This post is older than a year. Consider some information might not be accurate anymore.
Copy all certificates from one keystore to the keystore of the current Java installation. You can use the keytool and srckeystore (source keystore) and destkeystore (destination keystore).
For Windows
cd %JAVA_HOME%
bin\keytool -importkeystore -srckeystore wildcard.keystore -srcstorepass changeit -destkeystore jre\lib\security\cacerts -deststorepass changeit
For Linux
cd $JAVA_HOME
bin/keytool -importkeystore -srckeystore wildcard.keystore -srcstorepass changeit -destkeystore jre/lib/security/cacerts -deststorepass changeit