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| 2 | <html lang="en"><head><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><link href="../images/docs-stylesheet.css" rel="stylesheet" type="text/css"><title>Apache Tomcat 9 Configuration Reference (9.0.112) - The ClusterManager object</title></head><body><div id="wrapper"><header><div id="header"><div><div><div class="logo noPrint"><a href="https://tomcat.apache.org/"><img alt="Tomcat Home" src="../images/tomcat.png"></a></div><div style="height: 1px;"></div><div class="asfLogo noPrint"><a href="https://www.apache.org/" target="_blank"><img src="../images/asf-logo.svg" alt="The Apache Software Foundation" style="width: 266px; height: 83px;"></a></div><h1>Apache Tomcat 9 Configuration Reference</h1><div class="versionInfo"> |
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| 3 | Version 9.0.112, |
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| 4 | <time datetime="2025-11-06">Nov 6 2025</time></div><div style="height: 1px;"></div><div style="clear: left;"></div></div></div></div></header><div id="middle"><div><div id="mainLeft" class="noprint"><div><nav><div><h2>Links</h2><ul><li><a href="../index.html">Docs Home</a></li><li><a href="index.html">Config Ref. Home</a></li><li><a href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ">FAQ</a></li><li><a href="#comments_section">User Comments</a></li></ul></div><div><h2>Top Level Elements</h2><ul><li><a href="server.html">Server</a></li><li><a href="service.html">Service</a></li></ul></div><div><h2>Executors</h2><ul><li><a href="executor.html">Executor</a></li></ul></div><div><h2>Connectors</h2><ul><li><a href="http.html">HTTP/1.1</a></li><li><a href="http2.html">HTTP/2</a></li><li><a href="ajp.html">AJP</a></li></ul></div><div><h2>Containers</h2><ul><li><a href="context.html">Context</a></li><li><a href="engine.html">Engine</a></li><li><a href="host.html">Host</a></li><li><a href="cluster.html">Cluster</a></li></ul></div><div><h2>Nested Components</h2><ul><li><a href="cookie-processor.html">CookieProcessor</a></li><li><a href="credentialhandler.html">CredentialHandler</a></li><li><a href="globalresources.html">Global Resources</a></li><li><a href="jar-scanner.html">JarScanner</a></li><li><a href="jar-scan-filter.html">JarScanFilter</a></li><li><a href="listeners.html">Listeners</a></li><li><a href="loader.html">Loader</a></li><li><a href="manager.html">Manager</a></li><li><a href="realm.html">Realm</a></li><li><a href="resources.html">Resources</a></li><li><a href="sessionidgenerator.html">SessionIdGenerator</a></li><li><a href="valve.html">Valve</a></li></ul></div><div><h2>Cluster Elements</h2><ul><li><a href="cluster.html">Cluster</a></li><li><a href="cluster-manager.html">Manager</a></li><li><a href="cluster-channel.html">Channel</a></li><li><a href="cluster-membership.html">Channel/Membership</a></li><li><a href="cluster-sender.html">Channel/Sender</a></li><li><a href="cluster-receiver.html">Channel/Receiver</a></li><li><a href="cluster-interceptor.html">Channel/Interceptor</a></li><li><a href="cluster-valve.html">Valve</a></li><li><a href="cluster-deployer.html">Deployer</a></li><li><a href="cluster-listener.html">ClusterListener</a></li></ul></div><div><h2>web.xml</h2><ul><li><a href="filter.html">Filter</a></li></ul></div><div><h2>Other</h2><ul><li><a href="runtime-attributes.html">Runtime attributes</a></li><li><a href="systemprops.html">System properties</a></li><li><a href="jaspic.html">JASPIC</a></li></ul></div></nav></div></div><div id="mainRight"><div id="content"><h2>The ClusterManager object</h2><h3 id="Table_of_Contents">Table of Contents</h3><div class="text"> |
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| 5 | <ul><li><a href="#Introduction">Introduction</a></li><li><a href="#The_<Manager>">The <Manager></a></li><li><a href="#Attributes">Attributes</a><ol><li><a href="#Common_Attributes">Common Attributes</a></li><li><a href="#org.apache.catalina.ha.session.DeltaManager_Attributes">org.apache.catalina.ha.session.DeltaManager Attributes</a></li><li><a href="#org.apache.catalina.ha.session.BackupManager_Attributes">org.apache.catalina.ha.session.BackupManager Attributes</a></li></ol></li><li><a href="#Nested_Components">Nested Components</a></li></ul> |
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| 6 | </div><h3 id="Introduction">Introduction</h3><div class="text"> |
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| 7 | <p>A cluster manager is an extension to Tomcat's session manager interface, |
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| 8 | <code>org.apache.catalina.Manager</code>. |
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| 9 | A cluster manager must implement the |
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| 10 | <code>org.apache.catalina.ha.ClusterManager</code> and is solely responsible |
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| 11 | for how the session is replicated.<br> |
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| 12 | There are currently two different managers, the |
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| 13 | <code>org.apache.catalina.ha.session.DeltaManager</code> replicates deltas of |
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| 14 | session data to all members in the cluster. This implementation is proven and |
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| 15 | works very well, but has a limitation as it requires the cluster members to be |
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| 16 | homogeneous, all nodes must deploy the same applications and be exact |
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| 17 | replicas. The <code>org.apache.catalina.ha.session.BackupManager</code> also |
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| 18 | replicates deltas but only to one backup node. The location of the backup node |
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| 19 | is known to all nodes in the cluster. It also supports heterogeneous |
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| 20 | deployments, so the manager knows at what locations the web application is |
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| 21 | deployed.</p> |
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| 22 | </div><h3 id="The_<Manager>">The <Manager></h3><div class="text"> |
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| 23 | <p>The <code><Manager></code> element defined inside the |
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| 24 | <code><Cluster></code> element is the template defined for all web |
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| 25 | applications that are marked <code><distributable/></code> in their |
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| 26 | <code>web.xml</code> file. However, you can still override the manager |
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| 27 | implementation on a per web application basis, by putting the |
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| 28 | <code><Manager></code> inside the <code><Context></code> element |
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| 29 | either in the <code><a href="context.html">context.xml</a></code> file or the |
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| 30 | <code><a href="index.html">server.xml</a></code> file.</p> |
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| 31 | </div><h3 id="Attributes">Attributes</h3><div class="text"> |
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| 32 | <div class="subsection"><h4 id="Common_Attributes">Common Attributes</h4><div class="text"> |
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| 33 | <table class="defaultTable"><tr><th style="width: 15%;"> |
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| 34 | Attribute |
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| 35 | </th><th style="width: 85%;"> |
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| 36 | Description |
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| 37 | </th></tr><tr id="Attributes_Common Attributes_className"><td><strong><code class="attributeName">className</code></strong></td><td> |
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| 38 | </td></tr><tr id="Attributes_Common Attributes_name"><td><code class="attributeName">name</code></td><td> |
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| 39 | <b>The name of this cluster manager, the name is used to identify a |
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| 40 | session manager on a node. The name might get modified by the |
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| 41 | <code>Cluster</code> element to make it unique in the container.</b> |
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| 42 | </td></tr><tr id="Attributes_Common Attributes_notifyListenersOnReplication"><td><code class="attributeName">notifyListenersOnReplication</code></td><td> |
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| 43 | Set to <code>true</code> if you wish to have session listeners notified |
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| 44 | when session attributes are being replicated or removed across Tomcat |
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| 45 | nodes in the cluster. |
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| 46 | </td></tr><tr id="Attributes_Common Attributes_processExpiresFrequency"><td><code class="attributeName">processExpiresFrequency</code></td><td> |
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| 47 | <p>Frequency of the session expiration, and related manager operations. |
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| 48 | Manager operations will be done once for the specified amount of |
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| 49 | backgroundProcess calls (i.e., the lower the amount, the more often the |
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| 50 | checks will occur). The minimum value is 1, and the default value is 6. |
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| 51 | </p> |
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| 52 | </td></tr><tr id="Attributes_Common Attributes_secureRandomClass"><td><code class="attributeName">secureRandomClass</code></td><td> |
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| 53 | <p>Name of the Java class that extends |
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| 54 | <code>java.security.SecureRandom</code> to use to generate session IDs. |
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| 55 | If not specified, the default value is |
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| 56 | <code>java.security.SecureRandom</code>.</p> |
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| 57 | </td></tr><tr id="Attributes_Common Attributes_secureRandomProvider"><td><code class="attributeName">secureRandomProvider</code></td><td> |
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| 58 | <p>Name of the provider to use to create the |
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| 59 | <code>java.security.SecureRandom</code> instances that generate session |
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| 60 | IDs. If an invalid algorithm and/or provider is specified, the Manager |
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| 61 | will use the platform default provider and the default algorithm. If not |
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| 62 | specified, the platform default provider will be used.</p> |
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| 63 | </td></tr><tr id="Attributes_Common Attributes_secureRandomAlgorithm"><td><code class="attributeName">secureRandomAlgorithm</code></td><td> |
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| 64 | <p>Name of the algorithm to use to create the |
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| 65 | <code>java.security.SecureRandom</code> instances that generate session |
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| 66 | IDs. If an invalid algorithm and/or provider is specified, the Manager |
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| 67 | will use the platform default provider and the default algorithm. If not |
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| 68 | specified, the default algorithm of SHA1PRNG will be used. If the |
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| 69 | default algorithm is not supported, the platform default will be used. |
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| 70 | To specify that the platform default should be used, do not set the |
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| 71 | secureRandomProvider attribute and set this attribute to the empty |
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| 72 | string.</p> |
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| 73 | </td></tr><tr id="Attributes_Common Attributes_recordAllActions"><td><code class="attributeName">recordAllActions</code></td><td> |
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| 74 | <p>Flag whether send all actions for session across Tomcat cluster |
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| 75 | nodes. If set to false, if already done something to the same attribute, |
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| 76 | make sure don't send multiple actions across Tomcat cluster nodes. |
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| 77 | In that case, sends only the actions that have been added at last. |
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| 78 | Default is <code>false</code>.</p> |
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| 79 | </td></tr></table> |
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| 80 | </div></div> |
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| 81 | <div class="subsection"><h4 id="org.apache.catalina.ha.session.DeltaManager_Attributes">org.apache.catalina.ha.session.DeltaManager Attributes</h4><div class="text"> |
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| 82 | <table class="defaultTable"><tr><th style="width: 15%;"> |
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| 83 | Attribute |
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| 84 | </th><th style="width: 85%;"> |
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| 85 | Description |
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| 86 | </th></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_enableStatistics"><td><code class="attributeName">enableStatistics</code></td><td> |
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| 87 | Tracks statistics for the session and events of the cluster. |
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| 88 | Default value is <code>true</code>. |
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| 89 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_expireSessionsOnShutdown"><td><code class="attributeName">expireSessionsOnShutdown</code></td><td> |
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| 90 | When a web application is being shutdown, Tomcat issues an expire call |
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| 91 | to each session to notify all the listeners. If you wish for all |
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| 92 | sessions to expire on all nodes when a shutdown occurs on one node, set |
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| 93 | this value to <code>true</code>. |
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| 94 | Default value is <code>false</code>. |
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| 95 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_maxActiveSessions"><td><code class="attributeName">maxActiveSessions</code></td><td> |
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| 96 | The maximum number of active sessions that will be created by this |
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| 97 | Manager, or -1 (the default) for no limit. For this manager, all |
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| 98 | sessions are counted as active sessions irrespective if whether or not |
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| 99 | the current node is the primary node for the session. |
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| 100 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_notifySessionListenersOnReplication"><td><code class="attributeName">notifySessionListenersOnReplication</code></td><td> |
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| 101 | Set to <code>true</code> if you wish to have session listeners notified |
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| 102 | when sessions are created and expired across Tomcat nodes in the |
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| 103 | cluster. |
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| 104 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_notifyContainerListenersOnReplication"><td><code class="attributeName">notifyContainerListenersOnReplication</code></td><td> |
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| 105 | Set to <code>true</code> if you wish to have container listeners notified |
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| 106 | across Tomcat nodes in the cluster. |
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| 107 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_persistAuthenticationNotes"><td><code class="attributeName">persistAuthenticationNotes</code></td><td> |
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| 108 | <p>Should authentication notes (used during FORM authentication) be |
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| 109 | included when sessions are replicated? If <code>true</code>, the |
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| 110 | session's authentication notes (used during FORM authentication) are |
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| 111 | replicated so that an in progress FORM authentication can continue if |
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| 112 | failover occurs during FORM authentication. If not specified, the |
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| 113 | default value of <code>false</code> will be used.</p> |
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| 114 | |||
| 115 | <p>Please note that all nodes must be upgraded to at least 9.0.66 (the |
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| 116 | version where this feature was introduced) before this feature is |
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| 117 | enabled else session replication may fail.</p> |
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| 118 | |||
| 119 | <p>This attribute has been removed for Tomcat 10.1.x onwards which |
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| 120 | always replicates FORM authenticaton notes.</p> |
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| 121 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_stateTransferTimeout"><td><code class="attributeName">stateTransferTimeout</code></td><td> |
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| 122 | The time in seconds to wait for a session state transfer to complete |
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| 123 | from another node when a node is starting up. |
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| 124 | Default value is <code>60</code> seconds. |
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| 125 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_sendAllSessions"><td><code class="attributeName">sendAllSessions</code></td><td> |
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| 126 | Flag whether send sessions as split blocks. |
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| 127 | If set to <code>true</code>, send all sessions as one big block. |
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| 128 | If set to <code>false</code>, send sessions as split blocks. |
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| 129 | Default value is <code>true</code>. |
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| 130 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_sendAllSessionsSize"><td><code class="attributeName">sendAllSessionsSize</code></td><td> |
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| 131 | The number of sessions in a session block message. This value is |
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| 132 | effective only when <code>sendAllSessions</code> is <code>false</code>. |
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| 133 | Default is <code>1000</code>. |
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| 134 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_sendAllSessionsWaitTime"><td><code class="attributeName">sendAllSessionsWaitTime</code></td><td> |
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| 135 | Wait time between sending of session block messages. This value is |
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| 136 | effective only when <code>sendAllSessions</code> is <code>false</code>. |
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| 137 | Default is <code>2000</code> milliseconds. |
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| 138 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_sessionAttributeNameFilter"><td><code class="attributeName">sessionAttributeNameFilter</code></td><td> |
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| 139 | <p>A regular expression used to filter which session attributes will be |
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| 140 | replicated. An attribute will only be replicated if its name matches |
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| 141 | this pattern. If the pattern is zero length or <code>null</code>, all |
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| 142 | attributes are eligible for replication. The pattern is anchored so the |
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| 143 | session attribute name must fully match the pattern. As an example, the |
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| 144 | value <code>(userName|sessionHistory)</code> will only replicate the |
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| 145 | two session attributes named <code>userName</code> and |
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| 146 | <code>sessionHistory</code>. If not specified, the default value of |
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| 147 | <code>null</code> will be used.</p> |
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| 148 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_sessionAttributeValueClassNameFilter"><td><code class="attributeName">sessionAttributeValueClassNameFilter</code></td><td> |
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| 149 | <p>A regular expression used to filter which session attributes will be |
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| 150 | replicated. An attribute will only be replicated if the implementation |
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| 151 | class name of the value matches this pattern. If the pattern is zero |
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| 152 | length or <code>null</code>, all attributes are eligible for |
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| 153 | replication. The pattern is anchored so the fully qualified class name |
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| 154 | must fully match the pattern. If not specified, the default value of |
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| 155 | <code>null</code> will be used unless a <code>SecurityManager</code> is |
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| 156 | enabled in which case the default will be |
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| 157 | <code>java\\.lang\\.(?:Boolean|Integer|Long|Number|String)</code>.</p> |
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| 158 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_stateTimestampDrop"><td><code class="attributeName">stateTimestampDrop</code></td><td> |
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| 159 | When this node sends a <code>GET_ALL_SESSIONS</code> message to other |
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| 160 | node, all session messages that are received as a response are queued. |
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| 161 | If this attribute is set to <code>true</code>, the received session |
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| 162 | messages (except any <code>GET_ALL_SESSIONS</code> sent by other nodes) |
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| 163 | are filtered by their timestamp. A message is dropped if it is not a |
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| 164 | <code>GET_ALL_SESSIONS</code> message and its timestamp is earlier than |
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| 165 | the timestamp of our <code>GET_ALL_SESSIONS</code> message. |
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| 166 | If set to <code>false</code>, all queued session messages are handled. |
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| 167 | Default is <code>true</code>. |
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| 168 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.DeltaManager Attributes_warnOnSessionAttributeFilterFailure"><td><code class="attributeName">warnOnSessionAttributeFilterFailure</code></td><td> |
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| 169 | <p>If <strong>sessionAttributeNameFilter</strong> or |
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| 170 | <strong>sessionAttributeValueClassNameFilter</strong> blocks an |
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| 171 | attribute, should this be logged at <code>WARN</code> level? If |
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| 172 | <code>WARN</code> level logging is disabled then it will be logged at |
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| 173 | <code>DEBUG</code>. The default value of this attribute is |
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| 174 | <code>false</code> unless a <code>SecurityManager</code> is enabled in |
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| 175 | which case the default will be <code>true</code>.</p> |
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| 176 | </td></tr></table> |
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| 177 | </div></div> |
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| 178 | <div class="subsection"><h4 id="org.apache.catalina.ha.session.BackupManager_Attributes">org.apache.catalina.ha.session.BackupManager Attributes</h4><div class="text"> |
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| 179 | <table class="defaultTable"><tr><th style="width: 15%;"> |
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| 180 | Attribute |
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| 181 | </th><th style="width: 85%;"> |
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| 182 | Description |
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| 183 | </th></tr><tr id="Attributes_org.apache.catalina.ha.session.BackupManager Attributes_mapSendOptions"><td><code class="attributeName">mapSendOptions</code></td><td> |
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| 184 | The backup manager uses a replicated map, this map is sending and |
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| 185 | receiving messages. You can setup the flag for how this map is sending |
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| 186 | messages, the default value is <code>6</code>(synchronous).<br> |
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| 187 | Note that if you use asynchronous messaging it is possible for update |
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| 188 | messages for a session to be processed by the receiving node in a |
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| 189 | different order to the order in which they were sent. |
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| 190 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.BackupManager Attributes_maxActiveSessions"><td><code class="attributeName">maxActiveSessions</code></td><td> |
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| 191 | The maximum number of active sessions that will be created by this |
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| 192 | Manager, or -1 (the default) for no limit. For this manager, only |
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| 193 | sessions where the current node is the primary node for the session are |
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| 194 | considered active sessions. |
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| 195 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.BackupManager Attributes_persistAuthenticationNotes"><td><code class="attributeName">persistAuthenticationNotes</code></td><td> |
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| 196 | <p>Should authentication notes (used during FORM authentication) be |
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| 197 | included when sessions are replicated? If <code>true</code>, the |
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| 198 | session's authentication notes (used during FORM authentication) are |
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| 199 | replicated so that an in progress FORM authentication can continue if |
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| 200 | failover occurs during FORM authentication. If not specified, the |
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| 201 | default value of <code>false</code> will be used.</p> |
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| 202 | |||
| 203 | <p>Please note that all nodes must be upgraded to at least 9.0.66 (the |
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| 204 | version where this feature was introduced) before this feature is |
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| 205 | enabled else session replication may fail.</p> |
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| 206 | |||
| 207 | <p>This attribute has been removed for Tomcat 10.1.x onwards which |
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| 208 | always replicates FORM authenticaton notes.</p> |
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| 209 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.BackupManager Attributes_rpcTimeout"><td><code class="attributeName">rpcTimeout</code></td><td> |
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| 210 | Timeout for RPC message used for broadcast and transfer state from |
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| 211 | another map. |
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| 212 | Default value is <code>15000</code> milliseconds. |
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| 213 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.BackupManager Attributes_sessionAttributeNameFilter"><td><code class="attributeName">sessionAttributeNameFilter</code></td><td> |
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| 214 | <p>A regular expression used to filter which session attributes will be |
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| 215 | replicated. An attribute will only be replicated if its name matches |
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| 216 | this pattern. If the pattern is zero length or <code>null</code>, all |
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| 217 | attributes are eligible for replication. The pattern is anchored so the |
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| 218 | session attribute name must fully match the pattern. As an example, the |
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| 219 | value <code>(userName|sessionHistory)</code> will only replicate the |
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| 220 | two session attributes named <code>userName</code> and |
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| 221 | <code>sessionHistory</code>. If not specified, the default value of |
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| 222 | <code>null</code> will be used.</p> |
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| 223 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.BackupManager Attributes_sessionAttributeValueClassNameFilter"><td><code class="attributeName">sessionAttributeValueClassNameFilter</code></td><td> |
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| 224 | <p>A regular expression used to filter which session attributes will be |
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| 225 | replicated. An attribute will only be replicated if the implementation |
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| 226 | class name of the value matches this pattern. If the pattern is zero |
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| 227 | length or <code>null</code>, all attributes are eligible for |
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| 228 | replication. The pattern is anchored so the fully qualified class name |
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| 229 | must fully match the pattern. If not specified, the default value of |
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| 230 | <code>null</code> will be used unless a <code>SecurityManager</code> is |
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| 231 | enabled in which case the default will be |
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| 232 | <code>java\\.lang\\.(?:Boolean|Integer|Long|Number|String)</code>.</p> |
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| 233 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.BackupManager Attributes_terminateOnStartFailure"><td><code class="attributeName">terminateOnStartFailure</code></td><td> |
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| 234 | Set to true if you wish to terminate replication map when replication |
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| 235 | map fails to start. If replication map is terminated, associated context |
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| 236 | will fail to start. If you set this attribute to false, replication map |
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| 237 | does not end. It will try to join the map membership in the heartbeat. |
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| 238 | Default value is <code>false</code> . |
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| 239 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.BackupManager Attributes_warnOnSessionAttributeFilterFailure"><td><code class="attributeName">warnOnSessionAttributeFilterFailure</code></td><td> |
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| 240 | <p>If <strong>sessionAttributeNameFilter</strong> or |
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| 241 | <strong>sessionAttributeValueClassNameFilter</strong> blocks an |
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| 242 | attribute, should this be logged at <code>WARN</code> level? If |
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| 243 | <code>WARN</code> level logging is disabled then it will be logged at |
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| 244 | <code>DEBUG</code>. The default value of this attribute is |
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| 245 | <code>false</code> unless a <code>SecurityManager</code> is enabled in |
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| 246 | which case the default will be <code>true</code>.</p> |
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| 247 | </td></tr><tr id="Attributes_org.apache.catalina.ha.session.BackupManager Attributes_accessTimeout"><td><code class="attributeName">accessTimeout</code></td><td> |
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| 248 | The timeout for a ping message. If a remote map does not respond within |
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| 249 | this timeout period, its regarded as disappeared. |
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| 250 | Default value is <code>5000</code> milliseconds. |
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| 251 | </td></tr></table> |
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| 252 | </div></div> |
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| 253 | </div><h3 id="Nested_Components">Nested Components</h3><div class="text"> |
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| 254 | <h3>All Manager Implementations</h3> |
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| 255 | <p>All Manager implementations allow nesting of a |
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| 256 | <strong><SessionIdGenerator></strong> element. It defines |
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| 257 | the behavior of session id generation. All implementations |
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| 258 | of the <a href="sessionidgenerator.html">SessionIdGenerator</a> allow the |
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| 259 | following attributes: |
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| 260 | </p> |
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| 261 | <table class="defaultTable"><tr><th style="width: 15%;"> |
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| 262 | Attribute |
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| 263 | </th><th style="width: 85%;"> |
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| 264 | Description |
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| 265 | </th></tr><tr id="_Nested Components_sessionIdLength"><td><code class="attributeName">sessionIdLength</code></td><td> |
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| 266 | <p>The length of the session ID may be changed with the |
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| 267 | <strong>sessionIdLength</strong> attribute. |
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| 268 | </p> |
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| 269 | </td></tr></table> |
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| 270 | </div></div></div></div></div><footer><div id="footer"> |
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| 271 | Copyright © 1999-2025, The Apache Software Foundation |
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| 272 | <br> |
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| 273 | Apache Tomcat, Tomcat, Apache, the Apache Tomcat logo and the Apache logo |
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| 274 | are either registered trademarks or trademarks of the Apache Software |
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| 275 | Foundation. |
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| 276 | </div></footer></div></body></html> |