What does Java Lang ExceptionInInitializerError mean?
The ExceptionInInitializerError indicates that an unexpected exception has occurred in a static initializer. Basically, when we see this exception, we should know that Java failed to evaluate a static initializer block or to instantiate a static variable.
What is ExceptionInInitializerError?
An ExceptionInInitializerError is thrown to indicate that an exception occurred during evaluation of a static initializer or the initializer for a static variable. As of release 1.4, this exception has been retrofitted to conform to the general purpose exception-chaining mechanism.
What is exception in thread main Java Lang ExceptionInInitializerError?
exceptionininitializererror” error. The ExceptionInInitializerError is a sub-class of the LinkageError class. The error denotes that an unexpected exception has occurred in a static initializer or the initializer for a static variable.
What is a Java Lang RuntimeException?
RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine. A method is not required to declare in its throws clause any subclasses of RuntimeException that might be thrown during the execution of the method but not caught.
How do you handle Java Lang ExceptionInInitializerError?
We can resolve the java. lang. ExceptionInInitializerError by ensuring that static initializer block of classes does not throw any Runtime Exception. We can resolve also resolve this exception by ensuring that the initializing static variable of classes also doesn’t throw any Runtime Exception.
What causes Java Lang ExceptionInInitializerError?
The ExceptionInInitializerError is thrown when the JVM attempts to load a new class. During the class loading procedure, all static variables and static initializers are being evaluated.
Is IllegalStateException a checked exception?
An IllegalStateException is an unchecked exception in Java. This exception may arise in our java program mostly if we are dealing with the collection framework of java. util.
Which exception is thrown when JVM tries to initialize a static variable?
JVM throws java. lang. ExceptionInInitializerError, when there is an Exception inside static initializer block. If you know about static variables in Java, then you may know that they are initialized at the time of class loading.
How can I solve the exception in thread main Java Lang NoClassDefFoundError?
NoClassDefFoundError” is to check if the offender class is available in classpath or not. In Eclipse, you can use shortcuts like search resource (Ctrl + R) or search type (Ctrl + T) to find which JAR file that particular class belongs to and then check if that JAR is available in the classpath or not.
What is thread main exception?
An exception is an issue (run time error) occurred during the execution of a program. When an exception occurred the program gets terminated abruptly and, the code past the line that generated the exception never gets executed.
What is exception in thread in Java?
When a method encounters an abnormal condition that it can not handle, an exception is thrown as an exception statement. Exceptions are caught by handlers(here catch block). Exceptions are caught by handlers positioned along with the thread’s method invocation stack.