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https://issues.apache.org/jira/browse/RANGER-1280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Qiang Zhang updated RANGER-1280:
--------------------------------
    Description: 
I failed to run the ranger-admin command and couldn't find any error messages 
in log file after set 
ranger.service.http.connector.attrib.maxHeaderCount=aa(string value) in 
ranger-admin-site.xml file. I analyzed the source codes and found the reason.
I found there are two questions after check the source codes in 
EmbeddedServer.java.
1. No exception pop out when called Integer.parseInt() and Long.parseLong() 
function. Once abnormal, the program aborted directly without log.
2. The catch captures anomaly without log in the loadConfig function. It only 
calls e.printStackTrace() function.

Currently the program will be aborted when the exception occured. We should get 
the default value instead of aborted.

We have tested our patch strictly.

  was:
I failed to run the ranger-admin command and couldn't find any error messages 
in log file after set 
ranger.service.http.connector.attrib.maxHeaderCount=aa(string value) in 
ranger-admin-site.xml file. I analyzed the source codes and found the reason.
I found there are two questions after check the source codes in 
EmbeddedServer.java.
1. No exception pop out when called Integer.parseInt() and Long.parseLong() 
function. Once abnormal, the program aborted directly without log.
2. The catch captures anomaly without log in the loadConfig function. It only 
calls e.printStackTrace() function.

Currently the program will be aborted when the exception occured. We should get 
the default value instead of aborted.

We have strict tested our patch.


> Currently the ranger-admin will be aborted when the exception occured. We 
> should get the default value instead of aborted.
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: RANGER-1280
>                 URL: https://issues.apache.org/jira/browse/RANGER-1280
>             Project: Ranger
>          Issue Type: Bug
>          Components: admin
>            Reporter: Qiang Zhang
>            Assignee: Qiang Zhang
>              Labels: patch
>
> I failed to run the ranger-admin command and couldn't find any error messages 
> in log file after set 
> ranger.service.http.connector.attrib.maxHeaderCount=aa(string value) in 
> ranger-admin-site.xml file. I analyzed the source codes and found the reason.
> I found there are two questions after check the source codes in 
> EmbeddedServer.java.
> 1. No exception pop out when called Integer.parseInt() and Long.parseLong() 
> function. Once abnormal, the program aborted directly without log.
> 2. The catch captures anomaly without log in the loadConfig function. It only 
> calls e.printStackTrace() function.
> Currently the program will be aborted when the exception occured. We should 
> get the default value instead of aborted.
> We have tested our patch strictly.



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