WildFly 16.0 Model Reference

The management interface for the thread system of the Java virtual machine.

Runtime only resource This resource is runtime only and doesn't have any persistent configuration.

Attributes (15)

all-thread-ids All live thread IDs. If a security manager is installed and the caller does not have ManagementPermission("monitor"), then a "read-attribute" operation reading this attribute will fail, and the value for this attribute in the result for the "read-resource" operation will be "undefined".

Attribute	Value
Type	LIST
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	read-only

current-thread-cpu-time The total CPU time for the current thread in nanoseconds, or -1 if "thread-cpu-time-enabled" is "false". A Java virtual machine implementation may not support CPU time measurement. If "thread-cpu-time-supported", is "false" trying to read this attribute via the "read-attribute" operation will result in failure, and the value of this attribute in the result of a "read-resource" operation will be "undefined".

Attribute	Value
Type	LONG
Nillable	false
Expressions Allowed	false
Unit	NANOSECONDS
Storage	runtime
Access Type	metric

current-thread-cpu-time-supported Whether the Java virtual machine supports CPU time measurement for the current thread.

Attribute	Value
Type	BOOLEAN
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	read-only

current-thread-user-time The CPU time that the current thread has executed in user mode in nanoseconds, or -1 if "thread-cpu-time-enabled" is "false". A Java virtual machine implementation may not support CPU time measurement. If "thread-cpu-time-supported", is "false" trying to read this attribute via the "read-attribute" operation will result in failure, and the value of this attribute in the result of a "read-resource" operation will be "undefined".

Attribute	Value
Type	LONG
Nillable	false
Expressions Allowed	false
Unit	NANOSECONDS
Storage	runtime
Access Type	metric

daemon-thread-count The current number of live daemon threads.

Attribute	Value
Type	INT
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	metric

object-monitor-usage-supported Whether the Java virtual machine supports monitoring of object monitor usage.

Attribute	Value
Type	BOOLEAN
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	read-only

object-name String representation the object name of this platform managed object.

Attribute	Value
Type	STRING
Nillable	true
Expressions Allowed	false
Storage	runtime
Access Type	read-only

peak-thread-count The peak live thread count since the Java virtual machine started or peak was reset.

Attribute	Value
Type	INT
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	metric

synchronizer-usage-supported Whether the Java virtual machine supports monitoring of ownable synchronizer usage.

Attribute	Value
Type	BOOLEAN
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	read-only

thread-contention-monitoring-enabled Whether thread contention monitoring is enabled.

Attribute	Value
Type	BOOLEAN
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	read-write
Restart Required	no-services

thread-contention-monitoring-supported Whether the Java virtual machine supports thread contention monitoring.

Attribute	Value
Type	BOOLEAN
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	read-only

thread-count The current number of live threads including both daemon and non-daemon threads.

Attribute	Value
Type	INT
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	metric

thread-cpu-time-enabled Whether thread CPU time measurement is enabled.

Attribute	Value
Type	BOOLEAN
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	read-write
Restart Required	no-services

thread-cpu-time-supported Whether the Java virtual machine implementation supports CPU time measurement for any thread.

Attribute	Value
Type	BOOLEAN
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	read-only

total-started-thread-count The total number of threads created and also started since the Java virtual machine started.

Attribute	Value
Type	LONG
Nillable	false
Expressions Allowed	false
Storage	runtime
Access Type	metric

Operations (9)

dump-all-threads Returns the thread info for all live threads with stack trace and synchronization information.

Request Parameter	Type	Required	Expressions Allowed	Default value	Description
locked-monitors	BOOLEAN	false	false	false	A list of detyped representations java.lang.management.MonitorInfo objects, each of which represents an object monitor currently locked by the thread.
locked-synchronizers	BOOLEAN	false	false	false	A list of detyped representations java.lang.management.LockInfo objects, each of which represents an ownable synchronizer currently locked by the thread.

Reply properties

type

LIST

Value Type

{
    "thread-id" => {
        "type" => LONG,
        "description" => "The ID of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "thread-name" => {
        "type" => STRING,
        "description" => "The name of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 1L,
        "max-length" => 2147483647L
    },
    "thread-state" => {
        "type" => STRING,
        "description" => "The state of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "blocked-time" => {
        "type" => LONG,
        "description" => "The approximate accumulated elapsed time (in milliseconds) that the thread has blocked to enter or reenter a monitor since thread contention monitoring is enabled, or -1 if thread contention monitoring is not enabled. If the",
        "expressions-allowed" => false,
        "required" => true,
        "nillable" => false,
        "unit" => "MILLISECONDS"
    },
    "blocked-count" => {
        "type" => LONG,
        "description" => "The total number of times that the thread blocked to enter or reenter a monitor.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "waited-time" => {
        "type" => LONG,
        "description" => "The approximate accumulated elapsed time (in milliseconds) that the thread has waited for notification since thread contention monitoring was enabled.",
        "expressions-allowed" => false,
        "required" => true,
        "nillable" => false,
        "unit" => "MILLISECONDS"
    },
    "waited-count" => {
        "type" => LONG,
        "description" => "The total number of times that the thread has waited for notification.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "lock-info" => {
        "type" => OBJECT,
        "description" => "A detyped representation of the java.lang.management.LockInfo of an object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "value-type" => {
            "class-name" => {
                "type" => STRING,
                "description" => "The fully qualified name of the class of the lock object.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "identity-hash-code" => {
                "type" => INT,
                "description" => "The identity hash code of the lock object returned from the System.identityHashCode(java.lang.Object) method.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            }
        }
    },
    "lock-name" => {
        "type" => STRING,
        "description" => "The string representation of an object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 1L,
        "max-length" => 2147483647L
    },
    "lock-owner-id" => {
        "type" => LONG,
        "description" => "The ID of the thread which owns the object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "lock-owner-name" => {
        "type" => STRING,
        "description" => "The name of the thread which owns the object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 1L,
        "max-length" => 2147483647L
    },
    "stack-trace" => {
        "type" => LIST,
        "description" => "The stack trace of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 0L,
        "max-length" => 2147483647L,
        "value-type" => {
            "file-name" => {
                "type" => STRING,
                "description" => "The name of the source file containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "line-number" => {
                "type" => INT,
                "description" => "The line number of the source line containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            },
            "class-name" => {
                "type" => STRING,
                "description" => "The fully qualified name of the class containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "method-name" => {
                "type" => STRING,
                "description" => "The name of the method containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "native-method" => {
                "type" => STRING,
                "description" => "Whether the method containing the execution point represented by this stack trace element is a native method.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            }
        }
    },
    "suspended" => {
        "type" => BOOLEAN,
        "description" => "Whether the thread is suspended.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "in-native" => {
        "type" => BOOLEAN,
        "description" => "Whether the thread associated is executing native code via the Java Native Interface (JNI).",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "locked-monitors" => {
        "type" => LIST,
        "description" => "A list of detyped representations java.lang.management.MonitorInfo objects, each of which represents an object monitor currently locked by the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 0L,
        "max-length" => 2147483647L,
        "value-type" => {
            "locked-stack-depth" => {
                "type" => INT,
                "description" => "The depth in the stack trace where the object monitor was locked.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            },
            "locked-stack-frame" => {
                "type" => OBJECT,
                "description" => "The stack frame that locked the object monitor.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "value-type" => {
                    "file-name" => {
                        "type" => STRING,
                        "description" => "The name of the source file containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "line-number" => {
                        "type" => INT,
                        "description" => "The line number of the source line containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true
                    },
                    "class-name" => {
                        "type" => STRING,
                        "description" => "The fully qualified name of the class containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "method-name" => {
                        "type" => STRING,
                        "description" => "The name of the method containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "native-method" => {
                        "type" => STRING,
                        "description" => "Whether the method containing the execution point represented by this stack trace element is a native method.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    }
                }
            }
        }
    },
    "locked-synchronizers" => {
        "type" => LIST,
        "description" => "A list of detyped representations java.lang.management.LockInfo objects, each of which represents an ownable synchronizer currently locked by the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 0L,
        "max-length" => 2147483647L,
        "value-type" => {
            "class-name" => {
                "type" => STRING,
                "description" => "The fully qualified name of the class of the lock object.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "identity-hash-code" => {
                "type" => INT,
                "description" => "The identity hash code of the lock object returned from the System.identityHashCode(java.lang.Object) method.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            }
        }
    }
}

find-deadlocked-threads Finds cycles of threads that are in deadlock waiting to acquire object monitors or ownable synchronizers.
Reply properties
type

LIST

Value Type

LONG
find-monitor-deadlocked-threads Finds cycles of threads that are in deadlock waiting to acquire object monitors.
Reply properties
type

LIST

Value Type

LONG
get-thread-cpu-time Returns the total CPU time for a thread of the specified ID in nanoseconds.

Request Parameter Type Required Expressions Allowed Default value Description

id LONG true false The thread ID of the thread. Must be positive.

Reply properties

type

LONG

get-thread-info Returns the thread info for a thread of the specified id. The stack trace, locked monitors, and locked synchronizers in the returned reply object will be empty.

Request Parameter	Type	Required	Expressions Allowed	Default value	Description
id	LONG	true	false		The thread ID of the thread. Must be positive.
max-depth	INT	false	false	0	The maximum number of entries in the stack trace to be dumped. Integer.MAX_VALUE could be used to request the entire stack to be dumped.

Reply properties

Detyped representation of a java.lang.management.ThreadInfo object for the thread of the given ID; "undefined" if the thread of the given ID is not alive or it does not exist.

type

OBJECT

Value Type

{
    "thread-id" => {
        "type" => LONG,
        "description" => "The ID of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "thread-name" => {
        "type" => STRING,
        "description" => "The name of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 1L,
        "max-length" => 2147483647L
    },
    "thread-state" => {
        "type" => STRING,
        "description" => "The state of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "blocked-time" => {
        "type" => LONG,
        "description" => "The approximate accumulated elapsed time (in milliseconds) that the thread has blocked to enter or reenter a monitor since thread contention monitoring is enabled, or -1 if thread contention monitoring is not enabled. If the",
        "expressions-allowed" => false,
        "required" => true,
        "nillable" => false,
        "unit" => "MILLISECONDS"
    },
    "blocked-count" => {
        "type" => LONG,
        "description" => "The total number of times that the thread blocked to enter or reenter a monitor.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "waited-time" => {
        "type" => LONG,
        "description" => "The approximate accumulated elapsed time (in milliseconds) that the thread has waited for notification since thread contention monitoring was enabled.",
        "expressions-allowed" => false,
        "required" => true,
        "nillable" => false,
        "unit" => "MILLISECONDS"
    },
    "waited-count" => {
        "type" => LONG,
        "description" => "The total number of times that the thread has waited for notification.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "lock-info" => {
        "type" => OBJECT,
        "description" => "A detyped representation of the java.lang.management.LockInfo of an object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "value-type" => {
            "class-name" => {
                "type" => STRING,
                "description" => "The fully qualified name of the class of the lock object.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "identity-hash-code" => {
                "type" => INT,
                "description" => "The identity hash code of the lock object returned from the System.identityHashCode(java.lang.Object) method.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            }
        }
    },
    "lock-name" => {
        "type" => STRING,
        "description" => "The string representation of an object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 1L,
        "max-length" => 2147483647L
    },
    "lock-owner-id" => {
        "type" => LONG,
        "description" => "The ID of the thread which owns the object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "lock-owner-name" => {
        "type" => STRING,
        "description" => "The name of the thread which owns the object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 1L,
        "max-length" => 2147483647L
    },
    "stack-trace" => {
        "type" => LIST,
        "description" => "The stack trace of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 0L,
        "max-length" => 2147483647L,
        "value-type" => {
            "file-name" => {
                "type" => STRING,
                "description" => "The name of the source file containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "line-number" => {
                "type" => INT,
                "description" => "The line number of the source line containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            },
            "class-name" => {
                "type" => STRING,
                "description" => "The fully qualified name of the class containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "method-name" => {
                "type" => STRING,
                "description" => "The name of the method containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "native-method" => {
                "type" => STRING,
                "description" => "Whether the method containing the execution point represented by this stack trace element is a native method.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            }
        }
    },
    "suspended" => {
        "type" => BOOLEAN,
        "description" => "Whether the thread is suspended.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "in-native" => {
        "type" => BOOLEAN,
        "description" => "Whether the thread associated is executing native code via the Java Native Interface (JNI).",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "locked-monitors" => {
        "type" => LIST,
        "description" => "A list of detyped representations java.lang.management.MonitorInfo objects, each of which represents an object monitor currently locked by the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 0L,
        "max-length" => 2147483647L,
        "value-type" => {
            "locked-stack-depth" => {
                "type" => INT,
                "description" => "The depth in the stack trace where the object monitor was locked.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            },
            "locked-stack-frame" => {
                "type" => OBJECT,
                "description" => "The stack frame that locked the object monitor.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "value-type" => {
                    "file-name" => {
                        "type" => STRING,
                        "description" => "The name of the source file containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "line-number" => {
                        "type" => INT,
                        "description" => "The line number of the source line containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true
                    },
                    "class-name" => {
                        "type" => STRING,
                        "description" => "The fully qualified name of the class containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "method-name" => {
                        "type" => STRING,
                        "description" => "The name of the method containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "native-method" => {
                        "type" => STRING,
                        "description" => "Whether the method containing the execution point represented by this stack trace element is a native method.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    }
                }
            }
        }
    },
    "locked-synchronizers" => {
        "type" => LIST,
        "description" => "A list of detyped representations java.lang.management.LockInfo objects, each of which represents an ownable synchronizer currently locked by the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 0L,
        "max-length" => 2147483647L,
        "value-type" => {
            "class-name" => {
                "type" => STRING,
                "description" => "The fully qualified name of the class of the lock object.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "identity-hash-code" => {
                "type" => INT,
                "description" => "The identity hash code of the lock object returned from the System.identityHashCode(java.lang.Object) method.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            }
        }
    }
}

get-thread-infos Returns the thread info for each thread whose ID is in the input list.

Request Parameter	Type	Required	Expressions Allowed	Default value	Description
ids	LIST	true	false		A list of thread ids.
max-depth	INT	false	false	0	The maximum number of entries in the stack trace to be dumped. Integer.MAX_VALUE could be used to request the entire stack to be dumped.
locked-monitors	BOOLEAN	false	false	false	A list of detyped representations java.lang.management.MonitorInfo objects, each of which represents an object monitor currently locked by the thread.
locked-synchronizers	BOOLEAN	false	false	false	A list of detyped representations java.lang.management.LockInfo objects, each of which represents an ownable synchronizer currently locked by the thread.

Reply properties

A list of detyped representations of java.lang.management.ThreadInfo objects, each containing information about a thread whose ID is in the corresponding element of the input list of IDs. An element will be "undefined" if the thread of the given ID is not alive or it does not exist.

type

LIST

Value Type

{
    "thread-id" => {
        "type" => LONG,
        "description" => "The ID of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "thread-name" => {
        "type" => STRING,
        "description" => "The name of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 1L,
        "max-length" => 2147483647L
    },
    "thread-state" => {
        "type" => STRING,
        "description" => "The state of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "blocked-time" => {
        "type" => LONG,
        "description" => "The approximate accumulated elapsed time (in milliseconds) that the thread has blocked to enter or reenter a monitor since thread contention monitoring is enabled, or -1 if thread contention monitoring is not enabled. If the",
        "expressions-allowed" => false,
        "required" => true,
        "nillable" => false,
        "unit" => "MILLISECONDS"
    },
    "blocked-count" => {
        "type" => LONG,
        "description" => "The total number of times that the thread blocked to enter or reenter a monitor.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "waited-time" => {
        "type" => LONG,
        "description" => "The approximate accumulated elapsed time (in milliseconds) that the thread has waited for notification since thread contention monitoring was enabled.",
        "expressions-allowed" => false,
        "required" => true,
        "nillable" => false,
        "unit" => "MILLISECONDS"
    },
    "waited-count" => {
        "type" => LONG,
        "description" => "The total number of times that the thread has waited for notification.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "lock-info" => {
        "type" => OBJECT,
        "description" => "A detyped representation of the java.lang.management.LockInfo of an object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "value-type" => {
            "class-name" => {
                "type" => STRING,
                "description" => "The fully qualified name of the class of the lock object.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "identity-hash-code" => {
                "type" => INT,
                "description" => "The identity hash code of the lock object returned from the System.identityHashCode(java.lang.Object) method.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            }
        }
    },
    "lock-name" => {
        "type" => STRING,
        "description" => "The string representation of an object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 1L,
        "max-length" => 2147483647L
    },
    "lock-owner-id" => {
        "type" => LONG,
        "description" => "The ID of the thread which owns the object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "lock-owner-name" => {
        "type" => STRING,
        "description" => "The name of the thread which owns the object for which the thread is blocked waiting.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 1L,
        "max-length" => 2147483647L
    },
    "stack-trace" => {
        "type" => LIST,
        "description" => "The stack trace of the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 0L,
        "max-length" => 2147483647L,
        "value-type" => {
            "file-name" => {
                "type" => STRING,
                "description" => "The name of the source file containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "line-number" => {
                "type" => INT,
                "description" => "The line number of the source line containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            },
            "class-name" => {
                "type" => STRING,
                "description" => "The fully qualified name of the class containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "method-name" => {
                "type" => STRING,
                "description" => "The name of the method containing the execution point represented by this stack trace element.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "native-method" => {
                "type" => STRING,
                "description" => "Whether the method containing the execution point represented by this stack trace element is a native method.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            }
        }
    },
    "suspended" => {
        "type" => BOOLEAN,
        "description" => "Whether the thread is suspended.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "in-native" => {
        "type" => BOOLEAN,
        "description" => "Whether the thread associated is executing native code via the Java Native Interface (JNI).",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true
    },
    "locked-monitors" => {
        "type" => LIST,
        "description" => "A list of detyped representations java.lang.management.MonitorInfo objects, each of which represents an object monitor currently locked by the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 0L,
        "max-length" => 2147483647L,
        "value-type" => {
            "locked-stack-depth" => {
                "type" => INT,
                "description" => "The depth in the stack trace where the object monitor was locked.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            },
            "locked-stack-frame" => {
                "type" => OBJECT,
                "description" => "The stack frame that locked the object monitor.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "value-type" => {
                    "file-name" => {
                        "type" => STRING,
                        "description" => "The name of the source file containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "line-number" => {
                        "type" => INT,
                        "description" => "The line number of the source line containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true
                    },
                    "class-name" => {
                        "type" => STRING,
                        "description" => "The fully qualified name of the class containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "method-name" => {
                        "type" => STRING,
                        "description" => "The name of the method containing the execution point represented by this stack trace element.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    },
                    "native-method" => {
                        "type" => STRING,
                        "description" => "Whether the method containing the execution point represented by this stack trace element is a native method.",
                        "expressions-allowed" => false,
                        "required" => false,
                        "nillable" => true,
                        "min-length" => 1L,
                        "max-length" => 2147483647L
                    }
                }
            }
        }
    },
    "locked-synchronizers" => {
        "type" => LIST,
        "description" => "A list of detyped representations java.lang.management.LockInfo objects, each of which represents an ownable synchronizer currently locked by the thread.",
        "expressions-allowed" => false,
        "required" => false,
        "nillable" => true,
        "min-length" => 0L,
        "max-length" => 2147483647L,
        "value-type" => {
            "class-name" => {
                "type" => STRING,
                "description" => "The fully qualified name of the class of the lock object.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true,
                "min-length" => 1L,
                "max-length" => 2147483647L
            },
            "identity-hash-code" => {
                "type" => INT,
                "description" => "The identity hash code of the lock object returned from the System.identityHashCode(java.lang.Object) method.",
                "expressions-allowed" => false,
                "required" => false,
                "nillable" => true
            }
        }
    }
}

get-thread-user-time Returns the CPU time that a thread of the specified ID has executed in user mode in nanoseconds.

Request Parameter Type Required Expressions Allowed Default value Description

id LONG true false The thread ID of the thread. Must be positive.

Reply properties

type

LONG

read-resource Reads a model resource's attribute values along with either basic or complete information about any child resources

Request Parameter	Type	Required	Expressions Allowed	Default value	Description
recursive	BOOLEAN	false	false		Whether to include complete information about child resources, recursively. If absent, false is the default
recursive-depth	INT	false	false		The depth to which information about child resources should be included.
proxies	BOOLEAN	false	false	false	Whether to include remote resources in a recursive query (i.e. host level resources in a query of the domain root; running server resources in a query of a host). If absent, false is the default.
include-runtime	BOOLEAN	false	false	false	Whether to include runtime attributes (i.e. those whose value does not come from the persistent configuration) in the response. If absent, false is the default.
include-defaults	BOOLEAN	false	false	true	Boolean to enable/disable default reading. In case it is set to false only attribute set by user are returned ignoring undefined.
attributes-only	BOOLEAN	false	false	false	Whether or not to only read the attributes on the specified resource. Cannot be used in conjunction with 'recursive' or 'recursive-depth'.
include-aliases	BOOLEAN	false	false	false	If 'true' and recursive, include children which are aliases.
include-undefined-metric-values	BOOLEAN	false	false	false	Whether to include undefined metric values. If the underlying metric value can not be computed, this flag ensures that the value will remain undefined (without being replaced by a possible 'undefined metric value' from the attribute definition.

Reply properties

The resource's attribute values along with information about any child resources

type: OBJECT

reset-peak-thread-count Resets the peak thread count to the current number of live threads.