May 26, 2025 8:34:34 PM 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: 21 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
18:
19: Request Information
20:
21: JSP Request Method: <%= util.HTMLFilter.filter(request.getMethod()) %>
22:
23: Request URI: <%= util.HTMLFilter.filter(request.getRequestURI()) %>
24:
An error occurred at line: 23 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
20:
21: JSP Request Method: <%= util.HTMLFilter.filter(request.getMethod()) %>
22:
23: Request URI: <%= util.HTMLFilter.filter(request.getRequestURI()) %>
24:
25: Request Protocol: <%= util.HTMLFilter.filter(request.getProtocol()) %>
26:
An error occurred at line: 25 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
22:
23: Request URI: <%= util.HTMLFilter.filter(request.getRequestURI()) %>
24:
25: Request Protocol: <%= util.HTMLFilter.filter(request.getProtocol()) %>
26:
27: Servlet path: <%= util.HTMLFilter.filter(request.getServletPath()) %>
28:
An error occurred at line: 27 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
24:
25: Request Protocol: <%= util.HTMLFilter.filter(request.getProtocol()) %>
26:
27: Servlet path: <%= util.HTMLFilter.filter(request.getServletPath()) %>
28:
29: Path info: <%= util.HTMLFilter.filter(request.getPathInfo()) %>
30:
An error occurred at line: 29 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
26:
27: Servlet path: <%= util.HTMLFilter.filter(request.getServletPath()) %>
28:
29: Path info: <%= util.HTMLFilter.filter(request.getPathInfo()) %>
30:
31: Query string: <%= util.HTMLFilter.filter(request.getQueryString()) %>
32:
An error occurred at line: 31 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
28:
29: Path info: <%= util.HTMLFilter.filter(request.getPathInfo()) %>
30:
31: Query string: <%= util.HTMLFilter.filter(request.getQueryString()) %>
32:
33: Content length: <%= request.getContentLength() %>
34:
An error occurred at line: 35 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
32:
33: Content length: <%= request.getContentLength() %>
34:
35: Content type: <%= util.HTMLFilter.filter(request.getContentType()) %>
36:
37: Server name: <%= util.HTMLFilter.filter(request.getServerName()) %>
38:
An error occurred at line: 37 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
34:
35: Content type: <%= util.HTMLFilter.filter(request.getContentType()) %>
36:
37: Server name: <%= util.HTMLFilter.filter(request.getServerName()) %>
38:
39: Server port: <%= request.getServerPort() %>
40:
An error occurred at line: 41 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
38:
39: Server port: <%= request.getServerPort() %>
40:
41: Remote user: <%= util.HTMLFilter.filter(request.getRemoteUser()) %>
42:
43: Remote address: <%= util.HTMLFilter.filter(request.getRemoteAddr()) %>
44:
An error occurred at line: 43 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
40:
41: Remote user: <%= util.HTMLFilter.filter(request.getRemoteUser()) %>
42:
43: Remote address: <%= util.HTMLFilter.filter(request.getRemoteAddr()) %>
44:
45: Remote host: <%= util.HTMLFilter.filter(request.getRemoteHost()) %>
46:
An error occurred at line: 45 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
42:
43: Remote address: <%= util.HTMLFilter.filter(request.getRemoteAddr()) %>
44:
45: Remote host: <%= util.HTMLFilter.filter(request.getRemoteHost()) %>
46:
47: Authorization scheme: <%= util.HTMLFilter.filter(request.getAuthType()) %>
48:
An error occurred at line: 47 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
44:
45: Remote host: <%= util.HTMLFilter.filter(request.getRemoteHost()) %>
46:
47: Authorization scheme: <%= util.HTMLFilter.filter(request.getAuthType()) %>
48:
49: Locale: <%= request.getLocale() %>
50:
An error occurred at line: 52 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
49: Locale: <%= request.getLocale() %>
50:
51: The browser you are using is
52: <%= util.HTMLFilter.filter(request.getHeader("User-Agent")) %>
53:
54:
55:
Stacktrace:] with root cause
org.apache.jasper.JasperException: Unable to compile class for JSP:
An error occurred at line: 21 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
18:
19: Request Information
20:
21: JSP Request Method: <%= util.HTMLFilter.filter(request.getMethod()) %>
22:
23: Request URI: <%= util.HTMLFilter.filter(request.getRequestURI()) %>
24:
An error occurred at line: 23 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
20:
21: JSP Request Method: <%= util.HTMLFilter.filter(request.getMethod()) %>
22:
23: Request URI: <%= util.HTMLFilter.filter(request.getRequestURI()) %>
24:
25: Request Protocol: <%= util.HTMLFilter.filter(request.getProtocol()) %>
26:
An error occurred at line: 25 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
22:
23: Request URI: <%= util.HTMLFilter.filter(request.getRequestURI()) %>
24:
25: Request Protocol: <%= util.HTMLFilter.filter(request.getProtocol()) %>
26:
27: Servlet path: <%= util.HTMLFilter.filter(request.getServletPath()) %>
28:
An error occurred at line: 27 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
24:
25: Request Protocol: <%= util.HTMLFilter.filter(request.getProtocol()) %>
26:
27: Servlet path: <%= util.HTMLFilter.filter(request.getServletPath()) %>
28:
29: Path info: <%= util.HTMLFilter.filter(request.getPathInfo()) %>
30:
An error occurred at line: 29 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
26:
27: Servlet path: <%= util.HTMLFilter.filter(request.getServletPath()) %>
28:
29: Path info: <%= util.HTMLFilter.filter(request.getPathInfo()) %>
30:
31: Query string: <%= util.HTMLFilter.filter(request.getQueryString()) %>
32:
An error occurred at line: 31 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
28:
29: Path info: <%= util.HTMLFilter.filter(request.getPathInfo()) %>
30:
31: Query string: <%= util.HTMLFilter.filter(request.getQueryString()) %>
32:
33: Content length: <%= request.getContentLength() %>
34:
An error occurred at line: 35 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
32:
33: Content length: <%= request.getContentLength() %>
34:
35: Content type: <%= util.HTMLFilter.filter(request.getContentType()) %>
36:
37: Server name: <%= util.HTMLFilter.filter(request.getServerName()) %>
38:
An error occurred at line: 37 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
34:
35: Content type: <%= util.HTMLFilter.filter(request.getContentType()) %>
36:
37: Server name: <%= util.HTMLFilter.filter(request.getServerName()) %>
38:
39: Server port: <%= request.getServerPort() %>
40:
An error occurred at line: 41 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
38:
39: Server port: <%= request.getServerPort() %>
40:
41: Remote user: <%= util.HTMLFilter.filter(request.getRemoteUser()) %>
42:
43: Remote address: <%= util.HTMLFilter.filter(request.getRemoteAddr()) %>
44:
An error occurred at line: 43 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
40:
41: Remote user: <%= util.HTMLFilter.filter(request.getRemoteUser()) %>
42:
43: Remote address: <%= util.HTMLFilter.filter(request.getRemoteAddr()) %>
44:
45: Remote host: <%= util.HTMLFilter.filter(request.getRemoteHost()) %>
46:
An error occurred at line: 45 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
42:
43: Remote address: <%= util.HTMLFilter.filter(request.getRemoteAddr()) %>
44:
45: Remote host: <%= util.HTMLFilter.filter(request.getRemoteHost()) %>
46:
47: Authorization scheme: <%= util.HTMLFilter.filter(request.getAuthType()) %>
48:
An error occurred at line: 47 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
44:
45: Remote host: <%= util.HTMLFilter.filter(request.getRemoteHost()) %>
46:
47: Authorization scheme: <%= util.HTMLFilter.filter(request.getAuthType()) %>
48:
49: Locale: <%= request.getLocale() %>
50:
An error occurred at line: 52 in the jsp file: /webapps/examples/jsp/snp/snoop.jsp
util.HTMLFilter cannot be resolved to a type
49: Locale: <%= request.getLocale() %>
50:
51: The browser you are using is
52: <%= util.HTMLFilter.filter(request.getHeader("User-Agent")) %>
53:
54:
55:
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 26, 2025 11:09:08 PM 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)