Exemplo n.º 1
0
  /**
   * Program Main
   *
   * <p>Lookup all JMX agents in the Jini Lookup Service and list their MBeans and attributes.
   *
   * <p>You may wish to use the following properties on the Java command line:
   *
   * <ul>
   *   <li><code>-Dagent.name=&lt;AgentName&gt;</code>: specifies an AgentName to lookup (default is
   *       null, meaning any agent).
   *   <li><code>-Djini.lookup.url=&lt;jini-url&gt;</code>: the Jini Lookup Service URL (default is
   *       "jini://localhost"), see {@link #getRegistrar()}.
   *   <li><code>-Ddebug="true|false"</code>: switch the Client debug flag on/off (default is
   *       "false").
   * </ul>
   */
  public static void main(String[] args) {
    try {
      // Jini requires a security manager.
      //
      if (System.getSecurityManager() == null) System.setSecurityManager(new RMISecurityManager());

      // Get the value of the debug flag.
      //
      debug = (Boolean.valueOf(System.getProperty("debug", "false"))).booleanValue();

      // Get AgentName to lookup. If not defined, all agents
      // are looked up.
      //
      final String agentName = System.getProperty("agent.name");

      // Get a pointer to the Jini Lookup Service.
      //
      final ServiceRegistrar registrar = getRegistrar();
      debug("registrar is: " + registrar);

      // Lookup all matching agents in the Jini Lookup Service.
      //
      List l = lookup(registrar, agentName);

      // Attempt to connect to retrieved agents
      //
      System.out.println("Number of agents found : " + l.size());
      int j = 1;
      for (Iterator i = l.iterator(); i.hasNext(); j++) {
        JMXConnector c1 = (JMXConnector) i.next();
        if (c1 != null) {

          // Connect
          //
          System.out.println("----------------------------------------------------");
          System.out.println("\tConnecting to agent number " + j);
          System.out.println("----------------------------------------------------");
          debug("JMXConnector is: " + c1);

          try {
            c1.connect(null);
          } catch (IOException x) {
            System.err.println("Connection failed: " + x);
            if (debug) x.printStackTrace(System.err);
            continue;
          }

          // Get MBeanServerConnection
          //
          MBeanServerConnection conn = c1.getMBeanServerConnection();
          debug("Connection is:" + conn);
          System.out.println("Server domain is: " + conn.getDefaultDomain());

          // List all MBeans
          //
          try {
            listMBeans(conn);
          } catch (IOException x) {
            System.err.println("Failed to list MBeans: " + x);
            if (debug) x.printStackTrace(System.err);
          }

          // Close connector
          //
          try {
            c1.close();
          } catch (IOException x) {
            System.err.println("Failed to close connection: " + x);
            if (debug) x.printStackTrace(System.err);
          }
        }
      }
    } catch (Exception x) {
      System.err.println("Unexpected exception caught in main: " + x);
      x.printStackTrace(System.err);
    }
  }
Exemplo n.º 2
0
  /**
   * Program Main.
   *
   * <p>Lookup all JMX agents in the LDAP Directory and list their MBeans and attributes.
   *
   * <p>You may wish to use the following properties on the Java command line:
   *
   * <ul>
   *   <li><code>-Dagent.name=&lt;AgentName&gt;</code>: specifies an AgentName to lookup (default is
   *       null, meaning any agent).
   *   <li><code>-Dprotocol=&lt;ProtocolType&gt;</code>: restrains the client to lookup for a
   *       specific protocol type (default is null, meaning any type).
   *   <li><code>-Djava.naming.factory.initial=&lt;initial-context-factory&gt;
   *     </code>: The initial context factory to use for accessing the LDAP directory (see {@link
   *       Context#INITIAL_CONTEXT_FACTORY Context.INITIAL_CONTEXT_FACTORY}) - default is <code>
   *       "com.sun.jndi.ldap.LdapCtxFactory"</code>.
   *   <li><code>-Djava.naming.provider.url=&lt;provider-url&gt;</code>: The LDAP Provider URL (see
   *       {@link Context#PROVIDER_URL Context.PROVIDER_URL}).
   *   <li><code>-Djava.naming.security.principal=&lt;ldap-principal&gt;
   *     </code>: The security principal (login) to use to connect with the LDAP directory (see
   *       {@link Context#SECURITY_PRINCIPAL Context.SECURITY_PRINCIPAL} - default is <code>
   *       "cn=Directory Manager"</code>.
   *   <li><code>-Djava.naming.security.credentials=&lt;ldap-credentials&gt;
   *     </code>: The security credentials (password) to use to connect with the LDAP directory (see
   *       {@link Context#SECURITY_CREDENTIALS Context.SECURITY_CREDENTIALS}).
   *   <li><code>-Ddebug="true|false"</code>: switch the Server debug flag on/off (default is
   *       "false")
   * </ul>
   */
  public static void main(String[] args) {
    try {
      // Get the value of the debug flag.
      //
      debug = (Boolean.valueOf(System.getProperty("debug", "false"))).booleanValue();

      // Get a pointer to the LDAP Directory.
      //
      final DirContext root = getRootContext();
      debug("root is: " + root.getNameInNamespace());

      final String protocolType = System.getProperty("protocol");
      final String agentName = System.getProperty("agent.name");

      // Lookup all matching agents in the LDAP Directory.
      //
      List l = lookup(root, protocolType, agentName);

      // Attempt to connect to retrieved agents
      //
      System.out.println("Number of agents found : " + l.size());
      int j = 1;
      for (Iterator i = l.iterator(); i.hasNext(); j++) {
        JMXConnector c1 = (JMXConnector) i.next();
        if (c1 != null) {

          // Connect
          //
          System.out.println("----------------------------------------------------");
          System.out.println("\tConnecting to agent number " + j);
          System.out.println("----------------------------------------------------");
          debug("JMXConnector is: " + c1);

          // Prepare the environment Map
          //
          final HashMap env = new HashMap();
          final String factory = System.getProperty(Context.INITIAL_CONTEXT_FACTORY);
          final String ldapServerUrl = System.getProperty(Context.PROVIDER_URL);
          final String ldapUser = System.getProperty(Context.SECURITY_PRINCIPAL);
          final String ldapPasswd = System.getProperty(Context.SECURITY_CREDENTIALS);

          // Transfer some system properties to the Map
          //
          if (factory != null) // this should not be needed
          env.put(Context.INITIAL_CONTEXT_FACTORY, factory);
          if (ldapServerUrl != null) // this should not be needed
          env.put(Context.PROVIDER_URL, ldapServerUrl);
          if (ldapUser != null) // this is needed when LDAP is used
          env.put(Context.SECURITY_PRINCIPAL, ldapUser);
          if (ldapPasswd != null) // this is needed when LDAP is used
          env.put(Context.SECURITY_CREDENTIALS, ldapPasswd);

          try {
            c1.connect(env);
          } catch (IOException x) {
            System.err.println("Connection failed: " + x);
            x.printStackTrace(System.err);
            continue;
          }

          // Get MBeanServerConnection
          //
          MBeanServerConnection conn = c1.getMBeanServerConnection();
          debug("Connection is:" + conn);
          System.out.println("Server domain is: " + conn.getDefaultDomain());

          // List all MBeans
          //
          try {
            listMBeans(conn);
          } catch (IOException x) {
            System.err.println("Failed to list MBeans: " + x);
            x.printStackTrace(System.err);
          }

          // Close connector
          //
          try {
            c1.close();
          } catch (IOException x) {
            System.err.println("Failed to close connection: " + x);
            x.printStackTrace(System.err);
          }
        }
      }
    } catch (Exception x) {
      System.err.println("Unexpected exception caught in main: " + x);
      x.printStackTrace(System.err);
    }
  }
Exemplo n.º 3
0
  private void tryConnect(boolean requireRemoteSSL) throws IOException {
    if (jmxUrl == null && "localhost".equals(hostName) && port == 0) {
      // Monitor self
      this.jmxc = null;
      this.mbsc = ManagementFactory.getPlatformMBeanServer();
      this.server = Snapshot.newSnapshot(mbsc);
    } else {
      // Monitor another process
      if (lvm != null) {
        if (!lvm.isManageable()) {
          lvm.startManagementAgent();
          if (!lvm.isManageable()) {
            // FIXME: what to throw
            throw new IOException(lvm + "not manageable");
          }
        }
        if (this.jmxUrl == null) {
          this.jmxUrl = new JMXServiceURL(lvm.connectorAddress());
        }
      }
      Map<String, Object> env = new HashMap<String, Object>();
      if (requireRemoteSSL) {
        env.put("jmx.remote.x.check.stub", "true");
      }
      // Need to pass in credentials ?
      if (userName == null && password == null) {
        if (isVmConnector()) {
          // Check for SSL config on reconnection only
          if (stub == null) {
            checkSslConfig();
          }
          this.jmxc = new RMIConnector(stub, null);
          jmxc.connect(env);
        } else {
          this.jmxc = JMXConnectorFactory.connect(jmxUrl, env);
        }
      } else {
        env.put(JMXConnector.CREDENTIALS, new String[] {userName, password});
        if (isVmConnector()) {
          // Check for SSL config on reconnection only
          if (stub == null) {
            checkSslConfig();
          }
          this.jmxc = new RMIConnector(stub, null);
          jmxc.connect(env);
        } else {
          this.jmxc = JMXConnectorFactory.connect(jmxUrl, env);
        }
      }
      this.mbsc = jmxc.getMBeanServerConnection();
      this.server = Snapshot.newSnapshot(mbsc);
    }
    this.isDead = false;

    try {
      ObjectName on = new ObjectName(THREAD_MXBEAN_NAME);
      this.hasPlatformMXBeans = server.isRegistered(on);
      this.hasHotSpotDiagnosticMXBean =
          server.isRegistered(new ObjectName(HOTSPOT_DIAGNOSTIC_MXBEAN_NAME));
      // check if it has 6.0 new APIs
      if (this.hasPlatformMXBeans) {
        MBeanOperationInfo[] mopis = server.getMBeanInfo(on).getOperations();
        // look for findDeadlockedThreads operations;
        for (MBeanOperationInfo op : mopis) {
          if (op.getName().equals("findDeadlockedThreads")) {
            this.supportsLockUsage = true;
            break;
          }
        }

        on = new ObjectName(COMPILATION_MXBEAN_NAME);
        this.hasCompilationMXBean = server.isRegistered(on);
      }
    } catch (MalformedObjectNameException e) {
      // should not reach here
      throw new InternalError(e.getMessage());
    } catch (IntrospectionException e) {
      InternalError ie = new InternalError(e.getMessage());
      ie.initCause(e);
      throw ie;
    } catch (InstanceNotFoundException e) {
      InternalError ie = new InternalError(e.getMessage());
      ie.initCause(e);
      throw ie;
    } catch (ReflectionException e) {
      InternalError ie = new InternalError(e.getMessage());
      ie.initCause(e);
      throw ie;
    }

    if (hasPlatformMXBeans) {
      // WORKAROUND for bug 5056632
      // Check if the access role is correct by getting a RuntimeMXBean
      getRuntimeMXBean();
    }
  }