Jenkins git plugin SSL验证修复_10:43:39 10:43:39 at org.jenkinsci.plugins.gitclie

最近在将Jenkins内部使用的git和git client两个plugin分别升级到2.2(from 1.4), 1.9.1以后，git plugin 用https访问 git repo报错：

> git --version
using GIT_SSH to set credentials 
ERROR: Error cloning remote repo 'origin'
hudson.plugins.git.GitException: com.ibm.jsse2.util.j: PKIX path building failed: java.security.cert.CertPathBuilderException: PKIXCertPathBuilderImpl could not build a valid CertPath.; internal cause is: 
	java.security.cert.CertPathValidatorException: The certificate issued by CN=IBM Internal Root CA, O=International Business Machines Corporation, C=US is not trusted; internal cause is: 
	java.security.cert.CertPathValidatorException: Certificate chaining error
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.checkCredentials(CliGitAPIImpl.java:1982)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1143)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$200(CliGitAPIImpl.java:87)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:257)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$2.execute(CliGitAPIImpl.java:413)
	at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:153)
	at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:146)
	at hudson.remoting.UserRequest.perform(UserRequest.java:118)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)