java - 附加到进程时出错：sun.jvm.hotspot.debugger.DebuggerException：无法打开二进制文件(Error attaching to process: sun.jvm.hotspot.debugger.DebuggerException: cannot open binary file)

Question

When I use jmap to get the heap info about a process, I got error like that:

(当我使用jmap获取有关进程的堆信息时，出现如下错误：)

$jmap -heap process_id

Attaching to process ID process_id, please wait...
Error attaching to process: sun.jvm.hotspot.debugger.DebuggerException: cannot open binary
file
sun.jvm.hotspot.debugger.DebuggerException: sun.jvm.hotspot.debugger.DebuggerException:
cannot open binary file    

OS: Ubuntu 14.04

(操作系统：Ubuntu 14.04)

I have solved another error ( DebuggerException: Can't attach to the process ) by updating kernel.yama.ptrace_scope = 0 .

(我通过更新kernel.yama.ptrace_scope = 0解决了另一个错误（ DebuggerException: Can't attach to the process ）。)

See: https://bugs.openjdk.java.net/browse/JDK-7050524

(参见： https : //bugs.openjdk.java.net/browse/JDK-7050524)

  ask by infraio translate from so

Answer 1

我面临着同样的问题，但是当我su “d到具有相关权限正确的用户的问题就走了。