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Java example source code file (jinfo.1)

This example Java source code file (jinfo.1) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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The jinfo.1 Java example source code

'\" 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: jinfo.1
.\"
.if n .pl 99999
.TH jinfo 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    
jinfo \- Generates configuration information\&. This command is experimental and unsupported\&.
.SH SYNOPSIS    
.sp     
.nf     

\fBjinfo\fR [ \fIoption\fR ] \fIpid\fR
.fi     
.nf     

\fBjinfo\fR [ \fIoption \fR] \fIexecutable core\fR
.fi     
.nf     

\fBjinfo\fR [ \fIoption \fR] \fI[ servier\-id ] remote\-hostname\-or\-IP\fR
.fi     
.sp     
.TP     
\fIoption\fR
The command-line options\&. See Options\&.
.TP     
\fIpid\fR
The process ID for which the configuration information is to be printed\&. The process must be a Java process\&. To get a list of Java processes running on a machine, use the jps(1) command\&.
.TP     
\fIexecutable\fR
The Java executable from which the core dump was produced\&.
.TP     
\fIcore\fR
The core file for which the configuration information is to be printed\&.
.TP     
\fIremote-hostname-or-IP\fR
The remote debug server \f3hostname\fR or \f3IP\fR address\&. See jsadebugd(1)\&.
.TP     
\fIserver-id\fR
An optional unique ID to use when multiple debug servers are running on the same remote host\&.
.SH DESCRIPTION    
The \f3jinfo\fR command prints Java configuration information for a specified Java process or core file or a remote debug server\&. The configuration information includes Java system properties and Java Virtual Machine (JVM) command-line flags\&. If the specified process is running on a 64-bit JVM, then you might need to specify the \f3-J-d64\fR option, for example: \f3jinfo\fR\f3-J-d64 -sysprops pid\fR\&.
.PP
This utility is unsupported and might 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 the jvm\&.dll that is used by the target process or the location from which the crash dump file was produced\&. For example, \f3set PATH=%JDK_HOME%\ejre\ebin\eclient;%PATH%\fR \&.
.SH OPTIONS    
.TP     
no-option
Prints both command-line flags and system property name-value pairs\&.
.TP
-flag \fIname\fR
.br
Prints the name and value of the specified command-line flag\&.
.TP
-flag \fI[+|-]name\fR
.br
enables or disables the specified Boolean command-line flag\&.
.TP
-flag \fIname=value\fR
.br
Sets the specified command-line flag to the specified value\&.
.TP
-flags
.br
Prints command-line flags passed to the JVM\&.
.TP
-sysprops
.br
Prints Java system properties as name-value pairs\&.
.TP
-h
.br
Prints a help message\&.
.TP
-help
.br
Prints a help message\&.
.SH SEE\ ALSO    
.TP 0.2i    
\(bu
jps(1)
.TP 0.2i    
\(bu
jsadebugd(1)
.RE
.br
'pl 8.5i
'bp

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