May 25, 2025 12:48:27 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [/webapps/examples/jsp/jsp2/tagfiles/panel.jsp (line: 34, column: 10) No tag "panel" defined in tag library imported with prefix "tags"] with root cause
org.apache.jasper.JasperException: /webapps/examples/jsp/jsp2/tagfiles/panel.jsp (line: 34, column: 10) No tag "panel" defined in tag library imported with prefix "tags"
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:199)
	at org.apache.jasper.compiler.Parser.parseCustomTag(Parser.java:1208)
	at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1446)
	at org.apache.jasper.compiler.Parser.parse(Parser.java:138)
	at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
	at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

May 25, 2025 12:59:36 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [/webapps/examples/jsp/dates/date.jsp (line: 22, column: 0) The value for the useBean class attribute dates.JspCalendar is invalid.] with root cause
org.apache.jasper.JasperException: /webapps/examples/jsp/dates/date.jsp (line: 22, column: 0) The value for the useBean class attribute dates.JspCalendar is invalid.
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:149)
	at org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1305)
	at org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1196)
	at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)
	at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2444)
	at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2450)
	at org.apache.jasper.compiler.Node$Root.accept(Node.java:474)
	at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)
	at org.apache.jasper.compiler.Generator.generate(Generator.java:3591)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:251)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

May 25, 2025 1:46:55 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [Unable to compile class for JSP: 

An error occurred at line: 31 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
28: <body bgcolor="white">
29: 
30: You are logged in as remote user
31: <b><%= util.HTMLFilter.filter(request.getRemoteUser()) %></b>
32: in session <b><%= session.getId() %></b><br><br>
33: 
34: <%


An error occurred at line: 38 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
35:   if (request.getUserPrincipal() != null) {
36: %>
37:     Your user principal name is
38:     <b><%= util.HTMLFilter.filter(request.getUserPrincipal().getName()) %></b>
39:     <br><br>
40: <%
41:   } else {


An error occurred at line: 56 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
53:     if (request.isUserInRole(role)) {
54: %>
55:       You have been granted role
56:       <b><%= util.HTMLFilter.filter(role) %></b><br><br>
57: <%
58:     } else {
59: %>


An error occurred at line: 61 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
58:     } else {
59: %>
60:       You have <i>not</i> been granted role
61:       <b><%= util.HTMLFilter.filter(role) %></b><br><br>
62: <%
63:     }
64:   }


An error occurred at line: 70 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
67: To check whether your username has been granted a particular role,
68: enter it here:
69: <form method="GET" action='<%= response.encodeURL("index.jsp") %>'>
70: <input type="text" name="role" value="<%= util.HTMLFilter.filter(role) %>">
71: </form>
72: <br><br>
73: 


Stacktrace:] with root cause
org.apache.jasper.JasperException: Unable to compile class for JSP: 

An error occurred at line: 31 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
28: <body bgcolor="white">
29: 
30: You are logged in as remote user
31: <b><%= util.HTMLFilter.filter(request.getRemoteUser()) %></b>
32: in session <b><%= session.getId() %></b><br><br>
33: 
34: <%


An error occurred at line: 38 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
35:   if (request.getUserPrincipal() != null) {
36: %>
37:     Your user principal name is
38:     <b><%= util.HTMLFilter.filter(request.getUserPrincipal().getName()) %></b>
39:     <br><br>
40: <%
41:   } else {


An error occurred at line: 56 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
53:     if (request.isUserInRole(role)) {
54: %>
55:       You have been granted role
56:       <b><%= util.HTMLFilter.filter(role) %></b><br><br>
57: <%
58:     } else {
59: %>


An error occurred at line: 61 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
58:     } else {
59: %>
60:       You have <i>not</i> been granted role
61:       <b><%= util.HTMLFilter.filter(role) %></b><br><br>
62: <%
63:     }
64:   }


An error occurred at line: 70 in the jsp file: /webapps/examples/jsp/security/protected/index.jsp
util.HTMLFilter cannot be resolved to a type
67: To check whether your username has been granted a particular role,
68: enter it here:
69: <form method="GET" action='<%= response.encodeURL("index.jsp") %>'>
70: <input type="text" name="role" value="<%= util.HTMLFilter.filter(role) %>">
71: </form>
72: <br><br>
73: 


Stacktrace:
	at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:103)
	at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:366)
	at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:536)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:379)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

May 25, 2025 2:31:12 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [The absolute uri: http://java.sun.com/jsp/jstl/functions cannot be resolved in either web.xml or the jar files deployed with this application] with root cause
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/functions cannot be resolved in either web.xml or the jar files deployed with this application
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:56)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:445)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:117)
	at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:325)
	at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:154)
	at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:419)
	at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:484)
	at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1421)
	at org.apache.jasper.compiler.Parser.parse(Parser.java:138)
	at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
	at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

May 25, 2025 3:37:12 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [/webapps/examples/jsp/jsp2/tagfiles/products.jsp (line: 32, column: 4) No tag "displayProducts" defined in tag library imported with prefix "tags"] with root cause
org.apache.jasper.JasperException: /webapps/examples/jsp/jsp2/tagfiles/products.jsp (line: 32, column: 4) No tag "displayProducts" defined in tag library imported with prefix "tags"
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:199)
	at org.apache.jasper.compiler.Parser.parseCustomTag(Parser.java:1208)
	at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1446)
	at org.apache.jasper.compiler.Parser.parse(Parser.java:138)
	at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
	at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

May 25, 2025 8:44:42 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [java.lang.NullPointerException] with root cause
java.lang.NullPointerException
	at org.apache.jsp.webapps.manager.WEB_002dINF.jsp.sessionsList_jsp._jspService(sessionsList_jsp.java:162)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:472)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

May 25, 2025 9:05:08 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [/webapps/examples/jsp/jsp2/tagfiles/panel.jsp (line: 34, column: 10) No tag "panel" defined in tag library imported with prefix "tags"] with root cause
org.apache.jasper.JasperException: /webapps/examples/jsp/jsp2/tagfiles/panel.jsp (line: 34, column: 10) No tag "panel" defined in tag library imported with prefix "tags"
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:199)
	at org.apache.jasper.compiler.Parser.parseCustomTag(Parser.java:1208)
	at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1446)
	at org.apache.jasper.compiler.Parser.parse(Parser.java:138)
	at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
	at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

May 25, 2025 10:55:56 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [/webapps/examples/jsp/dates/date.jsp (line: 22, column: 0) The value for the useBean class attribute dates.JspCalendar is invalid.] with root cause
org.apache.jasper.JasperException: /webapps/examples/jsp/dates/date.jsp (line: 22, column: 0) The value for the useBean class attribute dates.JspCalendar is invalid.
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:149)
	at org.apache.jasper.compiler.Generator$GenerateVisitor.visit(Generator.java:1305)
	at org.apache.jasper.compiler.Node$UseBean.accept(Node.java:1196)
	at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)
	at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2444)
	at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2450)
	at org.apache.jasper.compiler.Node$Root.accept(Node.java:474)
	at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2392)
	at org.apache.jasper.compiler.Generator.generate(Generator.java:3591)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:251)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

May 25, 2025 12:08:27 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [The absolute uri: http://tomcat.apache.org/jsp2-example-taglib cannot be resolved in either web.xml or the jar files deployed with this application] with root cause
org.apache.jasper.JasperException: The absolute uri: http://tomcat.apache.org/jsp2-example-taglib cannot be resolved in either web.xml or the jar files deployed with this application
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:56)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:445)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:117)
	at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:325)
	at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:154)
	at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:419)
	at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:484)
	at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1421)
	at org.apache.jasper.compiler.Parser.parse(Parser.java:138)
	at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
	at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

May 25, 2025 3:37:59 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [The absolute uri: http://tomcat.apache.org/jsp2-example-taglib cannot be resolved in either web.xml or the jar files deployed with this application] with root cause
org.apache.jasper.JasperException: The absolute uri: http://tomcat.apache.org/jsp2-example-taglib cannot be resolved in either web.xml or the jar files deployed with this application
	at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:56)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:445)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:117)
	at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:325)
	at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:154)
	at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:419)
	at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:484)
	at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1421)
	at org.apache.jasper.compiler.Parser.parse(Parser.java:138)
	at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
	at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:660)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:317)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)