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Changing Server Settings and Adding New Files Are Not Detected in Tomcat

I was trying to learn how to use servlet by following the tutorial in this page:
https://www.ntu.edu.sg/home/ehchua/programming/howto/Tomcat_HowTo.html
When I reached 2.6 STEP 5: Develop and Deploy a WebApp, I was told to restart tomcat so that it'll load the directory I just made. However, the changes I made was not loaded, the assigned port is still 8080 even though I assigned it to 9999 and the hello directory was not found. Here are the messages when I issued startup.bat:
Apr 26, 2019 5:32:04 PM org.apache.catalina.core.AprLifecycleListener init
INFO: Loaded APR based Apache Tomcat Native library 1.2.21 using APR version 1.6.5.
Apr 26, 2019 5:32:04 PM org.apache.catalina.core.AprLifecycleListener init
INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
Apr 26, 2019 5:32:04 PM org.apache.catalina.core.AprLifecycleListener initializeSSL
INFO: OpenSSL successfully initialized (OpenSSL 1.1.1a 20 Nov 2018)
Apr 26, 2019 5:32:04 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-apr-8080"]
Apr 26, 2019 5:32:04 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-apr-8009"]
Apr 26, 2019 5:32:04 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 494 ms
Apr 26, 2019 5:32:04 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Apr 26, 2019 5:32:04 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.47
Apr 26, 2019 5:32:04 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory G:\Tomcat 2\webapps\docs
Apr 26, 2019 5:32:05 PM org.apache.catalina.util.SessionIdGenerator createSecureRandom
INFO: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [146] milliseconds.
Apr 26, 2019 5:32:05 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory G:\Tomcat 2\webapps\examples
Apr 26, 2019 5:32:05 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory G:\Tomcat 2\webapps\host-manager
Apr 26, 2019 5:32:05 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory G:\Tomcat 2\webapps\manager
Apr 26, 2019 5:32:05 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory G:\Tomcat 2\webapps\ROOT
Apr 26, 2019 5:32:05 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-apr-8080"]
Apr 26, 2019 5:32:05 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-apr-8009"]
Apr 26, 2019 5:32:05 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 1092 ms
As you can see, the hello directory was not deployed. So, what is exactly happening here?

I just realized that when I issued the startup & shutdown command that there was an information in the console which looked like this:
Using CLASSPATH: "G:\Learning\tomcat9\bin\bootstrap.jar;G:\Learning\tomcat9\bin\tomcat-juli.jar"
It seemed that my classpath was pointing to the wrong path. I deleted CATALINA_HOME in the environment variable settings, and now it is working fine.

Tomcat7 doesn't initialize my spring configuration

I have a simple maven spring project, when I run the project on the tomcat server, I don't see tomcat load the configuration on the start up.
MySpringMvcDispatcherServletInitializer.java
package com.abc.xyz.config;
import
org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
public class MySpringMvcDispatcherServletInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
#Override
protected Class<?>[] getRootConfigClasses() {
// TODO Auto-generated method stub
return null;
}
#Override
protected Class<?>[] getServletConfigClasses() {
return new Class[] { DemoAppConfig.class };
}
#Override
protected String[] getServletMappings() {
return new String[] { "/" };
}
}
DemoAppConfig.java
package com.abc.xyz.config;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
#Configuration
#EnableWebMvc
#ComponentScan("com.abc.xyz")
public class DemoAppConfig implements WebMvcConfigurer {
}
DemoRestController.java
package com.abc.xyz.rest;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
#RestController
#RequestMapping("/test")
public class DemoRestController {
// add code for the "/hello" endpoint
#GetMapping("/hello")
public String sayHello() {
return "Hello World!";
}
}
tomcat7 startup log
Oct 24, 2018 4:15:45 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:spring-rest-demo' did not find a matching property.
Oct 24, 2018 4:15:45 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:SIT_Dashboard' did not find a matching property.
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version: Apache Tomcat/7.0.82
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server built: Sep 29 2017 12:23:15 UTC
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server number: 7.0.82.0
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Name: Windows 7
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Version: 6.1
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Architecture: amd64
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Java Home: C:\FAST\JDK64\LINKS\JDK8\jre
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Version: 1.8.0_144-b01
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Vendor: Oracle Corporation
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_BASE: C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_HOME: C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.base=C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.home=C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dwtp.deploy=C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\wtpwebapps
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.endorsed.dirs=C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\endorsed
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dfile.encoding=Cp1252
Oct 24, 2018 4:15:45 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\FAST\JDK64\LINKS\JDK8\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\FAST\JDK64\1.8.0.144\bin;C:\ProgramData\Oracle\Java\javapath;C:\oracle\product\11.2.0\client_64\BIN\;C:\Program Files\Micro Focus\Reflection\;C:\Program Files (x86)\Micro Focus\Reflection\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\1E\SMSNomad\;C:\Program Files\aim\aim-install\bin\;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\110\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\120\Tools\Binn\ManagementStudio\;C:\Program Files (x86)\Microsoft SQL Server\120\Tools\Binn\;C:\Program Files\Microsoft SQL Server\120\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\120\DTS\Binn\;C:\Program Files\Microsoft SQL Server\120\DTS\Binn\;C:\Program Files (x86)\Git\cmd;C:\FAST\nodejs\6.11.4\;C:\Program Files\TortoiseSVN\bin;C:\opt\gate\base91\..\perl\bin;C:\Users\R633368\AppData\Roaming\npm;C:\FAST\maven\3.5.0\apache-maven-3.5.0\bin;.
Oct 24, 2018 4:15:45 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Oct 24, 2018 4:15:45 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Oct 24, 2018 4:15:45 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 768 ms
Oct 24, 2018 4:15:45 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Oct 24, 2018 4:15:45 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.82
Oct 24, 2018 4:15:46 PM org.apache.catalina.util.SessionIdGeneratorBase createSecureRandom
WARNING: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [472] milliseconds.
Oct 24, 2018 4:15:47 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\docs
Oct 24, 2018 4:15:47 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\docs has finished in 101 ms
Oct 24, 2018 4:15:47 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\examples
Oct 24, 2018 4:15:47 PM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
Oct 24, 2018 4:15:47 PM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
Oct 24, 2018 4:15:47 PM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 'org.apache.jasper.compiler.TldLocationsCache#6d4352bf')
Oct 24, 2018 4:15:47 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\examples has finished in 499 ms
Oct 24, 2018 4:15:47 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\host-manager
Oct 24, 2018 4:15:47 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\host-manager has finished in 157 ms
Oct 24, 2018 4:15:47 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\manager
Oct 24, 2018 4:15:47 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\manager has finished in 82 ms
Oct 24, 2018 4:15:47 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\ROOT
Oct 24, 2018 4:15:48 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory C:\FAST\ApacheTomcat\7.0.82\apache-tomcat-7.0.82\webapps\ROOT has finished in 77 ms
Oct 24, 2018 4:15:48 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Oct 24, 2018 4:15:48 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Oct 24, 2018 4:15:48 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 2191 ms
As you can see, the start up doesn't show it read my spring configuration, please help, thanks in advance
tomcat web application manager
Updated: I have a temp fix, (wow,it takes me 2 days to make some progress since there is no ERRORs  at all in the project).
Here is the trick: Right click project => properties=> Deployment
Assembly=> add=> choose Java Build Path Entries=>choose Maven
Dependencies=> apply=> OK
You can see server log refresh and it finally loads spring
configuration, and if you check
tomcat home directory/wtpwebapps/{project name}/WEB-INF/lib, you can
see all the maven dependencies are copied to here
Up to this point, It looks like everything is fine now, but I find the
other issue, every time I right click=>maven=> update project...=> it
will try to remove the dependencies(jars) in tomcat home
directory/wtpwebapps/{project name}/WEB-INF/lib,
If your project is running at the tomcat , you will get a error
because these jars are being used.
But if you stop server, and update project and then run as server
again, everything is back to normal, no error, no spring configuration
in the server startup log, then you have to do the same trick again.
I tried so many online solutions about "maven project update will
remove jars in tomcat server", none of them are working. So if anyone
has the the fix, please shared

Web application failed to start

My application failed to start with a strange error. What does it mean?
янв 11, 2016 8:47:04 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:new_prog_22' did not find a matching property.
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version: Apache Tomcat/7.0.65
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server built: Oct 9 2015 08:36:58 UTC
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server number: 7.0.65.0
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Name: Windows XP
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Version: 5.1
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Architecture: x86
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Java Home: C:\Program Files\Java\jdk1.8.0_66\jre
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Version: 1.8.0_66-b18
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Vendor: Oracle Corporation
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_BASE: C:\spring_new_works\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_HOME: C:\apache-tomcat-7.0.65
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.base=C:\spring_new_works\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.home=C:\apache-tomcat-7.0.65
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dwtp.deploy=C:\spring_new_works\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.endorsed.dirs=C:\apache-tomcat-7.0.65\endorsed
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dfile.encoding=Cp1251
янв 11, 2016 8:47:04 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.8.0_66\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:/Program Files/Java/jdk1.8.0_66/jre/bin/client;C:/Program Files/Java/jdk1.8.0_66/jre/bin;C:/Program Files/Java/jdk1.8.0_66/jre/lib/i386;C:\apache-maven-3.3.9\bin;C:\Program Files\Java\jdk1.8.0_66\jre\bin;C:\Program Files\Java\jdk1.8.0_66\bin;C:\Program Files\Java\jdk1.7.0_51\bin;C:\Ruby193\bin;C:\Program Files\PC Connectivity Solution;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\system32\WindowsPowerShell\v1.0;C:\Git\cmd;C:\Program Files\Skype\Phone\;;C:\eclipse-jee-luna-SR2-win32\eclipse;;.
янв 11, 2016 8:47:04 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
янв 11, 2016 8:47:04 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
янв 11, 2016 8:47:04 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 623 ms
янв 11, 2016 8:47:04 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
янв 11, 2016 8:47:04 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.65
янв 11, 2016 8:47:06 PM org.apache.catalina.startup.TldConfig execute
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
янв 11, 2016 8:47:06 PM org.apache.catalina.core.ApplicationContext log
INFO: No Spring WebApplicationInitializer types detected on classpath
янв 11, 2016 8:47:06 PM org.apache.catalina.core.ApplicationContext log
INFO: Set web app root system property: 'webapp.root' = [C:\spring_new_works\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\new_prog_22\]
янв 11, 2016 8:47:06 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
20:47:06,375 INFO ContextLoader:285 - Root WebApplicationContext: initialization started
20:47:06,515 INFO AnnotationConfigWebApplicationContext:513 - Refreshing Root WebApplicationContext: startup date [Mon Jan 11 20:47:06 EET 2016]; root of context hierarchy
20:47:06,609 INFO AnnotationConfigWebApplicationContext:240 - No annotated classes found for specified class/package [control.SpringConfig]
20:47:06,687 INFO ContextLoader:325 - Root WebApplicationContext: initialization completed in 312 ms
янв 11, 2016 8:47:06 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter CacheControl
java.lang.ClassNotFoundException: filters.CacheControlFilter
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1854)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1703)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:506)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:488)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:115)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4841)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5535)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1574)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1564)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
янв 11, 2016 8:47:06 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter GzipFilter
java.lang.ClassNotFoundException: util.gzip.GZipServletFilter
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1854)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1703)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:506)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:488)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:115)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:105)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4841)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5535)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1574)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1564)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
янв 11, 2016 8:47:06 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: One or more Filters failed to start. Full details will be found in the appropriate container log file
янв 11, 2016 8:47:06 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/new_prog_22] startup failed due to previous errors
янв 11, 2016 8:47:06 PM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
20:47:06,703 INFO AnnotationConfigWebApplicationContext:873 - Closing Root WebApplicationContext: startup date [Mon Jan 11 20:47:06 EET 2016]; root of context hierarchy
янв 11, 2016 8:47:06 PM org.apache.catalina.core.ApplicationContext log
INFO: Shutting down log4j
янв 11, 2016 8:47:06 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
янв 11, 2016 8:47:06 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
янв 11, 2016 8:47:06 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 1882 ms
Note the WARNING message in the beggining of the logs. The application really names new_prog_22 and the same name is in pom.xml. Also the filter classes are present. How to fix it?

Tomcat starts but shows blank on browser

I have configured a tomcat application.
This is my server.xml.
When I start the tomcat it gives :
Dec 08, 2015 1:50:40 PM org.apache.catalina.startup.SetAllPropertiesRule begin
WARNING: [SetAllPropertiesRule]{Server/Service/Connector} Setting property 'maxSpareThreads' to '50' did not find a matching property.
Dec 08, 2015 1:50:40 PM org.apache.catalina.startup.SetAllPropertiesRule begin
WARNING: [SetAllPropertiesRule]{Server/Service/Connector} Setting property 'maxSpareThreads' to '50' did not find a matching property.
Dec 08, 2015 1:50:40 PM org.apache.tomcat.util.digester.Digester endElement
WARNING: No rules found matching 'Server/Service/Realm'.
Dec 08, 2015 1:50:40 PM org.apache.tomcat.util.digester.Digester endElement
WARNING: No rules found matching 'Server/Service/Host'.
Dec 08, 2015 1:50:40 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-nio-8491"]
Dec 08, 2015 1:50:40 PM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
INFO: Using a shared selector for servlet write/read
Dec 08, 2015 1:50:40 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-nio-8492"]
Dec 08, 2015 1:50:40 PM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
INFO: Using a shared selector for servlet write/read
Dec 08, 2015 1:50:40 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1482 ms
Dec 08, 2015 1:50:41 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Nightfire-webapps
Dec 08, 2015 1:50:41 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/8.0.24
Dec 08, 2015 1:50:41 PM org.apache.catalina.mapper.MapperListener findDefaultHost
WARNING: Unknown default host [localhost] for service [StandardService[Nightfire-webapps]]
Dec 08, 2015 1:50:41 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-nio-8491"]
Dec 08, 2015 1:50:41 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-nio-8492"]
Dec 08, 2015 1:50:41 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 173 ms
But The browser shows blank page

java.lang.ClassNotFoundException in Dynamic Web app JSP

I am trying retrieve data from SQLLite DB in a Java Class.
This is the part of the web app that uses the Beans and Form processing" as per the tutorial here:
http://www.jsptut.com/forms.jsp
I am getting a persistent error of java.lang.ClassNotFoundException: org.sqlite.JDBC
I have added sqlite-jdbc-3.8.7.jar to the java classpath
This is my code:
public int startConnection() {
Connection c = null;
try {
Class.forName("org.sqlite.JDBC");
c = DriverManager.getConnection("jdbc:sqlite:test.db");
} catch ( Exception e ) {
System.err.println( e.getClass().getName() + ": " + e.getMessage() );
System.exit(0);
return CONNECTION_FAILURE;
}
System.out.println("Opened database successfully");
return CONNECTION_SUCCESSFUL;
}
This is the console output:
Jan 03, 2015 2:42:15 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:webapp01' did not find a matching property.
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version: Apache Tomcat/7.0.57
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server built: Nov 3 2014 08:39:16 UTC
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server number: 7.0.57.0
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Name: Mac OS X
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Version: 10.10
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Architecture: x86_64
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JAVA_HOME: /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/jre
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Version: 1.8.0_25-b17
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Vendor: Oracle Corporation
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_BASE: /Users/hadi/Documents/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_HOME: /Users/hadi/Documents/apache-tomcat-7.0.57
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.base=/Users/hadi/Documents/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.home=/Users/hadi/Documents/apache-tomcat-7.0.57
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dwtp.deploy=/Users/hadi/Documents/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.endorsed.dirs=/Users/hadi/Documents/apache-tomcat-7.0.57/endorsed
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dfile.encoding=UTF-8
Jan 03, 2015 2:42:15 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /Users/hadi/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
Jan 03, 2015 2:42:15 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Jan 03, 2015 2:42:15 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Jan 03, 2015 2:42:15 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1296 ms
Jan 03, 2015 2:42:15 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Jan 03, 2015 2:42:15 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.57
Jan 03, 2015 2:42:16 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Jan 03, 2015 2:42:16 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Jan 03, 2015 2:42:16 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 913 ms
java.lang.ClassNotFoundException: org.sqlite.JDBC
Jan 03, 2015 2:42:32 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["http-bio-8080"]
Please anyone solve this problem......Thanks....

Add the sqlite-jdbc-3.8.7.jar to the tomcat class-path by moving it to $CATALINA_HOME/lib.
See the Apache Tomcat 7 - Class Loader Howto for an in-depth look at how the Tomcat class loader works. It reads, in part,
System — This class loader is normally initialized from the contents of the CLASSPATH environment variable. All such classes are visible to both Tomcat internal classes, and to web applications. However, the standard Tomcat startup scripts ($CATALINA_HOME/bin/catalina.sh or %CATALINA_HOME%\bin\catalina.bat) totally ignore the contents of the CLASSPATH environment variable itself, and instead build the System class loader from ...