[SLIDER-1088] Slider client getting UnknownHost exception trying to RPC to AM in different subdomain

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Slider 0.90.2
• Fix Version/s: Slider 0.91
• Component/s: appmaster, client
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 19/Feb/16 21:27
• Updated: 16/Mar/16 20:58
• Resolved: 19/Feb/16 22:27

Description

When you try to issue a call like "slider status" from a domain other than that in which the cluster is, you get to see a stack trace

ERROR main.ServiceLauncher - Exception: Invalid host name: local host is: (unknown); destination host is: "wn1-slider":1024; java.net.UnknownHostException; For more details see:  http://wiki.apache.org/hadoop/UnknownHost
java.net.UnknownHostException: Invalid host name: local host is: (unknown); destination host is: "wn1-slider":1024; java.net.UnknownHostException; For more details see:  http://wiki.apache.org/hadoop/UnknownHost
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 at java.lang.reflect.Constructor.newInstance(Constructor.java:526)


...

 org.apache.slider.server.appmaster.rpc.SliderClusterProtocolProxy.getJSONClusterStatus(SliderClusterProtocolProxy.java:129)
 at org.apache.slider.client.ipc.SliderClusterOperations.getClusterDescription(SliderClusterOperations.java:143)
 at org.apache.slider.client.SliderClient.getClusterDescription(SliderClient.java:3342)