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 Name If 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    
    Type boolean

     

    HeapFreeCurrent

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

       
    Privileges Read only    
    Type long

     

    HeapFreePercent

    Percentage of the maximum memory that is free.

       
    Privileges Read only    
    Type int

     

    HeapSizeCurrent

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

       
    Privileges Read only    
    Type long

     

    HeapSizeMax

    The maximum free memory configured for this JVM.

       
    Privileges Read only    
    Type long

     

    JavaVendor

    Returns the vendor of Java.

    The vendor of Java that this server runs.

       
    Privileges Read only    
    Type java.lang.String

     

    JavaVersion

    The Java version of the JVM.

       
    Privileges Read only    
    Type java.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    
    Type java.lang.String

     

    MBeanInfo

    Returns the MBean info for this MBean.

    Deprecated.

       
    Privileges Read only    
    Type javax.management.MBeanInfo

     

    Name of

    Name of configuration. WebLogic Server uses an MBean to implement and persist the configuration.

       
    Privileges Read only    
    Type java.lang.String

     

    ObjectName

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

    Deprecated.

       
    Privileges Read only    
    Type weblogic.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    
    Type java.lang.String

     

    OSVersion

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

       
    Privileges Read only    
    Type java.lang.String

     

    Parent

    Return the immediate parent for this MBean

       
    Privileges Read/Write    
    Type

     

    Registered

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

    Deprecated.

       
    Privileges Read only    
    Type boolean

     

    ThreadStackDump

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

       
    Privileges Read only    
    Type java.lang.String

     

    Type

    Returns the type of the MBean.

       
    Privileges Read only    
    Type java.lang.String

     

    Uptime

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

       
    Privileges Read only    
    Type long

    Operations

    This section describes the following operations:

       

      preDeregister

      Operation Name "preDeregister"    
      Parameters null
      Signature null
      Returns void
      Exceptions

      • java.lang.Exception