Hi Theyaa,

Change the size of gateway.httpserver.requestHeaderBuffer property.  I think 
the default is 8912  (8k) change to 16384. See if that helps.

For the second problem Request is a replay (34))] this message is often seen 
when the timing of one of the servers is off.  Make sure you use NTPD on all 
servers and they are all in sync.  If everything is in sync you can work around 
this issue by turning off krb5 replay cache. With the following parameter
-Dsun.security.krb5.rcache=none

dav


On 10/9/18, 9:01 AM, "Theyaa Matti" <theyaama...@gmail.com> wrote:

    Hi,
       I am getting this error message "WARN HttpParser: Header is too large
    >8192" when trying to access the spark history ui through knox. Any idea
    please?
    
    Also when trying to load the executors page, I get : GSS initiate failed
    [Caused by GSSException: Failure unspecified at GSS-API level (Mechanism 
level:
    Request is a replay (34))]
    
    when knox is requesting executorspage-template.html
    
    appreciate any help here.
    

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