Add your application jars to catalina.properties file tomcat.util.scan.DefaultJarScanner.jarsToSkip section.
Regards, Chandra ________________________________ From: D, Dwarakesh <dwarakes...@xerox.com> Sent: Wednesday, August 24, 2016 2:15:45 PM To: users@tomcat.apache.org Subject: Getting Invalid byte tag in constant pool: 15 Error Hello Team, I am getting the below error while trying to run one of the application built and running on java1.8. In order to support below tomcat version and java8, do I need to upgrade any jars of Tomcat later version? Please let me know. Below are the details: Java version --> jdk1.8.0_45 Tomcat Version--> tomcat-7.0.27 Error while deploying the application--> org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 15 Thanks, Dwarak