Errors in log

New install with Zimbra 8.8.15_GA. The mirror shows these errors. Looks like some updates might be needed.

SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/opt/zimbra/lib/jars/slf4j-log4j12-1.7.30.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/opt/zimbra/jetty_base/webapps/service/WEB-INF/lib/slf4j-log4j12-1.7.30.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory] WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.openzal.zal.extension.StoreManagerImpl (file:/opt/zimbra/lib/ext/openchat/zal.jar) to method java.lang.ClassLoader.defineClass(byte[],int,int) WARNING: Please consider reporting this to the maintainers of org.openzal.zal.extension.StoreManagerImpl WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release

Thanks