List of usage examples for javax.management MBeanServerConnection getObjectInstance
public ObjectInstance getObjectInstance(ObjectName name) throws InstanceNotFoundException, IOException;
ObjectInstance for a given MBean registered with the MBean server. From source file:com.googlecode.jmxtrans.model.Query.java
public Iterable<Result> fetchResults(MBeanServerConnection mbeanServer, ObjectName queryName) throws InstanceNotFoundException, IntrospectionException, ReflectionException, IOException { MBeanInfo info = mbeanServer.getMBeanInfo(queryName); ObjectInstance oi = mbeanServer.getObjectInstance(queryName); List<String> attributes; if (attr.isEmpty()) { attributes = new ArrayList<>(); for (MBeanAttributeInfo attrInfo : info.getAttributes()) { attributes.add(attrInfo.getName()); }// w w w . jav a 2s . c o m } else { attributes = attr; } try { if (!attributes.isEmpty()) { logger.debug("Executing queryName [{}] from query [{}]", queryName.getCanonicalName(), this); AttributeList al = mbeanServer.getAttributes(queryName, attributes.toArray(new String[attributes.size()])); return new JmxResultProcessor(this, oi, al.asList(), info.getClassName(), queryName.getDomain()) .getResults(); } } catch (UnmarshalException ue) { if ((ue.getCause() != null) && (ue.getCause() instanceof ClassNotFoundException)) { logger.debug("Bad unmarshall, continuing. This is probably ok and due to something like this: " + "http://ehcache.org/xref/net/sf/ehcache/distribution/RMICacheManagerPeerListener.html#52", ue.getMessage()); } else { throw ue; } } return ImmutableList.of(); }
From source file:org.helios.collector.jmx.connection.AbstractMBeanServerConnectionFactory.java
/** * Returns the ObjectInstance for the passed ObjectName * @param objectName/*from ww w . ja va 2 s .c om*/ * @return * @throws InstanceNotFoundException * @throws IOException */ @Override @ManagedOperation public ObjectInstance getObjectInstance(ObjectName objectName) throws InstanceNotFoundException, IOException { validateConn(); MBeanServerConnection conn = null; try { conn = getPooledConnection(); return conn.getObjectInstance(objectName); } catch (MBeanServerConnectionFactoryException e) { throw new RuntimeException("Failed to get pooled connection", e); } finally { try { this.returnPooledConnection(conn); } catch (Exception e) { log.debug(e.getMessage()); } } }
From source file:org.hyperic.hq.plugin.jboss.JBossUtil.java
static Object getRemoteMBeanValue(Metric metric) throws MetricNotFoundException, MetricInvalidException, MetricUnreachableException, PluginException { MBeanServerConnection mServer = null; boolean cached = true; String url = getServerURL(metric); synchronized (serverCache) { mServer = (MBeanServerConnection) serverCache.get(url); }//from w ww . j a v a 2s .com if (mServer == null) { cached = false; try { mServer = getMBeanServerConnection(metric); //jndi lookup } catch (NamingException e) { throw unreachable(metric, e); } catch (RemoteException e) { throw unreachable(metric, e); } determineJSR77Case(url, mServer); synchronized (serverCache) { serverCache.put(url, mServer); } } String attrName = metric.getAttributeName(); boolean lc; Boolean jsr77Case; synchronized (lowerCaseURLMappings) { jsr77Case = (Boolean) lowerCaseURLMappings.get(url); } if (jsr77Case != null) { lc = jsr77Case.booleanValue(); } else { lc = Character.isLowerCase(attrName.charAt(0)); } String lcAttr; //another 3.2.8 hack if (lc && ((lcAttr = (String) jsr77LowerCase.get(attrName)) != null)) { attrName = lcAttr; } try { ObjectName objName = new ObjectName(metric.getObjectName()); if (attrName.substring(1).startsWith(/*S*/"tatistic")) { return getJSR77Statistic(mServer, objName, metric, lc); } else if (attrName.equals("__INSTANCE__")) { //cheap hack for an avail metric for MBeans that dont //have anything better we can use, e.g. Hibernate. try { mServer.getObjectInstance(objName); return Boolean.TRUE; } catch (Exception e) { return Boolean.FALSE; } } else { return mServer.getAttribute(objName, attrName); } } catch (MalformedObjectNameException e) { throw invalid(metric, e); } catch (InstanceNotFoundException e) { throw notfound(metric, e); } catch (AttributeNotFoundException e) { //XXX not all MBeans have a reasonable attribute to //determine availability, so just assume if we get this far //the MBean exists and is alive. if (attrName.equals(Metric.ATTR_AVAIL)) { return new Double(Metric.AVAIL_UP); } throw notfound(metric, e); } catch (ReflectionException e) { throw error(metric, e); } catch (MBeanException e) { throw error(metric, e); } catch (RuntimeMBeanException e) { throw error(metric, e); } catch (Exception e) { //CommunicationException, NamingException, RemoteException, etc. if (cached) { //retry once, in the event the cached connection was stale synchronized (serverCache) { serverCache.remove(url); } log.debug("MBeanServerConnection cache cleared for " + url); return getRemoteMBeanValue(metric); } else { throw unreachable(metric, e); } } }
From source file:org.hyperic.hq.plugin.tomcat.JBossUtil.java
static Object getRemoteMBeanValue(Metric metric) throws MetricNotFoundException, MetricInvalidException, MetricUnreachableException, PluginException { MBeanServerConnection mServer = null; boolean cached = true; String url = getServerURL(metric); synchronized (serverCache) { mServer = (MBeanServerConnection) serverCache.get(url); }/*from w w w .j a v a2 s. c o m*/ if (mServer == null) { cached = false; try { mServer = getMBeanServerConnection(metric); //jndi lookup } catch (NamingException e) { throw unreachable(metric, e); } catch (RemoteException e) { throw unreachable(metric, e); } // determineJSR77Case(url, mServer); synchronized (serverCache) { serverCache.put(url, mServer); } } String attrName = metric.getAttributeName(); boolean lc; Boolean jsr77Case; synchronized (lowerCaseURLMappings) { jsr77Case = (Boolean) lowerCaseURLMappings.get(url); } if (jsr77Case != null) { lc = jsr77Case.booleanValue(); } else { lc = Character.isLowerCase(attrName.charAt(0)); } String lcAttr; //another 3.2.8 hack if (lc && ((lcAttr = (String) jsr77LowerCase.get(attrName)) != null)) { attrName = lcAttr; } try { ObjectName objName = new ObjectName(metric.getObjectName()); if (attrName.substring(1).startsWith(/*S*/"tatistic")) { return getJSR77Statistic(mServer, objName, metric, lc); } else if (attrName.equals("__INSTANCE__")) { //cheap hack for an avail metric for MBeans that dont //have anything better we can use, e.g. Hibernate. try { mServer.getObjectInstance(objName); return Boolean.TRUE; } catch (Exception e) { return Boolean.FALSE; } } else { return mServer.getAttribute(objName, attrName); } } catch (MalformedObjectNameException e) { throw invalid(metric, e); } catch (InstanceNotFoundException e) { throw notfound(metric, e); } catch (AttributeNotFoundException e) { //XXX not all MBeans have a reasonable attribute to //determine availability, so just assume if we get this far //the MBean exists and is alive. if (attrName.equals(Metric.ATTR_AVAIL)) { return new Double(Metric.AVAIL_UP); } throw notfound(metric, e); } catch (ReflectionException e) { throw error(metric, e); } catch (MBeanException e) { throw error(metric, e); } catch (RuntimeMBeanException e) { throw error(metric, e); } catch (Exception e) { //CommunicationException, NamingException, RemoteException, etc. if (cached) { //retry once, in the event the cached connection was stale synchronized (serverCache) { serverCache.remove(url); } log.debug("MBeanServerConnection cache cleared for " + url); return getRemoteMBeanValue(metric); } else { throw unreachable(metric, e); } } }