2017-04-26 13:54:00,739 [main     ] INFO  go.agent.launcher.ServerBinaryDownloader:135 - Response code: 500
2017-04-26 13:54:00,740 [main     ] ERROR go.agent.launcher.ServerBinaryDownloader:81 - Couldn't update admin/agent-plugins.zip. Sleeping for 1m. Error:
org.apache.http.client.ClientProtocolException: Problem accessing server at https://172.27.102.3:8154/go/admin/agent-plugins.zip
Few Possible Causes:
1. Your Go Server is down or not accessible.
2. This agent might be incompatible with your Go Server. Please fix the version mismatch between Go Server and Go Agent.

	at com.thoughtworks.go.agent.launcher.ServerBinaryDownloader.handleInvalidResponse(ServerBinaryDownloader.java:140)
	at com.thoughtworks.go.agent.launcher.ServerBinaryDownloader.fetchUpdateCheckHeaders(ServerBinaryDownloader.java:100)
	at com.thoughtworks.go.agent.launcher.ServerBinaryDownloader.downloadIfNecessary(ServerBinaryDownloader.java:73)
	at com.thoughtworks.go.agent.AgentProcessParentImpl.run(AgentProcessParentImpl.java:64)
	at com.thoughtworks.go.agent.launcher.AgentLauncherImpl$AgentJarBasedAgentParentRunner.run(AgentLauncherImpl.java:140)
	at com.thoughtworks.go.agent.launcher.AgentLauncherImpl.launch(AgentLauncherImpl.java:86)
	at com.thoughtworks.go.agent.bootstrapper.AgentBootstrapper.go(AgentBootstrapper.java:81)
	at com.thoughtworks.go.agent.bootstrapper.AgentBootstrapper.main(AgentBootstrapper.java:62)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.simontuffs.onejar.Boot.run(Boot.java:306)
	at com.simontuffs.onejar.Boot.main(Boot.java:159)
2017-04-26 13:55:00,795 [main     ] INFO  go.agent.launcher.ServerBinaryDownloader:135 - Response code: 500