On user interface:
"Empty or Invalid respose received from server"

<< Server Log >>
ERROR [handler.redirection.RedirectionHandler] (http-nio-80-exec-16-JE:[]) CaseName:[] UserName:[TestUser] [71001] Error while getting redirection information:
ERROR [resource.redirection.RedirectionResource] (http-nio-80-exec-16-JE:[]) CaseName:[] UserName:[TestUser] [71001] [71001] Internal server error.
INFO [ui.util.HttpSessionTracker] (http-nio-80-exec-11:[]) Session 1338454408 ( 7924ADEA0A1DC2A841C01ED199840876) about to be destroyed for TestUser
INFO [ui.util.HttpSessionTracker] (http-nio-80-exec-18:[]) Session created for user TestUser.
INFO [util.redirection.RedirectionHelper] (http-nio-80-exec-20-JE:[]) CaseName:[] UserName:TestUser] Redirecting user TE to eDP-App1.edp.lab
WARN [STDERR] (http-nio-80-exec-20-JE:[]) java.io.IOException: DER length more than 4 bytes: 109
ERROR [reports.rest.SSLProtocolSocketFactory] (http-nio-80-exec-20-JE:[]) DER length more than 4 bytes: 109
java.io.IOException: DER length more than 4 bytes: 109
One or more, of the three SSL keystores is corrupt or not in the BCKFS format introduced in eDiscovery version 10.0.0
Locate and repair the corrupt / wrong format certificate keystore.
Keystore locations:
D:\CW\V10.0.x\scratch\temp\cert
D:\CW\V10.0.x\Tomcat\conf\server.keystore
C:\jdk-8u3##-windows-x64\jre\lib\security\cacerts
If the corrupt keystore is D:\CW\V10x\scratch\temp\cert: