[IGNITE-2192] Calling forOldest() on an empty cluster group raises a NullPointerException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: ignite-1.4, 1.5.0.final
• Fix Version/s: 1.5.0.final
• Flags: Patch
• Assignee: Unassigned
• Reporter: Noam Liran
• Created: 17/Dec/15 11:39
• Updated: 11/May/16 05:22
• Resolved: 18/Dec/15 09:11

Description

Easy to reproduce and fix:

import org.apache.ignite.Ignite;
import org.apache.ignite.Ignition;
import org.apache.ignite.cluster.ClusterGroup;
import org.apache.ignite.configuration.IgniteConfiguration;

/**
 * Created by noliran on 17/12/2015.
 */
public class Main {
    public static void main(String[] args) throws InterruptedException {
        Ignite ignite = Ignition.start(new IgniteConfiguration());
        ClusterGroup clusterGroup = ignite.cluster().forAttribute("nonexistent", "value").forOldest();
        // Exception was just raised
    }
}