我有下面的代码,只是列出了在平台MBean服务器中的所有MBean的名称:如何初始化的JRockit的MBean树
public static void main(final String[] args) throws Exception {
initJMX();
}
@SuppressWarnings("unchecked")
private static void initJMX() throws IOException, MalformedURLException, AttributeNotFoundException,
InstanceNotFoundException, MalformedObjectNameException, MBeanException, ReflectionException,
NullPointerException {
JMXConnector jmxc = null;
final Map<String, String> map = new HashMap<String, String>();
jmxc = JMXConnectorFactory.newJMXConnector(createConnectionURL("localhost", 7788), map);
jmxc.connect();
final MBeanServerConnection connection = jmxc.getMBeanServerConnection();
final String[] domains = connection.getDomains();
for (final String domain : domains) {
final Set<ObjectName> mBeans = connection.queryNames(new ObjectName(domain + ":*"), null);
for (final ObjectName name : mBeans) {
System.out.println(name);
}
}
jmxc.close();
}
当我尝试使用的JRockit 1.5.0_4.0.1与以下运行这段代码参数:
-Xmanagement:ssl=false,authenticate=false,autodiscovery=false,port=7788
而且它打印以下列表:
[INFO ][mgmnt ] Remote JMX connector started at address localhost:7788
[INFO ][mgmnt ] Local JMX connector started
com.oracle.jrockit:type=FlightRecorder
java.util.logging:type=Logging
JMImplementation:type=MBeanServerDelegate
java.lang:type=Compilation
java.lang:type=GarbageCollector,name=Garbage collection optimized for throughput Young Collector
java.lang:type=MemoryManager,name=Class Manager
java.lang:type=MemoryPool,name=ClassBlock Memory
java.lang:type=GarbageCollector,name=Garbage collection optimized for throughput Old Collector
java.lang:type=Runtime
java.lang:type=MemoryPool,name=Nursery
java.lang:type=ClassLoading
java.lang:type=Threading
java.lang:type=MemoryPool,name=Class Memory
java.lang:type=OperatingSystem
java.lang:type=Memory
java.lang:type=MemoryPool,name=Old Space
但是,如果我把一个breakpoi NT之前initJMX方法,并在该点呼叫连接到与JRMC该JVM,然后JRMC显示更多的MBean还后,我继续执行程序也打印其中包含了更多的JRockit有关MBean的不同的列表:
[INFO ][mgmnt ] Remote JMX connector started at address T500W7AAD:7788
[INFO ][mgmnt ] Local JMX connector started
com.oracle.jrockit:type=FlightRecorder
oracle.jrockit.management:type=PerfCounters
oracle.jrockit.management:type=Compilation
oracle.jrockit.management:type=Log
oracle.jrockit.management:type=Profiler
oracle.jrockit.management:type=MemLeak
oracle.jrockit.management:type=JRockitConsole
oracle.jrockit.management:type=GarbageCollector
oracle.jrockit.management:type=Runtime
oracle.jrockit.management:type=Threading
oracle.jrockit.management:type=DiagnosticCommand
oracle.jrockit.management:type=Memory
java.util.logging:type=Logging
JMImplementation:type=MBeanServerDelegate
java.lang:type=Compilation
java.lang:type=GarbageCollector,name=Garbage collection optimized for throughput Young Collector
java.lang:type=MemoryManager,name=Class Manager
java.lang:type=MemoryPool,name=ClassBlock Memory
java.lang:type=GarbageCollector,name=Garbage collection optimized for throughput Old Collector
java.lang:type=Runtime
java.lang:type=MemoryPool,name=Nursery
java.lang:type=ClassLoading
java.lang:type=Threading
java.lang:type=MemoryPool,name=Class Memory
java.lang:type=OperatingSystem
java.lang:type=Memory
java.lang:type=MemoryPool,name=Old Space
有没有办法让JRockit在JVM启动时自动初始化这些bean,而不需要明确的JRMC连接?问题是我正在尝试编写一些重用这些MBean的代码,但在我连接到JRMC之前它们不可用。
UPDATE:这似乎是JRockit jdk1.5.0_4.0.1的问题。由于相同的代码在JRockit jdk6.0_4.1.0上按预期工作。
请注意不支持oracle *和com.oracle * mbeans在JRMC之外访问。 – staffan 2012-02-17 16:26:34