A DESCRIPTION OF THE PROBLEM :
When you set an invalid attribute which could trigger an exception for an object, setAttribute will throw a RuntimeMBeanException wrapping that exception. But the documentation does not mention this.


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import java.lang.management.*;
import javax.management.*;
import java.util.*;
import static java.lang.management.ManagementFactory.*;

public class MXBeanException {
    public static void main(String[] argv) throws Exception {
        List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
        MemoryPoolMXBean pool = null;
        for (MemoryPoolMXBean p : pools) {
            if (!p.isUsageThresholdSupported()) {
                pool = p;
                break;
            }
        }

        // Get expected exception type from direct call
        Class<? extends Throwable> directExceptionClass = null;
        try {
            pool.setUsageThreshold(1000);
        } catch (UnsupportedOperationException e) {
            System.out.println("Can't set usage threshold for memory pool: " + pool.getName());
            directExceptionClass = e.getClass();
        }

        // Check exception through MBeanServer
        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        ObjectName on = new ObjectName(MEMORY_POOL_MXBEAN_DOMAIN_TYPE +
                                       ",name=" + pool.getName());
        Attribute att = new Attribute("UsageThreshold", 1000);
        try {
            mbs.setAttribute(on, att);
        } catch (MBeanException | RuntimeOperationsException | InvalidAttributeValueException | AttributeNotFoundException |
                 InstanceNotFoundException e) {
            //
        }

    }


}
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