JSP HTMLB tags/Taglib

Hi all,
Are there any JSP HTMLB tags like there are in the portals environment? i.e., tableview, button, tray, etc.?
I know there's a mobilehtmlb.jar, but I couldn't find anything about htmlb tags for MI.
If you have any idea/info, please let me know.
Thx,
mike

Jelle,
I found the jars, but I am awaiting a response from the product manager.   Through a NoClassDefFound error, I found out I also had to add logging.jar.
Now this is what I'm getting:
java.lang.NullPointerException
     at com.sapportals.htmlb.util.Log.getLoggingProperties(Log.java:22)
     at com.sapportals.htmlb.util.Log.getLogLocation(Log.java:44)
     at com.sapportals.htmlb.rendering.RendererManager.createUIBrowserRenderer(RendererManager.java:416)
     at com.sapportals.htmlb.rendering.RendererManager.initialize(RendererManager.java:446)
     at com.sapportals.htmlb.rendering.RendererManager.getJavascriptFileName(RendererManager.java:493)
     at com.sapportals.htmlb.rendering.PageContext.getJavascriptUrl(PageContext.java:996)
     at com.sapportals.htmlb.rendering.PageContext.createDocument(PageContext.java:1015)
     at com.sapportals.htmlb.taglib.PageTag.doStartTag(PageTag.java:53)
     at jsp._0002fjsp_0002fmenu_0002ejspmenu_jsp_30._jspService(_0002fjsp_0002fmenu_0002ejspmenu_jsp_30.java:107)
     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
..etc., etc...
Let me know if you have any ideas.
Thanks,
mike

Similar Messages

Error while trying to show simple JSP page tag taglib

Hello,
I am trying to run jsp page which is using taglib. I copyied all three files (TestSample.tld, hello.java and hello.jsp) in the same directory. I am trying to run it (http://localhost:8088/working/hello.jsp), but I am getting an error (see below). I am a beginner in using taglib. Can anybody help me, what is wrong?, why I am getting this error? and how I should to fix it?
Thanks in advance.
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: org/apache/jsp/working/hello_jsp (wrong name: org/apache/jsp/working/Hello_jsp)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:272)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
java.lang.NoClassDefFoundError: org/apache/jsp/working/hello_jsp (wrong name: org/apache/jsp/working/Hello_jsp)
     java.lang.ClassLoader.defineClass1(Native Method)
     java.lang.ClassLoader.defineClass(Unknown Source)
     java.security.SecureClassLoader.defineClass(Unknown Source)
     java.net.URLClassLoader.defineClass(Unknown Source)
     java.net.URLClassLoader.access$100(Unknown Source)
     java.net.URLClassLoader$1.run(Unknown Source)
     java.security.AccessController.doPrivileged(Native Method)
     java.net.URLClassLoader.findClass(Unknown Source)
     org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:133)
     org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:65)
     org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:596)
     org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:147)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:315)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.
Apache Tomcat/5.5.17

OK., I fixed that, but now I am getting a new error msg:
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: /working/hello.jsp(8,2) Unable to load tag handler class "test.examples.hello" for tag "test:hello"
     org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
org.apache.jasper.JasperException: /working/hello.jsp(8,2) Unable to load tag handler class "test.examples.hello" for tag "test:hello"
     org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
     org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:405)
     org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:196)
     org.apache.jasper.compiler.Parser.parseCustomTag(Parser.java:1327)
     org.apache.jasper.compiler.Parser.parseElements(Parser.java:1573)
     org.apache.jasper.compiler.Parser.parse(Parser.java:126)
     org.apache.jasper.compiler.ParserController.doParse(ParserController.java:211)
     org.apache.jasper.compiler.ParserController.parse(ParserController.java:100)
     org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:155)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:295)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:276)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:264)
     org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:303)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.
Apache Tomcat/5.5.17
Do anybody know good idea how to fix it?

Bug in HTMLB JSP inputfield TAG ???

Hello,
we use SAP EP 6.0 NW 04 SPS16 (J2EE Cluster with 6 hosts and 2 j2ee
servers per host) with a R/3 Enterprise Backend HR system. For the UI
we use ISR forms. Platform is Windows 2003 Server with Oracle DB.
Within a self develop ISR JSP form running in the portal we have the
following problem:
The result of the htmlb tag below displays 09:00:00 in the browser. The
right time is 08:00:00
<hbj:inputField id='<%= inpufieldname %>'
type="TIME"
value='<%= ISR.getValue("ZP_BEG_DIS",i)
%>'
disabled='TRUE'
size="12"
jsObjectNeeded="true" />
When we use the coding below with type STRING the result, displayed in
the browser is 080000
<hbj:inputField id='<%= inpufieldname %>'
type="STRING"
value='<%= ISR.getValue("ZP_BEG_DIS",i)
%>'
disabled='TRUE'
size="12"
jsObjectNeeded="true" />
The crazy thing is: The coding above with type TIME works until
something in a J2EE server "breaks" from now on this server returns one
hour more tham <%= ISR.getValue("ZP_BEG_DIS",i) returns. The server
returns this wrong value until a J2EE server reboot.
Any experience with this "feature" ??
Regards,
Gerald Eder

That doesn't seem to work. On the login page we have the line (uses our own custom tag called "form"):
<html:form method="post" action="<%=response.encodeURL("j_security_check")%>" >
OC4J complains about this (Tomcat is happy enough). If I change this to:
<html:form method="post" action="<%=response.encodeURL(\""j_security_check\"")%>" >
then it won't compile in either OC4J or Tomcat... which to be honest is what I expected. The quotes is inside a JSP expression; it's not really part of the attribute.
Or did you mean something else?
Thanks,
Phil

Connection Pooling and JSP Custom Tag Library - is code (inside) the best way/correc?

Hi, can anyone advise as to whether my tag library code (based
on Apache Jakarta Project) will actually achieve connection
pooling functionality across my entire JSP based application? I
am slightly concerned that my OracleConnectionCacheImpl object
may exist multiple times, hence rendering my conection pooling
attempt useless.
package com.solved.tag.dbtags.connection;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import javax.servlet.jsp.tagext.TagSupport;
import javax.servlet.jsp.JspTagException;
import javax.sql.DataSource;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import oracle.jdbc.pool.OracleConnectionCacheImpl;
* JSP tag connection, used to get a
* java.sql.Connection object.
* JSP Tag Lib Descriptor
* <pre>
* <name>connection</name>
<tagclass>com.solved.tag.dbtags.connection.ConnectionTag</t
agclass>
* <bodycontent>JSP</bodycontent>
<teiclass>com.solved.tag.dbtags.connection.ConnectionTEI</t
eiclass>
* <info>Opens a connection based on a jndiName.</info>
* <attribute>
* <name>id</name>
* <required>true</required>
* <rtexprvalue>false</rtexprvalue>
* </attribute>
* </pre>
* @author Matt Shannon
public class ConnectionTag extends TagSupport {
static private OracleConnectionCacheImpl cache = null;
public int doStartTag() throws JspTagException {
try {
Connection conn = null;
if (cache == null) {
try {
InitialContext ic = new InitialContext();
DataSource ds = (DataSource) ic.lookup
("jdbc/pool/OracleCache");
cache = (OracleConnectionCacheImpl)ds;
catch (NamingException ne) {
throw new JspTagException(ne.toString());
conn = cache.getConnection();
pageContext.setAttribute(getId(),conn);
catch (SQLException e) {
throw new JspTagException(e.toString());
return EVAL_BODY_INCLUDE;
package com.solved.tag.dbtags.connection;
import java.sql.Connection;
import java.sql.SQLException;
import javax.servlet.jsp.tagext.TagSupport;
* JSP tag closeconnection, used to close the
* specified java.sql.Connection.
* JSP Tag Lib Descriptor
* <pre>
* <name>closeConnection</name>
<tagclass>com.solved.tag.dbtags.connection.CloseConnectionTag&
lt;/tagclass>
* <bodycontent>empty</bodycontent>
* <info>Close the specified connection. The "conn"
attribute is the name of a
* connection object in the page context.</info>
* <attribute>
* <name>conn</name>
* <required>true</required>
* <rtexprvalue>false</rtexprvalue>
* </attribute>
* </pre>
* @author Matt Shannon
* @see ConnectionTag
public class CloseConnectionTag extends TagSupport {
private String _connId = null;
* The "conn" attribute is the name of a
* page context object containing a
* java.sql.Connection.
* @param connectionId
* attribute name of the java.sql.Connection to
close.
* @see ConnectionTag
public void setConn(String connectionId) {
_connId = connectionId;
public int doStartTag() {
try {
Connection conn = (Connection)pageContext.getAttribute
(_connId);
conn.close();
} catch (SQLException e) {
// failing to close a connection is not fatal
e.printStackTrace();
return EVAL_BODY_INCLUDE;
public void release() {
_connId = null;
package com.solved.tag.dbtags.connection;
import javax.servlet.jsp.tagext.TagData;
import javax.servlet.jsp.tagext.TagExtraInfo;
import javax.servlet.jsp.tagext.VariableInfo;
* TagExtraInfo for the connection tag. This
* TagExtraInfo specifies that the ConnectionTag
* assigns a java.sql.Connection object to the
* "id" attribute at the end tag.
* @author Matt Shannon
* @see ConnectionTag
public class ConnectionTEI extends TagExtraInfo {
public final VariableInfo[] getVariableInfo(TagData data)
return new VariableInfo[]
new VariableInfo(
data.getAttributeString("id"),
"java.sql.Connection",
true,
VariableInfo.AT_END
data-sources.xml:
<?xml version="1.0"?>
<!DOCTYPE data-sources PUBLIC "Orion data-
sources" "http://xmlns.oracle.com/ias/dtds/data-sources.dtd">
<data-sources>
<data-source
class="oracle.jdbc.pool.OracleConnectionCacheImpl"
name="jdbc/pool/OracleCache"
location="jdbc/pool/OracleCache"
url="jdbc:oracle:thin:@oracle1:1521:pdev"
>
<property name="maxLimit" value="15" />
<property name="cacheScheme" value="2" />
<property name="user" value="console" />
<property name="password" value="console" />
<description>
This DataSource is using an Oracle-native DataSource Class so as
to allow Oracle Specific extensions.
A getConnection() call on this DataSource will return
oracle.jdbc.driver.OracleConnection.
The connection returned is a logical connection.
The caching scheme in place is Fixed Wait. Refer below to
possible values.
Dynamic 1
Fixed Wait 2
Fixed Return Null 3
</description>
</data-source>
</data-sources>
many thanks,
Matt.

Hi. Show me your pool definition.
Joe
Ramamurthy wrote:
I am using the jsp custom tag library from BEA called sqltags.tld which came with Weblogic 5.1. Currently I am using Weblogic6.1 sp2 on Solaris.
I have created a Connection Pool for Sybase database using the driver com.sybase.jdbc.SybDriver.
When I created jsp page to connect to the connection pool using sqltags custom tag library, I am getting the error
"javax.servlet.jsp.JspException: Failed to write body content
at weblogic.taglib.sql.ConnectionTag.doAfterBody(ConnectionTag.java:43)
at jsp_servlet.__hubwcdata._jspService(__sampletest.java:1014)"
After this message, whenever I try to access the same jsp page I am getting the message
"javax.servlet.jsp.JspException: Failed to load JDBC driver: weblogic.jdbc.pool.D
river
at weblogic.taglib.sql.ConnectionTag.doStartTag(ConnectionTag.java:34)
at jsp_servlet.__hubwcdata._jspService(__sampletest.java:205)".
Can you please help me the reason why this problem is happening and how to fix this ?
This problem doexn't happen consistently. This occurs once in a while.
I tried to increase Login delay Seconds parameter in the Connection Pool to 15 sec. It didn't help me much.
Thanks for your help !!!
Ram

Jdev 10.1.3.0.4 jsp 2.0 taglib support

hi,
i am trying to use ZK jsp tag library(zkoss.org) for a project. ZK taglib needs jsp2.0 support. i have create a web project with jsp2.0 and servlet2.4.
then i install taglib to the project and put required libraries under web-inf/lib.
here is a simple jsp: (just imports taglib)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%@ page contentType="text/html;charset=UTF-8"%>
<%@ taglib uri="http://www.zkoss.org/dsp/web/core" prefix="zkjsp-functions"%>
<%@ taglib uri="http://www.zkoss.org/jsp/zul" prefix="zuljsp"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>Hello ZK World</title>
</head>
<body></body>
</html>
when i rebuild the project i get:
Error(4): Invalid body-content value in TLD: SCRİPTLESS.
Error(5): Invalid body-content value in TLD: SCRİPTLESS.
Error(5): "http://www.zkoss.org/jsp/zul" is not a registered TLD namespace
am i missing something?
does jdeveloper 10g really supports jsp2.0 taglibs?
regards, Engin.

hi,
jsp tag library definitions exist both at global jsp tag libs and project tag libs.
my pc regional setting are turkish. i have changed then to english. then the error changed to:
Error(4): Invalid body-content value in TLD: NONE.
Error(5): Invalid body-content value in TLD: NONE.
i guess the taglib file contains none value while its schema definition does not allow this? could it be the reason for last error? i found some none values at tld file.
regards, engin.

I can't connect to MySQL database from The JSP Standard Tag Library

Hi All !
I have a problem, please help me anybody !
I don't connect to MySQL database from jsp page using JSTL tag but from servlet all work correctly. I set my path and put �mysql-connector-java-3.1.13-bin.jar� in ENVIRONMENT WinXP(classpath=C:\Java\jdk1.5.0_10\jre\lib\ext\mysql-connector-java-3.1.13-bin.jar) and in War project folder �WEB-INF/lib� and in [TomcatServer]\common\lib.
I have in folder�WEB-INF/lib� following files:
antlr.jar
commons-beanutils.jar
commons-collections.jar
commons-digester.jar
commons-fileupload.jar
commons-logging.jar
commons-validator.jar
jakarta-oro.jar
jsf-api.jar
jsf-impl.jar
jstl.jar
mysql-connector-java-3.1.13-bin.jar
standard.jar
struts.jar
I'm using:
NetBeans 5.5 Build200610171010 (bundled Tomcat 5.5.17)
Ent.Pack 20061020 Visual Wb Pack 061103
OS WinXP SP2
Java 1.5.0_10
MySQL 5.0.18-nt
1:<%@page contentType="text/html"%>
2:<%@page pageEncoding="UTF-8"%>
8: <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
9: <%@taglib uri="http://java.sun.com/jstl/sql" prefix="sql"%>
10:
11: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
12: "http://www.w3.org/TR/html4/loose.dtd">
13:
14: <sql:setDataSource var="ds"
15: driver="com.mysql.jdbc.Driver"
16: url="jdbc:mysql://localhost:3306/test"
17: user="root"
18: password="xxxx"/>
19:
20:
21:<sql:query sql="select name, age from People" var="res"
22: dataSource="${ds}"/>
I have received report on mistake when entered code at the top:
�/index.jsp [21;0] According to TLD or attribute directive in tag file, attribute dataSource does not accept any expressions�
I used instead of (dataSource="${ds}")->(dataSource="ds") but this did not work.
After build and run I have received
=========================================START=================================
HTTP Status 500
type Exception report:
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: /index.jsp(21,0) According to TLD or attribute directive in tag file, attribute dataSource does not accept any expressions
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
root cause
org.apache.jasper.JasperException: /index.jsp(21,0) According to TLD or attribute directive in tag file, attribute dataSource does not accept any expressions
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:405)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:146)
org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:955)
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:710)
org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1441)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219)
org.apache.jasper.compiler.Node$Root.accept(Node.java:456)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Validator.validate(Validator.java:1489)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:166)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:295)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:276)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:264)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:303)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.
Apache Tomcat/5.5.17
=======================================END================================
Error: "According to TLD or attribute directive in tag file, attribute dataSource does not accept any expressions" - but according to documentation such parameter possible.
BUT WHEN JOINING With DATABASE FROM SERVLET ALL WORK FINE.
I read this doc - [http://tomcat.apache.org/tomcat-5.5-doc/jndi-datasource-examples-howto.html], this applicable if I Tomcat Admin, but i'am not Admin
I simply user, i.e. I want to place its database on virtual host (Tomcat+(JSP-JSTL)+MySQL).
There is idea how can resolve this problem
Thank you in advance ;)

For all how have similar problem.
Decision instead of these ways
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<%@ taglib prefix="sql" uri="http://java.sun.com/jstl/sql" %>
it is necessary to indicate these
<%@ taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

How to use JSP custom tag lib in PAR file?

Hi All,
I am trying to customize mastheaderpar file. For that I have downloaded relevant par file and making the changes accordingly.
As part of the changes I would require to use JSP custom tag library in my par file.
I have the TLD file and relevant classes in the jar file. I would like to know where and what kind of modifications have to be done to use the jsp custom tag library.
I tried modifying some things in portalapp.xml but was not successful.
Please help me on how to proceed with this? It would be great if you can provide the xml entry to use this tag library
Thanks
Santhosh

Hi Johny,
Thanks for the reply. Actually I am able to change colors etc. with out any problem.
My requirement is to use XMLTaglib in mastheader par file. This tag lib is from apache tomcat. I have the relevant TLD and class files. I copied TLD file into taglib dir of portal-inf and class file in src api.
And I have added the following line in portalapp.xml under component-profile section of default
<property name="tlxtag" value="/SERVICE/Newmastheader/taglib/taglibs-xtags.tld">
Is this the right way to use tag lib? Actually before adding this line I used to get the error saying "Error parsing taglib", but now the error does not occur and I am getting new error. This is an exception in one of the taglib classes.
Could any one provide me some inputs on how to check this error?
Thanks
Santhosh

JSP xml syntax, taglibs not found

Hello,
I have JSPs look so:
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE jsp:root [
<!ENTITY nbsp " ">
]>
<jsp:root version="1.2"
 xmlns:jsp="http://java.sun.com/JSP/Page"
 xmlns:afc="http://afclabs.com/tags/afc"
 xmlns:c="http://java.sun.com/jstl/core">
<jsp:directive.page language="java" contentType="text/html; charset=iso-8859-1"/>
<afc:page>
<head>
<title></title>
</head>
<body>
</body>
</afc:page>
</jsp:root>[/code:1:449443877c]
If I use Tag Libraries panel, to insert , for example <c:out> tag, then the tag will be inserted along with this line: <%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>, like so:
[code:1:449443877c]<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE jsp:root [
<!ENTITY nbsp " ">
]>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<jsp:root version="1.2"
 xmlns:jsp="http://java.sun.com/JSP/Page"
 xmlns:afc="http://afclabs.com/tags/afc"
 xmlns:c="http://java.sun.com/jstl/core">
<jsp:directive.page language="java" contentType="text/html; charset=iso-8859-1"/>
<afc:page>
<head>
<title></title>
</head>
<body>
<c:out value="test" default="test"/>
</body>
</afc:page>
</jsp:root>[/code:1:449443877c]
I don't need this line, because the tag libraries are defined in the <jsp:root> tag.
How can I stop the automatically insert of this line ?
How to make, that the Nitrox "undestand" this tag:
[code:1:449443877c] <jsp:root version="1.2"
 xmlns:jsp="http://java.sun.com/JSP/Page"
 xmlns:afc="http://itoolabs.com/tags/afc"
 xmlns:c="http://java.sun.com/jstl/core">[/code:1:449443877c] ?
Thanks

http://java.sun.com/products/jsp/docs.html
To my knowledge, only Tomcat 5 will use the 2.0 specs. Other servers will use the 1.2 spec, but the server docs should state which JSP spec they support.
I found the 'Card' PDF the most helpfull. The 'Reference' is quick and easy, but you don't get as much info as quickly, IMO (for example I couldn't find the information to help here in the 'Reference' but it was right on top in the 'Card')

JSP applet tag X Html applet tag (what is the difference?)

what is the advantage in using the JSP applet tag instead of a simple Html applet tag ?
second question:
I have an applet in a Html frame, and a menu on the left side.... When the user select the applet option at first time, everything runs ok.. after the user select another option and then select the applet again, it fails in some features .. Why ?

well, if by "the JSP applet tag", you mean the jsp:plugin tag.. that will just generate the same HTML tag you would write. The only advantage would be it should be less typing to use the taglib.
second answer:
without seeing any code, it'd be hard to figure out the problem. The obvious thing is you are setting some state of something that is preventing further action.

Database access with JSP custom tags

i have created one file in which i am making the connection with mysql data base with con.mysql.jdbc.Driver.and usking J connector and that i'm doing with custom tag.this is the error which i'm getting in tomcat.
and the tag handler class and TLD file and jsp file is below
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: javax.servlet.jsp.JspException: null
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl .java:841)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.j ava:778)
org.apache.jsp.DbTry_jsp._jspService(org.apache.jsp.DbTry_jsp:72)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
java.lang.NullPointerException
Try.Connect.<init>(Connect.java:26)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
java.lang.reflect.Constructor.newInstance(Unknown Source)
java.lang.Class.newInstance0(Unknown Source)
java.lang.Class.newInstance(Unknown Source)
org.apache.jasper.runtime.TagHandlerPool.get(TagHandlerPool.java:116)
org.apache.jsp.DbTry_jsp._jspx_meth_db_connect_0(org.apache.jsp.DbTry_jsp:84)
org.apache.jsp.DbTry_jsp._jspService(org.apache.jsp.DbTry_jsp:62)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.4 logs.
Apache Tomcat/5.5.4
Tag handler class
package Try;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.TagSupport;
import java.sql.*;
public class Connect extends TagSupport {
private String driver = "com.mysql.jdbc.Driver";
private String dbtype = "mysql";
private String host = "localhost";
private String username = "root";
private String password = "203131";
private String database = "compose";
private String scope = "page";
private String id = "";
JspWriter out = pageContext.getOut();
public void setDriver(String str) {
driver = str;
public void setDbtype(String str) {
dbtype = str;
public void setHost(String str) {
host = str;
public void setUsername(String str) {
username = str;
public void setPassword(String str) {
password = str;
public void setDatabase(String str) {
database = str;
public void setScope(String str) {
scope = str;
public void setId(String str) {
id = str;
public int doStartTag() throws JspException {
try {
Class.forName("com.mysql.jdbc.Driver");
String url= "jdbc:" + dbtype + "://" + host + "/" + database;
Connection connection = DriverManager.getConnection(url,username,password);
out.println("right ;;one");
catch (SQLException e1) {
System.out.println("Error in HeadingTagv: " + e1);
catch (Exception e) {
System.out.println("Error in HeadingTag: " + e);
return SKIP_BODY;
TLD is lib.tld
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE taglib
PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
"http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_2.dtd">
<taglib>
<tlib-version>1.0</tlib-version>
<jsp-version>1.2</jsp-version>
<short-name>db</short-name>
<display-name>Database Tags</display-name>
<description>
A set of tags for working with SQL database access
</description>
<tag>
<name>connect</name>
<tag-class>Try.Connect</tag-class>
<body-content>empty</body-content>
<description>
</description>
<attribute>
<name>driver</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<description>
</description>
</attribute>
<attribute>
<name>dbtype</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<description>
</description>
</attribute>
<attribute>
<name>host</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<description>
Can be given by a run-time expression.
Host name of the computer where database is located.
Default is "localhost".
</description>
</attribute>
<attribute>
<name>username</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<description>
Can be given by a run-time expression.
Username for logging onto the database.
Default is "root".
</description>
</attribute>
<attribute>
<name>password</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<description>
Can be given by a run-time expression.
Password for logging onto the database.
Default is the empty string.
</description>
</attribute>
<attribute>
<name>database</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
<description>
Can be given by a run-time expression.
The name of the database that will be used for
the SQL commands. Default is no database specified.
</description>
</attribute>
<attribute>
<name>id</name>
<required>false</required>
<description>
</description>
</attribute>
<attribute>
<name>scope</name>
<required>false</required>
<description>
</description>
</attribute>
</tag>
</taglib>
JSP file is
<%@ taglib uri="/WEB-INF/lib.tld" prefix="db" %>
<html>
<body>
<db:connect username="root" password="203131" database="compose" />
</body>
</html>

Answered in your other post:
http://forum.java.sun.com/thread.jspa?threadID=608780&tstart=0

Error in JSP Custom Tag Program

Hi Dear,
when I compile my JSP Custom tag program on weblogic Its give that Error..
Parsing of JSP File '/Home.jsp' failed: /Home.jsp(-1): cannot load TLD: weblogic.xml.dom.ChildCountException: missing child tagclass in tag
probably occurred due to an error in /Home.jsp line -1:
Tue Sep 09 18:46:56 GMT 2008
My Files are:
Home.jsp:
<%@ taglib uri="/WEB-INF/tlds/taglib.tld" prefix="neeraj" %>
<neeraj:hello name="Vijay">
It is a Tag Body 
</neeraj:hello>
taglib.tld:
<taglib>
<tlib-version>1.0</tlib-version>
<jsp-version>1.2</jsp-version>
<uri>WEB-INF/tlds/taglib.tld</uri>
<tag>
<name>hello</name>
<tag-class>mypack.MyTag</tag-class>
<attribute>
<name>name</name>
<required>true</required>
</attribute>
</tag>
</taglib>
MyTag.java:
package mypack;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
public class MyTag extends TagSupport
String name;
public void setName(String c)
try
name=c;
catch(Exception e)
count=1;
public int doStartTag()
return EVAL_BODY_INCLUDE;
public int doAfterBody
JspWriter out=pageContext.getOut();
out.print("Good Night "+name);
catch(Exception e)
return EVAL_PAGE;
web.xml:
<web-app>
<welcome-file-list>
<welcome-file>/Home.jsp</welcome-file>
</welcome-file-list>
<taglib>
<taglib-uri>taglib</taglib-uri>
<taglib-location>/WEB-INF/tlds/taglib.tld</taglib-location>
</taglib>
</web-app>
Please resolve my issue..

I had the same problem. In your .tld change tagclass to tag-class and bodycontent to body-content and that should do the trick. The names slightly changed for JSP spec 1.2.

Problems with JSP - using tag library with Weblogic 8.1

I am getting the following error when I try to run a web application called "regain":
/searchinput.jsp(2): Error in using tag library uri='regain-search.tld' prefix='search': cannot find tag class: 'net.sf.regain.ui.server.taglib.MsgTag'
probably occurred due to an error in /searchinput.jsp line 2:
<%@taglib uri="regain-search.tld" prefix="search" %>
The classes that the .tld file points to are in the web applications WEB-INF/classes directory and I have put this path into my classpath environment variable (running Windows 2000 Server).
This application runs fine on Tomcat.
I can't not figure out whether is error is masking another error or what. I've tried using JDK and Jrockit for my web app - no luck.
Please help! Thanks!

anyone? :/

Initial problem with JSP Custom Tag devolopment

Hi ,
I have encountered a problem with my JSP application which utilizes a simple custom tag.
First I created followinng directories.
1. %TOMCAT_HOME%\webapps\testTags
2. %TOMCAT_HOME%\webapps\testTags\META-INF
3. %TOMCAT_HOME%\webapps\testTags\WEB-INF
4. %TOMCAT_HOME%\webapps\testTags\WEB-INF\tlds
5. %TOMCAT_HOME%\webapps\testTags\WEB-INF\classes
6. %TOMCAT_HOME%\webapps\testTags\WEB-INF\classes\com
7. %TOMCAT_HOME%\webapps\testTags\WEB-INF\classes\com\tek271
8. %TOMCAT_HOME%\webapps\testTags\WEB-INF\classes\com\tek271\testTags
I created the essential four files, that is named as follows.
1.TagError.java
2.web.xml
3.testTld.tld
4.testJsp.jsp
Then i put the files under these directories as given below
testJsp.jsp under %TOMCAT_HOME%\webapps\testTags.
web.xml under %TOMCAT_HOME%\webapps\testTags\WEB-INF
TagError.java under %TOMCAT_HOME%\webapps\testTags\WEB-INF\classes
TagError.class under %TOMCAT_HOME%\webapps\testTags\WEB-INF\classes\com\tek271\testTags
testTld.tld %TOMCAT_HOME%\webapps\testTags\WEB-INF\tlds
Here is the content inside the files.
1.TagError.java
package com.tek271.testTags;
import java.io.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
public class TagError extends TagSupport {
private String mColor = "red";
public void setColor(String aColor) {
mColor = aColor;
} // setColor
public int doStartTag() throws JspException {
try {
JspWriter out = pageContext.getOut();
out.print("Error: ");
} catch (IOException ex) {
throw new JspTagException(ex.getMessage());
return EVAL_BODY_INCLUDE; // other return: SKIP_BODY
} // doStartTag()
public int doEndTag() throws JspException {
try {
JspWriter out = pageContext.getOut();
out.println(" ");
} catch (IOException ex) {
throw new JspTagException(ex.getMessage());
return EVAL_PAGE; // other return: SKIP_PAGE
} // doEndTag()
} // TagError
2.web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
<taglib>
<taglib-uri>/testTaglib</taglib-uri>
<taglib-location>/WEB-INF/tlds/testTld.tld</taglib-location>
</taglib>
</web-app>
3.testTld.tld
<?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>
<tlibversion>1.0</tlibversion>
<jspversion>1.1</jspversion>
<shortname>testTld</shortname>
<info>Testing jsp tags</info>
<tag>
<name>tagError</name>
<tagclass>com.tek271.testTags.TagError</tagclass>
<bodycontent>JSP</bodycontent> 
<info>Show a string as an error message</info>
<attribute>
<name>color</name>
<required>false</required>
</attribute>
</tag>
</taglib>
4.testJsp.jsp
<%@ taglib uri="/testTaglib" prefix="test" %>
<html>
<head>
<title>Testing Tag Library</title>
</head>
<body>
<test:tagError>Invalid user name</test:tagError>
<test:tagError color="blue">Invalid Password</test:tagError>
</body>
</html>
but i am getting the following error.
Apache Tomcat/4.0.3 - HTTP Status 500 - Internal Server Error
type Exception report
message Internal Server Error
description The server encountered an internal error (Internal Server Error) that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: File "/testTaglib" not found
at org.apache.jasper.compiler.TagLibraryInfoImpl.(TagLibraryInfoImpl.java:214)
at org.apache.jasper.compiler.TagLibraryInfoImpl.(TagLibraryInfoImpl.java:174)
at org.apache.jasper.compiler.JspParseEventListener.processTaglibDirective(JspParseEventListener.java:1162)
at org.apache.jasper.compiler.JspParseEventListener.handleDirective(JspParseEventListener.java:758)
at org.apache.jasper.compiler.DelegatingListener.handleDirective(DelegatingListener.java:121)
at org.apache.jasper.compiler.Parser$Directive.accept(Parser.java:255)
at org.apache.jasper.compiler.Parser.parse(Parser.java:1145)
at org.apache.jasper.compiler.Parser.parse(Parser.java:1103)
at org.apache.jasper.compiler.Parser.parse(Parser.java:1099)
at org.apache.jasper.compiler.ParserController.parse(ParserController.java:213)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:210)
at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:552)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:177)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:189)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2343)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1012)
at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1107)
at java.lang.Thread.run(Thread.java:536)
why is it like this ?please give me a solution.
Thanking in advance.
From
Vinod A.

Dear patreck ,
It does not work.
I have replaced the line
<%@ taglib uri="/testTaglib" prefix="test" %>
with
<%@ taglib uri="WEB-INF/tlds/testTaglib" prefix="test" %>
but now it shows the error ,
description The server encountered an internal error (Internal Server Error) that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: File "/testTags/WEB-INF/tlds/testTaglib" not found
any more suggestion ?
From Vinod A.

Jsp include tag 1.1

Hi all,
i am getting the following error if my code snippet has a <jsp:include> tag
org.apache.jasper.JasperException: Invalid jsp:include tag
i am using VAJ3.5.3 and i modified the hosts file to support jsp1.1.
But when i change to jsp1.0 the code works fine and fetching me the page contents.
Need inputs.
Regards
Ramesh Kesavanarayanan

Hi kesavramesh,
I think some time ago, you're looking for something like this
- Can I use jsp includes inside the taglib ?-
See point 1 and 2.
-- Paul
1. link:
http://www.jguru.com/faq/view.jsp?EID=115446
2. text from the link:
Normally when you call one JSP page from another you have no significant access to the result of the called JSP. So if I have
Hi, I like nice clean JSP output
<jsp:include page="gobbledegook.jsp" flush="true"/>
Doh!
When it would be much nicer to be able to do this:
<%@ taglib uri="blahblah" prefix="myTags"%>
Hi, I like nice clean JSP output
<myTags:cleanUp>
<jsp:include page="gobbledegook.jsp" flush="true"/>
</myTags:cleanUp>
Wahoo!
This can be accomplish with the tag class:
public class TakeOutTheTrashTag extends BodyTagSupport
public int doStartTag() throws JspTagException
return EVAL_BODY_TAG;
public int doAfterBody() throws JspTagException
try {
if (bodyContent != null) {
String messy = bodyContent.getString();
String clean = takeOutTheTrash(messy);
bodyContent.getEnclosingWriter().print(clean);
} catch (IOException ie) {}
return EVAL_PAGE;
public int doEndTag() throws JspTagException
return EVAL_PAGE;
private String takeOutTheTrash(String messy)
String cleanedUp = messy;
return cleanedUp;

Code Completion on portal jsps & htmlb

Hello,
what I have to do to use the code completion within a portal JSP file ?
The htmlb taglib is referenced in te portalapp.xml as follows:
<property name="tagLib" value="/SERVICE/htmlb/taglib/htmlb.tld"/>
Are there other settings needed for the project in the NDS ? The help is only referencing the standard web.xml
Thanks.

Hi Christian,
 You have to add a reference in JSP as well. Here is a sample portalapp.xml and a .jsp page.
Portalapp.xml
<?xml version="1.0" encoding="utf-8"?>
<application>
<application-config>
 <property name="PrivateSharingReference" value="com.sap.portal.htmlb"/>
 </application-config>
<components>
 <component name="display">
 <component-config>
 <property name="ClassName" value="nasa.ifmp.testjsp.display"/>
 <property name="SecurityZone" value="nasa.ifmp.testjsp/high_safety"/>
 </component-config>
 <component-profile>
 <property name="tagLib" value="/SERVICE/htmlb/taglib/htmlb.tld"/>
 </component-profile>
 </component>
</components>
<services/>
</application>

JSP Page
<%@ taglib uri="tagLib" prefix="hbj" %>
<hbj:content
 id="myContext">
<script LANGUAGE="JavaScript" TYPE="text/JavaScript">
function alertSelectedRadio(){
var funcName = htmlb_formid+"_getHtmlbElementId";
func = window[funcName];
alert(func);
var radiobutton = eval(func(htmlb_radiobuttonmodifier+"radiobutton"));
alert(radiobutton);
</script>
 <hbj:document>
 <hbj:documentHead
 title="test">
 </hbj:documentHead>
 <hbj:documentBody>
 <hbj:form
 id="simpleForm">
 <hbj:radioButtonGroup
 id="TestRadioGroup"
 columnCount="2"
 selection="rb_fem">
 <hbj:radioButton
 id="TestRadioButton1"
 text="female"
 key="rb_fem"
 tooltip="I am female"
 jsObjectNeeded="TRUE"
 disabled="false"
 />
 <hbj:radioButton
 id="TestRadioButton2"
 text="male"
 key="rb_male"
 tooltip="I am male"
 jsObjectNeeded="TRUE"
 disabled="false"
 />
 </hbj:radioButtonGroup>
 
 <hbj:button
 id="SubButton"
 text="Submit"
 tooltip="Sends your info"
 onClientClick="alertSelectedRadio()"
 width="30px"
 design="EMPHASIZED"
 jsObjectNeeded="true">
 </hbj:button>
 </hbj:form>
 </hbj:documentBody>
 </hbj:document>
</hbj:content>

JSP HTMLB tags/Taglib

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