check_http CRITICAL Name or service no known

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dlukinski
Posts: 1130
Joined: Tue Oct 06, 2015 9:42 am

check_http CRITICAL Name or service no known

Post by dlukinski »

We are getting CRITICAL Name or service not known error for check_http service in one specific case

We are getting it on 3 out of 8 CORE servers (exact same copied CFG files, no DNS resolution issues)
- these are he same CORE servers (templated)
- same configurations except for Name Prefixes

Please review screenshots (Fusion represents the issue we do not understand: 3 out of 8)
- how to troubleshoot this further?
Attachments
Name-or-Service-not-known-3.jpg
Name-or-Service-not-known-2.jpg
Name-or-Service-not-known-1.jpg
npolovenko
Support Tech
Posts: 3457
Joined: Mon May 15, 2017 5:00 pm

Re: check_http CRITICAL Name or service no known

Post by npolovenko »

@dlukinski, So the commands are the same on all 8 Core servers except that the monitored hostnames are different, right?
Have you tried running this command manually from the command line?And you can also add a -v for verbose.

Code: Select all

/usr/local/nagios/libexec/check_http -H ip_address -f follow -I sapoe8acs.konecranes.com -u '/sap/bc/gui/sap/its/webgui?sap-client=100' -p 8181 -v
And, you could try to run this exact command from another core server to see if it fails there as well.
Let us know how it goes.
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dlukinski
Posts: 1130
Joined: Tue Oct 06, 2015 9:42 am

Re: check_http CRITICAL Name or service no known

Post by dlukinski »

[quote="npolovenko"]@dlukinski, So the commands are the same on all 8 Core servers except that the monitored hostnames are different, right?
Have you tried running this command manually from the command line?And you can also add a -v for verbose.


FAILED RUN

Code: Select all

login as: root
[email protected]'s password:
Last login: Tue Jan 30 15:17:32 2018 from 10.104.116.197
[root@dekc-dre-nagcore01 ~]# mc

[root@dekc-dre-nagcore01 etc]# /usr/local/nagios/libexec/check_http -H ip_addres                                 s -f follow -I sapoe8acs.konecranes.com -u '/sap/bc/gui/sap/its/webgui?sap-clien                                 t=100' -p 8181 -v
GET /sap/bc/gui/sap/its/webgui?sap-client=100 HTTP/1.1
User-Agent: check_http/v2.1.1 (nagios-plugins 2.1.1)
Connection: close
Host: ip_address:8181
Accept: */*


http://sapoe8acs.konecranes.com:8181/sap/bc/gui/sap/its/webgui?sap-client=100 is                                  565 characters
STATUS: HTTP/1.1 307 TEMPORARY REDIRECT
**** HEADER ****
Content-Type: text/html; charset=utf-8
Content-Length: 269
location: http://sapoe8as2:8084/sap/bc/gui/sap/its/webgui?sap-client=100
host: ip_address:8181
date: Tue, 30 Jan 2018 16:18:33 GMT
server: SAP Message Server, release 749 (OE8)
connection: close

**** CONTENT ****
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<HTML><HEAD>
<TITLE>307 TEMPORARY REDIRECT</TITLE>
</HEAD><BODY>
<H1>Moved Temporary</H1>
The document has moved <A HREF="http://sapoe8as2:8084/sap/bc/gui/sap/its/webgui?                                 sap-client=100"> here</A>
</BODY></HTML>

Redirection to http://sapoe8as2:8084/sap/bc/gui/sap/its/webgui?sap-client=100
Name or service not known
HTTP CRITICAL - Unable to open TCP socket
[root@dekc-dre-nagcore01 etc]#


OK RUN (another CORE server)

Code: Select all


login as: root
[email protected]'s password:
Last login: Tue Jan 30 15:15:00 2018 from 10.104.116.197
[root@fikc-hvk-nagcore01 ~]# /usr/local/nagios/libexec/check_http -H ip_address -f follow -I sapoe8acs.konecranes.com -u '/sap/bc/gui/sap/its/webgui?sap-client=100' -p 8181 -v
GET /sap/bc/gui/sap/its/webgui?sap-client=100 HTTP/1.1
User-Agent: check_http/v2.1.1 (nagios-plugins 2.1.1)
Connection: close
Host: ip_address:8181
Accept: */*


http://sapoe8acs.konecranes.com:8181/sap/bc/gui/sap/its/webgui?sap-client=100 is 565 characters
STATUS: HTTP/1.1 307 TEMPORARY REDIRECT
**** HEADER ****
Content-Type: text/html; charset=utf-8
Content-Length: 269
location: http://sapoe8as1:8079/sap/bc/gui/sap/its/webgui?sap-client=100
host: ip_address:8181
date: Tue, 30 Jan 2018 16:19:06 GMT
server: SAP Message Server, release 749 (OE8)
connection: close

**** CONTENT ****
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<HTML><HEAD>
<TITLE>307 TEMPORARY REDIRECT</TITLE>
</HEAD><BODY>
<H1>Moved Temporary</H1>
The document has moved <A HREF="http://sapoe8as1:8079/sap/bc/gui/sap/its/webgui?sap-client=100"> here</A>
</BODY></HTML>

Redirection to http://sapoe8as1:8079/sap/bc/gui/sap/its/webgui?sap-client=100
GET /sap/bc/gui/sap/its/webgui?sap-client=100 HTTP/1.1
User-Agent: check_http/v2.1.1 (nagios-plugins 2.1.1)
Connection: close
Host: sapoe8as1:8079
Accept: */*


http://sapoe8as1:8079/sap/bc/gui/sap/its/webgui?sap-client=100 is 31169 characters
STATUS: HTTP/1.1 200 OK
**** HEADER ****
set-cookie: sap-login-XSRF_OE8=20180130161906-BlqkXJ_W9cD_87WjBd4Qnw%3d%3d; path=/; HttpOnly
set-cookie: sap-usercontext=sap-client=100; path=/
content-type: text/html; charset=utf-8
content-length: 30848
expires: 0
pragma: no-cache, no-store, private
cache-control: no-cache, no-store, private

**** CONTENT ****
<!DOCTYPE HTML><html data-sap-ls-system-userAgent="0.00" data-sap-ls-system-device="standards" data-sap-ls-system-platform="" data-sap-ls-system-isRtl="false" lang="en" style="height:100%;"><head><link rel="icon" type="image/x-icon" href="/sap/public/bc/ur/Login/assets/favicon.ico"><title>Logon</title><link rel="stylesheet" type="text/css" id="SL__PAGE-stylesheet" href="/sap/public/bc/ur/nw5/themes/%7ecache-20160323141129/UR/ls/sap_corbu/standards.css" onerror="this.bLsLoadingError=true;" t="sap_corbu" p="ls" d="standards"><style type="text/css">#lifestyle { float:left; border:0; margin:0; padding:0;}#SLB_contentcell {  width:100%;}#SLB_infobox {  overflow-x: auto;  width: 290px;}#boxcontent { margin-left:335px; /* width of the lifestyle photo + 40 pixels for gutter space */ padding:0;}#dynamiccontent {}#dynamiccontent #titlegraphic { padding:0; margin:0;}#dynamiccontent p { margin-top:0;}#copyright { margin-top:20px; height:27px; position:relative;}#copyright div { font: normal 11px Arial, Helvetica, sans-serif; float:left; position:absolute; bottom:0; left:0;}#copyright div.corbu {  right:0;  left:auto;}#copyrighttxt { color: #000;}#copyrighttxt-hcb { color: #fff;}#copyright img { float: right;}#copyright img.corbu {  float: left;}#container { width: 100%; margin-top: 50px; padding:0;}div[ct="CO"] #container {  margin-top: 0;  padding-top: 50px;}</style><script type="text/javascript" src="/sap/public/bc/ur/nw7/js/domainrelax.js?109C0ED8BDE3"></script><script type="text/javascript">ur_relax();</script><script type="text/javascript" src="/sap/public/bc/ur/nw7/js/lightspeed.js?109C0ED8BDE3"></script></head><body tabindex="-1" ti="-1" supportedthemes="sap_corbu" class="urBdyStd urBdyStdNoMrg" style="height:100%;"><div class="urCanvasBgImage" style="display:none;"></div><table border="0" cellspacing="0" cellpadding="0" style="width:100%;height:100%;"><tr><td style="height:100%;"><div id="SL__PAGE" ct="PAGE" lsdata="{}" style="width:100%;height:100%;"><span id="SL__FLOWLAYOUT1" ct="FL" lsdata="{}" class="urFlowLayout" style="white-space:normal;"><span class="urLinStd urFLInl" id="SL__FLOWLAYOUT1_1"><form ct="FOR" id="SL__FORM" name="loginForm" method="POST" action="/sap/bc/gui/sap/its/webgui" style="margin:0px;" lsdata="{0:true}" lsevents="{Submit:[{'ClientAction':'submit','ActionUrl':'','ResponseData':'full','PrepareScript':''},{}]}"><input type="hidden" id="FOCUS_ID" ct="I" lsdata="{2:'sap\x2duser'}" name="FOCUS_ID" value="sap-user">
<input type="hidden" name="sap-system-login-oninputprocessing" value="">
<input type="hidden" name="sap-urlscheme" value="">
<input type="hidden" name="sap-system-login" value="onLogin">
<input type="hidden" name="sap-system-login-basic_auth" value="">
<input type="hidden" name="sap-accessibility" value="">
<input type="hidden" name="sap-login-XSRF" value="RLxxen9FBZiHpnaULDSsR_SOWhc8hAggfkcd4m1IJjQ=">
<input type="hidden" name="sap-system-login-cookie_disabled" value=""><noscript><iframe style=position:absolute;top:0;left:0;width:100%;height:100% src=?sap-system-login-oninputprocessing=onNoScript></noscript><div id="SL__LAYOUT_CONTAINER" ct="CO" lsdata="{}" class=""><table id="container" style="width:100%"><tr><td align="center"><table width="550" border="0" cellpadding="0" cellspacing="0" style="background:#fff;text-align:left">  <tr>   <td width="25px"></td>   <td height="8px" style="background:#f0ab00"></td>   <td width="25px"></td>  </tr>  <tr>   <td width="25px"></td>   <td height="65px" dir="ltr">       <h2 style="overflow-x:hidden;overflow-y:hidden;width:500px;word-wrap:break-word;line-height:33px;color:#666;font-size:24px;padding:0;margin:0;font-weight:bold;">SAP NetWeaver</h2>   </td>   <td width="25px"></td>  </tr>  <tr>   <td width="25px"></td>   <td dir="ltr">       <div id="dynamiccontent"><div id="SL__LAYOUT" ct="SL" lsdata="{}"><div id="SL__LAYOUT_1" class="urLayoutDefault2" style="width:100%;white-space:normal;"><div id="-r" style="width:100%;"><table cellspacing="0" cellpadding="0" ct="ML" lsdata="{2:'100\x25'}" class="urMatrixLayout urHtmlTableReset" border="0" style="border-collapse:collapse;width:100%;"><tbody class="urLinStd"><tr><td ct="MLC" lsdata="{}" id="" valign="middle" class="urLayoutDefault" style="border-collapse:separate;white-space:normal;"><div tabindex="0" ti="0" title="Logon Number ICF_SYSTEM_LOGIN006" class="urMsgBarStdBtm" id="m1" ct="MB" lsdata="{0:'WARNING',3:'Logon\x20Number\x20ICF_SYSTEM_LOGIN006'}"><table cellpadding="0" cellspacing="0" border="0"><tbody><tr><td valign="top" id="m1-icon" class="lsMsgBarIcn lsMsgBarIconWarning"><img alt="" src="/sap/public/bc/ur/nw5/1x1.gif" id="m1-img" class="lsMsgBarImgDspl urMsgBarImgWarning"></td><td class="lsMsgBarTxt urTxtStd urTxtColor"><span id="m1-txt" style="line-height:normal;">No switch to HTTPS occurred, so it is not secure to send a password</span></td></tr></table></div></td></tr><tr><td ct="MLC" lsdata="{}" id="" valign="middle" class="urLayoutDefault" style="border-collapse:separate;white-space:normal;"><div tabindex="0" ti="0" title="Logon Number SWDP_UR_NW7001" class="urMsgBarErrBtm" id="m1" ct="MB" lsdata="{0:'ERROR',3:'Logon\x20Number\x20SWDP_UR_NW7001'}"><table cellpadding="0" cellspacing="0" border="0"><tbody><tr><td valign="top" id="m1-icon" class="lsMsgBarIcn lsMsgBarIconError"><img alt="" src="/sap/public/bc/ur/nw5/1x1.gif" id="m1-img" class="lsMsgBarImgDspl urMsgBarImgError"></td><td class="lsMsgBarTxt urTxtStd urTxtColor"><span id="m1-txt" style="line-height:normal;">You are calling this Web site with a browser that is not supported</span></td></tr></table></div></td></tr></table></div></div><div id="SL__LAYOUT_2" class="urLayoutDefault2" style="width:100%;white-space:normal;"><div id="SL__DIVIDER1" ct="HD" lsdata="{}" class="urHSpcSml"><img alt="" src="/sap/public/bc/ur/nw5/1x1.gif" class="urHDImg"></div></div><div id="SL__LAYOUT_3" class="urLayoutDefault2" style="width:100%;white-space:normal;"><DIV id="SL2" ct="SC" lsdata="{0:'NONE',3:false,4:'LOGON_BUTTON'}" tabindex="0" ti="0"><table title="" cellspacing="0" cellpadding="0" id="g1" class="urFontStd urHtmlTableReset" ct="GL" lsdata="{}" border="0"><tbody><tr><td style="height:5px;"></td></tr><tr><td ct="GLC" lsdata="{}" id="" class="" style="width:125px;white-space:normal;padding-right:10px;"><label ct="L" lsdata="{1:'sysid',3:'System'}" id="sysid_l" f="sysid" class="lsTextNoWrapping urL" style="line-height:normal;white-space:nowrap;">System:</label></td><td ct="GLC" lsdata="{}" id="" class="" style="white-space:normal;"><span id="sysid-r" class="urEdf2Whl "><input id="sysid" ct="I" lsdata="{0:'sysid',2:'OE8',3:3,8:true}" type="text" size="3" tabindex="0" ti="0" class="urEdf2TxtEnbl urEdf2TxtRo urEdf2TxtRadius urBorderBox" readonly value="OE8" autocomplete="off" autocorrect="off" name="sysid" style="vertical-align:top;"></span></td></tr><tr><td style="height:5px;"></td></tr><tr><td ct="GLC" lsdata="{}" id="" class="" style="width:125px;white-space:normal;padding-right:10px;"><label ct="L" lsdata="{1:'sap\x2dclient',3:'Client',5:false}" id="l2" f="sap-client" class="lsTextNoWrapping urLDsbl" style="line-height:normal;white-space:nowrap;">Client:</label></td><td ct="GLC" lsdata="{}" id="" class="" style="white-space:normal;"><span id="sap-client-r" class="urEdf2Whl "><input id="sap-client" ct="I" lsdata="{0:'sap\x2dclient',2:'100',3:3,4:3,5:true,7:false}" type="text" size="3" maxlength="3" tabindex="0" ti="0" class="urEdf2TxtEnbl urEdf2TxtRadius urEdf2TxtDsbl urBorderBox" readonly value="100" autocomplete="off" autocorrect="off" name="sap-client" style="vertical-align:top;"></span></td></tr><tr><td style="height:5px;"></td></tr><tr><td ct="GLC" lsdata="{}" id="" class="" style="width:125;white-space:normal;padding-right:10px;"><label ct="L" lsdata="{1:'sap\x2duser',3:'User',5:false}" id="l3" f="sap-user" class="lsTextNoWrapping urLDsbl" style="line-height:normal;white-space:nowrap;">User:</label></td><td ct="GLC" lsdata="{}" id="" class="" style="white-space:normal;"><span id="dummy_sap_user-r" class="urEdf2Whl "><input id="dummy_sap_user" ct="I" lsdata="{0:'dummy_sap_user',3:12,4:12,5:true,7:false,8:true,13:'20ex'}" type="text" size="12" maxlength="12" tabindex="0" ti="0" class="urEdf2TxtEnbl urEdf2TxtRadius urEdf2TxtDsbl urEdf2TxtRoInv2 urBorderBox" readonly value="" autocomplete="off" autocorrect="off" name="dummy_sap_user" style="vertical-align:top;width:20ex;"></span></td></tr><tr><td style="height:5px;"></td></tr><tr><td ct="GLC" lsdata="{}" id="" class="" style="width:125;white-space:normal;padding-right:10px;"><label ct="L" lsdata="{1:'sap\x2dpassword',3:'Password',5:false}" id="l4" f="sap-password" class="lsTextNoWrapping urLDsbl" style="line-height:normal;white-space:nowrap;">Password:</label></td><td ct="GLC" lsdata="{}" id="" class="" style="white-space:normal;"><span id="dummy_sap_password-r" class="urEdf2Whl "><input id="dummy_sap_password" ct="I" lsdata="{0:'dummy_sap_password',3:12,4:40,5:true,7:false,8:true,13:'20ex'}" type="text" size="12" maxlength="40" tabindex="0" ti="0" class="urEdf2TxtEnbl urEdf2TxtRadius urEdf2TxtDsbl urEdf2TxtRoInv2 urBorderBox" readonly value="" autocomplete="off" autocorrect="off" name="dummy_sap_password" style="vertical-align:top;width:20ex;"></span></td></tr><tr><td style="height:5px;"></td></tr><tr><td ct="GLC" lsdata="{}" id="" class="" style="width:125;white-space:normal;padding-right:10px;"><label ct="L" lsdata="{1:'sap\x2dlanguage\x2ddropdown',3:'Language',5:false}" id="l5" f="sap-language-dropdown" class="lsTextNoWrapping urLDsbl" style="line-height:normal;white-space:nowrap;">Language:</label></td><td ct="GLC" lsdata="{}" id="" class="" style="width:20ex;white-space:normal;"><span ct="FL" lsdata="{}" class="urFlowLayout" style="white-space:normal;"><span class="urLinStd urFLInl"><input type="hidden" id="sap-language" ct="I" lsdata="{2:'EN'}" name="sap-language" value="EN"><wbr style="display:inline-block"></wbr></span><span class="urLinStd urFLInl"><table cellspacing="0" cellpadding="0" id="sap-language-dropdown-r" class="urCoB2WhlTbl" style="width:100%;"><tr><td class="" style="vertical-align:top;"><input id="sap-language-dropdown" ct="CB" lsdata="{0:'sap\x2dlanguage\x2ddropdown',1:false,7:'SL1',8:'EN',10:'English'}" lsevents="{Select:[{ResponseData:'delta'},{}]}" type="text" autocomplete="off" tabindex="0" ti="0" class="urEdf2TxtEnbl lsEdfLeftBrdRadius lsEdf3TxtDHlpBtn urEdf2TxtDsbl urBorderBox" readonly value="English" name="sap-language-dropdown" style="vertical-align:top;width:100%;"></td><td class="lsTblEdf3HlpBtnTd"><div id="sap-language-dropdown-btn" tabindex="-1" ti="-1" aria-hidden="true" class="lsEdf3HlpBtnStd urBorderBox lsEdf2HlpRadius lsEdf3DHlpBtnDsbl lsEdf3DHlpBtnR" style="display:inline-block;vertical-align:top;"></div></td></tr></table><wbr style="display:inline-block"></wbr></span><span class="urLinStd urFLInl"><div id="SL1-r" class="urCob2Ilb lsItemlistbox__root" style="height:10px;top:-9999999px;position:absolute;"><div id="SL1" ct="CBSLB" lsdata="{0:5,1:'',4:'VISIBLE',9:'',10:'',11:''}" class="urCob2Box lsItemlistbox lsItemlistbox--popup lsItemlistbox--history" style="width:10ex;"><div id="SL1-scrl" class="lsItemlistbox"><table cellspacing="0" cellpadding="0" width="10px" id="SL1-tab"><tbody><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-0" ct="ILBI" lsdata="{}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard"> </td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard"> </td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-1" ct="ILBI" lsdata="{0:'ZH',4:'Chinese',5:'ZH'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">Chinese</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">ZH</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-2" ct="ILBI" lsdata="{0:'DA',4:'Danish',5:'DA'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">Danish</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">DA</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-3" ct="ILBI" lsdata="{0:'NL',4:'Dutch',5:'NL'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">Dutch</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">NL</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-4" ct="ILBI" lsdata="{0:'EN',4:'English',5:'EN'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">English</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">EN</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-5" ct="ILBI" lsdata="{0:'FI',4:'Finnish',5:'FI'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">Finnish</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">FI</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-6" ct="ILBI" lsdata="{0:'FR',4:'French',5:'FR'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">French</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">FR</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-7" ct="ILBI" lsdata="{0:'DE',4:'German',5:'DE'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">German</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">DE</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-8" ct="ILBI" lsdata="{0:'HU',4:'Hungarian',5:'HU'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">Hungarian</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">HU</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-9" ct="ILBI" lsdata="{0:'IT',4:'Italian',5:'IT'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">Italian</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">IT</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-10" ct="ILBI" lsdata="{0:'NO',4:'Norwegian',5:'NO'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">Norwegian</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">NO</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-11" ct="ILBI" lsdata="{0:'PT',4:'Portuguese',5:'PT'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">Portuguese</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">PT</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-12" ct="ILBI" lsdata="{0:'RU',4:'Russian',5:'RU'}"><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">Russian</td><td class="lsItemlistbox__content urIlb2I urColorTxtStandard">RU</td><td class="lsItemlistbox__content lsItemlistbox__content--empty"> </td></tr><tr class="lsItemlistbox__item ur_NoUserSelect" id="SL1-key-13" ct="ILBI" lsdata="{0:'ES',4:'Spanish',5:'ES'}"><td class="lsItemlistbox__content urIlb2I 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HTTP OK: HTTP/1.1 200 OK - 31169 bytes in 0.195 second response time |time=0.195077s;;;0.000000 size=31169B;;;0
[root@fikc-hvk-nagcore01 ~]#


npolovenko
Support Tech
Posts: 3457
Joined: Mon May 15, 2017 5:00 pm

Re: check_http CRITICAL Name or service no known

Post by npolovenko »

@dlukinski, Interesting, looks like in the beginning both Core servers reach redirect, and the first one gets redirected to:

Code: Select all

http://sapoe8as2:8084/sap/bc/gui/sap/its/webgui?sap-client=100
And fails, and the second one gets redirected to:

Code: Select all

http://sapoe8as1:8079/sap/bc/gui/sap/its/webgui?sap-client=100
And receives a proper response.
So something happened to the port 8084, can you make sure that it's opened for connections?
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