A tool, written in the Java Language, uses this API to attach to a target virtual machine (VM) and load its tool agent into the target VM. For example, a management console might have a management agent which it uses to obtain management information from instrumented objects in a Java virtual machine. If the management console is required to manage an application that is running in a virtual machine that does not include the management agent, then this API can be used to attach to the target VM and load the agent.
| Class | Description |
|---|---|
| AgentInitializationException | The exception thrown when an agent fails to initialize in the target Java virtual machine. |
| AgentLoadException | The exception thrown when an agent cannot be loaded into the target Java virtual machine. |
| AttachNotSupportedException | Thrown by VirtualMachine.attach when attempting to attach to a Java virtual machine for which a compatible AttachProvider does not exist. |
| AttachOperationFailedException | Exception type to signal that an attach operation failed in the target VM. |
| AttachPermission | When a SecurityManager set, this is the permission which will be checked when code invokes VirtualMachine.attach to attach to a target virtual machine. |
| VirtualMachine | A Java virtual machine. |
| VirtualMachineDescriptor | Describes a Java virtual machine. |
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https://docs.oracle.com/en/java/javase/21/docs/api/jdk.attach/com/sun/tools/attach/package-summary.html