JVMRuntimeMBean


Overview  |   Related MBeans  |   Attributes  |   Operations

Overview

Provides methods for retrieving information about the Java Virtual Machine (JVM) within with the current server instance is running. You cannot change the JVM's operating parameters while the JVM is active. Instead, use the startup options that are described in the JVM's documentation.

The WebLogic JVM contains only one of these Runtime MBeans:



       
Fully Qualified Interface NameIf you use the getMBeanInfo operation in MBeanTypeServiceMBean, supply the following value as this MBean's fully qualified interface name:
weblogic.management.runtime.JVMRuntimeMBean
Factory Methods No factory methods. Instances of this MBean are created automatically.
Subtypes The following MBeans extend or implement this MBean type:


    Attributes

    This section describes the following attributes:


    CachingDisabled

    Private property that disables caching in proxies.

           
    Privileges Read only
    Typeboolean

    HeapFreeCurrent

    The current amount of memory (in bytes) that is available in the JVM heap.

           
    Privileges Read only
    Typelong

    HeapFreePercent

    Percentage of the maximum memory that is free.

           
    Privileges Read only
    Typeint

    HeapSizeCurrent

    The current size (in bytes) of the JVM heap.

           
    Privileges Read only
    Typelong

    HeapSizeMax

    The maximum free memory configured for this JVM.

           
    Privileges Read only
    Typelong

    JavaVendor

    Returns the vendor of Java.

    The vendor of Java that this server runs.

           
    Privileges Read only
    Typejava.lang.String

    JavaVersion

    The Java version of the JVM.

           
    Privileges Read only
    Typejava.lang.String

    JavaVMVendor

    Returns the vendor of the JVM.

    The vendor of the JVM that this server runs.

    system property java.vm.vendor is returned

           
    Privileges Read only
    Typejava.lang.String

    MBeanInfo

    Returns the MBean info for this MBean.

    Deprecated.

           
    Privileges Read only
    Typejavax.management.MBeanInfo

    Name

    The name of this configuration. WebLogic Server uses an MBean to implement and persist the configuration.

           
    Privileges Read only
    Typejava.lang.String

    ObjectName

    Returns the ObjectName under which this MBean is registered in the MBean server.

    Deprecated.

           
    Privileges Read only
    Typeweblogic.management.WebLogicObjectName

    OSName

    Returns the operating system on which the JVM is running.

    The operating system on which the JVM is running.

           
    Privileges Read only
    Typejava.lang.String

    OSVersion

    The version of the operating system on which the JVM is running.

           
    Privileges Read only
    Typejava.lang.String

    Parent

    Return the immediate parent for this MBean

           
    Privileges Read/Write
    Type

    Registered

    Returns false if the MBean represented by this object has been unregistered.

    Deprecated.

           
    Privileges Read only
    Typeboolean

    ThreadStackDump

    JVM thread dump. Thread dump is available only on 1.5 VM

           
    Privileges Read only
    Typejava.lang.String

    Type

    Returns the type of the MBean.

           
    Privileges Read only
    Typejava.lang.String

    Uptime

    The number of milliseconds that the Virtual Machine has been running.

           
    Privileges Read only
    Typelong


    Operations

    This section describes the following operations:


      preDeregister

         
      Operation Name"preDeregister"
      Parametersnull
      Signaturenull
      Returns void
      Exceptions
      • java.lang.Exception