https://community.splunk.com/t5/Deployment-Architecture/Anyone-else-having-problem-with-a-6-3-0-search-head-cluster/m-p/249366#M9403 <P>The moment I upgraded I started getting:</P> <PRE><CODE>The searchhead is unable to update the peer information. Error = 'failed method=POST path=/services/cluster/master/generation/..../?output_mode=json master=...:8089 rv=0 actual_response_code=400 expected_response_code=200 status_line=Bad Request error=No error' for master=https://...:8089 </CODE></PRE> <P>The cluster master is giving the following:</P> <PRE><CODE>09-29-2015 19:33:23.050 +0000 ERROR AdminManager - Argument "host" is not supported by this handler. </CODE></PRE> <P>Anyone else seeing this?</P> Tue, 29 Sep 2015 20:49:15 GMT wlth09 2015-09-29T20:49:15Z https://community.splunk.com/t5/Deployment-Architecture/Anyone-else-having-problem-with-a-6-3-0-search-head-cluster/m-p/249366#M9403 <P>The moment I upgraded I started getting:</P> <PRE><CODE>The searchhead is unable to update the peer information. Error = 'failed method=POST path=/services/cluster/master/generation/..../?output_mode=json master=...:8089 rv=0 actual_response_code=400 expected_response_code=200 status_line=Bad Request error=No error' for master=https://...:8089 </CODE></PRE> <P>The cluster master is giving the following:</P> <PRE><CODE>09-29-2015 19:33:23.050 +0000 ERROR AdminManager - Argument "host" is not supported by this handler. </CODE></PRE> <P>Anyone else seeing this?</P> Tue, 29 Sep 2015 20:49:15 GMT https://community.splunk.com/t5/Deployment-Architecture/Anyone-else-having-problem-with-a-6-3-0-search-head-cluster/m-p/249366#M9403 wlth09 2015-09-29T20:49:15Z https://community.splunk.com/t5/Deployment-Architecture/Anyone-else-having-problem-with-a-6-3-0-search-head-cluster/m-p/249367#M9404 <P>The pper nodes and search heads must run on the same or lower version than the master node of the index cluster<BR /> see also <A href="http://docs.splunk.com/Documentation/Splunk/6.3.0/Indexer/Systemrequirements#Splunk_Enterprise_version_compatibility">http://docs.splunk.com/Documentation/Splunk/6.3.0/Indexer/Systemrequirements#Splunk_Enterprise_version_compatibility</A></P> Thu, 01 Oct 2015 12:46:39 GMT https://community.splunk.com/t5/Deployment-Architecture/Anyone-else-having-problem-with-a-6-3-0-search-head-cluster/m-p/249367#M9404 glentes 2015-10-01T12:46:39Z