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From "Pirzada Rashid (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (TILES-561) java.lang.NullPointerException at org.apache.tiles.el.JspExpressionFactoryFactory.getExpressionFactory
Date Thu, 01 Nov 2012 05:43:32 GMT

     [ https://issues.apache.org/jira/browse/TILES-561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pirzada Rashid updated TILES-561:
---------------------------------

    Environment: win 7, IntelliJ latest, embeded tomcat7, struts2 2.3.4.1, tiles 2.2.2, maven
 (was: win 7, IntelliJ latest, embeded tomcat7, struts2 2.3.4.1, tiles 2.0.2, maven)
    
> java.lang.NullPointerException at org.apache.tiles.el.JspExpressionFactoryFactory.getExpressionFactory
> ------------------------------------------------------------------------------------------------------
>
>                 Key: TILES-561
>                 URL: https://issues.apache.org/jira/browse/TILES-561
>             Project: Tiles
>          Issue Type: Bug
>          Components: tiles-extras
>    Affects Versions: 2.2.2
>         Environment: win 7, IntelliJ latest, embeded tomcat7, struts2 2.3.4.1, tiles
2.2.2, maven
>            Reporter: Pirzada Rashid
>            Priority: Minor
>              Labels: patch
>         Attachments: Struts2_Tiles_JSP.rar
>
>
> Demo project is attached but problem is throughly discussed at http://stackoverflow.com/questions/13126201/struts2-tiles-org-apache-tiles-extras-complete-completeautoloadtileslistener-int
. Seems there is no solution to it because I have spent hrs struggling. 
> In Short:
> *web.xml*
> <listener>
>         <listener-class>org.apache.tiles.extras.complete.CompleteAutoloadTilesListener</listener-class>
>     </listener>
> *generating error*
> SEVERE: Exception sending context initialized event to listener instance of class org.apache.tiles.extras.complete.CompleteAutoloadTilesListener
> java.lang.NullPointerException
> 	at org.apache.tiles.el.JspExpressionFactoryFactory.getExpressionFactory(JspExpressionFactoryFactory.java:61)
> 	at org.apache.tiles.extras.complete.CompleteAutoloadTilesContainerFactory.createELEvaluator(CompleteAutoloadTilesContainerFactory.java:242)
> 	at org.apache.tiles.extras.complete.CompleteAutoloadTilesContainerFactory.createAttributeEvaluatorFactory(CompleteAutoloadTilesContainerFactory.java:182)
> 	at org.apache.tiles.factory.BasicTilesContainerFactory.createContainer(BasicTilesContainerFactory.java:88)
> *Conclusion*
> After alot of testing and checking, the problem is with embedded tomcat7 instance which
is not working with the above web.xml configuration and genertating error. Below is the *pom*
plugin that if run tomcat7:run will generate the error
>  <plugin>
>                 <groupId>org.apache.tomcat.maven</groupId>
>                 <artifactId>tomcat7-maven-plugin</artifactId>
>                 <version>2.0</version>
>                 <configuration>
>                     <port>8000</port>
>                 </configuration>
>             </plugin>

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