這兩天在搭建Jenkins環境，在構建新job時報ERROR: Error fetching remote repo 'origin'，具體錯誤如下：
Started by user wupan
Building in workspace /root/.jenkins/workspace/deploy
> git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
> git config remote.origin.url {url} # timeout=10
Fetching upstream changes from {url}
> git --version # timeout=10
using GIT_ASKPASS to set credentials
> git fetch --tags --progress {url} +refs/heads/*:refs/remotes/origin/*
ERROR: Timeout after 10 minutes
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from {url}
at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:888)
at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1155)
at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1186)
at hudson.scm.SCM.checkout(SCM.java:504)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1208)
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:574)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:499)
at hudson.model.Run.execute(Run.java:1727)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:97)
at hudson.model.Executor.run(Executor.java:429)
Caused by: hudson.plugins.git.GitException: Command "git fetch --tags --progress {url} +refs/heads/*:refs/remotes/origin/*" returned status code 128:
stdout:
stderr: remote: Counting objects: 62, done.
remote: Compressing objects: 4% (1/23)
remote: Compressing objects: 8% (2/23)
remote: Compressing objects: 13% (3/23)
remote: Compressing objects: 17% (4/23)
remote: Compressing objects: 21% (5/23)
remote: Compressing objects: 26% (6/23)
remote: Compressing objects: 30% (7/23)
remote: Compressing objects: 34% (8/23)
remote: Compressing objects: 39% (9/23)
remote: Compressing objects: 43% (10/23)
remote: Compressing objects: 47% (11/23)
remote: Compressing objects: 52% (12/23)
remote: Compressing objects: 56% (13/23)
remote: Compressing objects: 60% (14/23)
remote: Compressing objects: 65% (15/23)
remote: Compressing objects: 69% (16/23)
remote: Compressing objects: 73% (17/23)
remote: Compressing objects: 78% (18/23)
remote: Compressing objects: 82% (19/23)
remote: Compressing objects: 86% (20/23)
remote: Compressing objects: 91% (21/23)
remote: Compressing objects: 95% (22/23)
remote: Compressing objects: 100% (23/23)
remote: Compressing objects: 100% (23/23), done.
error: unpack-objects died of signal 15
fatal: unpack-objects failed
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2002)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1721)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$300(CliGitAPIImpl.java:72)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:405)
at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:886)
... 11 more
ERROR: Error fetching remote repo 'origin'
Finished: FAILURE
遇到問題后，開始了漫長的百度，有網友提供了下面幾個解決的思路。
解決思路：
1、第一時間發現應該是權限問題，那么可以切換成git協議或者https的協議去獲取。
2、如果不是協議的問題，看是不是git的路徑錯了導致的，再次配置節點的機器上的git路徑。
3、如果是linux的機器，就要去確定是不是SSH的key導致的，而且用ssh去連接git，那么就要去配置ssh的key，這一點比較復雜也很重要。
解決方案：
一、權限問題導致
1、配置Jenkins的Git環境
Name：Git用戶名，我配置的是GitHub的用戶名，大家可以試試其他的
Path to Git executable：Git安裝路徑（Linux命令:which git、windows 命令: where git）
2、把私鑰拷貝到git配置中
在源碼管理中，點擊Add，添加秘鑰
Repository URL：git代碼地址
Credentials：秘鑰
Kind：選擇SSH Username with private key
Username：隨便填寫
Private Key：選擇Enter directly
Key：系統生成的git id_rsa中的Key
2）輸入完成后點擊保存，源碼管理中填寫
Repository URL：git代碼地址
Credentials：秘鑰（選擇剛才填寫的UserName）
3）點擊保存，重新構建Job，結果成功
二、將url改成http://用戶名:密碼@ip/的格式，git配置改成不使用密碼（網友提供色解決方案未嘗試，大家可以去試試）
如果有問題，可以在下面評論，謝謝