ITCM Web Console Not working .Page Can not be displayed. There is no error in TRC_CF_WAC.log

Document ID : KB000094114
Last Modified Date : 02/05/2018
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Issue:
ITCM Web Console Not working . Page can not be displayed. No Error found in TRC_CF_WAC.log

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Environment:
ITCM 14.0
SQL 2012 
IIS 8 Installed on Windows 2008 R2 
Resolution:
1. Check caf status is showing plugin Tomcat server for Web Admin Console (tomcat) is running . 

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2. Check IIS Admin Service is running from Windows Services. 

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3. check catalina log from ITCM installation directory  X:\Program Files (x86)\CA\DSM\Web Console\logs
Catalina logs has below error. 

30-Apr-2018 21:52:50.589 WARNING [localhost-startStop-1] org.apache.catalina.webresources.Cache.getResource Unable to add the resource at [/WEB-INF/classes/org/eclipse/persistence/logging] to the cache because there was insufficient free space available after evicting expired cache entries - consider increasing the maximum size of the cache
30-Apr-2018 21:52:56.657 INFO [localhost-startStop-1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
30-Apr-2018 21:52:58.389 WARNING [localhost-startStop-1] org.apache.cxf.bus.spring.OldSpringSupport.logWarning Import of META-INF/cxf/cxf-extension-soap.xml has been deprecated and is unnecessary.

4. Open Server Manager and check if IIS has any issues . In Below screenshot we can see a Red X mark at IIS. 

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5. Click on the Web Server( IIS) in Server Manager. In Below screenshot we can see WAS & W3SVC services are 
stopped. These services are required for Web Connectivity and Administration. Right click and start both the services. 

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6. Launch the Web Console again and check if its working. 

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Open and Support case with CA if  problem is not resolved after performing the above steps.