core/kotlinx-coroutines-core/test/guide/example-exceptions-06.kt

/*
 * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

// This file was automatically generated from coroutines-guide.md by Knit tool. Do not edit.
package kotlinx.coroutines.experimental.guide.exceptions06

import kotlinx.coroutines.experimental.*
import kotlin.coroutines.experimental.*
import java.io.*

fun main(args: Array<String>) = runBlocking {
    val handler = CoroutineExceptionHandler { _, exception ->
        println("Caught original $exception")
    }
    val job = launch(handler) {
        val inner = launch(coroutineContext) {
            launch(coroutineContext) {
                launch(coroutineContext) {
                    throw IOException()
                }
            }
        }
        try {
            inner.join()
        } catch (e: JobCancellationException) {
            println("Rethrowing JobCancellationException with original cause")
            throw e
        }
    }
    job.join()
}