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package com.fasterxml.jackson.databind.util;

/**
 * Utility methods for dealing with exceptions/throwables
 *
 * @since 2.15
 */
public class ExceptionUtil {
    private ExceptionUtil() {}

    /**
     * It is important never to catch all Throwables. Some like
     * {@link InterruptedException} should be rethrown. Based on
     * scala.util.control.NonFatal.
     *
     * This method should be used with care.
     * 

* If the Throwable is fatal, it is rethrown, otherwise, this method just returns. * The input throwable is thrown if it is an Error or a RuntimeException. * Otherwise, the method wraps the throwable in a RuntimeException and throws that. *

* * @param throwable to check * @throws Error the input throwable if it is fatal * @throws RuntimeException the input throwable if it is fatal - throws the original throwable * if is a RuntimeException. Otherwise, wraps the throwable in a RuntimeException. */ public static void rethrowIfFatal(Throwable throwable) throws Error, RuntimeException { if (isFatal(throwable)) { if (throwable instanceof Error) { throw (Error) throwable; } if (throwable instanceof RuntimeException) { throw (RuntimeException) throwable; } throw new RuntimeException(throwable); } } /** * It is important never to catch all Throwables. Some like * {@link InterruptedException} should be rethrown. Based on * scala.util.control.NonFatal. * * @param throwable to check * @return whether the Throwable is a fatal error */ private static boolean isFatal(Throwable throwable) { return (throwable instanceof VirtualMachineError || throwable instanceof ThreadDeath || throwable instanceof InterruptedException || throwable instanceof ClassCircularityError || throwable instanceof ClassFormatError || throwable instanceof IncompatibleClassChangeError || throwable instanceof BootstrapMethodError || throwable instanceof VerifyError ); } }




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