重新启动Spark服务器后，为什么出现“拒绝连接”错误？

Question

I have this test classes:

class PostIT {

    companion object {

        @BeforeClass
        @JvmStatic
        fun initialise() {
            baseURI = "http://localhost:4567"
            Server.start()
        }

        @AfterClass
        @JvmStatic
        fun tearDown() {
            Server.stop()
        }

    }

    //some test cases

}

---

class UserIT {

    companion object {

        @BeforeClass
        @JvmStatic
        fun initialise() {
            baseURI = "http://localhost:4567"
            Server.start()
        }

        @AfterClass
        @JvmStatic
        fun tearDown() {
            Server.stop()
        }

    }

    //some test cases

}

and Server object:

object Server {

    fun start() {
        Spark.init()
        prepareRoutes()
    }

    fun stop() {
        Spark.stop()
    }

    private fun prepareRoutes() {
        get("/users", whatever)
        //more routes
    }        

}

When I run both test classes separately, it works fine. But, when I tell IDE to run both test classes, I'm getting connection refused error when second test class is run.

It seems like when server is stopped, it never starts again. It's like Spark.init() is not working after server being stopped.

I've also tried calling Spark.awaitInitialization() after Spark.init() .

What am I missing?

Answer 1

Solved! Actually, problem wasn't the server initialization after stopped. We must wait until server is stopped. I found the solution here .

fun stop() {
    try {
        Spark.stop()
        while (true) {
            try {
                Spark.port()
                Thread.sleep(500)
            } catch (ignored: IllegalStateException) {
                break
            }

        }
    } catch (ex: Exception) {
    }
}