Phil Zampino created KNOX-1288:
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Summary: NPE during service discovery
Key: KNOX-1288
URL: https://issues.apache.org/jira/browse/KNOX-1288
Project: Apache Knox
Issue Type: Bug
Components: Server
Affects Versions: 1.0.0
Reporter: Phil Zampino
Assignee: Phil Zampino
Fix For: 1.1.0
Service discovery throws an unhandled NullPointerException under some
circumstances where there is no config of the needed type.
{code:java}
(DefaultTopologyService.java:onFileChange(885)) - An error occurred while
processing ui.json : java.lang.NullPointerException
java.lang.NullPointerException
at
org.apache.knox.gateway.topology.discovery.ambari.AmbariServiceDiscovery.discover(AmbariServiceDiscovery.java:291)
at
org.apache.knox.gateway.topology.simple.SimpleDescriptorHandler.performDiscovery(SimpleDescriptorHandler.java:208)
at
org.apache.knox.gateway.topology.simple.SimpleDescriptorHandler.handle(SimpleDescriptorHandler.java:116)
at
org.apache.knox.gateway.topology.simple.SimpleDescriptorHandler.handle(SimpleDescriptorHandler.java:98)
at
org.apache.knox.gateway.services.topology.impl.DefaultTopologyService$DescriptorsMonitor.onFileChange(DefaultTopologyService.java:860)
at
org.apache.knox.gateway.services.topology.impl.DefaultTopologyService.init(DefaultTopologyService.java:659)
at
org.apache.knox.gateway.services.DefaultGatewayServices.init(DefaultGatewayServices.java:140)
at org.apache.knox.gateway.GatewayServer.main(GatewayServer.java:153)
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
org.apache.knox.gateway.launcher.Invoker.invokeMainMethod(Invoker.java:70)
at org.apache.knox.gateway.launcher.Invoker.invoke(Invoker.java:39)
at org.apache.knox.gateway.launcher.Command.run(Command.java:99)
at org.apache.knox.gateway.launcher.Launcher.run(Launcher.java:69)
at org.apache.knox.gateway.launcher.Launcher.main(Launcher.java:46)
{code}
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