Tomcat fails to start due to "Invalid signature file digest for Manifest main attributes"

Solution Verified - Updated -

Issue

  • Tomcat fails to start with the following exception:
java.lang.SecurityException: Invalid signature file digest for Manifest main attributes
        at sun.security.util.SignatureFileVerifier.processImpl(SignatureFileVerifier.java:221)
        at sun.security.util.SignatureFileVerifier.process(SignatureFileVerifier.java:176)
        at java.util.jar.JarVerifier.processEntry(JarVerifier.java:288)
        at java.util.jar.JarVerifier.update(JarVerifier.java:199)
        at java.util.jar.JarFile.initializeVerifier(JarFile.java:323)
        at java.util.jar.JarFile.getInputStream(JarFile.java:388)
        at sun.misc.URLClassPath$JarLoader$2.getInputStream(URLClassPath.java:692)
        at sun.misc.Resource.cachedInputStream(Resource.java:61)
        at sun.misc.Resource.getByteBuffer(Resource.java:144)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:256)
        at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
        at org.apache.catalina.startup.Bootstrap.init(Bootstrap.java:216)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:391)

Environment

  • JBoss Enterprise Web Server (EWS)
    • Tomcat

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