Web Application Migration from Tomcat 4.1 to Tomcat 6.0

[madhuri ponasanapalli]

Hello ,

I am having trouble migrating by web application from Tomcat 4.1 to Tomcat 6.0 . This application uses struts 1.3.8.

When I deploy the application in Tomcat 6.0 , I get the below error.

java.lang.AbstractMethodError: org.apache.jasper.runtime.PageContextImpl.include(Ljava/lang/String;Z)V
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:129)
	at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:152)
	at org.apache.struts.tiles.taglib.InsertTag.doInclude(InsertTag.java:764)
	at org.apache.struts.tiles.taglib.InsertTag$InsertHandler.doEndTag(InsertTag.java:896)
	at org.apache.struts.tiles.taglib.InsertTag.doEndTag(InsertTag.java:465)
	at tiles.thirdPartyLayout_jsp._jspx_meth_tiles_insert_0(thirdPartyLayout_jsp.java:525)
	at tiles.thirdPartyLayout_jsp._jspService(thirdPartyLayout_jsp.java:145)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:679)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:461)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:399)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
	at org.apache.struts.tiles.commands.TilesPreProcessor.doForward(TilesPreProcessor.java:260)
	at org.apache.struts.tiles.commands.TilesPreProcessor.execute(TilesPreProcessor.java:217)
	at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
	at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
	at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
	at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at com.intetech.servlets.AccessControlFilter.doFilter(AccessControlFilter.java:79)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:133)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at com.intetech.logging.LoggingFilter.doFilter(LoggingFilter.java:91)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)

If I include the servlet.jar from Tomcat 4.1 in the WEB-INF/lib the application works fine .
Except for the warning validateJarFile(C:\Apache\Tomcat 6.0\webapps\MyApplication\WEB-INF\lib\servlet.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class.

This happens on pages that use the Tiles Layout.

I dont want to use the servlet.jar from Tomcat 4.1 . I want to use the servlet-api.jar & jsp-api.jar from Tomcat 6.0 .

Can anyone please advise .
Thanks
Madhuri

[Tim Holloway]

Were you attempting to include the Tomcat 6 servlet jar in your webapp?

You shouldn't ever include servlet.jar. If you do, you may experience classpath errors, since the TOMCAT_HOME/lib servlet.jar is in the server's system classpath.

I guess the split between servet-api.jar and servlet-impl.jar must have occurred between Tomcat 4 and Tomcat 5. It's been long enough I don't remember. Web applications should be compiled with the servlet-api.jar in their compile classpath, though the actual jar itself should not be included in the WAR file, since the server's copy will be used at runtime.