件m2eclipse也非常方便，但是最近这个东西经常无法连接到maven index的更新网站，然后eclipse就很无奈的出现提示out of momery... google了下，发现大片的相同问题，但是解决方案就大都比较 而且有个解决方法被无数人转载——直接禁用maven index的自动更新。。。 好吧，我知道不用maven的人很多。。...
maven Unable to update index for central|http://repo1.maven.org/maven2
zhaotengfei36520的专栏
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Unable to update index for central http://repo1.maven.org/maven2/怎么解决
06-03
1. 检查网络连接是否正常，确保能够访问http://repo1.maven.org/maven2/。 2. 尝试使用其他的Maven镜像源，例如阿里云镜像、华为云镜像等。可以在Maven的settings.xml配置文件中进行配置。 3. 清除本地Maven仓库中的...
Unable to update index for central http://repo1.maven.org/maven2/
06-05
这个问题通常是由于 Maven 无法连接到 Maven Central Repository 导致的。可能是由于网络问题或 Maven 配置不正确引起的。你可以尝试以下解决方案： 1. 检查你的网络连接，确保可以访问 Maven Central Repository。...
[WARNING] [WARNING] Some problems were encountered while building the effective settings [WARNING] Unrecognised tag: 'mirror' (position: START_TAG seen ...<!-- \u963f\u91cc\u4e91\u955c\u50cf -->\n <mirror>... @162:11) @ D:\JavaMaven\apache-maven-3.9.11\conf\settings.xml, line 162, column 11 [WARNING] [INFO] Scanning for projects... Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-plugin/3.2.0/maven-clean-plugin-3.2.0.pom [WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-clean-plugin:3.2.0: Plugin org.apache.maven.plugins:maven-clean-plugin:3.2.0 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven.plugins:maven-clean-plugin:pom:3.2.0 (absent): Could not transfer artifact org.apache.maven.plugins:maven-clean-plugin:pom:3.2.0 from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-install-plugin/3.1.2/maven-install-plugin-3.1.2.pom [WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-install-plugin:3.1.2: Plugin org.apache.maven.plugins:maven-install-plugin:3.1.2 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven.plugins:maven-install-plugin:pom:3.1.2 (absent): Could not transfer artifact org.apache.maven.plugins:maven-install-plugin:pom:3.1.2 from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-deploy-plugin/3.1.2/maven-deploy-plugin-3.1.2.pom [WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-deploy-plugin:3.1.2: Plugin org.apache.maven.plugins:maven-deploy-plugin:3.1.2 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven.plugins:maven-deploy-plugin:pom:3.1.2 (absent): Could not transfer artifact org.apache.maven.plugins:maven-deploy-plugin:pom:3.1.2 from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-site-plugin/3.12.1/maven-site-plugin-3.12.1.pom [WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-site-plugin:3.12.1: Plugin org.apache.maven.plugins:maven-site-plugin:3.12.1 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven.plugins:maven-site-plugin:pom:3.12.1 (absent): Could not transfer artifact org.apache.maven.plugins:maven-site-plugin:pom:3.12.1 from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-antrun-plugin/3.1.0/maven-antrun-plugin-3.1.0.pom [WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-antrun-plugin:3.1.0: Plugin org.apache.maven.plugins:maven-antrun-plugin:3.1.0 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven.plugins:maven-antrun-plugin:pom:3.1.0 (absent): Could not transfer artifact org.apache.maven.plugins:maven-antrun-plugin:pom:3.1.0 from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-assembly-plugin/3.7.1/maven-assembly-plugin-3.7.1.pom [WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-assembly-plugin:3.7.1: Plugin org.apache.maven.plugins:maven-assembly-plugin:3.7.1 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven.plugins:maven-assembly-plugin:pom:3.7.1 (absent): Could not transfer artifact org.apache.maven.plugins:maven-assembly-plugin:pom:3.7.1 from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-dependency-plugin/3.7.0/maven-dependency-plugin-3.7.0.pom [WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-dependency-plugin:3.7.0: Plugin org.apache.maven.plugins:maven-dependency-plugin:3.7.0 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven.plugins:maven-dependency-plugin:pom:3.7.0 (absent): Could not transfer artifact org.apache.maven.plugins:maven-dependency-plugin:pom:3.7.0 from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-release-plugin/3.0.1/maven-release-plugin-3.0.1.pom [WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-release-plugin:3.0.1: Plugin org.apache.maven.plugins:maven-release-plugin:3.0.1 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven.plugins:maven-release-plugin:pom:3.0.1 (absent): Could not transfer artifact org.apache.maven.plugins:maven-release-plugin:pom:3.0.1 from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Downloading from central: https://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadata.xml Downloading from central: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-metadata.xml [WARNING] Could not transfer metadata org.apache.maven.plugins/maven-metadata.xml from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target [WARNING] Could not transfer metadata org.codehaus.mojo/maven-metadata.xml from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target [WARNING] org.apache.maven.plugins/maven-metadata.xml failed to transfer from https://repo.maven.apache.org/maven2 during a previous attempt. This failure was cached in the local repository and resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer metadata org.apache.maven.plugins/maven-metadata.xml from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target [WARNING] org.codehaus.mojo/maven-metadata.xml failed to transfer from https://repo.maven.apache.org/maven2 during a previous attempt. This failure was cached in the local repository and resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer metadata org.codehaus.mojo/maven-metadata.xml from/to central (https://repo.maven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 4.948 s [INFO] Finished at: 2025-10-23T12:28:49+08:00 [INFO] ------------------------------------------------------------------------ [ERROR] No plugin found for prefix 'help' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (D:\JavaMaven\apache-maven-3.9.11\repo), central (https://repo.maven.apache.org/maven2)] -> [Help 1] [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/NoPluginFoundForPrefixException
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<url>https://repo.maven.apache.org/maven2</url> </repository> </repositories> <id>central</id> <url>https://repo.maven.apache.org/maven2</url> </pluginRepository> </pluginRepositories> ``` 若...
[INFO] User settings file does not exist C:\Users\admin\.m2\settings.xml 6/2/23 8:50:28 PM CST: [INFO] User settings file does not exist C:\Users\admin\.m2\settings.xml 6/2/23 8:50:31 PM CST: Unable to update index for central http://repo1.maven.org/maven2/怎么解决
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这个问题一般是因为 Maven 没有找到用户的 settings.xml 文件所致，可以按以下步骤解决： 1. 确认用户 home 目录下的 .m2 文件夹是否存在... <url>https://maven.aliyun.com/repository/central</url> </mirror> ```
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