List of usage examples for java.lang.management ManagementFactory getPlatformMBeanServer
public static synchronized MBeanServer getPlatformMBeanServer()
From source file:org.lealone.cluster.gms.FailureDetector.java
public FailureDetector() { // Register this instance with JMX try {//from ww w . j ava 2 s .c o m MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); mbs.registerMBean(this, new ObjectName(Utils.getJmxObjectName("FailureDetector"))); } catch (Exception e) { throw new RuntimeException(e); } }
From source file:com.rackspacecloud.blueflood.cache.TtlCacheTest.java
@After public void deregister() throws Exception { final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); final String name = String.format(TtlCache.class.getPackage().getName() + ":type=%s,scope=%s,name=Stats", TtlCache.class.getSimpleName(), "Test"); final ObjectName nameObj = new ObjectName(name); mbs.unregisterMBean(nameObj);/*from www . java 2 s . c o m*/ // involves a little unsafe knowledge of TtlCache internals. Metrics.defaultRegistry().removeMetric(TtlCache.class, "Load Errors", "Test"); Metrics.defaultRegistry().removeMetric(TtlCache.class, "Http Errors", "Test"); }
From source file:org.apache.hadoop.hdfs.server.namenode.TestNameNodeMXBean.java
@SuppressWarnings({ "unchecked" })
@Test/* ww w. j ava2 s .c o m*/
public void testNameNodeMXBeanInfo() throws Exception {
Configuration conf = new Configuration();
conf.setLong(DFSConfigKeys.DFS_DATANODE_MAX_LOCKED_MEMORY_KEY,
NativeIO.POSIX.getCacheManipulator().getMemlockLimit());
MiniDFSCluster cluster = null;
try {
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(2).build();
cluster.waitActive();
FSNamesystem fsn = cluster.getNameNode().namesystem;
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
ObjectName mxbeanName = new ObjectName("Hadoop:service=NameNode,name=NameNodeInfo");
// get attribute "ClusterId"
String clusterId = (String) mbs.getAttribute(mxbeanName, "ClusterId");
assertEquals(fsn.getClusterId(), clusterId);
// get attribute "BlockPoolId"
String blockpoolId = (String) mbs.getAttribute(mxbeanName, "BlockPoolId");
assertEquals(fsn.getBlockPoolId(), blockpoolId);
// get attribute "Version"
String version = (String) mbs.getAttribute(mxbeanName, "Version");
assertEquals(fsn.getVersion(), version);
assertTrue(version.equals(VersionInfo.getVersion() + ", r" + VersionInfo.getRevision()));
// get attribute "Used"
Long used = (Long) mbs.getAttribute(mxbeanName, "Used");
assertEquals(fsn.getUsed(), used.longValue());
// get attribute "Total"
Long total = (Long) mbs.getAttribute(mxbeanName, "Total");
assertEquals(fsn.getTotal(), total.longValue());
// get attribute "safemode"
String safemode = (String) mbs.getAttribute(mxbeanName, "Safemode");
assertEquals(fsn.getSafemode(), safemode);
// get attribute nondfs
Long nondfs = (Long) (mbs.getAttribute(mxbeanName, "NonDfsUsedSpace"));
assertEquals(fsn.getNonDfsUsedSpace(), nondfs.longValue());
// get attribute percentremaining
Float percentremaining = (Float) (mbs.getAttribute(mxbeanName, "PercentRemaining"));
assertEquals(fsn.getPercentRemaining(), percentremaining, DELTA);
// get attribute Totalblocks
Long totalblocks = (Long) (mbs.getAttribute(mxbeanName, "TotalBlocks"));
assertEquals(fsn.getTotalBlocks(), totalblocks.longValue());
// get attribute alivenodeinfo
String alivenodeinfo = (String) (mbs.getAttribute(mxbeanName, "LiveNodes"));
Map<String, Map<String, Object>> liveNodes = (Map<String, Map<String, Object>>) JSON
.parse(alivenodeinfo);
assertTrue(liveNodes.size() == 2);
for (Map<String, Object> liveNode : liveNodes.values()) {
assertTrue(liveNode.containsKey("nonDfsUsedSpace"));
assertTrue(((Long) liveNode.get("nonDfsUsedSpace")) > 0);
assertTrue(liveNode.containsKey("capacity"));
assertTrue(((Long) liveNode.get("capacity")) > 0);
assertTrue(liveNode.containsKey("numBlocks"));
assertTrue(((Long) liveNode.get("numBlocks")) == 0);
}
assertEquals(fsn.getLiveNodes(), alivenodeinfo);
// get attribute deadnodeinfo
String deadnodeinfo = (String) (mbs.getAttribute(mxbeanName, "DeadNodes"));
assertEquals(fsn.getDeadNodes(), deadnodeinfo);
// get attribute NodeUsage
String nodeUsage = (String) (mbs.getAttribute(mxbeanName, "NodeUsage"));
assertEquals("Bad value for NodeUsage", fsn.getNodeUsage(), nodeUsage);
// get attribute NameJournalStatus
String nameJournalStatus = (String) (mbs.getAttribute(mxbeanName, "NameJournalStatus"));
assertEquals("Bad value for NameJournalStatus", fsn.getNameJournalStatus(), nameJournalStatus);
// get attribute JournalTransactionInfo
String journalTxnInfo = (String) mbs.getAttribute(mxbeanName, "JournalTransactionInfo");
assertEquals("Bad value for NameTxnIds", fsn.getJournalTransactionInfo(), journalTxnInfo);
// get attribute "NNStarted"
String nnStarted = (String) mbs.getAttribute(mxbeanName, "NNStarted");
assertEquals("Bad value for NNStarted", fsn.getNNStarted(), nnStarted);
// get attribute "CompileInfo"
String compileInfo = (String) mbs.getAttribute(mxbeanName, "CompileInfo");
assertEquals("Bad value for CompileInfo", fsn.getCompileInfo(), compileInfo);
// get attribute CorruptFiles
String corruptFiles = (String) (mbs.getAttribute(mxbeanName, "CorruptFiles"));
assertEquals("Bad value for CorruptFiles", fsn.getCorruptFiles(), corruptFiles);
// get attribute NameDirStatuses
String nameDirStatuses = (String) (mbs.getAttribute(mxbeanName, "NameDirStatuses"));
assertEquals(fsn.getNameDirStatuses(), nameDirStatuses);
Map<String, Map<String, String>> statusMap = (Map<String, Map<String, String>>) JSON
.parse(nameDirStatuses);
Collection<URI> nameDirUris = cluster.getNameDirs(0);
for (URI nameDirUri : nameDirUris) {
File nameDir = new File(nameDirUri);
System.out.println("Checking for the presence of " + nameDir + " in active name dirs.");
assertTrue(statusMap.get("active").containsKey(nameDir.getAbsolutePath()));
}
assertEquals(2, statusMap.get("active").size());
assertEquals(0, statusMap.get("failed").size());
// This will cause the first dir to fail.
File failedNameDir = new File(nameDirUris.iterator().next());
assertEquals(0, FileUtil.chmod(new File(failedNameDir, "current").getAbsolutePath(), "000"));
cluster.getNameNodeRpc().rollEditLog();
nameDirStatuses = (String) (mbs.getAttribute(mxbeanName, "NameDirStatuses"));
statusMap = (Map<String, Map<String, String>>) JSON.parse(nameDirStatuses);
for (URI nameDirUri : nameDirUris) {
File nameDir = new File(nameDirUri);
String expectedStatus = nameDir.equals(failedNameDir) ? "failed" : "active";
System.out.println(
"Checking for the presence of " + nameDir + " in " + expectedStatus + " name dirs.");
assertTrue(statusMap.get(expectedStatus).containsKey(nameDir.getAbsolutePath()));
}
assertEquals(1, statusMap.get("active").size());
assertEquals(1, statusMap.get("failed").size());
assertEquals(0L, mbs.getAttribute(mxbeanName, "CacheUsed"));
assertEquals(NativeIO.POSIX.getCacheManipulator().getMemlockLimit() * cluster.getDataNodes().size(),
mbs.getAttribute(mxbeanName, "CacheCapacity"));
assertNull("RollingUpgradeInfo should be null when there is no rolling" + " upgrade",
mbs.getAttribute(mxbeanName, "RollingUpgradeStatus"));
} finally {
if (cluster != null) {
for (URI dir : cluster.getNameDirs(0)) {
FileUtil.chmod(new File(new File(dir), "current").getAbsolutePath(), "755");
}
cluster.shutdown();
}
}
}
From source file:herddb.jdbc.MultipleDataSourcesSameJVMJMXTest.java
@Test public void test() throws Exception { try (Server server = new Server(new ServerConfiguration(folder.newFolder().toPath()))) { server.start();/*w w w . ja v a2s. c o m*/ server.waitForStandaloneBoot(); try (HDBClient client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));) { client.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server)); try (BasicHerdDBDataSource dataSource = new BasicHerdDBDataSource(client); BasicHerdDBDataSource dataSource_2 = new BasicHerdDBDataSource(client); Connection con = dataSource.getConnection(); Connection con_2 = dataSource_2.getConnection(); Statement statement = con.createStatement(); Statement statement_2 = con.createStatement();) { statement.execute("CREATE TABLE mytable (key string primary key, name string)"); assertEquals(1, statement.executeUpdate("INSERT INTO mytable (key,name) values('k1','name1')")); assertEquals(1, statement_2.executeUpdate("INSERT INTO mytable (key,name) values('k2','name2')")); assertEquals(1, statement.executeUpdate("INSERT INTO mytable (key,name) values('k3','name3')")); try (ResultSet rs = statement .executeQuery("SELECT * FROM mytable a" + " INNER JOIN mytable b ON 1=1")) { int count = 0; while (rs.next()) { count++; } assertEquals(9, count); } MBeanServer jmxServer = ManagementFactory.getPlatformMBeanServer(); Object attributeValue = jmxServer.getAttribute( new ObjectName("org.apache.commons.pool2:type=GenericObjectPool,name=HerdDBClient"), "BorrowedCount"); assertEquals(1L, attributeValue); Object attributeValue2 = jmxServer.getAttribute( new ObjectName("org.apache.commons.pool2:type=GenericObjectPool,name=HerdDBClient2"), "BorrowedCount"); assertEquals(1L, attributeValue2); } } } }
From source file:org.bigmouth.nvwa.transport.DelegatedSender.java
@Override protected void doInit() { Preconditions.checkNotNull(this.nextSender, "nextSender"); sendExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() { @Override/*from ww w . ja v a 2 s . co m*/ public Thread newThread(Runnable r) { return new Thread(r, threadName + "-" + idx.get()); } }); sendQueue = new LinkedBlockingQueue<Object>(pendingMessageCount); startupProcessor(); MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer(); if (null != senderMBeanName) { DelegatedSenderMBean acceptorMBean = new DelegatedSenderMBean(this); try { ObjectName acceptorName = new ObjectName(this.senderMBeanName); mBeanServer.registerMBean(acceptorMBean, acceptorName); } catch (MalformedObjectNameException e) { LOG.error("Unable DelegatedSender jmx register:", e); } catch (NullPointerException e) { LOG.error("Unable DelegatedSender jmx register:", e); } catch (InstanceAlreadyExistsException e) { LOG.error("Unable DelegatedSender jmx register:", e); } catch (MBeanRegistrationException e) { LOG.error("Unable DelegatedSender jmx register:", e); } catch (NotCompliantMBeanException e) { LOG.error("Unable MinaSender jmx register:", e); } } }
From source file:org.apache.streams.util.ComponentUtils.java
/** * Removes all mbeans registered undered a specific domain. Made specificly to clean up at unit tests * @param domain//from w w w . ja v a2 s . c o m */ public static void removeAllMBeansOfDomain(String domain) throws Exception { MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); domain = domain.endsWith(":") ? domain : domain + ":"; ObjectName objectName = new ObjectName(domain + "*"); Set<ObjectName> mbeanNames = mbs.queryNames(objectName, null); for (ObjectName name : mbeanNames) { mbs.unregisterMBean(name); } }
From source file:com.amazonaws.client.metrics.jmx.MBeans.java
/** * Returns the first registered MBean server, or the platform MBean server * if there is none./*w ww. jav a2s. c o m*/ */ public static MBeanServer getMBeanServer() { List<MBeanServer> servers = MBeanServerFactory.findMBeanServer(null); MBeanServer server = servers.size() > 0 ? servers.get(0) : ManagementFactory.getPlatformMBeanServer(); return server; }
From source file:com.obergner.hzserver.ServerInfo.java
/** * @throws IOException/*from w w w.ja va 2 s. com*/ * @throws MalformedURLException * @throws NullPointerException * @throws MalformedObjectNameException * @throws NotCompliantMBeanException * @throws MBeanRegistrationException * @throws InstanceAlreadyExistsException * */ public ServerInfo() throws MalformedURLException, IOException, InstanceAlreadyExistsException, MBeanRegistrationException, NotCompliantMBeanException, MalformedObjectNameException, NullPointerException { this.serverManifest = loadServerManifest(); this.objectName = new ObjectName(getClass().getPackage().getName() + ":name=ServerInfo"); ManagementFactory.getPlatformMBeanServer().registerMBean(this, this.objectName); }
From source file:org.apache.hadoop.hbase.util.JSONMetricUtil.java
/** * Returns a subset of mbeans defined by qry. * Modeled after {@link JSONBean#dumpRegionServerMetrics()} * Example: String qry= "java.lang:type=Memory" * @throws MalformedObjectNameException if json have bad format * @throws IOException ///from w ww. ja v a 2 s. co m * @return String representation of json array. */ public static String dumpBeanToString(String qry) throws MalformedObjectNameException, IOException { StringWriter sw = new StringWriter(1024 * 100); // Guess this size try (PrintWriter writer = new PrintWriter(sw)) { JSONBean dumper = new JSONBean(); try (JSONBean.Writer jsonBeanWriter = dumper.open(writer)) { MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer(); jsonBeanWriter.write(mbeanServer, new ObjectName(qry), null, false); } } sw.close(); return sw.toString(); }