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Tomcat 7 + Java 8 : Invalid byte tag in constant pool: 15

August 4, 2015 by mkyong

Just upgraded to Java 8, and the Tomcat 7 keeps prompting the following exceptions: Jul 20, 2015 4:06:36 PM org.apache.catalina.startup.ContextConfig processAnnotationsJar SEVERE: Unable to process Jar entry [jdk/nashorn/internal/objects/NativeURIError.class] from Jar [jar:file:/Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home/jre/lib/ext/nashorn.jar!/] for annotations org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 15 at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:131) at org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:60) at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:209) at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:119) at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2066) at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1942) at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1908) …

How to change Tomcat to use JDK 7

December 30, 2015July 27, 2014 by mkyong

The current environment is using Tomcat 7 + JDK 6. How to configure Tomcat to use JDK 7? Environment Tomcat 7 (apt-get install) Debian 7.5 JDK 6 and JDK 7 P.S Tomcat 7 is installed via apt-get Note You may interest at this tutorial – Apache Tomcat 8 + JDK 8 on Debian 1. Solution …