Sumit Mohanty created AMBARI-2267:
-------------------------------------
Summary: BE does not handle empty version numbers from agent
properly
Key: AMBARI-2267
URL: https://issues.apache.org/jira/browse/AMBARI-2267
Project: Ambari
Issue Type: Bug
Components: controller
Affects Versions: 1.2.4
Reporter: Sumit Mohanty
Assignee: Sumit Mohanty
Fix For: 1.2.4
When agent does not send a properly formatted version number (or empty) the
error reported is:
{code}
16:28:23,253 WARN ServletHandler:514 -
/agent/v1/register/ab6-hddn-lab-01.corp.ads
java.lang.IllegalArgumentException: version2 cannot be null or empty
at
org.apache.ambari.server.utils.VersionUtils.compareVersions(VersionUtils.java:40)
at
org.apache.ambari.server.utils.VersionUtils.areVersionsEqual(VersionUtils.java:86)
at
org.apache.ambari.server.utils.VersionUtils.areVersionsCompatible(VersionUtils.java:99)
at
org.apache.ambari.server.agent.HeartBeatHandler.handleRegistration(HeartBeatHandler.java:395)
at
org.apache.ambari.server.agent.rest.AgentResource.register(AgentResource.java:81)
at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
{code}
The above log does not make it easy to debug the problem. We need to make the
following improvements:
* Have the error logged as ERROR and not Warning
* Handle the error gracefully with a proper message
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