The error-page Element"
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| − | It specifies an error page used when an un-caught exception is thrown in updating a ZUML page (e.g., in an event listener). Each page is associated with an exception type, aka, a class deriving from <tt>java.lang.Throwable</tt>. You can specify multiple error pages, each with a different exception type. When an error occurs, ZK searches the proper error page by examing the exception type one-by-one. If none is found, it | + | It specifies an error page used when an un-caught exception is thrown in updating a ZUML page (e.g., in an event listener). Each page is associated with an exception type, aka, a class deriving from <tt>java.lang.Throwable</tt>. You can specify multiple error pages, each with a different exception type. When an error occurs, ZK searches the proper error page by examing the exception type one-by-one. If none is found, it will show an alert message at the client by default. |
The <tt>device-type</tt> element is optional. If omitted, <tt>ajax</tt> is assumed. | The <tt>device-type</tt> element is optional. If omitted, <tt>ajax</tt> is assumed. | ||
Revision as of 06:23, 5 August 2011
Syntax:
<error-page>
<device-type>a_device_type|ajax</device-type>
<exception-type>a_class_name</exception-type>
<location>a_uri</location>
</error-page>
It specifies an error page used when an un-caught exception is thrown in updating a ZUML page (e.g., in an event listener). Each page is associated with an exception type, aka, a class deriving from java.lang.Throwable. You can specify multiple error pages, each with a different exception type. When an error occurs, ZK searches the proper error page by examing the exception type one-by-one. If none is found, it will show an alert message at the client by default.
The device-type element is optional. If omitted, ajax is assumed.
For example,
<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/WEB-INF/sys/error.zul</location>
</error-page>
For more information, please refer to ZK Developer's Reference: Error Handling.
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