org.apache.tomcat.util.bcel.classfile.ClassFormatException:常量池中的无效字节标记:15-Tomcat 7，JDK不兼容?

问题描述

我尝试升级到Java8.启动带有Java 7编译的.war文件的tomcat7服务器时，出现下面的神秘错误.

I tried upgrading to Java 8. When starting our tomcat7 server, with a Java 7-compiled .war file, I get the mysteriously error below.

我希望这行得通吗?这篇帖子指出，tomcat 7应该适用于1.6及更高版本.我不能说是Tomcat的罪魁祸首还是.war.切换出不同的Java版本:

Should I expect this to work? This post says tomcat 7 should work with 1.6 and up.I can't tell if Tomcat is to blame, or the .war. Switching out different Java versions I get:

• 已安装JDK 7.45-可以工作(用于编译.war的相同版本)
• 已安装JDK 7.55-失败如下
• 已安装JDK 8.05-失败，如下所示

是tomcat的罪魁祸首，还是.war?

Is tomcat to blame, or the .war?

Caused by: 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:2032)
        at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1923)
        at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1891)
        at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1877)
        at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1270)
        at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:855)
        at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:345)
        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:5161)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

推荐答案

我在Tomcat 7.0.26中看到此错误.

I was seeing this error with Tomcat 7.0.26.

要回答您的问题，请怪Tomcat: https://issues.apache.org/bugzilla/show_bug.cgi?id=53735

To answer your question, Tomcat is to blame: https://issues.apache.org/bugzilla/show_bug.cgi?id=53735

我已将其升级到7.0.53版(根据链接的问题，此修复应在7.0.30及更高版本中进行.)

Upgrading to version 7.0.53 fixed it for me (according to the linked issue, the fix should be in 7.0.30 and later).

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