• root
• java
• j2se
• 1.6
• javax.management
• MBeanServerConnection

Methods

• addNotificationListenertop

  public void addNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, IOException

  Adds a listener to a registered MBean.

  A notification emitted by an MBean will be forwarded by the MBeanServer to the listener. If the source of the notification is a reference to an MBean object, the MBean server will replace it by that MBean's ObjectName. Otherwise the source is unchanged.

  Parameters:

  @param name The name of the MBean on which the listener should be added.

  @param listener The listener object which will handle the notifications emitted by the registered MBean.

  @param filter The filter object. If filter is null, no filtering will be performed before handling notifications.

  @param handback The context to be sent to the listener when a notification is emitted.

  Exceptions:

  @exception InstanceNotFoundException The MBean name provided does not match any of the registered MBeans.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.removeNotificationListener(javax.management.ObjectName, javax.management.NotificationListener)

  @see javax.management.MBeanServerConnection.removeNotificationListener(javax.management.ObjectName, javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)

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• addNotificationListenertop

  public void addNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, IOException

  Adds a listener to a registered MBean.

  A notification emitted by an MBean will be forwarded by the MBeanServer to the listener. If the source of the notification is a reference to an MBean object, the MBean server will replace it by that MBean's ObjectName. Otherwise the source is unchanged.

  The listener object that receives notifications is the one that is registered with the given name at the time this method is called. Even if it is subsequently unregistered, it will continue to receive notifications.

  Parameters:

  @param name The name of the MBean on which the listener should be added.

  @param listener The object name of the listener which will handle the notifications emitted by the registered MBean.

  @param filter The filter object. If filter is null, no filtering will be performed before handling notifications.

  @param handback The context to be sent to the listener when a notification is emitted.

  Exceptions:

  @exception InstanceNotFoundException The MBean name of the notification listener or of the notification broadcaster does not match any of the registered MBeans.

  @exception RuntimeOperationsException Wraps an IllegalArgumentException . The MBean named by listener exists but does not implement the javax.management.NotificationListener interface.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.removeNotificationListener(javax.management.ObjectName, javax.management.ObjectName)

  @see javax.management.MBeanServerConnection.removeNotificationListener(javax.management.ObjectName, javax.management.ObjectName, javax.management.NotificationFilter, java.lang.Object)

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• createMBeantop

  public ObjectInstance createMBean(String className, ObjectName name) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, IOException

  Instantiates and registers an MBean in the MBean server. The MBean server will use its Default Loader Repository to load the class of the MBean. An object name is associated to the MBean. If the object name given is null, the MBean must provide its own name by implementing the MBeanRegistration interface and returning the name from the preRegister method.

  This method is equivalent to createMBean(className, name, (Object[]) null, (String[]) null).

  Parameters:

  @param className The class name of the MBean to be instantiated.

  @param name The object name of the MBean. May be null.

  Return:

  @return An ObjectInstance, containing the ObjectName and the Java class name of the newly instantiated MBean. If the contained ObjectName is n, the contained Java class name is getMBeanInfo(n) .getClassName().

  Exceptions:

  @exception ReflectionException Wraps a java.lang.ClassNotFoundException or a java.lang.Exception that occurred when trying to invoke the MBean's constructor.

  @exception InstanceAlreadyExistsException The MBean is already under the control of the MBean server.

  @exception MBeanRegistrationException The preRegister (MBeanRegistration interface) method of the MBean has thrown an exception. The MBean will not be registered.

  @exception MBeanException The constructor of the MBean has thrown an exception

  @exception NotCompliantMBeanException This class is not a JMX compliant MBean

  @exception RuntimeOperationsException Wraps a java.lang.IllegalArgumentException: The className passed in parameter is null, the ObjectName passed in parameter contains a pattern or no ObjectName is specified for the MBean.

  @exception IOException A communication problem occurred when talking to the MBean server.

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• createMBeantop

  public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException, IOException

  Instantiates and registers an MBean in the MBean server. The class loader to be used is identified by its object name. An object name is associated to the MBean. If the object name of the loader is null, the ClassLoader that loaded the MBean server will be used. If the MBean's object name given is null, the MBean must provide its own name by implementing the MBeanRegistration interface and returning the name from the preRegister method.

  This method is equivalent to createMBean(className, name, loaderName, (Object[]) null, (String[]) null).

  Parameters:

  @param className The class name of the MBean to be instantiated.

  @param name The object name of the MBean. May be null.

  @param loaderName The object name of the class loader to be used.

  Return:

  @return An ObjectInstance, containing the ObjectName and the Java class name of the newly instantiated MBean. If the contained ObjectName is n, the contained Java class name is getMBeanInfo(n) .getClassName().

  Exceptions:

  @exception ReflectionException Wraps a java.lang.ClassNotFoundException or a java.lang.Exception that occurred when trying to invoke the MBean's constructor.

  @exception InstanceAlreadyExistsException The MBean is already under the control of the MBean server.

  @exception MBeanRegistrationException The preRegister (MBeanRegistration interface) method of the MBean has thrown an exception. The MBean will not be registered.

  @exception MBeanException The constructor of the MBean has thrown an exception

  @exception NotCompliantMBeanException This class is not a JMX compliant MBean

  @exception InstanceNotFoundException The specified class loader is not registered in the MBean server.

  @exception RuntimeOperationsException Wraps a java.lang.IllegalArgumentException: The className passed in parameter is null, the ObjectName passed in parameter contains a pattern or no ObjectName is specified for the MBean.

  @exception IOException A communication problem occurred when talking to the MBean server.

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• createMBeantop

  public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName, Object[] params, String[] signature) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException, IOException
  Instantiates and registers an MBean in the MBean server. The class loader to be used is identified by its object name. An object name is associated to the MBean. If the object name of the loader is not specified, the ClassLoader that loaded the MBean server will be used. If the MBean object name given is null, the MBean must provide its own name by implementing the MBeanRegistration interface and returning the name from the preRegister method.

  Parameters:

  @param className The class name of the MBean to be instantiated.

  @param name The object name of the MBean. May be null.

  @param params An array containing the parameters of the constructor to be invoked.

  @param signature An array containing the signature of the constructor to be invoked.

  @param loaderName The object name of the class loader to be used.

  Return:

  @return An ObjectInstance, containing the ObjectName and the Java class name of the newly instantiated MBean. If the contained ObjectName is n, the contained Java class name is getMBeanInfo(n) .getClassName().

  Exceptions:

  @exception ReflectionException Wraps a java.lang.ClassNotFoundException or a java.lang.Exception that occurred when trying to invoke the MBean's constructor.

  @exception InstanceAlreadyExistsException The MBean is already under the control of the MBean server.

  @exception MBeanRegistrationException The preRegister (MBeanRegistration interface) method of the MBean has thrown an exception. The MBean will not be registered.

  @exception MBeanException The constructor of the MBean has thrown an exception

  @exception NotCompliantMBeanException This class is not a JMX compliant MBean

  @exception InstanceNotFoundException The specified class loader is not registered in the MBean server.

  @exception RuntimeOperationsException Wraps a java.lang.IllegalArgumentException: The className passed in parameter is null, the ObjectName passed in parameter contains a pattern or no ObjectName is specified for the MBean.

  @exception IOException A communication problem occurred when talking to the MBean server.

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• createMBeantop

  public ObjectInstance createMBean(String className, ObjectName name, Object[] params, String[] signature) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, IOException
  Instantiates and registers an MBean in the MBean server. The MBean server will use its Default Loader Repository to load the class of the MBean. An object name is associated to the MBean. If the object name given is null, the MBean must provide its own name by implementing the MBeanRegistration interface and returning the name from the preRegister method.

  Parameters:

  @param className The class name of the MBean to be instantiated.

  @param name The object name of the MBean. May be null.

  @param params An array containing the parameters of the constructor to be invoked.

  @param signature An array containing the signature of the constructor to be invoked.

  Return:

  @return An ObjectInstance, containing the ObjectName and the Java class name of the newly instantiated MBean. If the contained ObjectName is n, the contained Java class name is getMBeanInfo(n) .getClassName().

  Exceptions:

  @exception ReflectionException Wraps a java.lang.ClassNotFoundException or a java.lang.Exception that occurred when trying to invoke the MBean's constructor.

  @exception InstanceAlreadyExistsException The MBean is already under the control of the MBean server.

  @exception MBeanRegistrationException The preRegister (MBeanRegistration interface) method of the MBean has thrown an exception. The MBean will not be registered.

  @exception MBeanException The constructor of the MBean has thrown an exception

  @exception NotCompliantMBeanException This class is not a JMX compliant MBean

  @exception RuntimeOperationsException Wraps a java.lang.IllegalArgumentException: The className passed in parameter is null, the ObjectName passed in parameter contains a pattern or no ObjectName is specified for the MBean.

  @exception IOException A communication problem occurred when talking to the MBean server.

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• getAttributetop

  public Object getAttribute(ObjectName name, String attribute) throws MBeanException, AttributeNotFoundException, InstanceNotFoundException, ReflectionException, IOException
  Gets the value of a specific attribute of a named MBean. The MBean is identified by its object name.

  Parameters:

  @param name The object name of the MBean from which the attribute is to be retrieved.

  @param attribute A String specifying the name of the attribute to be retrieved.

  Return:

  @return The value of the retrieved attribute.

  Exceptions:

  @exception AttributeNotFoundException The attribute specified is not accessible in the MBean.

  @exception MBeanException Wraps an exception thrown by the MBean's getter.

  @exception InstanceNotFoundException The MBean specified is not registered in the MBean server.

  @exception ReflectionException Wraps a java.lang.Exception thrown when trying to invoke the setter.

  @exception RuntimeOperationsException Wraps a java.lang.IllegalArgumentException: The object name in parameter is null or the attribute in parameter is null.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.setAttribute(javax.management.ObjectName, javax.management.Attribute)

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• getAttributestop

  public AttributeList getAttributes(ObjectName name, String[] attributes) throws InstanceNotFoundException, ReflectionException, IOException
  Enables the values of several attributes of a named MBean. The MBean is identified by its object name.

  Parameters:

  @param name The object name of the MBean from which the attributes are retrieved.

  @param attributes A list of the attributes to be retrieved.

  Return:

  @return The list of the retrieved attributes.

  Exceptions:

  @exception InstanceNotFoundException The MBean specified is not registered in the MBean server.

  @exception ReflectionException An exception occurred when trying to invoke the getAttributes method of a Dynamic MBean.

  @exception RuntimeOperationsException Wrap a java.lang.IllegalArgumentException: The object name in parameter is null or attributes in parameter is null.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.setAttributes(javax.management.ObjectName, javax.management.AttributeList)

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• getDefaultDomaintop

  public String getDefaultDomain() throws IOException
  Returns the default domain used for naming the MBean. The default domain name is used as the domain part in the ObjectName of MBeans if no domain is specified by the user.

  Return:

  @return the default domain.

  Exceptions:

  @exception IOException A communication problem occurred when talking to the MBean server.

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• getDomainstop

  public String[] getDomains() throws IOException

  Returns the list of domains in which any MBean is currently registered. A string is in the returned array if and only if there is at least one MBean registered with an ObjectName whose getDomain() is equal to that string. The order of strings within the returned array is not defined.

  Return:

  @return the list of domains.

  Exceptions:

  @exception IOException A communication problem occurred when talking to the MBean server.

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• getMBeanCounttop

  public Integer getMBeanCount() throws IOException
  Returns the number of MBeans registered in the MBean server.

  Return:

  @return the number of MBeans registered.

  Exceptions:

  @exception IOException A communication problem occurred when talking to the MBean server.

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• getMBeanInfotop

  public MBeanInfo getMBeanInfo(ObjectName name) throws InstanceNotFoundException, IntrospectionException, ReflectionException, IOException
  This method discovers the attributes and operations that an MBean exposes for management.

  Parameters:

  @param name The name of the MBean to analyze

  Return:

  @return An instance of MBeanInfo allowing the retrieval of all attributes and operations of this MBean.

  Exceptions:

  @exception IntrospectionException An exception occurred during introspection.

  @exception InstanceNotFoundException The MBean specified was not found.

  @exception ReflectionException An exception occurred when trying to invoke the getMBeanInfo of a Dynamic MBean.

  @exception IOException A communication problem occurred when talking to the MBean server.

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• getObjectInstancetop

  public ObjectInstance getObjectInstance(ObjectName name) throws InstanceNotFoundException, IOException
  Gets the ObjectInstance for a given MBean registered with the MBean server.

  Parameters:

  @param name The object name of the MBean.

  Return:

  @return The ObjectInstance associated with the MBean specified by name. The contained ObjectName is name and the contained class name is getMBeanInfo(name) .getClassName().

  Exceptions:

  @exception InstanceNotFoundException The MBean specified is not registered in the MBean server.

  @exception IOException A communication problem occurred when talking to the MBean server.

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• invoketop

  public Object invoke(ObjectName name, String operationName, Object[] params, String[] signature) throws InstanceNotFoundException, MBeanException, ReflectionException, IOException
  Invokes an operation on an MBean.

  Parameters:

  @param name The object name of the MBean on which the method is to be invoked.

  @param operationName The name of the operation to be invoked.

  @param params An array containing the parameters to be set when the operation is invoked

  @param signature An array containing the signature of the operation. The class objects will be loaded using the same class loader as the one used for loading the MBean on which the operation was invoked.

  Return:

  @return The object returned by the operation, which represents the result of invoking the operation on the MBean specified.

  Exceptions:

  @exception InstanceNotFoundException The MBean specified is not registered in the MBean server.

  @exception MBeanException Wraps an exception thrown by the MBean's invoked method.

  @exception ReflectionException Wraps a java.lang.Exception thrown while trying to invoke the method.

  @exception IOException A communication problem occurred when talking to the MBean server.

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• isInstanceOftop

  public boolean isInstanceOf(ObjectName name, String className) throws InstanceNotFoundException, IOException

  Returns true if the MBean specified is an instance of the specified class, false otherwise.

  If name does not name an MBean, this method throws javax.management.InstanceNotFoundException.

  Otherwise, let
  X be the MBean named by name,
  L be the ClassLoader of X,
  N be the class name in X's javax.management.MBeanInfo.

  If N equals className, the result is true.

  Otherwise, if L successfully loads className and X is an instance of this class, the result is true.

  Otherwise, if L successfully loads both N and className, and the second class is assignable from the first, the result is true.

  Otherwise, the result is false.

  Parameters:

  @param name The ObjectName of the MBean.

  @param className The name of the class.

  Return:

  @return true if the MBean specified is an instance of the specified class according to the rules above, false otherwise.

  Exceptions:

  @exception InstanceNotFoundException The MBean specified is not registered in the MBean server.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see Class.isInstance(java.lang.Object)

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• isRegisteredtop

  public boolean isRegistered(ObjectName name) throws IOException
  Checks whether an MBean, identified by its object name, is already registered with the MBean server.

  Parameters:

  @param name The object name of the MBean to be checked.

  Return:

  @return True if the MBean is already registered in the MBean server, false otherwise.

  Exceptions:

  @exception RuntimeOperationsException Wraps a java.lang.IllegalArgumentException: The object name in parameter is null.

  @exception IOException A communication problem occurred when talking to the MBean server.

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• queryMBeanstop

  public Set<ObjectInstance> queryMBeans(ObjectName name, QueryExp query) throws IOException
  Gets MBeans controlled by the MBean server. This method allows any of the following to be obtained: All MBeans, a set of MBeans specified by pattern matching on the ObjectName and/or a Query expression, a specific MBean. When the object name is null or no domain and key properties are specified, all objects are to be selected (and filtered if a query is specified). It returns the set of ObjectInstance objects (containing the ObjectName and the Java Class name) for the selected MBeans.

  Parameters:

  @param name The object name pattern identifying the MBeans to be retrieved. If null or no domain and key properties are specified, all the MBeans registered will be retrieved.

  @param query The query expression to be applied for selecting MBeans. If null no query expression will be applied for selecting MBeans.

  Return:

  @return A set containing the ObjectInstance objects for the selected MBeans. If no MBean satisfies the query an empty list is returned.

  Exceptions:

  @exception IOException A communication problem occurred when talking to the MBean server.

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• queryNamestop

  public Set<ObjectName> queryNames(ObjectName name, QueryExp query) throws IOException
  Gets the names of MBeans controlled by the MBean server. This method enables any of the following to be obtained: The names of all MBeans, the names of a set of MBeans specified by pattern matching on the ObjectName and/or a Query expression, a specific MBean name (equivalent to testing whether an MBean is registered). When the object name is null or no domain and key properties are specified, all objects are selected (and filtered if a query is specified). It returns the set of ObjectNames for the MBeans selected.

  Parameters:

  @param name The object name pattern identifying the MBean names to be retrieved. If null or no domain and key properties are specified, the name of all registered MBeans will be retrieved.

  @param query The query expression to be applied for selecting MBeans. If null no query expression will be applied for selecting MBeans.

  Return:

  @return A set containing the ObjectNames for the MBeans selected. If no MBean satisfies the query, an empty list is returned.

  Exceptions:

  @exception IOException A communication problem occurred when talking to the MBean server.

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• removeNotificationListenertop

  public void removeNotificationListener(ObjectName name, NotificationListener listener) throws InstanceNotFoundException, ListenerNotFoundException, IOException

  Removes a listener from a registered MBean.

  If the listener is registered more than once, perhaps with different filters or callbacks, this method will remove all those registrations.

  Parameters:

  @param name The name of the MBean on which the listener should be removed.

  @param listener The listener to be removed.

  Exceptions:

  @exception InstanceNotFoundException The MBean name provided does not match any of the registered MBeans.

  @exception ListenerNotFoundException The listener is not registered in the MBean.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.addNotificationListener(javax.management.ObjectName, javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)

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• removeNotificationListenertop

  public void removeNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, ListenerNotFoundException, IOException

  Removes a listener from a registered MBean.

  The MBean must have a listener that exactly matches the given listener, filter, and handback parameters. If there is more than one such listener, only one is removed.

  The filter and handback parameters may be null if and only if they are null in a listener to be removed.

  Parameters:

  @param name The name of the MBean on which the listener should be removed.

  @param listener The listener to be removed.

  @param filter The filter that was specified when the listener was added.

  @param handback The handback that was specified when the listener was added.

  Exceptions:

  @exception InstanceNotFoundException The MBean name provided does not match any of the registered MBeans.

  @exception ListenerNotFoundException The listener is not registered in the MBean, or it is not registered with the given filter and handback.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.addNotificationListener(javax.management.ObjectName, javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)

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• removeNotificationListenertop

  public void removeNotificationListener(ObjectName name, ObjectName listener) throws InstanceNotFoundException, ListenerNotFoundException, IOException
  Removes a listener from a registered MBean.

  If the listener is registered more than once, perhaps with different filters or callbacks, this method will remove all those registrations.

  Parameters:

  @param name The name of the MBean on which the listener should be removed.

  @param listener The object name of the listener to be removed.

  Exceptions:

  @exception InstanceNotFoundException The MBean name provided does not match any of the registered MBeans.

  @exception ListenerNotFoundException The listener is not registered in the MBean.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.addNotificationListener(javax.management.ObjectName, javax.management.ObjectName, javax.management.NotificationFilter, java.lang.Object)

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• removeNotificationListenertop

  public void removeNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, ListenerNotFoundException, IOException

  Removes a listener from a registered MBean.

  The MBean must have a listener that exactly matches the given listener, filter, and handback parameters. If there is more than one such listener, only one is removed.

  The filter and handback parameters may be null if and only if they are null in a listener to be removed.

  Parameters:

  @param name The name of the MBean on which the listener should be removed.

  @param listener The object name of the listener to be removed.

  @param filter The filter that was specified when the listener was added.

  @param handback The handback that was specified when the listener was added.

  Exceptions:

  @exception InstanceNotFoundException The MBean name provided does not match any of the registered MBeans.

  @exception ListenerNotFoundException The listener is not registered in the MBean, or it is not registered with the given filter and handback.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.addNotificationListener(javax.management.ObjectName, javax.management.ObjectName, javax.management.NotificationFilter, java.lang.Object)

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• setAttributetop

  public void setAttribute(ObjectName name, Attribute attribute) throws InstanceNotFoundException, AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException, IOException
  Sets the value of a specific attribute of a named MBean. The MBean is identified by its object name.

  Parameters:

  @param name The name of the MBean within which the attribute is to be set.

  @param attribute The identification of the attribute to be set and the value it is to be set to.

  Exceptions:

  @exception InstanceNotFoundException The MBean specified is not registered in the MBean server.

  @exception AttributeNotFoundException The attribute specified is not accessible in the MBean.

  @exception InvalidAttributeValueException The value specified for the attribute is not valid.

  @exception MBeanException Wraps an exception thrown by the MBean's setter.

  @exception ReflectionException Wraps a java.lang.Exception thrown when trying to invoke the setter.

  @exception RuntimeOperationsException Wraps a java.lang.IllegalArgumentException: The object name in parameter is null or the attribute in parameter is null.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.getAttribute(javax.management.ObjectName, java.lang.String)

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• setAttributestop

  public AttributeList setAttributes(ObjectName name, AttributeList attributes) throws InstanceNotFoundException, ReflectionException, IOException
  Sets the values of several attributes of a named MBean. The MBean is identified by its object name.

  Parameters:

  @param name The object name of the MBean within which the attributes are to be set.

  @param attributes A list of attributes: The identification of the attributes to be set and the values they are to be set to.

  Return:

  @return The list of attributes that were set, with their new values.

  Exceptions:

  @exception InstanceNotFoundException The MBean specified is not registered in the MBean server.

  @exception ReflectionException An exception occurred when trying to invoke the getAttributes method of a Dynamic MBean.

  @exception RuntimeOperationsException Wraps a java.lang.IllegalArgumentException: The object name in parameter is null or attributes in parameter is null.

  @exception IOException A communication problem occurred when talking to the MBean server.

  See:

  @see javax.management.MBeanServerConnection.getAttributes(javax.management.ObjectName, java.lang.String[])

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• unregisterMBeantop

  public void unregisterMBean(ObjectName name) throws InstanceNotFoundException, MBeanRegistrationException, IOException
  Unregisters an MBean from the MBean server. The MBean is identified by its object name. Once the method has been invoked, the MBean may no longer be accessed by its object name.

  Parameters:

  @param name The object name of the MBean to be unregistered.

  Exceptions:

  @exception InstanceNotFoundException The MBean specified is not registered in the MBean server.

  @exception MBeanRegistrationException The preDeregister ((MBeanRegistration interface) method of the MBean has thrown an exception.

  @exception RuntimeOperationsException Wraps a java.lang.IllegalArgumentException: The object name in parameter is null or the MBean you are when trying to unregister is the MBeanServerDelegate MBean.

  @exception IOException A communication problem occurred when talking to the MBean server.

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