我正在尝试通过执行以下jmap命令来获取堆转储。 jmap -dump：format = b，file = dump.hprof
但是，当我尝试执行时，我遇到了错误。
Attaching to core -dump:format=b,file=dump.hprof from executable 21488, please wait...
Error attaching to core file: Windbg Error: OpenDumpFile failed!
sun.jvm.hotspot.debugger.DebuggerException: Windbg Error: OpenDumpFile failed!
at sun.jvm.hotspot.debugger.windbg.WindbgDebuggerLocal.attach0(Native Method)
at sun.jvm.hotspot.debugger.windbg.WindbgDebuggerLocal.attach(WindbgDebuggerLocal.java:160)
at sun.jvm.hotspot.HotSpotAgent.attachDebugger(HotSpotAgent.java:673)
at sun.jvm.hotspot.HotSpotAgent.setupDebuggerWin32(HotSpotAgent.java:569)
at sun.jvm.hotspot.HotSpotAgent.setupDebugger(HotSpotAgent.java:335)
at sun.jvm.hotspot.HotSpotAgent.go(HotSpotAgent.java:304)
at sun.jvm.hotspot.HotSpotAgent.attach(HotSpotAgent.java:156)
at sun.jvm.hotspot.tools.Tool.start(Tool.java:191)
at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118)
at sun.jvm.hotspot.tools.PMap.main(PMap.java:72)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.tools.jmap.JMap.runTool(JMap.java:201)
at sun.tools.jmap.JMap.main(JMap.java:130)
我不确定，启动应用程序时是否需要启用任何功能？