Symptom
The webview page of Introscope Enterprise Manager "http(s)://<Introscope Host FQDN>:8081/webview" cannot be opened, error message "HTTP ERROR 503 Service Unavailable" displays on the opened page.
In IntroscopeEnterpriseManager.log, the error message below displays:
Failed startup of context o.e.j.w.WebAppContext@NNNN{Introscope WebView,/webview,file:///usr/sap/<SID>/ccms/apmintroscope/product/enterprisemanager/configuration/org.eclipse.osgi/21/0/.cp/WebContent/,UNAVAILABLE}{WebContent}
MultiException[java.awt.AWTError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable., javax.servlet.ServletException: APM Server API Proxy Servlet==com.wily.introscope.webapps.common.APMServerAPIProxy@23860f12{jsp=null,order=99,inst=true,async=false,src=DESCRIPTOR:file:///usr/sap/<SID>/ccms/apmintroscope/product/enterprisemanager/configuration/org.eclipse.osgi/21/0/.cp/WebContent/WEB-INF/web.xml,STARTED}, javax.servlet.ServletException: APM Server Extensions Proxy Servlet==com.wily.introscope.webapps.common.APMServerAPIProxy@1af74f62{jsp=null,order=99,inst=true,async=false,src=DESCRIPTOR:file:///usr/sap/<SID>/ccms/apmintroscope/product/enterprisemanager/configuration/org.eclipse.osgi/21/0/.cp/WebContent/WEB-INF/web.xml,STARTED}]
...
Suppressed: java.awt.AWTError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY variable.
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Environment
Introscope Enterprise Manager 10.X
Product
Keywords
Introscope Enterprise Manager, Introscope EM, Wily, 503, HTTP error, Service Unavailable, DISPLAY variable, Can't connect to X11 window server, APM Server. , KBA , XX-PART-WILY , Introscope by CA Technologies , Problem
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