如果使用window系统使用ssh远程连接自动部署war包，会报如下错误，换为liunx系统后可以了。

Could not find ssh-agent: IOException: Cannot run program "ssh-agent": CreateProcess error=2, 系统找不到指定的文件。
Check if ssh-agent is installed and in PATH
[ssh-agent] FATAL: Could not find a suitable ssh-agent provider
[ssh-agent] Diagnostic report
FATAL: [ssh-agent] Unable to start agent
java.lang.RuntimeException: [ssh-agent] Could not find a suitable ssh-agent provider.
	at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper$SSHAgentEnvironment.<init>(SSHAgentBuildWrapper.java:388)
	at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper.createSSHAgentEnvironment(SSHAgentBuildWrapper.java:251)
Caused: hudson.util.IOException2: [ssh-agent] Unable to start agent
	at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper.createSSHAgentEnvironment(SSHAgentBuildWrapper.java:258)
	at com.cloudbees.jenkins.plugins.sshagent.SSHAgentBuildWrapper.preCheckout(SSHAgentBuildWrapper.java:228)
	at jenkins.scm.SCMCheckoutStrategy.preCheckout(SCMCheckoutStrategy.java:76)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:498)
	at hudson.model.Run.execute(Run.java:1856)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:543)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:428)
Finished: FAILURE