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| Version: 9.4.28-SNAPSHOT</span></td><td style="width: 50%"></td></tr></table><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Managing Jetty Base and Jetty Home</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="start-jar.html"><i class="fa fa-chevron-left" aria-hidden="true"></i> Previous</a> </td><th width="60%" align="center">Chapter 9. Starting Jetty<br><a accesskey="p" href="index.html"><i class="fa fa-home" aria-hidden="true"></i> Home</a></th><td width="20%" align="right"> <a accesskey="n" href="startup-classpath.html">Next <i class="fa fa-chevron-right" aria-hidden="true"></i></a></td></tr></table><hr></div><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="jetty-callout"><h5 class="callout"><a href="http://www.webtide.com/">Contact the core Jetty developers at |
| <span class="website">www.webtide.com</span></a></h5><p> |
| private support for your internal/customer projects ... custom extensions and distributions ... versioned snapshots for indefinite support ... |
| scalability guidance for your apps and Ajax/Comet projects ... development services for sponsored feature development |
| </p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="startup-base-and-home"></a>Managing Jetty Base and Jetty Home</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="section"><a href="startup-base-and-home.html#demo-base">Demo-Base in the Jetty Distribution</a></span></dt><dt><span class="section"><a href="startup-base-and-home.html#_declaring_jetty_base">Declaring Jetty Base</a></span></dt></dl></div><p>Instead of managing multiple Jetty implementations out of several different distribution locations, it is possible to maintain a separation between the binary installation of the standalone Jetty (known as <code class="literal">${jetty.home}</code>), and the customizations for your specific environment(s) (known as <code class="literal">${jetty.base}</code>). |
| In addition to easy management of multiple server instances, is allows for quick, drop-in upgrades of Jetty. |
| There should always only be <span class="strong"><strong>one</strong></span> Jetty Home (per version of Jetty), but there can be multiple Jetty Base directories that reference it.</p><div class="variablelist"><dl class="variablelist"><dt><span class="term">Jetty Base</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">Also known as the <code class="literal">${jetty.base}</code> property.</li><li class="listitem">This is the location for your configurations and customizations to the Jetty distribution.</li></ul></div></dd><dt><span class="term">Jetty Home</span></dt><dd><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">Also known as the <code class="literal">${jetty.home}</code> property.</li><li class="listitem">This is the location for the Jetty distribution binaries, default XML IoC configurations, and default module definitions.</li></ul></div></dd></dl></div><div class="blockquote"><blockquote class="blockquote"><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title"><i class="fa fa-plus" aria-hidden="true"></i> Important</h3><p>Jetty Home should always be treated as a standard of truth. |
| All configuration modifications, changes and additions should be made in the appropriate Jetty Base directory.</p></div></blockquote></div><p><a name="base-vs-home-resolution"></a>Potential configuration is resolved from these 2 directory locations. |
| When Jetty starts up in processes configuration from them as follows:</p><div class="variablelist"><dl class="variablelist"><dt><span class="term">Check Jetty Base First</span></dt><dd>If the referenced configuration exists, relative to the defined Jetty base, it is used.</dd><dt><span class="term">Check Jetty Home Second</span></dt><dd>If the referenced configuration exists, relative to the defined Jetty home, it is used.</dd><dt><span class="term">Use java.io.File(String pathname) Logic</span></dt><dd>Lastly, use the reference as a <code class="literal">java.io.File(String pathname)</code> reference, following the default resolution rules outlined by that constructor. In brief, the reference will be used as-is, be it relative (to current working directory, aka $\{user.dir}) or absolute path, or even network reference (such as on Windows and use of UNC paths).</dd></dl></div><p>For more details on how startup with start.jar works, see <a class="link" href="start-jar.html#executing-startjar" title="Executing start.jar">Using start.jar: Executing</a></p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="demo-base"></a>Demo-Base in the Jetty Distribution</h3></div></div></div><p>The Jetty Distribution comes with an example <code class="literal">${jetty.base}</code> which enables the various demonstration webapps and server configurations.</p><div class="screenexample"><pre class="screen">[jetty-distribution-9.4.28-SNAPSHOT]$ ls -la |
| |
| total 496 |
| drwxrwxr-x 11 user group 4096 Oct 8 15:23 ./ |
| drwxr-xr-x 14 user group 4096 Oct 8 13:04 ../ |
| drwxrwxr-x 2 user group 4096 Oct 8 06:54 bin/ |
| drwxrwxr-x 6 user group 4096 Oct 8 06:54 demo-base/ |
| drwxrwxr-x 2 user group 4096 Oct 11 15:14 etc/ |
| drwxrwxr-x 11 user group 4096 Oct 8 06:54 lib/ |
| -rw-rw-r-- 1 user group 30012 Sep 30 19:55 license-eplv10-aslv20.html |
| drwxrwxr-x 2 user group 4096 Oct 8 06:54 logs/ |
| drwxrwxr-x 2 user group 4096 Oct 8 06:54 modules/ |
| -rw-rw-r-- 1 user group 6262 Sep 30 19:55 notice.html |
| -rw-rw-r-- 1 user group 1249 Sep 30 19:55 README.TXT |
| drwxrwxr-x 2 user group 4096 Oct 8 06:54 resources/ |
| drwxrwxr-x 2 user group 4096 Oct 8 06:54 start.d/ |
| -rw-rw-r-- 1 user group 1780 Sep 30 19:55 start.ini |
| -rw-rw-r-- 1 user group 71921 Sep 30 19:55 start.jar |
| -rw-rw-r-- 1 user group 336468 Sep 30 19:55 VERSION.txt |
| drwxrwxr-x 2 user group 4096 Oct 8 06:54 webapps/ |
| |
| [jetty-distribution-9.4.28-SNAPSHOT]$ cd demo-base |
| [demo-base]$ java -jar $JETTY_HOME/start.jar |
| |
| 2013-10-16 09:08:47.800:WARN::main: demo test-realm is deployed. DO NOT USE IN PRODUCTION! |
| 2013-10-16 09:08:47.802:INFO:oejs.Server:main: jetty-9.4.28-SNAPSHOT |
| 2013-10-16 09:08:47.817:INFO:oejdp.ScanningAppProvider:main: Deployment monitor [file:/home/user/jetty-distribution-9.4.28-SNAPSHOT/demo-base/webapps/] at interval 1 |
| 2013-10-16 09:08:48.072:WARN::main: async-rest webapp is deployed. DO NOT USE IN PRODUCTION! |
| ...</pre></div><p>If you want to see what the Jetty base looks like without executing Jetty, you can simply list the configuration by using the <code class="literal">--list-config</code> command.</p><div class="screenexample"><pre class="screen">[demo-base]$ java -jar $JETTY_HOME/start.jar --list-config |
| |
| Java Environment: |
| ----------------- |
| java.home=/usr/lib/jvm/jdk-7u21-x64/jre |
| java.vm.vendor = Oracle Corporation |
| java.vm.version = 25.92-b14 |
| java.vm.name = Java HotSpot(TM) 64-Bit Server VM |
| java.vm.info = mixed mode |
| java.runtime.name = Java(TM) SE Runtime Environment |
| java.runtime.version = 1.8.0_92-b14 |
| java.io.tmpdir = /var/folders/h6/yb_lbnnn11g0y1jjlvqg631h0000gn/T/ |
| user.dir = /home/user/jetty-distribution-9.4.28-SNAPSHOT |
| user.language = en |
| user.country = US |
| |
| Jetty Environment: |
| ----------------- |
| jetty.home=/home/user/jetty-distribution-9.4.28-SNAPSHOT |
| jetty.tag.version = master |
| jetty.base=/home/user/jetty-distribution-9.4.28-SNAPSHOT/demo-base |
| jetty.version=9.4.28-SNAPSHOT |
| |
| Config Search Order: |
| -------------------- |
| <command-line> |
| ${jetty.base} -> /home/user/jetty-distribution-9.4.28-SNAPSHOT/demo-base |
| ${jetty.home} -> /home/user/Desktop/jetty-distribution-9.4.28-SNAPSHOT |
| |
| JVM Arguments: |
| -------------- |
| (no jvm args specified) |
| |
| System Properties: |
| ------------------ |
| jetty.base = /home/user/jetty-distribution-9.4.28-SNAPSHOT/demo-base |
| jetty.home = /home/user/jetty-distribution-9.4.28-SNAPSHOT |
| |
| Properties: |
| ----------- |
| demo.realm = etc/realm.properties |
| https.port = 8443 |
| https.timeout = 30000 |
| jaas.login.conf = etc/login.conf |
| jetty.dump.start = false |
| jetty.dump.stop = false |
| jetty.keymanager.password = OBF:1u2u1wml1z7s1z7a1wnl1u2g |
| jetty.keystore = etc/keystore |
| jetty.keystore.password = OBF:1vny1zlo1x8e1vnw1vn61x8g1zlu1vn4 |
| jetty.http.port = 8080 |
| jetty.secure.port = 8443 |
| jetty.truststore = etc/keystore |
| jetty.truststore.password = OBF:1vny1zlo1x8e1vnw1vn61x8g1zlu1vn4 |
| org.eclipse.jetty.websocket.jsr356 = false |
| threads.max = 200 |
| threads.min = 10 |
| threads.timeout = 60000 |
| |
| Jetty Server Classpath: |
| ----------------------- |
| Version Information on 42 entries in the classpath. |
| Note: order presented here is how they would appear on the classpath. |
| changes to the --module=name command line options will be reflected here. |
| 0: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-client-9.4.28-SNAPSHOT.jar |
| 1: 1.4.1.v201005082020 | ${jetty.base}/lib/ext/javax.mail.glassfish-1.4.1.v201005082020.jar |
| 2: 9.4.28-SNAPSHOT | ${jetty.base}/lib/ext/test-mock-resources-9.4.28-SNAPSHOT.jar |
| 3: (dir) | ${jetty.home}/resources |
| 4: 3.1.0 | ${jetty.home}/lib/servlet-api-3.1.jar |
| 5: 3.1.RC0 | ${jetty.home}/lib/jetty-schemas-3.1.jar |
| 6: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-http-9.4.28-SNAPSHOT.jar |
| 7: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-continuation-9.4.28-SNAPSHOT.jar |
| 8: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-server-9.4.28-SNAPSHOT.jar |
| 9: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-xml-9.4.28-SNAPSHOT.jar |
| 10: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-util-9.4.28-SNAPSHOT.jar |
| 11: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-io-9.4.28-SNAPSHOT.jar |
| 12: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-jaas-9.4.28-SNAPSHOT.jar |
| 13: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-jndi-9.4.28-SNAPSHOT.jar |
| 14: 1.1.0.v201105071233 | ${jetty.home}/lib/jndi/javax.activation-1.1.0.v201105071233.jar |
| 15: 1.4.1.v201005082020 | ${jetty.home}/lib/jndi/javax.mail.glassfish-1.4.1.v201005082020.jar |
| 16: 1.3 | ${jetty.home}/lib/jndi/javax.transaction-api-1.3.jar |
| 17: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-rewrite-9.4.28-SNAPSHOT.jar |
| 18: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-security-9.4.28-SNAPSHOT.jar |
| 19: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-servlet-9.4.28-SNAPSHOT.jar |
| 20: 3.0.0 | ${jetty.home}/lib/jsp/javax.el-3.0.0.jar |
| 21: 1.2.0.v201105211821 | ${jetty.home}/lib/jsp/javax.servlet.jsp.jstl-1.2.0.v201105211821.jar |
| 22: 2.3.2 | ${jetty.home}/lib/jsp/javax.servlet.jsp-2.3.2.jar |
| 23: 2.3.1 | ${jetty.home}/lib/jsp/javax.servlet.jsp-api-2.3.1.jar |
| 24: 2.3.3 | ${jetty.home}/lib/jsp/jetty-jsp-jdt-2.3.3.jar |
| 25: 1.2.0.v201112081803 | ${jetty.home}/lib/jsp/org.apache.taglibs.standard.glassfish-1.2.0.v201112081803.jar |
| 26: 3.8.2.v20130121-145325 | ${jetty.home}/lib/jsp/org.eclipse.jdt.core-3.8.2.v20130121.jar |
| 27: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-plus-9.4.28-SNAPSHOT.jar |
| 28: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-webapp-9.4.28-SNAPSHOT.jar |
| 29: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-annotations-9.4.28-SNAPSHOT.jar |
| 30: 4.1 | ${jetty.home}/lib/annotations/asm-4.1.jar |
| 31: 4.1 | ${jetty.home}/lib/annotations/asm-commons-4.1.jar |
| 32: 1.2 | ${jetty.home}/lib/annotations/javax.annotation-api-1.2.jar |
| 33: 9.4.28-SNAPSHOT | ${jetty.home}/lib/jetty-deploy-9.4.28-SNAPSHOT.jar |
| 34: 1.0 | ${jetty.home}/lib/websocket/javax.websocket-api-1.0.jar |
| 35: 9.4.28-SNAPSHOT | ${jetty.home}/lib/websocket/javax-websocket-client-impl-9.4.28-SNAPSHOT.jar |
| 36: 9.4.28-SNAPSHOT | ${jetty.home}/lib/websocket/javax-websocket-server-impl-9.4.28-SNAPSHOT.jar |
| 37: 9.4.28-SNAPSHOT | ${jetty.home}/lib/websocket/websocket-api-9.4.28-SNAPSHOT.jar |
| 38: 9.4.28-SNAPSHOT | ${jetty.home}/lib/websocket/websocket-client-9.4.28-SNAPSHOT.jar |
| 39: 9.4.28-SNAPSHOT | ${jetty.home}/lib/websocket/websocket-common-9.4.28-SNAPSHOT.jar |
| 40: 9.4.28-SNAPSHOT | ${jetty.home}/lib/websocket/websocket-server-9.4.28-SNAPSHOT.jar |
| 41: 9.4.28-SNAPSHOT | ${jetty.home}/lib/websocket/websocket-servlet-9.4.28-SNAPSHOT.jar |
| |
| Jetty Active XMLs: |
| ------------------ |
| ${jetty.home}/etc/jetty.xml |
| ${jetty.home}/etc/jetty-webapp.xml |
| ${jetty.home}/etc/jetty-plus.xml |
| ${jetty.home}/etc/jetty-annotations.xml |
| ${jetty.home}/etc/jetty-deploy.xml |
| ${jetty.home}/etc/jetty-http.xml |
| ${jetty.home}/etc/jetty-ssl.xml |
| ${jetty.home}/etc/jetty-ssl-context.xml |
| ${jetty.home}/etc/jetty-https.xml |
| ${jetty.home}/etc/jetty-jaas.xml |
| ${jetty.home}/etc/jetty-rewrite.xml |
| ${jetty.base}/etc/demo-rewrite-rules.xml |
| ${jetty.base}/etc/test-realm.xml</pre></div><p>The <code class="literal">--list-config</code> command line option displays what the configuration will look like when starting Jetty. |
| This includes information on the Java environment to the system properties, the classpath and the Active Jetty IoC XML used to build up the Jetty server configuration.</p><p>Of note, is that the output will make it known where the configuration elements came from, be it in either in <code class="literal">${jetty.home}</code> or <code class="literal">${jetty.base}</code>.</p><p>If you look at the <code class="literal">${jetty.base}/start.ini</code> you will see a layout similar to below.</p><div class="screenexample"><pre class="screen">[my-base]$ cat start.ini |
| |
| # Enable security via jaas, and configure it |
| --module=jaas |
| jaas.login.conf=etc/login.conf |
| |
| # Enable rewrite examples |
| --module=rewrite |
| etc/demo-rewrite-rules.xml |
| |
| # Websocket chat examples needs websocket enabled |
| # Don't start for all contexts (set to true in test.xml context) |
| org.eclipse.jetty.websocket.jsr356=false |
| --module=websocket |
| |
| # Create and configure the test realm |
| etc/test-realm.xml |
| demo.realm=etc/realm.properties |
| |
| # Initialize module server |
| --module=server |
| threads.min=10 |
| threads.max=200 |
| threads.timeout=60000 |
| jetty.dump.start=false |
| jetty.dump.stop=false |
| |
| --module=deploy |
| --module=jsp |
| --module=ext |
| --module=resources |
| --module=client |
| --module=annotations</pre></div><p>In this example, <code class="literal">${jetty.base}/start.ini</code> is the main startup configuration entry point for Jetty. |
| You will see that we are enabling a few modules for Jetty, specifying some properties, and also referencing some Jetty IoC XML files (namely the <code class="literal">etc/demo-rewrite-rules.xml</code> and <code class="literal">etc/test-realm.xml</code> files)</p><p>When Jetty’s <code class="literal">start.jar</code> resolves the entries in the <code class="literal">start.ini</code>, it will follow the <a class="link" href="startup-base-and-home.html#base-vs-home-resolution">resolution rules above</a>.</p><p>For example, the reference to <code class="literal">etc/demo-rewrite-rules.xml</code> was found in <code class="literal">${jetty.base}/etc/demo-rewrite-rules.xml</code>.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_declaring_jetty_base"></a>Declaring Jetty Base</h3></div></div></div><p>The Jetty distribution’s <code class="literal">start.jar</code> is the component that manages the behavior of this separation.</p><p>The Jetty <code class="literal">start.jar</code> and XML files always assume that both <code class="literal">${jetty.home}</code> and <code class="literal">${jetty.base}</code> are defined when starting Jetty.</p><p>You can opt to manually define the <code class="literal">${jetty.home}</code> and <code class="literal">${jetty.base}</code> directories, such as this:</p><div class="screenexample"><pre class="screen">[jetty-distribution-9.4.28-SNAPSHOT]$ pwd |
| /home/user/jetty-distribution-9.4.28-SNAPSHOT |
| |
| [jetty-distribution-9.4.28-SNAPSHOT]$ java -jar start.jar \ |
| jetty.home=/home/user/jetty-distribution-9.4.28-SNAPSHOT \ |
| jetty.base=/home/user/my-base |
| |
| 2013-10-16 09:08:47.802:INFO:oejs.Server:main: jetty-9.4.28-SNAPSHOT |
| 2013-10-16 09:08:47.817:INFO:oejdp.ScanningAppProvider:main: Deployment monitor [file:/home/user/my-base/webapps/] at interval 1 |
| ...</pre></div><p>Alternately, you can declare one directory and let the other one be discovered.</p><p>The following example uses default discovery of <code class="literal">${jetty.home}</code> by using the parent directory of wherever <code class="literal">start.jar</code> itself is, and a manual declaration of <code class="literal">${jetty.base}</code>.</p><div class="screenexample"><pre class="screen">[jetty-distribution-9.4.28-SNAPSHOT]$ pwd |
| /home/user/jetty-distribution-9.4.28-SNAPSHOT |
| |
| [jetty-distribution-9.4.28-SNAPSHOT]$ java -jar start.jar jetty.base=/home/user/my-base |
| |
| 2013-10-16 09:08:47.802:INFO:oejs.Server:main: jetty-9.4.28-SNAPSHOT |
| 2013-10-16 09:08:47.817:INFO:oejdp.ScanningAppProvider:main: Deployment monitor [file:/home/user/my-base/webapps/] at interval 1 |
| ...</pre></div><p>But Jetty recommends that you always start Jetty from the directory that is your <code class="literal">${jetty.base}</code> and starting Jetty by referencing |
| the <code class="literal">start.jar</code> in your <code class="literal">{$jetty.home}</code> remotely.</p><p>The following demonstrates this by allowing default discovery of <code class="literal">${jetty.home}</code> via locating the <code class="literal">start.jar</code>, and using the <code class="literal">user.dir</code> System Property for <code class="literal">${jetty.base}</code>.</p><div class="screenexample"><pre class="screen">[jetty-distribution-9.4.28-SNAPSHOT]$ pwd |
| /home/user/jetty-distribution-9.4.28-SNAPSHOT |
| |
| [jetty-distribution-9.4.28-SNAPSHOT]$ cd /home/user/my-base |
| [my-base]$ java -jar /home/user/jetty-distribution-9.4.28-SNAPSHOT/start.jar |
| |
| 2013-10-16 09:08:47.802:INFO:oejs.Server:main: jetty-9.4.28-SNAPSHOT |
| 2013-10-16 09:08:47.817:INFO:oejdp.ScanningAppProvider:main: Deployment monitor [file:/home/user/my-base/webapps/] at interval 1 |
| ...</pre></div><div class="blockquote"><blockquote class="blockquote"><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title"><i class="fa fa-plus" aria-hidden="true"></i> Important</h3><p>Be aware of the <code class="literal">user.dir</code> system property, as it can only be safely set when the JVM starts and many 3rd party libraries (especially logging) use this system property. |
| It is strongly recommended that you sit in the directory that is your desired <code class="literal">${jetty.base}</code> when starting Jetty to have consistent behavior and use of the <code class="literal">user.dir</code> system property.</p></div></blockquote></div></div></div><script type="text/javascript"> |
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