Hi Matthew, looks like a classloader issue like that but would need more details
Romain Manni-Bucau @rmannibucau <https://twitter.com/rmannibucau> | Blog <https://rmannibucau.metawerx.net/> | Old Blog <http://rmannibucau.wordpress.com> | Github <https://github.com/rmannibucau> | LinkedIn <https://www.linkedin.com/in/rmannibucau> | Book <https://www.packtpub.com/application-development/java-ee-8-high-performance> Le mer. 23 mai 2018 à 10:52, Matthew Broadhead < matthew.broadh...@nbmlaw.co.uk> a écrit : > After TomEE 7.0.3 has been running for a long time, maybe weeks, it starts > producing these messages when users try to transform XML using XSLT > (usually to generate PDF using FOP). The container has to be restarted in > order for it to start working again. Is this related to the Xalan problem? > > java.util.MissingResourceException: Could not load any resource bundle by > com.sun.org.apache.xerces.internal.impl.msg.SAXMessages > at > com.sun.org.apache.xerces.internal.utils.SecuritySupport$7.run(SecuritySupport.java:174) > at > com.sun.org.apache.xerces.internal.utils.SecuritySupport$7.run(SecuritySupport.java:166) > at java.security.AccessController.doPrivileged(Native Method) > at > com.sun.org.apache.xerces.internal.utils.SecuritySupport.getResourceBundle(SecuritySupport.java:166) > at > com.sun.org.apache.xerces.internal.util.SAXMessageFormatter.formatMessage(SAXMessageFormatter.java:58) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.setProperty(AbstractSAXParser.java:1949) > at > com.sun.org.apache.xerces.internal.parsers.SAXParser.setProperty(SAXParser.java:175) > at > org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:476) > >