The file /usr/javaxxx/jre/lib/security/cacerts is overriden at every java upgrade
You have to choose another folder to store Java certificate
default folder is $JAVA_HOME/jre/lib/security/cacerts
You can use the variable javax.net.ssl.trustStore into Java commands like:
java -Djavax.net.ssl.trustStore=custompath/cacerts -Djavax.net.ssl.trustStorePassword=changeit