NoSuchFieldErrorNoSuchFieldError
A field is referenced at runtime but does not exist in the class.
AbstractMethodErrorAn abstract method is called that has no implementation.
A class was compiled against a version of another class where a method was concrete, but the runtime version has the method as abstract. This is a binary compatibility issue.
Recompile against the correct library version. Ensure all abstract methods have implementations. Check for JAR version conflicts in the classpath.
NoSuchFieldErrorA field is referenced at runtime but does not exist in the class.
MalformedURLExceptionA URL string is not in a valid format.
NoSuchElementExceptionAn attempt to retrieve an element from an empty collection or exhausted iterator.
ClassFormatErrorA class file has an invalid format or structure.
IllegalArgumentExceptionA method receives an argument that is not valid for its expected range or format.
OutOfMemoryErrorThe JVM has exhausted its available heap memory.