Re: Issue with EL disabled

2003-12-13 Thread Manolo Ramirez T. 
Hi,

Make sure that your web.xml is according to the Servlet 2.4 
Specification. Tomcat disables EL evaluation for old apps.

Regards,


Manolo Ramirez T.
Olivier Moratin wrote:
Hello,
 
I am getting crazy on what could be a simple thing.
 
While the Tomcat webapp examples (accessible from the manager) run EL (${variable}) properly, my own app doesn't.
 
I just installed Tomcat and stuff and thought it was enabled by default.
 
Tomcat 5 on Windows with latest version of J2EE/J2SE.
 
Please help. I am getting irritated :))
 
Thanks a lot

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Re: mod_jk 1.2 binary for Linux?

2003-10-25 Thread Manolo Ramirez T. 
Hi,

I sugest that you compile the src, it's not to dificult if you now the 
steps, download it from here:

http://apache.towardex.com/jakarta/tomcat-connectors/jk/jakarta-tomcat-connectors-jk-1.2-src-current.tar.gz

to compile (in Redhat 9):

$ tar xzf XXX
$ cd XXX/jk/native/
$ sh buildconf.sh
$ ./configure --with-apxs=/usr/sbin/apxs
$ make
The binary file will be in XXX/jk/native/apache-2.0/mod_jk.so

I hope this helps.

Regards,

_
Manolo Ramirez T.


Stu Statman wrote:
I am unsure if I'm asking this question in the right forum, and while I 
did a quick look through the archives, I may be repeating a question 
that someone else has asked and has had answered. If so, I apologize.

Someone in my org is trying to put together a development server image 
(Linux, Apache, Tomcat, JVM, etc.), and needs a clean binary of mod_jk. 
I pointed him at 
http://apache.towardex.com/jakarta/tomcat-connectors/jk/binaries/linux/, 
but it turns out that there's no binary there. It's an empty directory. 
He and I both did some surfing around, and can't seem to spot a binary 
anywhere else.

Do need to compile our own version of the binary? Is there someplace 
else I should be looking?

Thanks for the help, apologies for what's probably a noob question ...

Stu Statman

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Re: ResulSet Question

2003-10-21 Thread Manolo Ramirez T. 
Hi,

I think that rsSN is associated with statement, so we you do 
'statement.executeQuery()' that invalidates the current ResultSet. Try 
using other statement object for the internal querys.

Regards,

___
Manolo.
[EMAIL PROTECTED] wrote:
All, 

I have the following code

rsSN = statement.executeQuery(Query);
while (rsSN.next()){
if (Frame.equals("E")){
rsFrame = statement.executeQuery(QueryFrameE);
if (rsFrame.next()){ js.append(""+
rsFrame.getString("ATTRIBUTE_VALUE") +""); }
} else{
rsFrame = statement.executeQuery(QueryFrameF);
if (rsFrame.next()){ js.append(""+
rsFrame.getString("ATTRIBUTE_VALUE") +""); }
}
}
Why it only do it once, if the ResulSet rsSN have 100 records

Thanks in advance
Salvador
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Re: URGENT!!! Tomcat 4 download

2003-09-11 Thread Manolo Ramirez T. 
Try this:

http://www.jpackage.org

[EMAIL PROTECTED] wrote:
Hi All
I am trying to download tomcat 4.1.24 rpm thro apt-get.
I am using "apt-get install tomcat4" command. It gives me a bunch of
dependecies which it needs to install tomcat4. But if i download a tar
ball everything does just fine. I tried to get rpm from jakarta site but i
had no luck finding the rpms on there. Please help me solve this issue.I
think rpms is the best way to go but i'm just not able to get it to work
thanks in advance

--mohan



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Re: Cannot load JDBC driver class 'null' - Tomcat standalone 4.1. 27 w hen trying instantiate datasource object.

2003-09-11 Thread Manolo Ramirez T. 
Yep, that's what I'm talking about, check the archives, some people had 
problems with ResourceLink's and DefaultContext. Defining your context 
in a myApp.xml is the best option to avoid it, you must to follow 
Phillip Qin advise. Happy Coding!

Regards,

______
Manolo Ramirez T.
Wynkoop, Robert M wrote:
I don't know how to answer other than I have it in:

When you say normal context, what are we talking about? :)  
Are talking about something like:




  
usersa
password
driverClassName
  org.hsql.jdbcDriver
driverName
  jdbc:HypersonicSQL:database
  

Thanks,
Robert Wynkoop
-Original Message-
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED]
Sent: Thursday, September 11, 2003 9:27 AM
To: Tomcat Users List
Subject: Re: Cannot load JDBC driver class 'null' - Tomcat standalone
4.1. 27 w hen trying instantiate datasource object.
Are you declaring the JNDI resource in DefaultContext or with 
ResourceLink? if yes, try with a normal Context and Resource.

Regards,

_____
Manolo Ramirez T.
Wynkoop, Robert M wrote:

Yeah I had already tried that.  When It was not there I got this message
on

Tomcat startup - java.lang.reflect.InvocationTargetException:
java.lang.NoClassDefFoundError: javax/sql/DataSource
I'm kind of stumped on this.  Any other ideas?

Later,

Robert Wynkoop

-Original Message-
From: Phillip Qin [mailto:[EMAIL PROTECTED]
Sent: Wednesday, September 10, 2003 5:11 PM
To: 'Tomcat Users List'
Subject: RE: Cannot load JDBC driver class 'null' - Tomcat standalone
4.1. 27 w hen trying instantiate datasource object.
If you use oracle jdbc driver, put classes12.jar in common/lib

-Original Message-
From: Wynkoop, Robert M [mailto:[EMAIL PROTECTED] 
Sent: September 10, 2003 6:06 PM
To: Tomcat Mailing List (E-mail)
Subject: Cannot load JDBC driver class 'null' - Tomcat standalone 4.1.27 w
hen trying instantiate datasource object.

The error(Wen I try to use a JNDI resource in my webapp.):

C:\jdk1.3.1_08\jre\bin\java -classpath
"C:\web\Tomcat4.1\bin\bootstrap.jar";"C:\jdk1.3.1_08\lib\tools.jar"
-Dcatalina.home="C:\web\Tomcat4.1" -Dcatalina.base="C:\web\Tomcat4.1"
org.apache.catalina.startup.Bootstrap "start" 
[INFO] Registry - -Loading registry information
[INFO] Registry - -Creating new Registry instance
[INFO] Registry - -Creating MBeanServer
[INFO] Http11Protocol - -Initializing Coyote HTTP/1.1 on port 8080
Starting service Tomcat-Standalone
Apache Tomcat/4.1.18-LE-jdk14
[INFO] PropertyMessageResources - -Initializing,
config='org.apache.struts.util.LocalStrings', returnNull=true
[INFO] PropertyMessageResources - -Initializing,
config='org.apache.struts.action.ActionResources', returnNull=true
[INFO] PropertyMessageResources - -Initializing, config='remic_msgcat',
returnNull=true
[INFO] Http11Protocol - -Starting Coyote HTTP/1.1 on port 8080
[INFO] ChannelSocket - -JK2: ajp13 listening on 0.0.0.0/0.0.0.0:8009
[INFO] JkMain - -Jk running ID=0 time=0/200
config=C:\web\Tomcat4.1\conf\jk2.properties
Cannot load JDBC driver class 'null'
java.lang.NullPointerException
   at java.lang.Class.forName0(Native Method)
   at java.lang.Class.forName(Class.java:115)
   at

org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.jav

a:523)
   at
org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:3

29)
   at
com.citimortgage.common.datasource.DataSourceManager.getConnection(DataSourc

eManager.java:80)

I know I have the Oracle jar in the right place because I get this msg
when

if I don't have it in /common/lib.

C:\jdk1.3.1_08\jre\bin\java -classpath
"C:\web\Tomcat4.1\bin\bootstrap.jar";"C:\jdk1.3.1_08\lib\tools.jar"
-Dcatalina.home="C:\web\Tomcat4.1" -Dcatalina.base="C:\web\Tomcat4.1"
org.apache.catalina.startup.Bootstrap "start" 
[INFO] Registry - -Loading registry information
[INFO] Registry - -Creating new Registry instance
[INFO] Registry - -Creating MBeanServer
[INFO] Http11Protocol - -Initializing Coyote HTTP/1.1 on port 8080
Exception during startup processing
java.lang.reflect.InvocationTargetException:
java.lang.NoClassDefFoundError:

javax/sql/DataSource
   at java.lang.ClassLoader.defineClass0(Native Method)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:488)
   at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:106)
I googled for this answer.  The most common problem is not finding the
database driver in /common/lib.
Later,

Robert Wynkoop

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Re: Cannot load JDBC driver class 'null' - Tomcat standalone 4.1. 27 w hen trying instantiate datasource object.

2003-09-11 Thread Manolo Ramirez T. 
Are you declaring the JNDI resource in DefaultContext or with 
ResourceLink? if yes, try with a normal Context and Resource.

Regards,

_
Manolo Ramirez T.
Wynkoop, Robert M wrote:
Yeah I had already tried that.  When It was not there I got this message on
Tomcat startup - java.lang.reflect.InvocationTargetException:
java.lang.NoClassDefFoundError: javax/sql/DataSource
I'm kind of stumped on this.  Any other ideas?

Later,

Robert Wynkoop

-Original Message-
From: Phillip Qin [mailto:[EMAIL PROTECTED]
Sent: Wednesday, September 10, 2003 5:11 PM
To: 'Tomcat Users List'
Subject: RE: Cannot load JDBC driver class 'null' - Tomcat standalone
4.1. 27 w hen trying instantiate datasource object.
If you use oracle jdbc driver, put classes12.jar in common/lib

-Original Message-
From: Wynkoop, Robert M [mailto:[EMAIL PROTECTED] 
Sent: September 10, 2003 6:06 PM
To: Tomcat Mailing List (E-mail)
Subject: Cannot load JDBC driver class 'null' - Tomcat standalone 4.1.27 w
hen trying instantiate datasource object.

The error(Wen I try to use a JNDI resource in my webapp.):

C:\jdk1.3.1_08\jre\bin\java -classpath
"C:\web\Tomcat4.1\bin\bootstrap.jar";"C:\jdk1.3.1_08\lib\tools.jar"
-Dcatalina.home="C:\web\Tomcat4.1" -Dcatalina.base="C:\web\Tomcat4.1"
org.apache.catalina.startup.Bootstrap "start" 
[INFO] Registry - -Loading registry information
[INFO] Registry - -Creating new Registry instance
[INFO] Registry - -Creating MBeanServer
[INFO] Http11Protocol - -Initializing Coyote HTTP/1.1 on port 8080
Starting service Tomcat-Standalone
Apache Tomcat/4.1.18-LE-jdk14
[INFO] PropertyMessageResources - -Initializing,
config='org.apache.struts.util.LocalStrings', returnNull=true
[INFO] PropertyMessageResources - -Initializing,
config='org.apache.struts.action.ActionResources', returnNull=true
[INFO] PropertyMessageResources - -Initializing, config='remic_msgcat',
returnNull=true
[INFO] Http11Protocol - -Starting Coyote HTTP/1.1 on port 8080
[INFO] ChannelSocket - -JK2: ajp13 listening on 0.0.0.0/0.0.0.0:8009
[INFO] JkMain - -Jk running ID=0 time=0/200
config=C:\web\Tomcat4.1\conf\jk2.properties
Cannot load JDBC driver class 'null'
java.lang.NullPointerException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:115)
at
org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.jav
a:523)
at
org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:3
29)
at
com.citimortgage.common.datasource.DataSourceManager.getConnection(DataSourc
eManager.java:80)

I know I have the Oracle jar in the right place because I get this msg when
if I don't have it in /common/lib.
C:\jdk1.3.1_08\jre\bin\java -classpath
"C:\web\Tomcat4.1\bin\bootstrap.jar";"C:\jdk1.3.1_08\lib\tools.jar"
-Dcatalina.home="C:\web\Tomcat4.1" -Dcatalina.base="C:\web\Tomcat4.1"
org.apache.catalina.startup.Bootstrap "start" 
[INFO] Registry - -Loading registry information
[INFO] Registry - -Creating new Registry instance
[INFO] Registry - -Creating MBeanServer
[INFO] Http11Protocol - -Initializing Coyote HTTP/1.1 on port 8080
Exception during startup processing
java.lang.reflect.InvocationTargetException: java.lang.NoClassDefFoundError:
javax/sql/DataSource
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:488)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:106)

I googled for this answer.  The most common problem is not finding the
database driver in /common/lib.
Later,

Robert Wynkoop

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Re: problems with the starting of rpm version of tomcat4-4.1.24-full.2jpp.noarch.rpmon Red Hat Advanced Server 2.1

2003-08-29 Thread Manolo Ramirez T. 
Hi,

You must to install tomcat4-webapps-4.1.24-full.2jpp or configure the
ROOT context by yourself.

Regards,

_
Manolo Ramirez T.

虎 王 wrote:
> Hi,
> I want to run Tomcat4 on my newly installed redhat
> Advanced Server2.1.
> The jakartar-tomcat4.1.24.tar version do work when I
> visit http://localhost:8080/.
> But the rpm version don't work.When I visit
> http://localhost:8080/,the response is:
> HTTP Status 500 - No Context configured to process
> this request
> 
> type   Status report
> 
> message   No Context configured to process this
> request
> 
> description  The server encountered an internal
> error (No Context configured to process this request)
> that prevented it from fulfilling this request.
> 
> Can you help me out?
> Thank you!
> 
> 
> 
> 
> _
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> ?[???]?+??
> http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.messenger.yahoo.com
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Re: Can not load JNDI DataSource in Servlet.init()

2003-08-27 Thread Manolo Ramirez T. 
I try it and doGet() stop working too, the error was:

javax.naming.NameNotFoundException: Name jdbc is not bound in this Context

Anyway, I found how to configure the application context with ant (I 
think that it was not posible), so I can live without DefaultContext.

Thanks for the help.

Regards,

_
Manolo Ramirez T.
Madere, Colin wrote:
Ok, you are using a resource-ref.  But I'm not sure why since you have the
resource defined in the DefaultContext.  Try removing the resource-ref from
your web.xml and see if you get a different error.
(BTW: Better not to use attachments since this list is archived and not all
attachments work for all mail readers, etc).
-Original Message-
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED] 
Sent: Monday, August 25, 2003 7:01 PM
To: Tomcat Users List
Subject: Re: Can not load JNDI DataSource in Servlet.init()

I was making more test with this, I find that if I define the resource 
in a normal context it works, but I want to use defaultcontext to work 
with ant InstallTask, or is there another way to do this?

I attached my web.xml, this is the relevant entry in server.xml:


   
   
 
   factory
   org.apache.commons.dbcp.BasicDataSourceFactory
 
 
   maxActive
   100
 
 
   maxIdle
   30
 
 
   maxWait
   1
 
 
  username
  ***
 
 
  password
  ***
 
 
driverClassName
org.gjt.mm.mysql.Driver
 
 
   url
 
jdbc:mysql://localhost:3306/comercial?autoReconnect=true
 
   







Thanks for the help Colin.

_
Manolo Ramirez T.


Madere, Colin wrote:

Well then it may be something else.  I'm essentially doing what you 
are with a JNDI datasource defined in the DefaultContext with nothing 
in the web.xml (except to pass along the JNDI name so it's not 
hard-coded).  It breaks for me (and a bunch of other people posting 
recently using 4.1.x) when I try to move that to GlobalNamingResources 
and use a ResourceLink.

Post your server.xml and web.xml (or just relevant parts), maybe it's 
something else.

-Original Message-
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED]
Sent: Monday, August 25, 2003 3:50 PM
To: Tomcat Users List
Subject: Re: Can not load JNDI DataSource in Servlet.init()
No, I'm not using a ResourceLink.

_____
Manolo Ramirez T.
Madere, Colin wrote:


So you are using a resource link in the DefaultContext either in
server.xml or your web.xml?
-Original Message-----
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED]
Sent: Monday, August 25, 2003 1:27 PM
To: Tomcat Users List
Subject: Re: Can not load JNDI DataSource in Servlet.init()
It's in DefaultContext, I checked the related messages, it seems like 
the same problem.

Thanks for the answer.

_____
Manolo Ramirez T.
Madere, Colin wrote:



How is your JNDI resource configured?  In an explicitly defined 
Context or in the DefaultContext?  ResourceLinked?

I ask because there are a number of folks with similar problems that 
look to be something missing in how JNDI datasources are handled 
internally when using DefaultContext.

See other topics:

* ResourceLink and DefaultContext
* Tomcat 4.1 DefaultContext Bug?
* Question about Tomcat Documentation
* Globally defined JNDI DataSource
-----Original Message-
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 10:55 PM
To: Tomcat Users List
Subject: Can not load JNDI DataSource in Servlet.init()
Hi all,

Why I can't load a JNDI resource on the init method of my servlet? 
there is no problem doing that in doGet() but on init() it doesn't 
work. the logs entry is:

java.sql.SQLException: Cannot load JDBC driver class 'null'

It's the same code! What I'm missing?

this is my servlet code:





package libreria;

import java.io.PrintWriter;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import javax.sql.*;
import javax.naming.*;
public class MyServlet extends HttpServlet {

  public void init (ServletConfig config) throws ServletException{
super.init(config);
try {
Context ctx = new InitialContext();
if(ctx==null) {
System.out.println("fallo InitialContext");
return;
}
DataSource ds =
(DataSource)ctx.lookup("java:comp/env/jdbc/ComercialDB");
if(ds==null) {
System.out.println("fallo lookup");
return;
}
	Connection conn = ds.getConnection();

Statement stm = conn.createStatement();

ResultSet rs = stm.executeQuery("select * from pruebas");
	while(rs.next()) {
	 
System.out.println(rs.getInt("id")+"::"+rs.getString("nombre")+"::"+r
s
.getSt
ring("a

Re: Can not load JNDI DataSource in Servlet.init()

2003-08-25 Thread Manolo Ramirez T. 
I was making more test with this, I find that if I define the resource 
in a normal context it works, but I want to use defaultcontext to work 
with ant InstallTask, or is there another way to do this?

I attached my web.xml, this is the relevant entry in server.xml:


  
  

  factory
  org.apache.commons.dbcp.BasicDataSourceFactory


  maxActive
  100


  maxIdle
  30


  maxWait
  1


 username
 ***


 password
 ***


   driverClassName
   org.gjt.mm.mysql.Driver


  url
jdbc:mysql://localhost:3306/comercial?autoReconnect=true

  






Thanks for the help Colin.

_
Manolo Ramirez T.


Madere, Colin wrote:
Well then it may be something else.  I'm essentially doing what you are with
a JNDI datasource defined in the DefaultContext with nothing in the web.xml
(except to pass along the JNDI name so it's not hard-coded).  It breaks for
me (and a bunch of other people posting recently using 4.1.x) when I try to
move that to GlobalNamingResources and use a ResourceLink.
Post your server.xml and web.xml (or just relevant parts), maybe it's
something else.
-Original Message-----
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED] 
Sent: Monday, August 25, 2003 3:50 PM
To: Tomcat Users List
Subject: Re: Can not load JNDI DataSource in Servlet.init()

No, I'm not using a ResourceLink.

_________
Manolo Ramirez T.
Madere, Colin wrote:

So you are using a resource link in the DefaultContext either in 
server.xml or your web.xml?

-Original Message-
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED]
Sent: Monday, August 25, 2003 1:27 PM
To: Tomcat Users List
Subject: Re: Can not load JNDI DataSource in Servlet.init()
It's in DefaultContext, I checked the related messages, it seems like
the same problem.
Thanks for the answer.

_____
Manolo Ramirez T.
Madere, Colin wrote:


How is your JNDI resource configured?  In an explicitly defined
Context or in the DefaultContext?  ResourceLinked?
I ask because there are a number of folks with similar problems that
look to be something missing in how JNDI datasources are handled 
internally when using DefaultContext.

See other topics:

* ResourceLink and DefaultContext
* Tomcat 4.1 DefaultContext Bug?
* Question about Tomcat Documentation
* Globally defined JNDI DataSource
-Original Message-----
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 10:55 PM
To: Tomcat Users List
Subject: Can not load JNDI DataSource in Servlet.init()
Hi all,

Why I can't load a JNDI resource on the init method of my servlet?
there
is no problem doing that in doGet() but on init() it doesn't work. the 
logs entry is:

java.sql.SQLException: Cannot load JDBC driver class 'null'

It's the same code! What I'm missing?

this is my servlet code:





package libreria;

import java.io.PrintWriter;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import javax.sql.*;
import javax.naming.*;
public class MyServlet extends HttpServlet {

   public void init (ServletConfig config) throws ServletException{
super.init(config);
try {
Context ctx = new InitialContext();
if(ctx==null) {
System.out.println("fallo InitialContext");
return;
}
	DataSource ds = 
(DataSource)ctx.lookup("java:comp/env/jdbc/ComercialDB");
	if(ds==null) {
		System.out.println("fallo lookup");
		return;
	}

	Connection conn = ds.getConnection();

Statement stm = conn.createStatement();

ResultSet rs = stm.executeQuery("select * from pruebas");
	while(rs.next()) {
	 
System.out.println(rs.getInt("id")+"::"+rs.getString("nombre")+"::"+rs
.getSt
ring("apellido"));
	}
	}
	catch(Exception e) {
	e.printStackTrace();
	}
   }

   public void doGet(HttpServletRequest request, HttpServletResponse
response) throws IOException,ServletException {
response.setContentType("text/plain");
PrintWriter out= response.getWriter();
out.println("holas muchas");
try {
Context ctx = new InitialContext();
if(ctx==null) {
out.println("fallo InitialContext");
return;
}
	DataSource ds = 
(DataSource)ctx.lookup("java:comp/env/jdbc/ComercialDB");
	if(ds==null) {
		out.println("fallo lookup");
		return;
	}

	Connection conn = ds.getConnection();

Statement stm = conn.createStatement();

ResultSet rs = stm.executeQuery("select * from pruebas");
	while(rs.next()) {

Re: Can not load JNDI DataSource in Servlet.init()

2003-08-25 Thread Manolo Ramirez T. 
No, I'm not using a ResourceLink.

_
Manolo Ramirez T.
Madere, Colin wrote:
So you are using a resource link in the DefaultContext either in server.xml
or your web.xml?
-Original Message-
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED] 
Sent: Monday, August 25, 2003 1:27 PM
To: Tomcat Users List
Subject: Re: Can not load JNDI DataSource in Servlet.init()

It's in DefaultContext, I checked the related messages, it seems like 
the same problem.

Thanks for the answer.

_____
Manolo Ramirez T.
Madere, Colin wrote:

How is your JNDI resource configured?  In an explicitly defined 
Context or in the DefaultContext?  ResourceLinked?

I ask because there are a number of folks with similar problems that 
look to be something missing in how JNDI datasources are handled 
internally when using DefaultContext.

See other topics:

* ResourceLink and DefaultContext
* Tomcat 4.1 DefaultContext Bug?
* Question about Tomcat Documentation
* Globally defined JNDI DataSource
-Original Message-----
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED]
Sent: Friday, August 22, 2003 10:55 PM
To: Tomcat Users List
Subject: Can not load JNDI DataSource in Servlet.init()
Hi all,

Why I can't load a JNDI resource on the init method of my servlet? 
there
is no problem doing that in doGet() but on init() it doesn't work. the 
logs entry is:

java.sql.SQLException: Cannot load JDBC driver class 'null'

It's the same code! What I'm missing?

this is my servlet code:





package libreria;

import java.io.PrintWriter;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import javax.sql.*;
import javax.naming.*;
public class MyServlet extends HttpServlet {

public void init (ServletConfig config) throws ServletException{
super.init(config);
try {
Context ctx = new InitialContext();
if(ctx==null) {
System.out.println("fallo InitialContext");
return;
}
DataSource ds =
(DataSource)ctx.lookup("java:comp/env/jdbc/ComercialDB");
if(ds==null) {
System.out.println("fallo lookup");
return;
}
	Connection conn = ds.getConnection();

Statement stm = conn.createStatement();

ResultSet rs = stm.executeQuery("select * from pruebas");
	while(rs.next()) {
	 
System.out.println(rs.getInt("id")+"::"+rs.getString("nombre")+"::"+rs
.getSt
ring("apellido"));
	}
	}
	catch(Exception e) {
	e.printStackTrace();
	}
}

public void doGet(HttpServletRequest request, HttpServletResponse
response) throws IOException,ServletException {
response.setContentType("text/plain");
PrintWriter out= response.getWriter();
out.println("holas muchas");
try {
Context ctx = new InitialContext();
if(ctx==null) {
out.println("fallo InitialContext");
return;
}
DataSource ds =
(DataSource)ctx.lookup("java:comp/env/jdbc/ComercialDB");
if(ds==null) {
out.println("fallo lookup");
return;
}
	Connection conn = ds.getConnection();

Statement stm = conn.createStatement();

ResultSet rs = stm.executeQuery("select * from pruebas");
	while(rs.next()) {
	 
out.println(rs.getInt("id")+"::"+rs.getString("nombre")+rs.getString("
apelli
do"));
	}
	}
	catch(Exception e) {
	e.printStackTrace(out);
	}
}
}





Regards.

_
Manolo Ramirez T.
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Re: Can not load JNDI DataSource in Servlet.init()

2003-08-25 Thread Manolo Ramirez T. 
It's in DefaultContext, I checked the related messages, it seems like 
the same problem.

Thanks for the answer.

_
Manolo Ramirez T.
Madere, Colin wrote:
How is your JNDI resource configured?  In an explicitly defined Context or
in the DefaultContext?  ResourceLinked?
I ask because there are a number of folks with similar problems that look to
be something missing in how JNDI datasources are handled internally when
using DefaultContext.
See other topics:

* ResourceLink and DefaultContext
* Tomcat 4.1 DefaultContext Bug?
* Question about Tomcat Documentation
* Globally defined JNDI DataSource
-Original Message-
From: Manolo Ramirez T. [mailto:[EMAIL PROTECTED] 
Sent: Friday, August 22, 2003 10:55 PM
To: Tomcat Users List
Subject: Can not load JNDI DataSource in Servlet.init()

Hi all,

Why I can't load a JNDI resource on the init method of my servlet? there 
is no problem doing that in doGet() but on init() it doesn't work. the 
logs entry is:

java.sql.SQLException: Cannot load JDBC driver class 'null'

It's the same code! What I'm missing?

this is my servlet code:





package libreria;

import java.io.PrintWriter;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import javax.sql.*;
import javax.naming.*;
public class MyServlet extends HttpServlet {

 public void init (ServletConfig config) throws ServletException{
super.init(config);
try {
Context ctx = new InitialContext();
if(ctx==null) {
System.out.println("fallo InitialContext");
return;
}
	DataSource ds = 
(DataSource)ctx.lookup("java:comp/env/jdbc/ComercialDB");
	if(ds==null) {
		System.out.println("fallo lookup");
		return;
	}

	Connection conn = ds.getConnection();

Statement stm = conn.createStatement();

ResultSet rs = stm.executeQuery("select * from pruebas");
	while(rs.next()) {
	 
System.out.println(rs.getInt("id")+"::"+rs.getString("nombre")+"::"+rs.getSt
ring("apellido"));
	}
	}
	catch(Exception e) {
	e.printStackTrace();
	}
 }

 public void doGet(HttpServletRequest request, HttpServletResponse 
response) throws IOException,ServletException {
	response.setContentType("text/plain");
	PrintWriter out= response.getWriter();
	out.println("holas muchas");

try {
Context ctx = new InitialContext();
if(ctx==null) {
out.println("fallo InitialContext");
return;
}
	DataSource ds = 
(DataSource)ctx.lookup("java:comp/env/jdbc/ComercialDB");
	if(ds==null) {
		out.println("fallo lookup");
		return;
	}

	Connection conn = ds.getConnection();

Statement stm = conn.createStatement();

ResultSet rs = stm.executeQuery("select * from pruebas");
	while(rs.next()) {
	 
out.println(rs.getInt("id")+"::"+rs.getString("nombre")+rs.getString("apelli
do"));
	}
	}
	catch(Exception e) {
	e.printStackTrace(out);
	}
 }
}





Regards.

_
Manolo Ramirez T.
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Can not load JNDI DataSource in Servlet.init()

2003-08-22 Thread Manolo Ramirez T. 
Hi all,

Why I can't load a JNDI resource on the init method of my servlet? there 
is no problem doing that in doGet() but on init() it doesn't work. the 
logs entry is:

java.sql.SQLException: Cannot load JDBC driver class 'null'

It's the same code! What I'm missing?

this is my servlet code:





package libreria;

import java.io.PrintWriter;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import javax.sql.*;
import javax.naming.*;
public class MyServlet extends HttpServlet {

public void init (ServletConfig config) throws ServletException{
super.init(config);
try {
Context ctx = new InitialContext();
if(ctx==null) {
System.out.println("fallo InitialContext");
return;
}
	DataSource ds = 
(DataSource)ctx.lookup("java:comp/env/jdbc/ComercialDB");
	if(ds==null) {
		System.out.println("fallo lookup");
		return;
	}

	Connection conn = ds.getConnection();

Statement stm = conn.createStatement();

ResultSet rs = stm.executeQuery("select * from pruebas");
	while(rs.next()) {
	 
System.out.println(rs.getInt("id")+"::"+rs.getString("nombre")+"::"+rs.getString("apellido"));
	}
	}
	catch(Exception e) {
	e.printStackTrace();
	}
}

public void doGet(HttpServletRequest request, HttpServletResponse 
response) throws IOException,ServletException {
	response.setContentType("text/plain");
	PrintWriter out= response.getWriter();
	out.println("holas muchas");

try {
Context ctx = new InitialContext();
if(ctx==null) {
out.println("fallo InitialContext");
return;
}
	DataSource ds = 
(DataSource)ctx.lookup("java:comp/env/jdbc/ComercialDB");
	if(ds==null) {
		out.println("fallo lookup");
		return;
	}

	Connection conn = ds.getConnection();

Statement stm = conn.createStatement();

ResultSet rs = stm.executeQuery("select * from pruebas");
	while(rs.next()) {
	 
out.println(rs.getInt("id")+"::"+rs.getString("nombre")+rs.getString("apellido"));
	}
	}
	catch(Exception e) {
	e.printStackTrace(out);
	}
}
}





Regards.

_
Manolo Ramirez T.
-
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Re: Installing Tomcat as a Service

2003-08-20 Thread Manolo Ramirez T. 
Hi,

Check this:

http://www.jpackage.org

They have the rpm version of tomcat, that will make all the hard work 
for you.

Regards.


Manolo Ramirez T.
Stuart Stephen wrote:
Hi all,

How might I go about installing Tomcat as a service in RedHat 9.0. I've
never installed a service under linux manually before and I'm not sure what
to do. I can't find the appropriate documentation in the manuals for either
Tomcat or RedHat. I must be looking in the wrong places :O(
UNRELATED: Also, If I wanted to install a java program as a service, how
might I do this? Is this a similar process?
Regards,
Stuart


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