09-18-2012
The javamelody IHM is designed to administrators wanting to monitor the JVM. They can also select a thread and kill it.
The error message you get is likely due to a web crawler (e.g. google) exploring and indexing your web server unluckily accessing this thread management page, selecting the acceptor thread and "clicking" to the destroy link.
You need to secure access to javamelody to avoid this situation, e.g. password protect.
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LEARN ABOUT SUNOS
thr_kill
thr_kill(3C) thr_kill(3C)
NAME
thr_kill - send a signal to a thread
SYNOPSIS
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#include <signal.h>
#include <thread.h>
int thr_kill(thread_t thread, int sig);
The thr_kill() function sends the sig signal to the thread designated by thread. The thread argument must be a member of the same process
as the calling thread. The sig argument must be one of the signals listed in signal.h(3HEAD), with the exception of SIGCANCEL being
reserved and off limits to thr_kill(). If sig is 0, a validity check is done for the existence of the target thread; no signal is sent.
Upon successful completion, thr_kill() returns 0. Otherwise, an error number is returned. In the event of failure, no signal is sent.
The thr_kill() function will fail if:
EINVAL The sig argument value is not zero and is an invalid or an unsupported signal number.
ESRCH No thread was found that corresponded to the thread designated by thread ID.
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|MT-Level |Async-Signal-Safe |
+-----------------------------+-----------------------------+
kill(2), sigaction(2), raise(3C), signal.h(3HEAD), thr_self(3C), attributes(5), standards(5)
23 Mar 2005 thr_kill(3C)