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From conflue...@apache.org
Subject [CONF] Apache Geronimo v3.0 > Running multiple Geronimo instances
Date Mon, 26 Sep 2011 21:41:00 GMT
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    <h2><a href="https://cwiki.apache.org/confluence/display/GMOxDOC30/Running+multiple+Geronimo+instances">Running
multiple Geronimo instances</a></h2>
    <h4>Page <b>edited</b> by             <a href="https://cwiki.apache.org/confluence/display/~rglaue">Russell
E Glaue</a>
    </h4>
        <div id="versionComment">
        <b>Comment:</b>
        correction in reference to GERONIMO-5987<br />
    </div>
        <br/>
                         <h4>Changes (3)</h4>
                                 
    
<div id="page-diffs">
                    <table class="diff" cellpadding="0" cellspacing="0">
    
            <tr><td class="diff-snipped" >...<br></td></tr>
            <tr><td class="diff-unchanged" > <br>{note} <br></td></tr>
            <tr><td class="diff-unchanged" >For both Geronimo javaee6 and minimal
release bundles, you can only safely run multiple instance by completely copying the server
folder to another, and start a 2nd instance after changing its portOffset value. <br></td></tr>
            <tr><td class="diff-unchanged" > <br></td></tr>
            <tr><td class="diff-changed-lines" >For the Geronimo javaee6 release
bundles, a patch applied on September 23, 2011 (See [GERONIMO-5987|https://issues.apache.org/jira/browse/GERONIMO-5987])
fixes an issue with ActiveMQ that previously prevented Geronimo javaee6 from running multiple
instances. Though multiple instances of Geronimo javaee6 can now be started, it is still undergoing
testing in scenarios following this documentation. And several issues are identified in [GERONIMO-6174|https://issues.apache.org/jira/browse/GERONIMO-6174]
and [GERONIMO-6175|https://issues.apache.org/jira/browse/GERONIMO-6175]. Refer to [GERONIMO-5987|https://issues.apache.org/jira/browse/GERONIMO-5987]
for proper startup <span class="diff-changed-words">procedures<span class="diff-added-chars"style="background-color:
#dfd;"> to work around an ActiveMQ issue</span>.</span> <br></td></tr>
            <tr><td class="diff-unchanged" > <br></td></tr>
            <tr><td class="diff-changed-lines" >Though it is possible to startup
multiple instances of the Geronimo minimal release, the known issues to do so safely are shared
with those identified in [GERONIMO-6174|https://issues.apache.org/jira/browse/GERONIMO-6174]
and [GERONIMO-6175|https://issues.apache.org/jira/browse/GERONIMO-6175]. <span class="diff-deleted-words"style="color:#999;background-color:#fdd;text-decoration:line-through;">And
similarly, refer to [GERONIMO-5987|https://issues.apache.org/jira/browse/GERONIMO-5987] for
proper startup procedures.</span> <br></td></tr>
            <tr><td class="diff-deleted-lines" style="color:#999;background-color:#fdd;text-decoration:line-through;">
<br></td></tr>
            <tr><td class="diff-unchanged" >{note} <br> <br></td></tr>
            <tr><td class="diff-snipped" >...<br></td></tr>
    
            </table>
    </div>                            <h4>Full Content</h4>
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<div class='panelMacro'><table class='noteMacro'><colgroup><col width='24'><col></colgroup><tr><td
valign='top'><img src="/confluence/images/icons/emoticons/warning.gif" width="16" height="16"
align="absmiddle" alt="" border="0"></td><td>For both Geronimo javaee6 and
minimal release bundles, you can only safely run multiple instance by completely copying the
server folder to another, and start a 2nd instance after changing its portOffset value.

<p>For the Geronimo javaee6 release bundles, a patch applied on September 23, 2011 (See
<a href="https://issues.apache.org/jira/browse/GERONIMO-5987" class="external-link" rel="nofollow">GERONIMO-5987</a>)
fixes an issue with ActiveMQ that previously prevented Geronimo javaee6 from running multiple
instances. Though multiple instances of Geronimo javaee6 can now be started, it is still undergoing
testing in scenarios following this documentation. And several issues are identified in <a
href="https://issues.apache.org/jira/browse/GERONIMO-6174" class="external-link" rel="nofollow">GERONIMO-6174</a>
and <a href="https://issues.apache.org/jira/browse/GERONIMO-6175" class="external-link"
rel="nofollow">GERONIMO-6175</a>. Refer to <a href="https://issues.apache.org/jira/browse/GERONIMO-5987"
class="external-link" rel="nofollow">GERONIMO-5987</a> for proper startup procedures
to work around an ActiveMQ issue.</p>

<p>Though it is possible to startup multiple instances of the Geronimo minimal release,
the known issues to do so safely are shared with those identified in <a href="https://issues.apache.org/jira/browse/GERONIMO-6174"
class="external-link" rel="nofollow">GERONIMO-6174</a> and <a href="https://issues.apache.org/jira/browse/GERONIMO-6175"
class="external-link" rel="nofollow">GERONIMO-6175</a>.</p></td></tr></table></div>


<p>It is possible to run multiple instances of Geronimo on the same machine. Currently
multiple instances of Geronimo share the following directories in <tt>&lt;geronimo_home&gt;</tt>,
the directory where you installed Geronimo. These are read-only.</p>
<ul>
	<li>bin</li>
	<li>jsr88</li>
	<li>lib</li>
	<li>schema</li>
</ul>


<p>Each instance gets its own copy of the following at <tt>&lt;geronimo_home&gt;/&lt;instance_name&gt;</tt>
. These are read-write and are necessary for each Geronimo instance.</p>
<ul>
	<li>etc</li>
	<li>repository</li>
	<li>var</li>
</ul>


<p>These are also read-write but are not part of the minimally necessary directories
and files for running a Geronimo instance, but may be desired. The deploy directory will be
automatically created when you start Geronimo if it does not already exist.</p>
<ul>
	<li>deploy</li>
	<li>hotbundles</li>
</ul>


<p>The bin, lib and schema directories are read-only, and thus are shared between instances.
The repository is not shared, which means that an application deployed in one instance will
only show up in the list of deployed modules of the deployed instance.</p>

<h1><a name="RunningmultipleGeronimoinstances-Creatinganewserverinstance"></a>Creating
a new server instance</h1>

<p>Start with a fresh image of Geronimo. Do not use an image that has been used to run
the default instance.</p>

<p>To create an instance named <tt>foo</tt> do the following. All your instance
data will be put in <tt>&lt;geronimo_home&gt;/foo</tt>. All the directories
named below are relative to <tt>&lt;geronimo_home&gt;</tt>.<br/>
Follow the procedures as below:</p>
<ol>
	<li>Create a directory <tt>foo</tt> under <tt>&lt;geronimo_home&gt;</tt>.</li>
	<li>Copy <tt>var</tt>, <tt>repository</tt> and <tt>etc</tt>
directories to <tt>foo</tt>.You can use the command <a href="/confluence/display/GMOxDOC30/gogo+commands+for+Geronimo#gogocommandsforGeronimo-gogocommandsforGeronimogogocommandnewserverins...">deploy:new-server-instance</a>
to help you with this step.</li>
	<li>Edit <tt>foo/var/config/config-substitutions.properties</tt> and change
the portOffset. Try using any integers such as 1, 2, 10, 20, 30.. for various instances.</li>
</ol>



<h1><a name="RunningmultipleGeronimoinstances-Runninganinstance"></a>Running
an instance</h1>

<ol>
	<li>Set the <tt>org.apache.geronimo.server.name</tt> system property to
define a server name before you start the server. This system property is null by default,
defining the server instance at <tt>&lt;geronimo_home&gt;</tt> as the
default instance. Use the syntax <tt>&#45;Dorg.apache.geronimo.server.name=foo</tt>
to change the server name to an instance named <tt>foo</tt> located at <tt>&lt;geronimo_home&gt;/foo</tt>.
Add this to your <tt>GERONIMO_OPTS</tt> environment variable:</li>
</ol>
<ul>
	<li>On a Windows system: <tt>set GERONIMO_OPTS=-Dorg.apache.geronimo.server.name=foo</tt></li>
	<li>On a Unix-like system: <tt>export GERONIMO_OPTS=-Dorg.apache.geronimo.server.name=foo</tt></li>
</ul>
<ol>
	<li>Start the server using startup
<div class="preformatted panel" style="border-style: solid;border-width: 1px;"><div
class="preformattedContent panelContent">
<pre>&lt;geronimo_home&gt;/bin/startup
</pre>
</div></div></li>
	<li>To shutdown this instance, use the port number of RMI Naming port (default 1099).
For the new instance <tt>foo</tt>, the port number should be 1099 plus portOffset
specified in <tt>foo/var/config/config-substitutions.properties</tt>.
<div class="preformatted panel" style="border-style: solid;border-width: 1px;"><div
class="preformattedContent panelContent">
<pre>&lt;geronimo_home&gt;/bin/shutdown --port &lt;port_num&gt;
</pre>
</div></div></li>
	<li>To deploy applications to this instance use the port number of RMI Naming port
<div class="preformatted panel" style="border-style: solid;border-width: 1px;"><div
class="preformattedContent panelContent">
<pre>&lt;geronimo_home&gt;/bin/deploy --port &lt;port_num&gt; deploy
&lt;applications&gt;
</pre>
</div></div></li>
</ol>


<p>The Administrative Console can also be used for all these operations. Connect to
an instance by using the right HTTP port (default 8080).</p>

<h2><a name="RunningmultipleGeronimoinstances-Exampleruntimeformultipleinstances"></a>Example
runtime for multiple instances</h2>
<ul>
	<li>First download the Geronimo bundle distribution</li>
	<li>Determine what you want <tt>GERONIMO_HOME</tt> to be. We will use <tt>/opt/geronimo3</tt>
for this example.</li>
	<li>Unpack the Geronimo bundle, and move the unpacked directory to <tt>/opt/geronimo3</tt></li>
	<li>We'll create two Geronimo instances named gserv1 and gserv2
	<ul>
		<li>Create the Geronimo instance directories as <tt>/opt/geronimo3/gserv1</tt>
and <tt>/opt/geronimo3/gserv2</tt></li>
		<li>Copy the directories <tt>var</tt>, <tt>etc</tt>, and <tt>repository</tt>
to each instance directory</li>
		<li>Modify the <tt>gservN/var/config/config-substitutions.properties</tt>
file for each Geronimo instance changing the <tt>PortOffset</tt>. We'll set the
<tt>PortOffset</tt> for <tt>gserv1</tt> to 100 and the <tt>PortOffset</tt>
for <tt>gserv2</tt> to 200 for our example.</li>
		<li>Create a start script in each Geronimo instance directory to make it easier to
start each instance
		<ul>
			<li><tt>/opt/geronimo3/gserv1/start.sh</tt>
<div class="preformatted panel" style="border-style: solid;border-width: 1px;"><div
class="preformattedContent panelContent">
<pre>#!/bin/bash
# Geronimo start script
# instance: gserv1

# Uncomment this to explicitly set Geronimo's runtime Java
#JAVA_HOME=/usr/jdk1.6.0_25
#PATH=${JAVA_HOME}/bin:${PATH}

GHOME=/opt/geronimo3
GVIRT=gserv1

export GERONIMO_OPTS=-Dorg.apache.geronimo.server.name=${GVIRT}
# Normal startuo
${GHOME}/bin/startup
# Interactive startup
#${GHOME}/bin/geronimo run
</pre>
</div></div></li>
			<li><tt>/opt/geronimo3/gserv2/start.sh</tt>
<div class="preformatted panel" style="border-style: solid;border-width: 1px;"><div
class="preformattedContent panelContent">
<pre>#!/bin/bash
# Geronimo start script
# instance: gserv2

# Uncomment this to explicitly set Geronimo's runtime Java
#JAVA_HOME=/usr/jdk1.6.0_25
#PATH=${JAVA_HOME}/bin:${PATH}

GHOME=/opt/geronimo3
GVIRT=gserv2

export GERONIMO_OPTS=-Dorg.apache.geronimo.server.name=${GVIRT}
# Normal startuo
${GHOME}/bin/startup
# Interactive startup
#${GHOME}/bin/geronimo run
</pre>
</div></div></li>
		</ul>
		</li>
		<li>On linux, make the start script is executable with chmod: chmod 755 start.sh</li>
	</ul>
	</li>
	<li>Your Geronimo installation file structure should look something similar to this:
<div class="preformatted panel" style="border-style: solid;border-width: 1px;"><div
class="preformattedContent panelContent">
<pre>/opt/geronimo3
|-- LICENSE
|-- NOTICE
|-- README.txt
|-- RELEASE_NOTES-3.0-SNAPSHOT.txt
|-- bin
|-- deploy
|-- etc
|-- gserv1
|   |-- etc
|   |-- repository
|   |-- start.sh
|   `-- var
|-- gserv2
|   |-- etc
|   |-- repository
|   |-- start.sh
|   `-- var
|-- hotbundles
|-- jsr88
|-- lib
|-- repository
|-- schema
`-- var
</pre>
</div></div></li>
	<li>Finally you can start up each instance by executing their associated start script
you just created in the previous step</li>
</ul>



<h1><a name="RunningmultipleGeronimoinstances-Furtherreadings"></a>Further
readings</h1>

<p>To use multiple repositories see <a href="/confluence/display/GMOxDOC30/Configuring+multiple+repositories"
title="Configuring multiple repositories">Configuring multiple repositories</a>.</p>
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