Proof that all exceptions, both operations within the try block, as well as the close, will be caught in a single catch and that embedded try blocks are unnecessary.

TryWithResourcesIgnoresClose.java

package com.connexta;

import static com.connexta.Utils.print;

import java.io.Closeable;
import java.io.IOException;

public class TryWithResourcesIgnoresClose {

    static void run() {
        try (ExampleAutoCloseable ex = new ExampleAutoCloseable()) {
            ex.doStuff();
        } catch (IOException e) {
            print("Catching exception");
        }
    }

    private static class ExampleAutoCloseable implements Closeable {

        public void doStuff() throws IOException {
            print("Nothing wrong here");
        }

        @Override
        public void close() throws IOException {
            throw new IOException("Haha I got through");
        }
    }
}