【问题描述】：

Started by user admin hudson.plugins.git.GitException: Command "git fetch --tags --force --progress --prune -- origin +refs/heads/master:refs/remotes/origin/master" returned status code 128: stdout: stderr: remote: HTTP Basic: Access denied fatal: Authentication failed for ​​https://www.test.com​​

at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2671)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2096)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$500(CliGitAPIImpl.java:84)
at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:618)
at jenkins.plugins.git.GitSCMFileSystem$BuilderImpl.build(GitSCMFileSystem.java:366)
at jenkins.scm.api.SCMFileSystem.of(SCMFileSystem.java:197)
at jenkins.scm.api.SCMFileSystem.of(SCMFileSystem.java:173)
at org.jenkinsci.plugins.workflow.cps.CpsScmFlowDefinition.create(CpsScmFlowDefinition.java:114)
at org.jenkinsci.plugins.workflow.cps.CpsScmFlowDefinition.create(CpsScmFlowDefinition.java:68)
at org.jenkinsci.plugins.workflow.job.WorkflowRun.run(WorkflowRun.java:309)
at hudson.model.ResourceController.execute(ResourceController.java:99)
at hudson.model.Executor.run(Executor.java:432)

Finished: FAILURE

【排查分析】：从报错来看是因为连接不到git导致

【解决方法】：git仓库的用户名和密码不正确，比如是否修改过密码。