We have a clean install of AEM Forms 6.5.3 and we see this error in the server.log:
[org.apache.tika.utils.XMLReaderUtils] (async-index-update-fulltext-async) SAX Security Manager could not be setup [log suppressed for 5 minutes]: java.lang.IllegalArgumentException: Property 'http://www.oracle.com/xml/jaxp/properties/entityExpansionLimit' is not recognized.
The error doesn't appear to break anything. Is this error normal for 6.5 or is something configured wrong?