Good morning,
I am pretty new to JSTL and Custom Tags and I have an issue which I cannot
solve.
I created several custom tags classes that extends TagSupport and everything
works fine.
In order to centralize some similar code I want to create an abstract class:
abstract public class BdCustomTag extends TagSupport
then I updated all my custom tags to be declared like this:
public class SetupVarsTag extends BdCustomTag {
public SetupVarsTag() {
super() ;
}
...
}
When I try to access any page with any of my custom tags I get the following
error and cannot understand why this new implmentation may not work.
(I use Java 5, a nightly build of taglib/standard)
javax.servlet.jsp.JspException
at org.apache.jasper.runtime.TagHandlerPool.get(TagHandlerPool.java:118)
at
org.apache.jsp.login.login_005fdev4_002dlocator_jsp._jspx_meth_page_setupVars_0(org.apache.jsp.login.login_005fdev4_002dlocator_jsp:1073)
at
org.apache.jsp.login.login_005fdev4_002dlocator_jsp._jspService(org.apache.jsp.login.login_005fdev4_002dlocator_jsp:755)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:319)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
at esp.ESPServlet.doGet(ESPServlet.java:274)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39)
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:153)
at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:307)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:385)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:748)
at
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:678)
at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:871)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
Thanks a lot for any help :)
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