java.lang.NoClassDefFoundError: org/apache/struts/action/Action

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This means you're missing a class that Java needs for this program. Check if you're not missing the jsr305-1.3.7.jar from your classpath, it's the jar that contains the class javax.annotation.Nullable.

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If JVM throws ClassNotFoundException the class is not found in classpath. It means that something is not configured correctly. So check the relevant class is in the classpath. If the class is packaged into a jar, the jar should also in the classpath.

Solutions on the web

via struts-user by Thim Anneessens, 1 year ago
via gmane.org by Unknown author, 1 year ago
org/apache/struts/action/Action
via struts-user by Lukasz Lenart, 1 year ago
via struts-user by Johannes Geppert, 1 year ago
via Stack Overflow by JaHax
, 2 years ago
org/apache/tiles/context/TilesRequestContextFactory
via Stack Overflow by tigerjack89
, 2 years ago
java.lang.NoClassDefFoundError: org/apache/struts/action/Action
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2957)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1210)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1690)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2957)

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