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

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)
	at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1893)
	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1296)
	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:855)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:346)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5173)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

Tested :

  1. Tomcat 7.0.29
  2. Java 1.8.0_45
  3. Spring 4 MVC web application

Previously, it was working fine on Java 1.7.0_05

Solution

Not sure what is the reason, to fix it, just upgrade Tomcat to the latest version, for example Tomcat 7.0.65.

Tested with success :

  1. Tomcat 7.0.65
  2. Java 1.8.0_45
  3. Spring 4 MVC web application

6 comments on “Tomcat 7 + Java 8 : Invalid byte tag in constant pool: 15

  1. If you are mixing lower version of Spring framework (<4) with Java 8 Lambda expression this error comes. Upgrade Spring or remove Java 8 features.

    Reply
  2. I’m using tomcat-9.0.7.B.RELEASE still facing same problem

    Reply
    1. I’ve got JDK8 runnig on Tomcat 7.0.85 and that BCEL error still occurs.

      Reply

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