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# Web Service --> Configuration --> Descriptor

Tasks Related Topics Attributes

## Overview

In the Web Services > Configuration > Descriptor tab, you can configure some of the elements and attributes of the Web application deployment descriptors (`web.xml` and `weblogic.xml`) that are associated with this Web service.

Note: A Web service is a special kind of Web Application. Web services are Web applications that have an additional deployment descriptor called `web-services.xml`. You install, configure, and deploy Web services the same as Web applications.

Additionally, using the links at the bottom of the tab, you can view in read-only mode the full deployment descriptor files associated with this Web service:

- `web.xml` (J2EE Web application deployment descriptor)
- `weblogic.xml` (Weblogic-specific Web application deployment descriptor)
- `web-services.xml` (WebLogic-specific Web services deployment descriptor)

## Tasks

Configuring and Deploying a New Web Service

Viewing Deployed Web Services

Undeploying Deployed Web Services

Deleting a Web Service

Viewing Web Service Deployment Descriptors

Configuring Web Service Reliable SOAP Messaging

## Related Topics

web.xml Deployment Descriptor Elements

weblogic.xml Deployment Descriptor Elements

WebLogic Web Service Deployment Descriptor Elements

Configuring Web Application Components

## Attributes

Table 407-1

Attribute Label | Description | Value Constraints
--- | --- | ---
Session Cookie Max Age Secs | The maximum age allowed for a session cookie. NEED MORE INFO. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `SessionCookieMaxAgeSecs` | Units: seconds
Session Invalidation Interval Secs | The amount of time (in seconds) that is allowed between sweeps for invalid sessions. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `SessionInvalidationIntervalSecs` | Units: seconds
Session Timeout Secs | The amount of time (in seconds) that a session can go unused before it is invalidated. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `SessionTimeoutSecs` | Units: seconds
Reload Period | The amount of time (in seconds) representing how often the target checks whether a servlet has been modified, and if so, reloads it. `-1` means never reload and `0` means always reload. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `ServletReloadCheckSecs` | Units: seconds
Single Threaded Servlet Pool Size | The size of the pool used for single threaded mode instance pools. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `SingleThreadedServletPoolSize` |
Index Directories | Specifies whether the target should automatically generate an HTML directory listing if no suitable index file is found. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `IndexDirectoryEnabled` |
Enable Session Monitoring | Specifies whether runtime MBeans will be created for sessions. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `SessionMonitoringEnabled` |
Compile Command | MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `JSPCompileCommand` |
Reload Period | The amount of time (in seconds) representing how often the target checks whether a servlet or JSP has been modified, and if so, reloads it. `-1` means never reload and `0` means always reload. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `JSPPageCheckSecs` | Units: seconds
Keep Generated Source Files | Specifies whether to keep the generated source files or delete them after compiling a JSP. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `JSPKeepGenerated` |
Verbose | Enables the JSP compiler's verbose output option. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `JSPVerbose` | Default: false
Enable JSP Line Numbers | Compiles JSPs with the Java compiler's debug option enabled. MBean: `weblogic.management. configuration. WebAppComponentMBean` Attribute: `JSPDebug` | Default: false