2192007 - Error: load: class com.sap.webi.ui.jrp.WebIAppletStartup not found, while launching Webi Application from BILaunchpad.

• While launching the webi application from BILaunchpad error observed is "Error: load: class com.sap.webi.ui.jrp.WebIAppletStartup not found"

The Java console logs show the below traces:-

basic: load: class com.sap.webi.ui.jrp.WebIAppletStartup not found.
java.lang.ClassNotFoundException: com.sap.webi.ui.jrp.WebIAppletStartup
 at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
 at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
 at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
 at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
 at java.lang.ClassLoader.loadClass(Unknown Source)
 at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
 at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)
 at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
 at java.lang.Thread.run(Unknown Source)
basic: Removed progress listener: sun.plugin.util.ProgressMonitorAdapter@14753da
security: Reset deny session certificate store

Below traces may also be found in the java console logs:-

ERROR:java.net.SocketException: Permission denied: connect
java.net.SocketException: Permission denied: connect

java.io.IOException: Server returned HTTP response code: 503 for URL:
http://servername:8080/BOE/CMC/1507141540/AnalyticalReporting/webiApplet/language/webiapplet_en.jar.pack.gz?version-id=14.1.5.1666
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)

The kba's 1700894, 1785652, 1867088, 1972383, 1925895, 1867088 does not seem to resolve the issue.

• SAP BusinessObjects Business Intelligence 4.0
• SAP BusinessObjects Business Intelligence 4.1
• Java 1.7
• Java 1.8
• IPV6 enabled on either client system or the BI webapplication server.

class com.sap.webi.ui.jrp.WebIAppletStartup, java7, IPv4, IPv6, java.net.SocketException, webi ,java.io.IOException,ProgressMonitorAdapter, Bi4, BI41, BI 4.1 , KBA , BI-BIP-DEP , Webapp Deployment, Networking, Vulnerabilities, Webservices , BI-RA-WBI , Web Intelligence , Problem