is there a way to verify whether deployed coprocessor is loaded.

[James Teng]

hi all,Today when i tried to use hbase coprocessor, i encountered some issues 
there, and below is detailed problem:i have defined one pretty simple region 
observer:public class ClientGetRegionObserver extends BaseRegionObserver {
    public void preGet(ObserverContext<RegionCoprocessorEnvironment> e, Get 
get, List<KeyValue> results) throws IOException {
        if (Bytes.equals(get.getRow(), Bytes.toBytes(0))) {
            KeyValue kv = new KeyValue(Bytes.toBytes(0), Bytes.toBytes("d"), 
Bytes.toBytes("test"), Bytes.toBytes("xxx"));
            results.add(kv);
            e.bypass();
        }
    }
}and here is the config in hbase-site.xml <property>                
<name>hbase.coprocessor.region.classes</name>                
<value>com.dianping.hbase.ClientGetRegionObserver</value>        </property>
if the coprocessor works as expected, then i should get a column with value 
'xxx' when i issues a get request with row key 0. but it doesn't.could anyone 
give me some tips on this?
thanks!
james.