Module java.base
Package java.lang

Interface Thread.UncaughtExceptionHandler

All Known Implementing Classes:
Enclosing class:
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public static interface Thread.UncaughtExceptionHandler
Interface for handlers invoked when a Thread abruptly terminates due to an uncaught exception.

When a thread is about to terminate due to an uncaught exception the Java Virtual Machine will query the thread for its UncaughtExceptionHandler using Thread.getUncaughtExceptionHandler() and will invoke the handler's uncaughtException method, passing the thread and the exception as arguments. If a thread has not had its UncaughtExceptionHandler explicitly set, then its ThreadGroup object acts as its UncaughtExceptionHandler. If the ThreadGroup object has no special requirements for dealing with the exception, it can forward the invocation to the default uncaught exception handler.

See Also:
Thread.setDefaultUncaughtExceptionHandler(java.lang.Thread.UncaughtExceptionHandler), Thread.setUncaughtExceptionHandler(java.lang.Thread.UncaughtExceptionHandler), ThreadGroup.uncaughtException(java.lang.Thread, java.lang.Throwable)
  • Method Summary

    Modifier and Type
    Method invoked when the given thread terminates due to the given uncaught exception.
  • Method Details

    • uncaughtException

      void uncaughtException(Thread t, Throwable e)
      Method invoked when the given thread terminates due to the given uncaught exception.

      Any exception thrown by this method will be ignored by the Java Virtual Machine.

      t - the thread
      e - the exception