/Java/Java.lang.IllegalStateException: Not scheduled yet

Java.lang.IllegalStateException: Not scheduled yet

new BukkitRunnable() {
	int timer = 10;

	@Override
	public void run() {
		if (timer == 0) cancel();
        else Bukkit.broadcastMessage("Starting in: " + timer--);
	}

	@Override
	public synchronized void cancel() throws IllegalStateException {
        Bukkit.broadcastMessage("Action!");
		super.cancel();
	}
}.runTaskTimer(Main.main(), 0L, 20L); // repeat every second

Source: bukkit.org

Similar codes

0 vote217 views1 answer
Implement two interfaces java
Java
6 votes206 views5 answers
Android substring
Java
1 vote195 views1 answer
Json array get json object
Java
1 vote196 views2 answers
Jframe change icon
Java
2 votes220 views3 answers
String to localdate in java
Java
0 vote239 views1 answer
How to assign null to a variable in Java
Java
-1 vote210 views1 answer
Spring security after login redirect
Java
1 vote198 views6 answers
This version of the Android Support plugin for IntelliJ IDEA (or Android Studio) cannot open this project, please retry with version 4.2 or newer.
Java
1 vote267 views2 answers
Java get month
Java
0 vote234 views2 answers
Java find all of letter in string
Java