[HTTP:101216]Servlet: "TunnelServletContextInitializer" failed to preload on startup in Web application: "demantra.war".

 

while activating Demantra Deployment we have seen below errors

 

[HTTP:101216]Servlet: "TunnelServletContextInitializer" failed to preload on startup in Web application: "demantra.war".

java.lang.RuntimeException: ODPM-70240: Proxy factory: invalid configuration directory found

 

Solution :1

Login to WebLogic Console http://<servername>:<port>/console

click on Lock & Edit

Click On dm_domain  > Configurations > WebApplications

Check the box next to Archived Real Path Enabled

And click save

Click on Activate changes

You must restart Admin and Managed servers post enabling this ...

Solution 2: 

Restarting Whole Application (Admin + Managed server +Nodemanager) Resolved this issue 

Solution 3: 

Corrected App Server URL and other instance specific parameters in aps_para,s & sys_params of Demantra schema resolved this error