'\" t

.\" Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.

.\" DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

.\"

.\" This code is free software; you can redistribute it and/or modify it

.\" under the terms of the GNU General Public License version 2 only, as

.\" published by the Free Software Foundation.

.\"

.\" This code is distributed in the hope that it will be useful, but WITHOUT

.\" ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

.\" FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

.\" version 2 for more details (a copy is included in the LICENSE file that

.\" accompanied this code).

.\"

.\" You should have received a copy of the GNU General Public License version

.\" 2 along with this work; if not, write to the Free Software Foundation,

.\" Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

.\"

.\" Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

.\" or visit www.oracle.com if you need additional information or have any

.\" questions.

.\"

.\"     Arch: generic

.\"     Software: JDK 8

.\"     Date: 21 November 2013

.\"     SectDesc: Troubleshooting Tools

.\"     Title: jsadebugd.1

.\"

.if n .pl 99999

.TH jsadebugd 1 "21 November 2013" "JDK 8" "Troubleshooting Tools"

.\" -----------------------------------------------------------------

.\" * Define some portability stuff

.\" -----------------------------------------------------------------

.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.\" http://bugs.debian.org/507673

.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html

.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.ie \n(.g .ds Aq \(aq

.el       .ds Aq '

.\" -----------------------------------------------------------------

.\" * set default formatting

.\" -----------------------------------------------------------------

.\" disable hyphenation

.nh

.\" disable justification (adjust text to left margin only)

.ad l

.\" -----------------------------------------------------------------

.\" * MAIN CONTENT STARTS HERE *

.\" -----------------------------------------------------------------

.SH NAME    

jsadebugd \- Attaches to a Java process or core file and acts as a debug server\&. This command is experimental and unsupported\&.

.SH SYNOPSIS    

.sp     

.nf     

\fBjsadebugd\fR \fIpid\fR [ \fIserver\-id\fR ]

.fi     

.nf     

\fBjsadebugd\fR \fIexecutable\fR \fIcore\fR [ \fIserver\-id\fR ]

.fi     

.sp     

.TP     

\fIpid\fR

The process ID of the process to which the debug server attaches\&. The process must be a Java process\&. To get a list of Java processes running on a machine, use the jps(1) command\&. At most one instance of the debug server can be attached to a single process\&.

.TP     

\fIexecutable\fR

The Java executable from which the core dump was produced\&.

.TP     

\fIcore\fR

The core file to which the debug server should attach\&.

.TP     

\fIserver-id\fR

An optional unique ID that is needed when multiple debug servers are started on the same machine\&. This ID must be used by remote clients to identify the particular debug server to which to attach\&. Within a single machine, this ID must be unique\&.

.SH DESCRIPTION    

The \f3jsadebugd\fR command attaches to a Java process or core file and acts as a debug server\&. Remote clients such as \f3jstack\fR, \f3jmap\fR, and \f3jinfo\fR can attach to the server through Java Remote Method Invocation (RMI)\&. Before you start the \f3jsadebugd\fR command, start the RMI registry with the \f3rmiregistry\fR command as follows where \fI$JAVA_HOME\fR is the JDK installation directory:

.sp     

.nf     

\f3rmiregistry \-J\-Xbootclasspath/p:$JAVA_HOME/lib/sajdi\&.jar\fP

.fi     

.nf     

\f3\fP

.fi     

.sp     

If the RMI registry was not started, then the \f3jsadebugd\fR command starts an RMI registry in a standard (1099) port internally\&. The debug server can be stopped by sending a \f3SIGINT\fR to it\&. To send a SIGINT press \fICtrl+C\fR\&.

.PP

\fINote:\fR This utility is unsupported and may or may not be available in future releases of the JDK\&. In Windows Systems where \f3dbgeng\&.dll\fR is not present, Debugging Tools For Windows must be installed to have these tools working\&. The \f3PATH\fR environment variable should contain the location of jvm\&.dll used by the target process or the location from which the crash dump file was produced\&. For example, \f3s\fR\f3et PATH=%JDK_HOME%\ejre\ebin\eclient;%PATH%\fR\&.

.SH SEE\ ALSO    

.TP 0.2i    

\(bu

jinfo(1)

.TP 0.2i    

\(bu

jmap(1)

.TP 0.2i    

\(bu

jps(1)

.TP 0.2i    

\(bu

jstack(1)

.TP 0.2i    

\(bu

rmiregistry(1)

.RE

.br

'pl 8.5i

'bp