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msangel commented on TILES-561: ------------------------------- So maybe you will provede some help how to enable JSP and EL support on servers that does not support it? I bealive it is in addind tomcat-jasper-el library and reconfiguring Tiles for working with it in some way. Am I correct? And the question is: how to reconfigure it actually? > 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 > Labels: maven > 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> -- This message was sent by Atlassian JIRA (v6.3.4#6332)