RE: Tomcat application won't start with MySQL Connection Pooling
Please note the following for the path attribute in the Tomcat 5.5 doc for Context: The value of this field must not be set except when statically defining a Context in server.xml, as it will be infered [sic] from the filenames used for either the .xml context file or the docBase. Also, examine the $CATALINA_HOME/conf/[enginename]/[hostname]/ directory (usually conf/Catalina/localhost/), and remove any .xml files that might have been automatically created previously for your application and restart Tomcat. Thanks for pointing this out. I have made the changes and still I have the problem of my application failing to start. However it looks like this is not a problem with Tomcat but instead a problem with Spring. My application is a Spring MVC application, and I am trying to get the MySQL DBCP DataSource via JNDI. It appears that this is where the problem lies, since I can remove this part of the Spring configuration and the application starts fine when Tomcat is started. Also I can run the test JSP and access the MySQL DBCP DataSource with no errors. So it seems that I have the correct MySQL DBCP configuration, just not the right Spring configuration for accessing it via JNDI. Thanks again for your help with this. --James __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Tomcat application won't start with MySQL Connection Pooling
I have tried adding connection pooling for a MySQL database in Tomcat 5.5 by following the steps described [URL=http://jakarta.apache.org/tomcat/tomcat-5.0-doc/jndi-datasource-examples-howto.html]here[/URL]. Now when I start Tomcat my application fails to load. The only message I can find in any of the logs is Aug 5, 2005 12:40:44 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Aug 5, 2005 12:40:44 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ioifocus] startup failed due to previous errors Where can I look for further information on what is causing the error? I'm pretty sure that I have followed the Tomcat Connection Pooling example faithfully (I added the commons libraries to Tomcat's lib directory, I modified my server.xml and web.xml as shown, etc.), and the XML I added to the server.xml appears to be valid. In any event I will include the XML which I added to Tomcat's server.xml just in case anyone can see a mistake (the following is included under the Host element which defines localhost): Context path=/ioifocus docBase=ioifocus debug=5 reloadable=true crossContext=true Logger className=org.apache.catalina.logger.FileLogger prefix=localhost_ioifocus_log. suffix=.txt timestamp=true/ Resource name=jdbc/MySqlDataSource auth=Container type=javax.sql.DataSource/ ResourceParams name=jdbc/MySqlDataSource parameter namefactory/name valueorg.apache.commons.dbcp.BasicDataSourceFactory/value /parameter !-- Maximum number of dB connections in pool. Make sure you configure your mysqld max_connections large enough to handle all of your db connections. Set to 0 for no limit. -- parameter namemaxActive/name value100/value /parameter !-- Maximum number of idle dB connections to retain in pool. Set to -1 for no limit. See also the DBCP documentation on this and the minEvictableIdleTimeMillis configuration parameter. -- parameter namemaxIdle/name value30/value /parameter !-- Maximum time to wait for a dB connection to become available in ms, in this example 10 seconds. An Exception is thrown if this timeout is exceeded. Set to -1 to wait indefinitely. -- parameter namemaxWait/name value1/value /parameter !-- MySQL username and password for database connections -- parameter nameusername/name valueadmin/value /parameter parameter namepassword/name valueadminpassword/value /parameter !-- Class name for the official MySQL Connector/J driver -- parameter namedriverClassName/name valuecom.mysql.jdbc.Driver/value /parameter !-- The JDBC connection url for connecting to the MySQL database -- parameter nameurl/name valuejdbc:mysql://localhost:3306/ioifocus/value /parameter !-- Insure that databse connections are removed and recycled if they become abandoned by a web application which doesn't close resources such as ResultSets, Statements, or Connections -- parameter nameremoveAbandoned/name valuetrue/value /parameter /ResourceParams /Context Thanks in advance for any help with this! --James __ Yahoo! Mail for Mobile Take Yahoo! Mail with you! Check email on your mobile phone. http://mobile.yahoo.com/learn/mail - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Tomcat application won't start with MySQL Connection Pooling
I'm curious: why are you using the documentation for an older level to configure the current version? Things have changed in this area (among others) between 5.0 and 5.5. You bring up a very good point, thanks for spotting that for me. I have now created a context.xml according to the example in the Tomcat 5.5 documentation and this time I've placed it my application's META-INF directory in the WAR (since it was pointed out to me that this approach is preferable to modifying the server.xml file). Unfortunately I still get the same errors as before, with no more information in the log files other than the cryptic SEVERE: Error listenerStart message. Below are the contents of my META-INF/context.xml file. Does anything look amiss now? Perhaps I need to enclose this Context entry with a Server, Service, or Host entry? --- META-INF/context.xml - Context path=/ioifocus docBase=ioifocus debug=5 reloadable=true crossContext=true Resource name=jdbc/MySqlDataSource auth=Container type=javax.sql.DataSource maxActive=100 maxIdle=30 maxWait=1 username=admin password=XXX driverClassName=com.mysql.jdbc.Driver url=jdbc:mysql://localhost:3306/ioifocus removeAbandoned=true / /Context Thanks in advance for any further help/insight... --James __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Log4j initialization problem
Hello, I have tried the ServletContextListener approach suggested below by Sriram (thanks !) and I am still having the same problem, i.e. I get the log file (specified in my log4j.properties file) created under whatever directory I am at when I issue the tomcat start command. It appears that the log file is being created and placed in the current working directory if I specify only the file name in the log4j.properties File entry. If I specify the full path, such as log4j.appender.A1.File=/var/tomcat/webapps/myapp/LogMessages.txt then it creates and places the file exactly where it the entry specifies. But I want to just specify the filename and have it created under the webapp's context directory, that way I won't have to remember to change the log4j.properties entry whenever the webapp is moved to another context directory or installed on another machine which might have a different webapps directory path. So is there a way to get the log file to be created and placed under its webapp's context directory ? Also would it be more appropriate to post this topic/thread to the log4j user group ([EMAIL PROTECTED]) ? Thanks in advance for any suggestions or clues. -James Hello, I don't have access to my computer right now, but here's roughly what I do to use log4J within my Servlet 2.3 API compliant webapps. 1. Create a properties file called log4j.properties 2. Place this in WEB-INF folder. 3. Write a ContextListener and in the contectInitialized method, access the servlet context. Make sure you place this Listener implementation along with your other classes and that you add an entry for it in web.xml 4. Ask the servlet context to get the following resource as a stream e.g. InputStream is = servletContext.getResourceAsStream(/WEB-INF/log4j.properties); 5. Create a properties file that'll initialize with this property file. Properties properties = new Properties(); properites.load(is); is.close(); 6. Now pass this newly initialized properties object to the PropertyConfigurator... That's it. Sriram -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
Log4j initialization problem
Hello,
I am having the problem of Tomcat initializing/creating my Log4j log
files in whatever directory that Tomcat is started from. In other words
if I am currently at directory /kung/foo when I issue the command
/etc/init.d/tomcat start, then my log files will be created under
/kung/foo instead of under the /path/to/webapp directory, which is where
I thought that they should be created.
I have the following WEB-INF/classes/log4j.properties file:
# Set root category priority to DEBUG and its only appender to A1.
log4j.rootCategory=DEBUG, A1
# A1 is set to be a RollingFileAppender.
log4j.appender.A1=org.apache.log4j.RollingFileAppender
log4j.appender.A1.File=LogMessages-trajview.txt
log4j.appender.A1.MaxFileSize=500KB
# Keep one backup file
log4j.appender.A1.MaxBackupIndex=2
# A1 uses PatternLayout.
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%5p %d (%F:%L) - %m%n
-
The log4j stuff is being initialized/configured by a servlet which has
the following init() method:
---
public void init()
{
// gets the base directory to use, from the web application's
context
String prefix = getServletContext().getRealPath(/);
// this looks in the web.xml for the initialization file
parameter
// which points to log4j.properties
String file = getInitParameter(log4j-init-file);
// if the log4j-init-file is not set, then no point in trying
if (file != null)
{
// apply the configuration specified in the initialization
file
PropertyConfigurator.configure(prefix + file);
}
}
--
The above mentioned Log4j initialization servlet is being called at
loadup time by virtue of the following entry in my web.xml:
-
servlet
servlet-namelog4j-init/servlet-name
servlet-classmyapp.servlet.Log4jInit/servlet-class
init-param
param-namelog4j-init-file/param-name
param-valueWEB-INF/classes/log4j.properties/param-value
/init-param
load-on-startup1/load-on-startup
/servlet
-
Because I have three separate webapps which should all have their own
log files I would like to have the log files created in the separate
webapp directories, or perhaps better yet in a logs subdirectory under
each webapp directory. For example if a webapp is under
/var/tomcat/webappps/myapp then I would like for the log file to be
created as /var/tomcat/webapps/myapp/LogMessages.txt or as
/var/tomcat/webapps/myapp/logs/LogMessages.txt. How can I get this to
happen ? Should I make a change to a log4j.properties entry, or perhaps
I'm making an error in my log4j initialization servlet's init() method
by referencing the wrong path in the getRealPath() call ?
Any suggestions will be appreciated. Thanks in advance.
-James
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Not finding class, mistakenly looking for null
Hello, I have a web application which is not finding a tag handler class, it is mistakenly looking for null. The classes for this tag handler is located in the WEB-INF/classes directory and is declared in web.xml. The web application works as advertised on another system which is running Tomcat version 4.0.1. This server is also at version 4.0.1 but obviously it still needs some configuration before things are as they should be. Some things to consider: * The front page of my application is a JSP which appears as it should. * The default Tomcat page, index.html doesn't appear when I try http://localhost:8080, I get a 404 Not Found message * When I go to a page which utilizes the custom tag I get the following exception messages: org.apache.jasper.compiler.CompileException: /var/tomcat4/webapps/dataview/Level2InteractiveSelect.jsp(48,8) Unable to load class null at org.apache.jasper.compiler.TagBeginGenerator.init(TagBeginGenerator.java) at org.apache.jasper.compiler.JspParseEventListener$GeneratorWrapper.init(JspParseEventListener.java) The tag library class is properly declared in web.xml and has a proper tld in WEB-INF/tlds, or at least I think it is proper since it is working on the other machine which is running version 4.0.1. Perhaps I have my jsp or tlib versions in the tld mixed up ? Here's the tld for the taghandler in question: -- ?xml version=1.0 encoding=ISO-8859-1 ? !DOCTYPE taglib PUBLIC -//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd; taglib tlib-version1.1/tlib-version jsp-version1.2/jsp-version short-nameerrorMessages/short-name uri/uri descriptionA tag library to display error messages/description tag namemessage/name tag-classdataview.taghandler.ErrorMessagesTagHandler/tag-class descriptionOutputs an error message corresponding to the key provided, if present/description attribute namekey/name requiredfalse/required /attribute /tag /taglib --- Can anyone suggest what to do or where to look in order to figure this out ? This is an upgrade from Tomcat 3.2.1, perhaps there are old files from the previous version which are wreaking havoc ? The system in question is running Red Hat 7.2 and when I enter the following command rpm -qa | grep tomcat I see both versions present. Perhaps I should remove the tomcat-3.2.1-1 RPM ? Thanks in advance for any suggestions. -James -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
Log messages
Is there a class I can use to write log messages to the Tomcat log files ? Can anyone explain how this is done ? Also I have looked a wee bit at java.util.logging - can this also be used, or is it a better solution ? Thanks for any suggestions. -James Adams -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
NoClassDefFoundError: sun/tools/javac/Main
I am trying to get Tomcat working on an SGI - IRIX machine. I can get the example Tomcat page (index.html) as well as the example servlets. However the example JSPs and my own JSPs are not being served and give errors, such as: 001-11-16 12:22:04 - Ctx() : Compiling: /dataview/DataCenterFrameset.jsp to dataview.DataCenterFrameset_0 2001-11-16 12:22:04 - Ctx() : Class not found: dataview.DataCenterFrameset_1 2001-11-16 12:22:04 - Ctx() : Status code:404 request:R( + /dataview/DataCenterFrameset.jsp + null) msg:null and when I try one of the example JSP I get: java.lang.NoClassDefFoundError: sun/tools/javac/Main at org.apache.jasper.compiler.SunJavaCompiler.compile(SunJavaCompiler.java:136, Compiled Code) at org.apache.tomcat.facade.JasperLiaison.javac(JspInterceptor.java:783, Compiled Code) at org.apache.tomcat.facade.JasperLiaison.processJspFile(JspInterceptor.java:633, Compiled Code) at org.apache.tomcat.facade.JspInterceptor.requestMap(JspInterceptor.java:446, Compiled Code) at org.apache.tomcat.core.ContextManager.processRequest(ContextManager.java:968, Compiled Code) at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:875, Compiled Code) at org.apache.tomcat.core.ContextManager.service(ContextManager.java:833, Compiled Code) at org.apache.tomcat.modules.server.Http10Interceptor.processConnection(Http10Interceptor.java:161, Compiled Code) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:477, Compiled Code) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:519, Compiled Code) at java.lang.Thread.run(Thread.java:484, Compiled Code) Can anybody suggest what I might look for in order to correct this situation ? I am using Tomcat 3.3 and SGI Irix 6.5. Thanks in advance for any suggestions. -James -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
Re: NoClassDefFoundError: sun/tools/javac/Main
I have heard that perhaps I need to make sure that tools.jar is in Tomcat's CLASSPATH. How can I determine the environment variables being used by Tomcat ? Where are these set ? I assume that there is a config file which is handling this... Thanks for suggestions, -James -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
Why am I getting a Javascript file request instead of my servlet ?
I have a page (JSP) which contains a form with a servlet as the action of the form. However whenever I submit the form I am getting a Not Found 404 error telling me that a Javascript file which is used for Javascript on the page is not found. I am perplexed as to why this is happening, especially since the Javascript is working as it should. I should instead be forwarded to the servlet which will handle the form parameters. Can anyone suggest ways to find out what is going wrong ? Thanks in advance for any suggestions... -James -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
Why am I getting a Javascript file instead of my servlet ?
I have a page (JSP) which contains a form with a servlet as the action of the form. However whenever I submit the form I am getting a Not Found 404 error telling me that a Javascript file which is used for Javascript on the page is not found. I am perplexed as to why this is happening, especially since the Javascript is working as it should. I should instead be forwarded to the servlet which will handle the form parameters. Can anyone suggest ways to find out what is going wrong ? Thanks in advance for any suggestions... -James -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
Re: Why am I getting a Javascript file request instead of my servlet ?
As a test I have set the action of the form equal to alert(1) as well as to a test JSP which prints the form parameters, both of these work well. However when the action is my form handler servlet that's when I get the bad voodoo - it tells me that it can't find the .js file when I submit, and it shows that it is looking for the file in the same directory as where the servlet would be located. Why it is looking for the .js file instead of the servlet which is the specified action of the form ? All other form actions I've tried seem to work OK, but my servlet has some Javascript monkey business happening with it that just shouldn't be happening, but why is not obvious. -James -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
Re: Why am I getting a Javascript file request instead of my servlet ?
[EMAIL PROTECTED] wrote: Subject: Why am I getting a Javascript file request instead of my servlet ? Date: Wed, 14 Nov 2001 12:11:49 -0700 From: James Adams [EMAIL PROTECTED] To: [EMAIL PROTECTED] I have a page (JSP) which contains a form with a servlet as the action of the form. However whenever I submit the form I am getting a Not Found 404 error telling me that a Javascript file which is used for Javascript on the page is not found. I am perplexed as to why this is happening, especially since the Javascript is working as it should. I should instead be forwarded to the servlet which will handle the form parameters. Can anyone suggest ways to find out what is going wrong ? Thanks in advance for any suggestions... -James It appears that this was a case of losing track of the context. I have fixed my problem by setting the location of the Javascript file using %=request.getContextPath()% and all is well now. Thanks Raj for your suggestion, this got me past today's obstacle. -James -- To unsubscribe: mailto:[EMAIL PROTECTED] For additional commands: mailto:[EMAIL PROTECTED] Troubles with the list: mailto:[EMAIL PROTECTED]
Re: Taglibs Jasper CompileException
It turns out that the unterminated description element which was causing the CompileException was actually in the web.xml file. Strange that I never get any errors or exceptions when web.xml is processed during a restart of Tomcat. -James
How to get an Applet to run in a JSP ?
I have an applet which runs fine when I include it in a HTML page, but whenever I try to include it in a JSP I get a pop-up message from my browser (Netscape 4.78) telling me that I need to download the Java plugin. I get the same behavior when testing with Internet Explorer. Obviously I already have the plugin or else I wouldn't be able to see the applet from the HTML page, or is this a mistaken assumption ? I am using Tomcat 3.2.1 and Apache 1.3.19. The HTML looks like this: !DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN html head titleData Selection/title meta http-equiv=Content-Type content=text/html; charset=iso-8859-1 /head body form name=main_form method=post action=mailto:[EMAIL PROTECTED]; bh3Select Lat/Lon Region:/h3/b table border=1 tr td applet CODE=LiveMap_30.class ARCHIVE=LiveMap_30.jar NAME=map MAYSCRIPT WIDTH=500 HEIGHT=160 param name=base_image value=gifs/java_0_world_20k.jpg param name=img_x_domain value=-180 180 param name=img_y_domain value=-90 90 param name=toolType value=XY param name=tool_x_range value=-180 180 param name=tool_y_range value=-90 90 /applet /td /tr /table input type=hidden name=min_lat value= input type=hidden name=max_lat value= input type=hidden name=min_lon value= input type=hidden name=max_lon value= p input type=submit name=Process Request value=Process Request /p /form /body /html -- The JSP looks like this: -- !DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN html head titleData Selection/title /head body form name=main_form method=post action=mailto:[EMAIL PROTECTED]; bh3Select Lat/Lon Region:/h3/b jsp:plugin type=applet code=/WEB-INF/classes/LiveMap_30.class archive=/WEB-INF/lib/LiveMap_30.jar name=map width=500 height=160 jsp:params jsp:param name=base_image value=/WEB-INF/images/java_0_world_20k.jpg/ jsp:param name=img_x_domain value=-180 180/ jsp:param name=img_y_domain value=-90 90/ jsp:param name=toolType value=XY/ jsp:param name=tool_x_range value=-180 180/ jsp:param name=tool_y_range value=-90 90/ jsp:param name=mayscript value=true/ /jsp:params /jsp:plugin input type=hidden name=minLat value= input type=hidden name=maxLat value= input type=hidden name=minLon value= input type=hidden name=maxLon value= br p input type=submit name=Process Request value=Process Request /p /form /body /html -- Is it possible that I have to include some entries in my $TOMCAT_HOME/WEB-INF/web.xml file so that Tomcat will know about the applet, something like applet applet-nameLiveMap/applet-name applet-class/WEB-INF/classes/LiveMap_30.class/applet-class /applet The code for this applet is at http://tmap.pmel.noaa.gov/~callahan/JAVA/map_v3.0/LiveMap_30.java Any ideas or suggestions will be very appreciated. -James
Taglibs Jasper CompileException
I am getting a weird exception message when I try to use a taglib. I hope somebody reading this forum can enlighten me. This is my first foray into using taglibs. I have a JSP which has the following lines of code in place to use my taglib: %@ taglib uri=/WEB-INF/errorMessages-taglib.tld prefix=errorMessages % errorMessages:message key=all / I have the taglib descriptor file under the web application's WEB-INF directory named errorMessages-taglib.tld and it looks like this: - ?xml version=1.0 encoding=ISO-8859-1 ? !DOCTYPE taglib PUBLIC -//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd; taglib tlibversion1.0/tlibversion jspversion1.1/jspversion shortnameerrorMessages/shortname urn/urn infoA tag library to display error messages/info tag namemessage/name tagclassdataview.taghandler.ErrorMessagesTagHandler/tagclass infoOutputs an error message corresponding to the key provided, if present/info bodycontentEMPTY/bodycontent attribute namekey/name requiredfalse/required /attribute /tag /taglib -- I have included a taglib entry in my web.xml which looks like: taglib taglib-urierrorMessages/taglib-uri taglib-location/WEB-INF/errorMessages-taglib.tld/taglib-location /taglib Unfortunately I am getting a Jasper compile exception when I attempt to load the page, telling me that it can't open the tld and that I need to terminate a description element, even though there is no description element in the tld (included above). Below is the exception I get: Internal Servlet Error: org.apache.jasper.compiler.CompileException: /var/tomcat/webapps/dataview/Select.jsp(8,4) Unable to open taglibrary /WEB-INF/errorMessages-taglib.tld : Parse Error in the tag library descriptor: Next character must be terminating element description. at org.apache.jasper.compiler.JspParseEventListener.handleDirective(JspParseEventListener.java) at org.apache.jasper.compiler.DelegatingListener.handleDirective(DelegatingListener.java) at org.apache.jasper.compiler.Parser$Directive.accept(Parser.java) at org.apache.jasper.compiler.Parser.parse(Parser.java) at org.apache.jasper.compiler.Parser.parse(Parser.java) at org.apache.jasper.compiler.Parser.parse(Parser.java) at org.apache.jasper.compiler.Compiler.compile(Compiler.java) at org.apache.jasper.servlet.JspServlet.doLoadJSP(JspServlet.java) at org.apache.jasper.servlet.JasperLoader12.loadJSP(JasperLoader12.java) .. Can anybody see what it is that I'm doing wrong ? I thought that I had followed the examples in the references I've looked at but obviously something's not working as advertised. However the exception message doesn't make any sense in the context (though this is unfortunately typical of most exception messages), and there is nothing which I can see which relates to my tag library descriptor, so I am thinking that perhaps this exception is happening someplace else. In any event I'm clueless as to how I might proceed, I've tried several different approaches (moving the tld to a different directory, using a different or no taglib in web.xml, etc.) but with no luck at all. Thanks in advance for any suggestions or solutions. -James
How to make a URL map to a servlet ?
I have a servlet which looks at the request, makes sure that there is a Session and the necessary beans included in the Session and then directs to a JSP page. I want to be able to enter a URL and get the servlet (which will direct me to the JSP). I have the JSP in $TOMCAT_HOME/webapps/myapp/Myapp.jsp and the servlet in $TOMCAT_HOME/webapps/myapp/WEB-INF/classes/Servlet. Can anyone tell me how I can set things up so that I can enter a URL and get the servlet to run ? I have tried using URL's such as http://myserver.my.domain:8080/myapp/Servlet and http://myserver.my.domain:8080/myapp/servlet/Servlet but these don't appear to work. I'm stumped. I'm running Tomcat version 3.2.1-1, the OS is Red Hat 7.0. Thanks in advance for any suggestions or insight. Please Cc: [EMAIL PROTECTED] if you can. -James
Re: How to make a URL map to a servlet ?
Thanks for the quick response Lester. I thought web.xml might be the key. I have actually already added some entries to web.xml in order to try to get this to work but I guess I'm not quite there yet. Here's what I have so far, perhaps somebody can tell me what I'm doing wrong: - ?xml version=1.0 encoding=ISO-8859-1? !DOCTYPE web-app PUBLIC -//Sun Microsystems, Inc.//DTD Web Application 2.3//EN http://java.sun.com/j2ee/dtds/web-app_2_3.dtd; web-app display-nameMOPITT Data Selection/display-name session-timeout30/session-timeout servlet servlet-nameServlet/servlet-name servlet-classServlet/servlet-class /servlet servlet servlet-nameSelectValidator/servlet-name servlet-classSelectValidator/servlet-class /servlet /web-app - Thanks, James Lester June Cabrera wrote: Hi James, Tomcat is bundled with a build utility. By editing /etc/web.xml in your development directory, you should be able to map your servlet class to your desired URL. Lester At 01:58 AM 9/26/01 -0600, you wrote: I have a servlet which looks at the request, makes sure that there is a Session and the necessary beans included in the Session and then directs to a JSP page. I want to be able to enter a URL and get the servlet (which will direct me to the JSP). I have the JSP in $TOMCAT_HOME/webapps/myapp/Myapp.jsp and the servlet in $TOMCAT_HOME/webapps/myapp/WEB-INF/classes/Servlet. Can anyone tell me how I can set things up so that I can enter a URL and get the servlet to run ? I have tried using URL's such as http://myserver.my.domain:8080/myapp/Servlet and http://myserver.my.domain:8080/myapp/servlet/Servlet but these don't appear to work. I'm stumped. I'm running Tomcat version 3.2.1-1, the OS is Red Hat 7.0. Thanks in advance for any suggestions or insight. Please Cc: [EMAIL PROTECTED] if you can. -James
Re: How to make a URL map to a servlet ?
One other thing, my web.xml file is located as $TOMCAT_HOME/webapps/myapp/WEB_INF/web.xml and not as /etc/web.xml - is this perhaps where I've gone wrong ? -James Lester June Cabrera wrote: Hi James, Tomcat is bundled with a build utility. By editing /etc/web.xml in your development directory, you should be able to map your servlet class to your desired URL. Lester At 01:58 AM 9/26/01 -0600, you wrote: I have a servlet which looks at the request, makes sure that there is a Session and the necessary beans included in the Session and then directs to a JSP page. I want to be able to enter a URL and get the servlet (which will direct me to the JSP). I have the JSP in $TOMCAT_HOME/webapps/myapp/Myapp.jsp and the servlet in $TOMCAT_HOME/webapps/myapp/WEB-INF/classes/Servlet. Can anyone tell me how I can set things up so that I can enter a URL and get the servlet to run ? I have tried using URL's such as http://myserver.my.domain:8080/myapp/Servlet and http://myserver.my.domain:8080/myapp/servlet/Servlet but these don't appear to work. I'm stumped. I'm running Tomcat version 3.2.1-1, the OS is Red Hat 7.0. Thanks in advance for any suggestions or insight. Please Cc: [EMAIL PROTECTED] if you can. -James
Re: How to make a URL map to a servlet ?
So if my machine is named server.ucar.edu, and my servlet's class file is located as $TOMCAT_HOME/webapps/myapp/WEB-INF/classes/servlet/Servlet.class then I should have an entry like the following in my web.xml: servlet-classserver.ucar.edu.myapp.sevlet.ServletClass/servlet- class I've tried the above approach but still no joy - maybe I'm still using the wrong URL. Any hints on what I should use as my URL ? Thanks for the help... -James Hi Well, you have to put the full path to the servlet in the servlet- class tag.. like servlet-classorg.whatever.whoever.ServletClass/servlet- class Hope this helps Red
Re: How to make a URL map to a servlet ?
Hi James Add the following to your web.xml which is located in the WEB-INF directory servlet servlet-namemyServlet/servlet-name display-namemyServlet/display-name descriptionThe description for my servlet/description servlet-class server.ucar.edu.myapp.sevlet.ServletClass /servlet-class /servlet servlet-mapping servlet-namemyServlet/servlet-name url-pattern/myurlmapping/url-pattern /servlet-mapping Now you should be able to access the servlet by http://domain/myurlmapping to quote the example above... Hope you get it working... Donie Well I've given the above a whirl and still no joy. I'll outline what I've done so far: My host name is host.acd.ucar.edu. I'm calling my application datacenter. My servlet is in a package called dataview.servlet. My servlet's class file: $TOMCAT_HOME/webapps/datacenter/WEB-INF/classes/dataview/servlet/Select.class I have the following web.xml: - ?xml version=1.0 encoding=ISO-8859-1? !DOCTYPE web-app PUBLIC -//Sun Microsystems, Inc.//DTD Web Application 2.3//EN http://java.sun.com/j2ee/dtds/web-app_2_3.dtd; web-app display-nameSimple Test of MOPITT Data Center/display-name session-timeout30/session-timeout servlet servlet-nameSelect/servlet-name display-nameSelect/display-name descriptionA servlet which validates/initializes the Session and forwards to the data/views selection form page/description servlet-classelbrus.acd.ucar.edu.datacenter.dataview.servlet.Select/servlet-class /servlet servlet-mapping servlet-nameSelect/servlet-name url-pattern/Select/url-pattern /servlet-mapping /web-app - I am using the following URLs, with the results listed: http://host.acd.ucar.edu:8080/datacenter/Select Not Found (404), not found request http://host.acd.ucar.edu/datacenter/Select Not Found (being sent from Apache Server) I have been able to get the Servlet to work with the following URL: http://host.acd.ucar.edu:8080/datacenter/servlet/dataview.servlet.Select but this isn't exactly what I had in mind. Any further help is greatly appreciated. -James
Re: Rep: Image Not Found
Vijaya you win the prize, having .. in front of the URL made all the
difference. Thanks so much !
-James
Vijaya Kumar wrote:
Well, If your image locates like below
/webapps
/your_Appln
/webinf
related class files
/images
place all the image files here
then try the url mapping using ../images/imagename. Hope it'll work,
b'cas
I'm usingurl(../images/bg1.jpg) in my stylesheet. Note I'm
using two
periods.
Here is some patches:
Insdide Servlet
pw.println(htmlheadLINK href='../style/mystyle.css'
rel=stylesheet type=text/css/head);
In Style Sheet
body
{
background: url(../images/bg1.jpg) fixed
}
a
{
text-decoration:none
}
Rgds
Vijay
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
James
Adams
Sent: Friday, September 07, 2001 12:49 AM
To: [EMAIL PROTECTED]
Subject: Image file not found - why not ?
I have a JSP which tries to load an image which is
referenced by a URI which is set in the request by a servlet.
img src=%= request.getAttribute(imageURL) %
alt=IMAGE NOT FOUND
Unfortunately this has never worked because Tomcat can never
find the image. Perhaps I am using a bad URI ? I have the
image located under my application's base directory in a
subdirectory
named images. The URIs I've tried are images/MyImage.jpg,
./images/MyImage.jpg and
/images/MyImage.jpg, all of which are not found when I
view the page.
Can anyone please tell me what I'm doing wrong ? Thanks in
advance for all suggestions, and email of the responses would be
appreciated if possible ([EMAIL PROTECTED]).
-James
Image file not found - why not ?
I have a JSP which tries to load an image which is referenced by a URI which is set in the request by a servlet. img src=%= request.getAttribute(imageURL) % alt=IMAGE NOT FOUND Unfortunately this has never worked because Tomcat can never find the image. Perhaps I am using a bad URI ? I have the image located under my application's base directory in a subdirectory named images. The URIs I've tried are images/MyImage.jpg, ./images/MyImage.jpg and /images/MyImage.jpg, all of which are not found when I view the page. Can anyone please tell me what I'm doing wrong ? Thanks in advance for all suggestions, and email of the responses would be appreciated if possible ([EMAIL PROTECTED]). -James
JSP page not found - any ideas why ?
Hello, I am attempting to set up my first web application using Tomcat. I have taken the following first steps but still no enchilada - the initial JSP isn't found when I try to access it (Not Found 404): - I have put a JSP in a directory named $TOMCAT_HOME/james1. The JSP is named Test1.jsp and I'm trying to access it via the URL http://localhost:8080/james1/Test1.jsp. - I have modified $TOMCAT_HOME/conf/server.xml with a context for the web application with the following entry: Context path=/james1 docBase=webapps/james1 crossContext=false debug=0 reloadable=true /Context - I have restarted Tomcat (not sure if that was necessary). The JSP uses a servlet whose class is available in $TOMCAT_HOME/james1/WEB-INF/classes, but I doubt that this is a problem since the page can't even be located. I am using Tomcat version 3.2.1 on a RedHat 7.0 machine. Any help or suggestions will be greatly appreciated ! Thanks in advance... -James
Re: JSP page not found - any ideas why ?
I made a mistake in the previous posting - the JSP is actually located in the directory $TOMCAT_HOME/webapps/james1, not $TOMCAT_HOME/james1 as I originally posted. Unfortunately it appears that my problem isn't as simple as the erroneous posting leads you to believe. :( Still stuck... -James James Adams wrote: Hello, I am attempting to set up my first web application using Tomcat. I have taken the following first steps but still no enchilada - the initial JSP isn't found when I try to access it (Not Found 404): - I have put a JSP in a directory named $TOMCAT_HOME/james1. The JSP is named Test1.jsp and I'm trying to access it via the URL http://localhost:8080/james1/Test1.jsp. - I have modified $TOMCAT_HOME/conf/server.xml with a context for the web application with the following entry: Context path=/james1 docBase=webapps/james1 crossContext=false debug=0 reloadable=true /Context - I have restarted Tomcat (not sure if that was necessary). The JSP uses a servlet whose class is available in $TOMCAT_HOME/james1/WEB-INF/classes, but I doubt that this is a problem since the page can't even be located. I am using Tomcat version 3.2.1 on a RedHat 7.0 machine. Any help or suggestions will be greatly appreciated ! Thanks in advance... -James
Re: JSP page not found - any ideas why ?
Thanks so much - the problem was due to my modification of server.xml. I've removed the modification and restarted Tomcat and now I can see my pages fine. -James Jeff Turner wrote: Have a read of: http://jakarta.apache.org/tomcat/tomcat-3.2-doc/appdev/index.html Specifically the bit where it says Copy unpacked directory hierarchy into a subdirectory in directory $TOMCAT_HOME/webapps/. Ie, if you want http://localhost:8080/james1/Test1.jsp to work, you need to put the JSP in $TOMCAT_HOME/webapps/james1/Test1.jsp, and restart Tocmat. You only need to modify if your webapp resides outside the $TOMCAT_HOME/webapps/ directory (it auto-deploys from there).
