Tomcat can't see beans.

[libaax]

Tomcat needs coffee. It cant see beans...the only time beans seem to work is when they r referenced through servlets, because they happen to be in the same folder. The problem is when the beans are referenced through jsp which happen to be in different folder....
I dont have this problem in my laptob...But, I dont know what I've done to configure the other one..Here is an example of error I see in some cases...(not all cases).


org.apache.jasper.JasperException: Unable to compile class for JSP

An error occurred at line: -1 in the jsp file: null

Generated servlet error:
[javac] Since fork is true, ignoring compiler setting.
[javac] Compiling 1 source file
[javac] Since fork is true, ignoring compiler setting.
[javac] E:\Tomcat 4.1\work\Standalone\localhost\_\SaveName_jsp.java:41: cannot resolve symbol
[javac] symbol : class UserData
[javac] location: class org.apache.jsp.SaveName_jsp
[javac] UserData user = null;
[javac] ^
[javac] E:\Tomcat 4.1\work\Standalone\localhost\_\SaveName_jsp.java:43: cannot resolve symbol
[javac] symbol : class UserData
[javac] location: class org.apache.jsp.SaveName_jsp
[javac] user = (UserData) pageContext.getAttribute("user", PageContext.SESSION_SCOPE);
[javac] ^
[javac] E:\Tomcat 4.1\work\Standalone\localhost\_\SaveName_jsp.java:46: cannot resolve symbol
[javac] symbol : class UserData
[javac] location: class org.apache.jsp.SaveName_jsp
[javac] user = (UserData) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "UserData"

 

[palbano]

When in doubt, read the documentation, that's how everyone else gets it working.

http://jakarta.apache.org/tomcat/tomcat-4.1-doc/class-loader-howto.htm

-pete

 

[libaax]

Thanks for your prompt suggestion but, I couldn't find anything that would lead to a solution at the site mentioned...
I flowed instructions to the letter...see instructions at

http://www.moreservlets.com/Using-Tomcat-4.html

All my path variables are set. assuming "myApp" is package name
my jsp and project files are in:
e:\tomcat4.1\webapps\root\myApp
my beans and servlets are in:
e:\tomcat4.1\webapps\root\web-inf\classes\myApp

It's only the beans that are invisible to jsp and not to servlets:
Please see if you can find an specific solution...

ALLUSERSPROFILE=D:\Documents and Settings\All Users.WINDOWS
APPDATA=D:\Documents and Settings\libaax.DF8GUPGR56ERH51\Application Data
BOOKSHELF=e:\ifor\WIN\BIN\EN_US
CATALINA_HOME=e:\tomcat4.1
CLASSPATH=.;E:\Tomcat 4.1\webapps\ROOT\WEB-INF\classes;d:\advanced;E:\jspdev;E:\SQLLIB\java\db2java.zip;e:/Tomcat 4.1/common/lib/servlet.jar;E:\SQLLIB\java\runtime.zip;
CommonProgramFiles=D:\Program Files\Common Files
COMPUTERNAME=MYSOLARIS
ComSpec=D:\WINDOWS\system32\cmd.exe
DB2INSTANCE=DB2
HELP=e:\ifor\WIN\BIN
HOMEDRIVE=D:
HOMEPATH=\Documents and Settings\libaax.DF8GUPGR56ERH51
I4_INSTALL_DRIVE=e:
I4_LANG=EN_US
IMNINST=help
IMNINSTSRV=E:\IMNNQ_NT
INCLUDE=E:\SQLLIB\INCLUDE
IPF_PATH32=e:\ifor\WIN\BIN\EN_US
JAVA_HOME=D:\jbuilder9\jdk1.4
LIB=E:\SQLLIB\LIB
LOGONSERVER=\\MYSOLARIS
NLSPATH=e:\ifor\LS\MSG\%L\%N
NMAPDIR=D:\Program Files\NMapWinNUMBER_OF_PROCESSORS=1
OS=Windows_NT
Path=D:\WINDOWS\system32;D:\WINDOWS;D:\WINDOWS\System32\Wbem;D:\jbuilder9\jdk1.4\bin;D:\Program Files\NMapWin\\bin;e:\ifor\WIN\BIN;e:\ifor\WIN\BIN\EN_US;E:\IMNNQ_NT;E:\SQLLIB\BIN;E:\SQLLIB\FUNCTION;E:\SQLLIB\SAMPLES\REPL;E:\SQLLIB\HELP;e:\Tomcat4.1\common\lib
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
PROCESSOR_ARCHITECTURE=x86
PROCESSOR_IDENTIFIER=x86 Family 6 Model 6 Stepping 2, AuthenticAMD
PROCESSOR_LEVEL=6
PROCESSOR_REVISION=0602
ProgramFiles=D:\Program Files
PROMPT=$P$G
SESSIONNAME=Console
SystemDrive=D:
SystemRoot=D:\WINDOWS
TEMP=D:\DOCUME~1\LIBAAX~1.DF8\LOCALS~1\Temp
TMP=D:\DOCUME~1\LIBAAX~1.DF8\LOCALS~1\Temp
TOMCAT_HOME=E:\tomcat4.1
USERDOMAIN=MYSOLARIS
USERNAME=libaax
USERPROFILE=D:\Documents and Settings\libaax.DF8GUPGR56ERH51
windir=D:\WINDOWS

 

[AR1982]

Do you have this at the top of your code for your JSP page?
<jsp:useBean id=&quot;DBBeanId&quot; scope=&quot;page&quot;
class=&quot;project.DBBean&quot; />

Is your bean part of a package?

 

[AR1982]

Sorry I forgot to include this:

useBean id = what you want to refer to the bean as in your code

 

[libaax]

yea...It worked, after packaging it...But, it dont know why the default package doesnt work...!

Libaax
Hakuna Matata....