Jump to content
  • 0

aCis Geodata Error


Question

Posted

Anyone know error reason?

 

Exception in thread "main" java.lang.NoSuchMethodError: java.nio.ByteBuffer.clear()Ljava/nio/ByteBuffer;
        at net.sf.l2j.gameserver.geoengine.geodata.BlockMultilayer.<init>(BlockMultilayer.java:89)
        at net.sf.l2j.gameserver.geoengine.GeoEngine.loadGeoBlocks(GeoEngine.java:279)
        at net.sf.l2j.gameserver.geoengine.GeoEngine.<init>(GeoEngine.java:92)
        at net.sf.l2j.gameserver.geoengine.GeoEngine$SingletonHolder.<clinit>(GeoEngine.java:1521)
        at net.sf.l2j.gameserver.geoengine.GeoEngine.getInstance(GeoEngine.java:1516)
        at net.sf.l2j.gameserver.GameServer.<init>(GameServer.java:215)
        at net.sf.l2j.gameserver.GameServer.main(GameServer.java:127)

 

Thank you for helping. 

6 answers to this question

Recommended Posts

  • 0
Posted (edited)
47 minutes ago, bras1las said:

Anyone know error reason?

 

Exception in thread "main" java.lang.NoSuchMethodError: java.nio.ByteBuffer.clear()Ljava/nio/ByteBuffer;
        at net.sf.l2j.gameserver.geoengine.geodata.BlockMultilayer.<init>(BlockMultilayer.java:89)
        at net.sf.l2j.gameserver.geoengine.GeoEngine.loadGeoBlocks(GeoEngine.java:279)
        at net.sf.l2j.gameserver.geoengine.GeoEngine.<init>(GeoEngine.java:92)
        at net.sf.l2j.gameserver.geoengine.GeoEngine$SingletonHolder.<clinit>(GeoEngine.java:1521)
        at net.sf.l2j.gameserver.geoengine.GeoEngine.getInstance(GeoEngine.java:1516)
        at net.sf.l2j.gameserver.GameServer.<init>(GameServer.java:215)
        at net.sf.l2j.gameserver.GameServer.main(GameServer.java:127)

 

Thank you for helping. 

Java 9 introduces overridden methods with covariant return types for the following methods in java.nio.ByteBuffer that are used by the driver:

  • position
  • limit
  • flip
  • clear

In Java 9 they all now return ByteBuffer, whereas the methods they override return Buffer,
resulting in exceptions like this when executing on Java 8 and lower:

java.lang.NoSuchMethodError: java.nio.ByteBuffer.limit(I)Ljava/nio/ByteBuffer

This is because the generated byte code includes the static return type of the method, which is not found on Java 8 and lower because the overloaded methods with covariant return types don't exist.

The solution is to cast ByteBuffer instances to Buffer before calling the method.

https://jira.mongodb.org/browse/JAVA-2559

Edited by Reynald0

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


×
×
  • Create New...

Important Information

This community uses essential cookies to function properly. Non-essential cookies and third-party services are used only with your consent. Read our Privacy Policy and We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue..

AdBlock Extension Detected!

Our website is made possible by displaying online advertisements to our members.

Please disable AdBlock browser extension first, to be able to use our community.

I've Disabled AdBlock