JAVA does’nt know your ca root certificate

You have like this error when use java applet;

means java does not trust your root ca cert.

You can check java trust root ca cert this way;

password:changeit

C:\Program Files (x86)\Java\jre7\bin>keytool -list -v -keystore ../lib/security/cacerts > C:\export.txt

You can import your root ca cert this way;

password:changeit

C:\Program Files (x86)\Java\jre7\bin>keytool -import -alias customcacert -keystore ..\lib\security\cacerts -file C:\root.cer