What to do if a SAX Parser error occurs when using Liferay 7 / DXP on AWS

When running Liferay 7 / DXP on AWS, it is common to use S3 for the document & media repository, but at that time a SAX Parser error is thrown. To solve it, follow the procedure below.

  1. Create a file named system-ext.properties under / webapps / ROOT / WEB-INF / classes
  2. Insert the line org.xml.sax.driver = com.sun.org.apache.xerces.internal.parsers.SAXParser.
  3. After restarting the server, the error should no longer occur.

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