Custom tag library problem

I created a workspace with two projects in it.
In the first project I realized a tag library with its deployment descriptor.
In the second project I realized a .war component with a jsp that uses the tag in the library.
In the .war deployment descriptor I choosed the library deployment descriptor in the Profile Dependencies page.
When I deploy my .war (alone or in an .ear) file I properly find the library .jar file in it but in this .jar file there isn't any .class file.
Where are my tag handlers? If I deploy the tag library alone the .class files are there so I can replace the library .jar file created in the .ear and all works properly.
I tried creating a third project that include the .war in its .ear, but I cannot include my tag library .jar because it's not listed in the Application Assembly page.
Thank you
Andrea Mattioli

I found the bug! Its in greeting.jsp ...
Instead of
<tw:greeting />
I typed....
<tw.greeting />
which resulted in the the custom tag not being called! That was the source of my problem.
Thanks,
Joe!

Similar Messages

Problem in using jsp 1.1 custom tag library in websphere

I am using was 3.5.2. Everything has been installed properly. I am using jdeveloper 3.2 for building the jsp application using custom tag library. But when I run the jsp file in browser, its gives dr. watson on java.exe. I am using websphere 3.5.2 application server.
Have any body got this type of prob. ...
pls respond asap.
Thanks in Advance
Yogesh

Let me explain the problem again
I am using was(websphere) 3.5.2. Everything has been installed properly. I am using jdeveloper 3.2 for building the jsp application using custom tag library.
Application works fine in JDeveloper 3.2.
Application works fine even when deployed on JRun 3.0. ( we are evaluating various web servers).
How when deployed on WAS and I run the jsp file in browser, its gives dr. watson on java.exe. I am using websphere 3.5.2 application server.
WAS has typical settings as against JRun and Tomcat and may be I have not set the necessary paths.
Have any body got this type of prob. ...
pls respond asap.
Thanks in Advance
Yogesh
null

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;
* <p>JSP tag connection, used to get a
* java.sql.Connection object.</p>
* <p>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;
* <p>JSP tag closeconnection, used to close the
* specified java.sql.Connection.<p>
* <p>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

Simultaneous Client and Server Form Validation using Custom Tag Library

I am developing a custom tag library for validator tags
which are capable of doing client side validation (Javascript)
and server side (Java). My problem is with the development
of a regular expression based validator. Because of differences
in the way Javascript and Java handle regular expressions
i can not use the same regular expression for both types of
validation. Is there any way to convert a valid regular
expression from the java.util.regex format into the Javascript
format or vice versa? My major problems are with the (or, ||)
statements and the user of backslashes.

If you are speaking of RE syntax flavours, they are basically the same(namely perl5 flavour). Any expression that works in JS should work in j.u.regex too.
Though, their usage is quite different.
So, there is no need for convertion of expressions.
But porting the code may be not so trivial.

Custom tag library called multiple times

Hi ppl ,
I have a custom tag library which i use to populate some menu components. When i do call my custom tag library though , it is called multiple times, use case is as follows.
I have menu tabs and menu bars which thanks to Mr.Brenden is working splendidly as so:-
<af:menuTabs>
<af:forEach var="menuTab" items="#{bindings.menu.vwUserMenuTabRenderer.rangeSet}">
<af:commandMenuItem text="#{menuTab.MenuLabel}"
shortDesc="#{menuTab.MenuHint}"
rendered="true"
immediate="true"
selected="#{sessionScope.selectedMenuId == menuTab.MenuId }"
onclick="fnSetSelectedValue('#{menuTab.MenuId}')" >
</af:commandMenuItem>
</af:forEach>
</af:menuTabs>
<af:menuBar>
<af:forEach var="menuBar" items="#{bindings.menu.vwUserMenuBarRenderer.rangeSet}">
<af:commandMenuItem onclick="return clickreturnvalue()"
onmouseover="dropdownmenu(this, event,#{menuBar.MenuId}, '150px')"
onmouseout="delayhidemenu()"
text="#{menuBar.MenuLabel}"
action="#{menuBar.MenuUri}"
rendered="#{menuBar.ParentId == sessionScope.selectedMenuId}"
immediate="true" />
</af:forEach>
</af:menuBar>
</afc:cache>
now all of this code is within a subview , and just directly below the subview tag , i have the call to my custom tag library:-
<myCustomTagLib:menuCascade />
only issue now is that assuming i have in all 7 menu bar components, the doStartTag is called 7 times. the relevant code within my custom tag class is as follows :-
public int doStartTag() throws JspException {
return (EVAL_BODY_INCLUDE);
public int doEndTag() throws JspException {
try {
declareVariables();
return EVAL_PAGE;
}catch (Exception ioe) {
throw new JspException(ioe.getMessage());
and within my declareVariables method i do an out of the jscript ( out.print(jscript.toString()); ) which is a simple string generated based on certain conditions...
now it seems to be working fine on the front end , but when i view the source of the page, i notice that the declaration is called multiple times, and this happens because the doStartTag method is called multiple times, i haven't even nested the call to the custom tag within the menu components , any clue as to whats going wrong ?
Cheers
K

Hi,
if you add the following print statement
System.out.println("rendering "+FacesContext.getCurrentInstance().getViewRoot().getViewId());
Then the output in my case is
07/04/24 08:14:04 rendering /BrowsePage.jsp
07/04/24 08:14:05 rendering /otn_logo_small.gif
The image comes from the file system, which means it is rendered by the JSF lifecycle. If you reference the image with a URL then the lifecycle doesn't render the image but only refrences it.
To avoid your prepare render code to be executed multiple times, just check for jsp and jspx file extensions, which will guarantee that your code only executes for JSF pages, not for loaded files.
The reason why this happens is because the JSF filter is set to /faces , which means all files that are loaded through that path
Frank

Custom Tag Library - error in IWS

My environment: Solaris 2.7, IWS4.1 SP3.
I currently try to run the Custom Tag Library example from IWS itself in
server_root/plugins/samples/servlets/taglibs. I follow the instructions to
config the IWS but fail to run the example. I turn on JSP debugging and
find the following error messages:
[12/Oct/2000:13:03:10] info (28609): Service(): uri=/jsps/test-tags.jsp
cgiScriptName=/jsps/test-tags.jsp token=null cached=false
[12/Oct/2000:13:03:10] info (28609): Internal Info: loading servlet
/jsps/test-tags.jsp
[12/Oct/2000:13:03:10] info (28609): JSP: This is a jsp 1.x file
[12/Oct/2000:13:03:10] info (28609): JSP: Before JSP1x compiler.compile,
servletName = /jsps/test-tags.jsp servletPath =
/u01/devin/docs/jsps/test-tags.jsp & dir = ../ClassCache
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace: Package name is:
jsps.jsps
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace: Class name is:
test0002dtags_jsp
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace: Java file name is:
/opt/netscape/server4/https-devin/config/../ClassCache/_jsps/_jsps/_test_000
2dtags_jsp.java
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace: Class file name is:
/opt/netscape/server4/https-devin/config/../ClassCache/_jsps/_jsps/_test_000
2dtags_jsp.class
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace:
Handling Directive: page {language=java}
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace: Accepted
org.apache.jasper.compiler.Parser$Directive at /jsps/test-tags.jsp(0,0)
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace:
Handling Directive: taglib {uri=/jsps/test-tags.jar, prefix=tt}
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace: Copying
/jsps/test-tags.jar into
/opt/netscape/server4/https-devin/config/../ClassCache//jsps/test-tags.jar
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace: Adding jar
/opt/netscape/server4/https-devin/config/../ClassCache//jsps/test-tags.jar
to my classpath
[12/Oct/2000:13:03:10] info (28609): Aborting JVM
[12/Oct/2000:13:03:10] info (28609): Exiting JVM due to: jvm_abort () and
jvm.exitOnAbort > 0
[12/Oct/2000:13:03:10] info (28609): JVM exit statistics:
AttachedThreads/Max=1/1, ActiveThreads/Max=1/1
[12/Oct/2000:13:03:11] info (28716): Initializing MMapSession Manager to
hold a maximum of (1000) sessions, each of which can store a maximum of
(100) values and no value size bigger than (1024) bytes, with a timeout
value of (1800) seconds
IWS keeps aborting JVM and one can see from the log that it abort jvm when
trying to :
[12/Oct/2000:13:03:10] info (28609): JSP1x Jasper Trace: Adding jar
/opt/netscape/server4/https-devin/config/../ClassCache//jsps/test-tags.jar
to my classpath
[12/Oct/2000:13:03:10] info (28609): Aborting JVM
I have tried another much simple Custome Tag Library example that only contain a simple tag that do output to page, but still getting the same error.

I had the same issue with WAS 6.1.0.2. I do not have a solution, but a workaround. I hope the workaround I have works for you too.
In my case, I have the TLD files deployed in a jar. So, the JSP 2.0 container is supposed to read those TLD files from the jar file. Since that was not happening, I extracted the TLD file from the jar file and placed it under my web project's WEB-INF folder.
I restarted my server and after that it worked.
Look at the IBM site to see if they have come up with a patch for WAS 6.0.
Hope this helps.
-Javier

Trying to create custom tag library

I'm a novice trying to create a simple custom tag library application. As such I need a couple import statements like
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext;
This statements will not compile. I'm using Java 2 1.4_03 and WSDP 1.3. My CLASSPATH currently holds
c:\jwsdp\common\lib\servlet-api.jar
and
c:\j2sdk\lib\mysql-connector-java-3.0.11-stable-bin.jar.
I've got JAVA_HOME set to c:\j2sdk and JWSDP_HOME set to c:\jwsdp.
Thank you very much for any assistance you are able to render.

Thanks for your reply. I'm using the TextPad editor, which uses CLASSPATH.
I've figured out the answer. I needed to add
c:\jwsdp\common\lib\jsp-api.jar
to my CLASSPATH.
Again, thanks.

Problem using custom tag library in portlet's jsp

Hi,
I created a custom portlet (a JSR 168 portlet) and I'm using a tag library that I previously developed. Normally it works fine, but sometimes I get a ClassCastException. Once I redeploy the portlet everything works again. This is Oracle Portal 10.1.4.
Has anybody encountered similar problems?
Here's the exception:
taglib exception:
java.lang.ClassCastException at timecardreminderportlet.html._view._jspService(_view.java:201) at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56) at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:350) at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509) at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824) at com.evermind.server.http.ServletRequestDispatcher.include(ServletRequestDispatcher.java:121) at oracle.webdb.wsrp.server.RequestDispatcherImpl.include(Unknown Source) at org.mitre.isis.trs.reminder.portlet.TimecardReminderPortlet.doDispatch(TimecardReminderPortlet.java:108) at javax.portlet.GenericPortlet.render(Unknown Source) at oracle.webdb.wsrp.server.Server.getMarkup(Unknown Source) at oracle.webdb.wsrp.WSRP_v1_Markup_PortType_Tie.invoke_getMarkup(WSRP_v1_Markup_PortType_Tie.java:224) at oracle.webdb.wsrp.WSRP_v1_Markup_PortType_Tie.processingHook(WSRP_v1_Markup_PortType_Tie.java:499) at com.sun.xml.rpc.server.StreamingHandler.handle(StreamingHandler.java:230) at com.sun.xml.rpc.server.http.ea.JAXRPCServletDelegate.doPost(JAXRPCServletDelegate.java:153) at com.sun.xml.rpc.server.http.JAXRPCServlet.doPost(JAXRPCServlet.java:69) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65) at oracle.webdb.wsrp.server.ContextFilter.doFilter(Unknown Source) at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:663) at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330) at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:224) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:133) at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192) at java.lang.Thread.run(Thread.java:534)

Hi,
I created a custom portlet (a JSR 168 portlet) and I'm using a tag library that I previously developed. Normally it works fine, but sometimes I get a ClassCastException. Once I redeploy the portlet everything works again. This is Oracle Portal 10.1.4.
Has anybody encountered similar problems?
Here's the exception:
taglib exception:
java.lang.ClassCastException at timecardreminderportlet.html._view._jspService(_view.java:201) at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56) at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:350) at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509) at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824) at com.evermind.server.http.ServletRequestDispatcher.include(ServletRequestDispatcher.java:121) at oracle.webdb.wsrp.server.RequestDispatcherImpl.include(Unknown Source) at org.mitre.isis.trs.reminder.portlet.TimecardReminderPortlet.doDispatch(TimecardReminderPortlet.java:108) at javax.portlet.GenericPortlet.render(Unknown Source) at oracle.webdb.wsrp.server.Server.getMarkup(Unknown Source) at oracle.webdb.wsrp.WSRP_v1_Markup_PortType_Tie.invoke_getMarkup(WSRP_v1_Markup_PortType_Tie.java:224) at oracle.webdb.wsrp.WSRP_v1_Markup_PortType_Tie.processingHook(WSRP_v1_Markup_PortType_Tie.java:499) at com.sun.xml.rpc.server.StreamingHandler.handle(StreamingHandler.java:230) at com.sun.xml.rpc.server.http.ea.JAXRPCServletDelegate.doPost(JAXRPCServletDelegate.java:153) at com.sun.xml.rpc.server.http.JAXRPCServlet.doPost(JAXRPCServlet.java:69) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65) at oracle.webdb.wsrp.server.ContextFilter.doFilter(Unknown Source) at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:663) at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330) at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:224) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:133) at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192) at java.lang.Thread.run(Thread.java:534)

Custom Tag Capitalization Problem..

All,
          OS: Windows 2000
          App Server: Weblogic 6.0 sp 2
          JDK: 1.3 (and tried 1.3.1)
          I have a set of custom tags that run fine when I use them on an app server (such as Enhydra) with JDK 1.2.2, but when I switch to JDK 1.3.x, which weblogic 6.x requires, they suddenly start generating errors with attributes which have capitalized letters in them. For example, in my taglib I have:
          <attribute>
          <name>closeConnection</name>
          <required>false</required>
          <rtexprvalue>true</rtexprvalue>
          </attribute>
          and in the support class I have:
          * Get the value of closeConnection.
          * @return value of closeConnection.
          public boolean getCloseConnection() {
          return closeConnection;
          * Set the value of closeConnection.
          * @param v Value to assign to closeConnection.
          public void setCloseConnection(String v) {
          if(v.toUpperCase().equals("TRUE")){
          this.closeConnection = true;
          } else {
          this.closeConnection = false;
          When I go to the page that this tag is on, I get the following output:
          Parsing of JSP File '/index.jsp' failed:
          /index.jsp(1): Error in using tag library uri='/cwerks' prefix='cwerks': There is no setter method for property 'closeconnection', for Tag class 'net.cwerks.taglib.MyTag'
          probably occurred due to an error in /index.jsp line 1:
          <%@ taglib uri="/cwerks" prefix="cwerks" %>
          Thu Aug 02 19:06:52 PDT 2001
          Note that the 'closeconnection' is all lowercase despite the fact that it is upper case in the tld and in the class itself.
          I came across a similar problem in weblogic 5.1 when I upgraded from JDK 1.2.2 to JDK 1.3. I tried changing the JDK for weblogic 6.0 sp 2 to 1.2.2, but a dll was missing. I also tried switching it to 1.3.1, but that did not help. It seems like introspection may have changed slightly between the two version. I'm shocked, and a bit suspicious, that I haven't seen this problem all over the newsgroups. Anyone else seen this?
          Thank you,
          Carson Gross
          [email protected]
          [att1.html]


A solution presents itself:
          The problem was NOT with capitalization. Instead, the problem was as
          follows:
          My method was for setting a boolean, but I took a string so that people
          wouldn't have to type:
          <mytags:tag foo="<%=true%>" />
          instead, they could type:
          <mytags:tag foo="true" />
          which would call the setter method with a string "true", which would be then
          converted to a boolean within my class.
          So my setter has this signature:
          public void setFoo(String s)
          and my getter has this signature:
          public boolean getFoo() /* I know this isn't standard, but isFoo doesn't
          sound good to me*/
          I can't tell if it's because JavaBeans changed slightly between jdk 1.2.2
          and 1.3.x, or if Weblogic changed the way that they do things (I suspect the
          latter, since I had things working fine in WL 5.2 w/ jdk 1.2.2 and then
          things broke with WL 5.2 w/ jdk 1.3), but this no longer returns foo as a
          valid property to be set, and since weblogic 6.x relies on JavaBeans,
          instead of straight up introspection, it barfs. (I found this out by using
          jad/emacs, a wicked combination for those who want to poke around in jars).
          Anyway, I hope I can save someone else who has this same, albeit
          specialized, problem a lot of pain by my discovery. Your getters and
          setters better be of the same type with custom tags, or weblogic w/ jdk1.3.x
          is gonna barf when parsing the tld.
          Cheers, and thank God that's behind me,
          Carson Gross
          [email protected]
          ====================================================
          "Carson Gross" <[email protected]> wrote in message
          news:[email protected]...
          The plot grows thicker...
          The tags work fine on Tomcat 3.2.2
          I deploy the example tags that came with wl60 that have more than one
          capital letter in thier attributes, and they work fine. But my tag library
          stubbornly insists on not working so long as I keep the attributes with more
          than one capital letter in. If I remove the offending attributes, or change
          them to have only one capital letter, they work, but this is not an
          acceptable solution. (I guess.)
          I even created an simple introspection class to make sure that the acutal
          methods were there. They were.
          I am at a complete loss here... I guess it's tomcat for now.
          Cheers,
          Carson Gross
          [email protected]
          "Carson Gross" <[email protected]> wrote in message
          news:[email protected]...
          All,
          OS: Windows 2000
          App Server: Weblogic 6.0 sp 2
          JDK: 1.3 (and tried 1.3.1)
          I have a set of custom tags that run fine when I use them on an app server
          (such as Enhydra) with JDK 1.2.2, but when I switch to JDK 1.3.x, which
          weblogic 6.x requires, they suddenly start generating errors with attributes
          which have capitalized letters in them. For example, in my taglib I have:
          <attribute>
          <name>closeConnection</name>
          <required>false</required>
          <rtexprvalue>true</rtexprvalue>
          </attribute>
          and in the support class I have:
          * Get the value of closeConnection.
          * @return value of closeConnection.
          public boolean getCloseConnection() {
          return closeConnection;
          * Set the value of closeConnection.
          * @param v Value to assign to closeConnection.
          public void setCloseConnection(String v) {
          if(v.toUpperCase().equals("TRUE")){
          this.closeConnection = true;
          } else {
          this.closeConnection = false;
          When I go to the page that this tag is on, I get the following output:
          Parsing of JSP File '/index.jsp' failed:
          /index.jsp(1): Error in using tag library uri='/cwerks' prefix='cwerks':
          There is no setter method for property 'closeconnection', for Tag class
          'net.cwerks.taglib.MyTag'
          probably occurred due to an error in /index.jsp line 1:
          <%@ taglib uri="/cwerks" prefix="cwerks" %>
          Thu Aug 02 19:06:52 PDT 2001
          Note that the 'closeconnection' is all lowercase despite the fact that it is
          upper case in the tld and in the class itself.
          I came across a similar problem in weblogic 5.1 when I upgraded from JDK
          1.2.2 to JDK 1.3. I tried changing the JDK for weblogic 6.0 sp 2 to 1.2.2,
          but a dll was missing. I also tried switching it to 1.3.1, but that did not
          help. It seems like introspection may have changed slightly between the two
          version. I'm shocked, and a bit suspicious, that I haven't seen this
          problem all over the newsgroups. Anyone else seen this?
          Thank you,
          Carson Gross
          [email protected]

Import Tag library problem in JDeveloper 10.1.3.3.0

I want to have an FCKEditor on a JHeadstart generated page, so I downloaded the FCKFaces jar with the tag library in it.
When I try to add the FCKFaces tag library to my project, doing just that and not modifying any code, when I run my application after that I get an empty page... No data in the project. This is very confusing because everything works well, no code errors, the fck library is found and auto completion works with the library.
So when I have the empty page, to view the JHeadstart page again I just have to shut down JDeveloper, go to the project/web-inf/lib directory and delete the FCKFaces jar. When I do that and start up again, the page loads successfully.
Thanks for the help in advance..

Thanks for your reply.
I tried your solution but still the same problem remains.. I don't have a clue what's wrong with the project, everything works well except for that the page's aren't rendered on execution.

JSP Custom tag uri problem

I'm using custom tags in my app (JSP 1.2). My tld is located in WEB-INF/tlds (not packaged in a JAR), meaning that the uri in the tld file should be picked up by JSP 1.2's autodiscovery. This works fine in actual deployment, but Nitrox claims that:
"The tag library uri "mytaglib" cannot be mapped to an existing tld file. "
when I attempt to reference it as follows from within my jsps:
<%@ taglib uri="mytaglib" prefix="m" %>
Do you know if this is a bug, or have any suggestions as to why the tld uri isn't being picked up by Nitrox?
Thanks,
John

This is a known (kind of) issue. There are 2 easy workarounds:
1- Specify the path to the tld file in the uri attribute. For example:
<%@ taglib uri="/WEB-INF/mytaglib.tld" prefix="m" %>
2- Map the tld file in web.xml. For example:
<taglib>
<taglib-uri>mytaglib</taglib-uri>
<taglib-location>/WEB-INF/mytaglib.tld</taglib-location>
</taglib>
M7 Support

Newbie - JSP and TAG library problem

I am trying to execute a JSP program on a server with
jakarta-tomcat-4.1.29.
Here is a program:
<%@ taglib uri="testTagURL" prefix="testTagPrefix" %>
<testTagPrefix:myFirstTag/>
in web.xml I have definition:
<taglib>
<taglib-uri>testTagURL</taglib-uri>
<taglib-location>/WEB-INF/tld/testTag.tld</taglib-location>
</taglib>
I have testTag.tld file located at: /WEB-INF/tld
When I execute my program I am getting:
org.apache.jasper.JasperException: File "/test-jsp/testTagURL" not
found
My question: how come my program is looking for "/test-jsp/testTagURL" and
not for "/WEB-INF/tld/testTag.tld"?
Thanks,
Zalek

means what it says.
If you look in the file WEB-INF/displaytag.tld you'll see it
has a definition for a custom tag, I'm guessing it's called column.
The tld states that this tag has an attribute called "value". ie that
in a jsp file you would write
<display:column value="SomeSuperValue" /> However the java class that implements that custom tag
does not have a setter method for value. ie. the class
org.displaytag.tags.ColumnTag is missing the method
public void setValue(String value) { .... }

Error using custom tag library

Hi All,
          I am getting the following error:
          On the browzer page when I invoke the foo.jsp page containing a tag
          library.
          Parsing of JSP File '/jsp/foo.jsp' failed:
          /jsp/foo.jsp(7): Could not parse deployment descriptor:
          org.xml.sax.SAXParseException: Could not parse taglib, starting at
          line 5
          probably occurred due to an error in /jsp/foo.jsp line 7:
          <%@ taglib uri="example-taglib.tld" prefix="eg" %>
          Wed Mar 27 13:17:49 PST 2002
          The configutation is as follows
          Foo.jsp in documentRoot/jsp
          tld file in documentRoot/WEB-INF
          class files in documentRoot/WEB-INF/classes/examples.
          The server is spitting out the following code:
          weblogic.servlet.jsp.JspException: (line 7): Could not parse
          deployment descript
          or: org.xml.sax.SAXParseException: Could not parse taglib, starting at
          line 5
          at java.lang.Throwable.fillInStackTrace(Native Method)
          at java.lang.Throwable.fillInStackTrace(Compiled Code)
          at java.lang.Throwable.<init>(Compiled Code)
          at java.lang.Exception.<init>(Compiled Code)
          at java.lang.RuntimeException.<init>(RuntimeException.java:47)
          at weblogic.servlet.jsp.JspException.<init>(JspException.java:9)
          Can anyone help me with this ?
          Thanks for your help!!
          SundayFunday!


Could anyone please let me know what is going on here?
          SundayFunday!
          [email protected] (SundayFunday) wrote in message news:<[email protected]>...
          > Can anyone help me with this?!!
          >
          > Thanks!
          >
          > Sundayfunday.
          >
          > [email protected] (SundayFunday) wrote in message news:<[email protected]>...
          > > Hi All,
          > >
          > > I am getting the following error:
          > >
          > > On the browzer page when I invoke the foo.jsp page containing a tag
          > > library.
          > >
          > > Parsing of JSP File '/jsp/foo.jsp' failed:
          > > --------------------------------------------------------------------------------
          > > /jsp/foo.jsp(7): Could not parse deployment descriptor:
          > > org.xml.sax.SAXParseException: Could not parse taglib, starting at
          > > line 5
          > > probably occurred due to an error in /jsp/foo.jsp line 7:
          > > <%@ taglib uri="example-taglib.tld" prefix="eg" %>
          > > --------------------------------------------------------------------------------
          > > Wed Mar 27 13:17:49 PST 2002
          > >
          > >
          > >
          > > The configutation is as follows
          > >
          > > Foo.jsp in documentRoot/jsp
          > >
          > > tld file in documentRoot/WEB-INF
          > > class files in documentRoot/WEB-INF/classes/examples.
          > >
          > >
          > >
          > > The server is spitting out the following code:
          > >
          > > weblogic.servlet.jsp.JspException: (line 7): Could not parse
          > > deployment descript
          > > or: org.xml.sax.SAXParseException: Could not parse taglib, starting at
          > > line 5
          > > at java.lang.Throwable.fillInStackTrace(Native Method)
          > > at java.lang.Throwable.fillInStackTrace(Compiled Code)
          > > at java.lang.Throwable.<init>(Compiled Code)
          > > at java.lang.Exception.<init>(Compiled Code)
          > > at java.lang.RuntimeException.<init>(RuntimeException.java:47)
          > > at weblogic.servlet.jsp.JspException.<init>(JspException.java:9)
          > >
          > >
          > > Can anyone help me with this ?
          > >
          > > Thanks for your help!!
          > >
          > > SundayFunday!

How to use the JRun Custom tag library wiith Weblogic 5.1?

Hello,
is it possible to use the JRUN Tag Library with Bea Weblogic 5.1? We
got an error message like:
weblogic.servlet.jsp.JspException: (line -1): Error in tag library at:
'jrun': T
here is no setter method for property 'code', for Tag class
'allaire.taglib.Serv
letTag'
Thank you for any info!
Stefan

Hi Joe,
I don't know, however someone that follows the JSP newsgroup [1] may be
able to help. Could you try your post there.
Thanks,
Bruce
[1]
http://newsgroups.bea.com/cgi-bin/dnewsweb?cmd=xover&group=weblogic.developer.interest.jsp
Joe Kamenar wrote:
>
I have a question. I need to do a sort on news articles in our database, sorting
by the date they were posted. I then want to take only the top 6 articles. We
are using Weblogic 5.1. When I use the following statement, 6 articles are taken
from the database, then sorted, which ends up leaving out the most recent articles:
<cm:select contentHome="com.beasys.commerce.axiom.document.Document" query="<%=contentQuery%>"
sortby = "creationDate DESC, headlineDate DESC" max="6" id="contentList" />
I need to get ALL the articles for the sort, then just take the most recent 6.
So, I know that I can use the following code and monitor the counter variable,
"i". But, how do i do this to only display the top 6 items?
<es:foreachinarray id="content" array="contentList" type="com.beasys.commerce.axiom.content.Content"
counterId="i">
<% myStr=content.getIdentifier(); %>
<% if (i<6) {
%>
<div class="marginText">
<cm:printproperty id="content" name="title" encode="html" />
<a href="<%=new String(news_display.jsp?id="+myStr)%">">more</a>
</div>
<% } %>
</es:foreachinarray>
However, when I run this, no results show up. What is the correct way to do this?
- Joe</a>

How to use the JRun Custom tag library with Weblogic 5.1?

Hello,
          is it possible to use the JRUN Tag Library with Bea Weblogic 5.1? We
          got an error message like:
          weblogic.servlet.jsp.JspException: (line -1): Error in tag library at:
          'jrun': T
          here is no setter method for property 'code', for Tag class
          'allaire.taglib.Serv
          letTag'
          Thank you for any info!
          Stefan


Hi Joe,
I don't know, however someone that follows the JSP newsgroup [1] may be
able to help. Could you try your post there.
Thanks,
Bruce
[1]
http://newsgroups.bea.com/cgi-bin/dnewsweb?cmd=xover&group=weblogic.developer.interest.jsp
Joe Kamenar wrote:
>
I have a question. I need to do a sort on news articles in our database, sorting
by the date they were posted. I then want to take only the top 6 articles. We
are using Weblogic 5.1. When I use the following statement, 6 articles are taken
from the database, then sorted, which ends up leaving out the most recent articles:
<cm:select contentHome="com.beasys.commerce.axiom.document.Document" query="<%=contentQuery%>"
sortby = "creationDate DESC, headlineDate DESC" max="6" id="contentList" />
I need to get ALL the articles for the sort, then just take the most recent 6.
So, I know that I can use the following code and monitor the counter variable,
"i". But, how do i do this to only display the top 6 items?
<es:foreachinarray id="content" array="contentList" type="com.beasys.commerce.axiom.content.Content"
counterId="i">
<% myStr=content.getIdentifier(); %>
<% if (i<6) {
%>
<div class="marginText">
<cm:printproperty id="content" name="title" encode="html" />
<a href="<%=new String(news_display.jsp?id="+myStr)%">">more</a>
</div>
<% } %>
</es:foreachinarray>
However, when I run this, no results show up. What is the correct way to do this?
- Joe</a>

Custom tag library problem

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