Jdeveloper - Tag libraries

I am trying to add some tag libraries to Jdev via the Tools --> Manage Libraries... option, but I get the following error in a popup:
======================================
java.lang.NullPointerException
     void oracle.ideimpl.palette.PaletteImpl.populate()
          PaletteImpl.java:240
     void oracle.ideimpl.palette.wizard.PagePanel.populatePageList()
          PagePanel.java:153
     void oracle.ideimpl.palette.wizard.PaletteDlg.invoke(oracle.ide.addin.Context)
          PaletteDlg.java:43
     boolean oracle.ideimpl.palette.wizard.PaletteWizardAddin.handleEvent(oracle.ide.IdeAction, oracle.ide.addin.Context)
          PaletteWizardAddin.java:90
     void oracle.ide.IdeAction$1.run()
          IdeAction.java:579
     void java.awt.event.InvocationEvent.dispatch()
          InvocationEvent.java:154
     void java.awt.EventQueue.dispatchEvent(java.awt.AWTEvent)
          EventQueue.java:337
     boolean java.awt.EventDispatchThread.pumpOneEventForHierarchy(java.awt.Component)
          EventDispatchThread.java:131
     void java.awt.EventDispatchThread.pumpEventsForHierarchy(java.awt.Conditional, java.awt.Component)
          EventDispatchThread.java:98
     void java.awt.EventDispatchThread.pumpEvents(java.awt.Conditional)
          EventDispatchThread.java:93
     void java.awt.EventDispatchThread.run()
          EventDispatchThread.java:85
======================================
Any ideas or suggestions?
Thanks,
Eric

Sorry: Jdev 9.0.3.1, Windows XP, Struts tag libraries

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JDeveloper project libraries and Maven dependencies

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Using the Apache Trinidad Maven JDev Plugin, I am wondering how JDeveloper project libraries and Maven dependencies are supposed to be related (or "matched", or "kept in sync", or "work together", or ...).
With the Maven settings.xml configured like this ...
<settings>

<localRepository>C:\my-maven-repository</localRepository>

</settings>... I tried this ...
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Maven version: 2.0.9
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questions:
(1) This seems to severely limit the options to share such a JDeveloper project file between developers in a team (e.g. using Subversion), because they would need their Maven repository and their JDeveloper project to be in the same (relative) location. Is this intended? Are there any options to work around these limitations?
(2) If a project evolves, and additional libraries need to be configured in a JDeveloper project, what would be the preferred approach to keep these in sync with Maven dependency configurations?
many thanks
Jan Vervecken

Hi Jan,
Yes, some of the current approach is not ideal.
+"Maven's primary goal is to allow a developer to comprehend the complete state of a development effort in the shortest period of time."+ - By having the pom.xml define for the project, I get the ability to run site goals, junit tests and other maven reports - get a feel for the project state. Even with a very basic pom.xml file containing the groupId, ArtifactId, version, SVN repository definition and the release plugin you gain the ability to use "mvn release:clean release:prepare" to help with tagging the source in SVN. These represent progress as up to this point the team has not had access to this.
+"Making the build process easy".+ - The approach does make the build part easier for JDeveloper 10.1.2. As a maven build, it is now possible to check the project into SVN and have it built by Bamboo, without having to include an installation of JDeveloper 10.1.2 (for library access) on the CI server.
+"If I understand correctly, in your approach, you are trying to keep both pom.xml and JDeveloper project files up-to-date manually?"+ - The only reason for keeping the JPR in sync with the pom.xml file is to allow the developers to still make use of features such as selecting run from the right click menu. At present, I am still slowly getting up to speed on how JDeveloper works and interacts with OC4J. Ultimately, you would want a maven plugin that will deploy the packaged WAR or EAR to the OC4J stand-alone or remote instance. This plugin would probably wrap the commands that the IDE uses, e.g.
If you right click on the deployment profile for a project (JDeveloper 10.1.2) and select the Platform > Standalone OC4J options, you find:
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${java} ${jvm.max.heap.size} -jar ${admin.jar}
${oc4j.url} ${username} ${password}
-deploy -file ${ear.file}
-deploymentName ${j2ee.app.name}
Binding Web Apps+
${java} -jar ${admin.jar}
${oc4j.url} ${username} ${password}
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${oc4j.web.site} ${j2ee.context.root}
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${dcm.servlet.url} ${username} ${password}
redeploy ${remote.oracle.home}
${ear.file} ${j2ee.app.name} ${oc4j.instance.name}
With a maven plugin- wrapping the deployment (possible even to the embedded OC4J) you could then look at get away without maintaining the libraries in the JPR. The JPR the becomes the configuration file for the IDE interaction only without affecting the build. For debugging, you can deploy to a standalone instance and start it using:
java -server -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=4000 -jar oc4j.jar
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Note, that the maven plugin development for the managing of these aspects should be easier with JDeveloper 11.1.1 and the integrated WLS.
Have you used this approach in a project that uses ADF Business Components? - Yes, I have used it on one of the smaller ADF projects that had already been produced by the team. This project has all the maven features and ability to deploy to the remotes AS via ant scripts. The approach worked in both the dev and test environments. However, for final deployment, I still used the deployment profile to be consistent with the rest of the team.
Regards,
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I have already started the execution of JSP engine in Oracle Stellent, and also could run the sample Tomcat web-application and basic JSPs in Oracle UCM. What I need to do, is to customize my JSP to be able to show/hide some content using Oracle Stellent.
I have a JSP, from web application, which is using some some tag-libraries from spring, etc.
+<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>+
+<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%>+
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+<%@ taglib prefix="security"+
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....and so on
I have checked in the above file, and when trying to preview in Oracle UCM, I get the following error:
Content Server Request Failed
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at org.apache.jasper.compiler.Parser.parseTaglibDirective(Unknown Source)
at org.apache.jasper.compiler.Parser.parseDirective(Unknown Source)
at org.apache.jasper.compiler.Parser.parseElements(Unknown Source)
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at org.apache.jasper.compiler.ParserController.doParse(Unknown Source)
at org.apache.jasper.compiler.ParserController.parse(Unknown Source)
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at org.apache.jasper.compiler.Compiler.compile(Unknown Source)
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at org.apache.jasper.JspCompilationContext.compile(Unknown Source)
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Edited by: 980473 on Jan 8, 2013 2:01 AM

Hi ,
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Jsp tag libraries

hi All,
I am receiving an error when i come to start a jsp page, it returns null pointer exception. so when I checked it is coming from the JSP tag Libraries. instead of the jsp libraries there is a null pointer exception . so any clue how to fix that ?
thanks
Amgad

Yes, marika, download the Jakarta JSTL implementation, unzip it, and put it everything in its /lib directory in your WEB-INF/lib. Then you can refer to the taglib in your JSPs like this:
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>That's all you need to do. No <taglib> in your web.xml or anything else. - MOD

Problem using JSTL tag libraries with OC4J 9.0.3

Hi
I'm using the JSTL tag libraries with OC4J 9.0.3. I'm using JDeveloper10.1.2. I put the fmt.tld and c.tld in the WEB-INF directory and I'm adding the jstl.jar and standard.jar library to the EAR file. Both tlds have:
<tlib-version>1.0</tlib-version>
<jsp-version>1.2</jsp-version>
And OC4J 9.0.3 is compatible with tlib version 1.0 and jsp version 1.2. When I run the web app I get:
OracleJSP: oracle.jsp.parse.JspParseException: Line # 1, <%@ taglib uri="/WEB-INF/fmt.tld" prefix="fmt"%>
Error: oracle.xml.parser.v2.XMLParseException ( /dataSource.jsp ):
line #:1 column #:48 : FIXED type Attribute value not equal to the default value 'http://java.sun.com/xml/ns/j2ee'.
line #:2 column #:18 : Attribute 'xmlns:xsi' used but not declared.
line #:3 column #:19 : Attribute 'xmlns:acme' used but not declared.
line #:4 column #:27 : Attribute 'xsi:schemaLocation' used but not declared.
line #:7 column #:16 : Attribute 'version' used but not declared.
line #:14 column #:15 : Invalid element 'tag-class' in content of 'tag', expected elements '[tagclass]'.
line #:14 column #:15 : Element 'tag-class' used but not declared.
line #:15 column #:18 : Invalid element 'body-content' in content of 'tag', expected elements '[tagclass]'.
line #:15 column #:18 : Element 'body-content' used but not declared.
line #:16 column #:15 : Invalid element 'attribute' in content of 'tag', expected elements '[tagclass]'.
line #:18 column #:12 : Invalid element 'type' in content of 'attribute', expected elements '[required, rtexprvalue]'.
line #:18 column #:12 : Element 'type' used but not declared.
line #:22 column #:15 : Invalid element 'attribute' in content of 'tag', expected elements '[tagclass]'.
line #:24 column #:12 : Invalid element 'type' in content of 'attribute', expected elements '[required, rtexprvalue]'.
line #:24 column #:12 : Element 'type' used but not declared.
line #:28 column #:15 : Invalid element 'attribute' in content of 'tag', expected elements '[tagclass]'.
line #:30 column #:12 : Invalid element 'type' in content of 'attribute', expected elements '[required, rtexprvalue]'.
line #:30 column #:12 : Element 'type' used but not declared.
line #:34 column #:15 : Invalid element 'attribute' in content of 'tag', expected elements '[tagclass]'.
line #:36 column #:12 : Invalid element 'type' in content of 'attribute', expected elements '[required, rtexprvalue]'.
Any ideas?

Hi
Thanks for the reply.
I tried it and I get the same error:
OracleJSP: oracle.jsp.parse.JspParseException: Line # 1, <%@ taglib uri="http://java.sun.com/jstl/fmt" prefix="fmt"%>
Error: oracle.xml.parser.v2.XMLParseException ( /dataSource.jsp ):
line #:1 column #:48 : FIXED type Attribute value not equal to the default value 'http://java.sun.com/xml/ns/j2ee'.
line #:2 column #:18 : Attribute 'xmlns:xsi' used but not declared.
line #:3 column #:19 : Attribute 'xmlns:acme' used but not declared.
line #:4 column #:27 : Attribute 'xsi:schemaLocation' used but not declared.
line #:7 column #:16 : Attribute 'version' used but not declared.
line #:14 column #:15 : Invalid element 'tag-class' in content of 'tag', expected elements '[tagclass]'.
line #:14 column #:15 : Element 'tag-class' used but not declared.
line #:15 column #:18 : Invalid element 'body-content' in content of 'tag', expected elements '[tagclass]'.
line #:15 column #:18 : Element 'body-content' used but not declared.
line #:16 column #:15 : Invalid element 'attribute' in content of 'tag', expected elements '[tagclass]'.
line #:18 column #:12 : Invalid element 'type' in content of 'attribute', expected elements '[required, rtexprvalue]'.
line #:18 column #:12 : Element 'type' used but not declared.
line #:22 column #:15 : Invalid element 'attribute' in content of 'tag', expected elements '[tagclass]'.
line #:24 column #:12 : Invalid element 'type' in content of 'attribute', expected elements '[required, rtexprvalue]'.
line #:24 column #:12 : Element 'type' used but not declared.
line #:28 column #:15 : Invalid element 'attribute' in content of 'tag', expected elements '[tagclass]'.
line #:30 column #:12 : Invalid element 'type' in content of 'attribute', expected elements '[required, rtexprvalue]'.
line #:30 column #:12 : Element 'type' used but not declared.
line #:34 column #:15 : Invalid element 'attribute' in content of 'tag', expected elements '[tagclass]'.
line #:36 column #:12 : Invalid element 'type' in content of 'attribute', expected elements '[required, rtexprvalue]'.

Frame work problem along with tag libraries...

Hi..
I am new to jsp and am making a project in it, I am following MVC architecture but my problem is i am unable to understand all this concept of frameworks like struts, spring etc... i need some help with what they actually are..??
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Hi,
I am experiencing a really weird situation here. When running a deployed EJB3 ear application in a JBoss 4.0.3sp1 application using Tomcat service 5.5.9, Jasper is unable to compile any JSP file using Tag Libraries. To be more precise, when generating the Java source file (looking in the 'work' directory) everything in the file after the first occurance of a Tag Library usage is commented out (with "//"), causing the Java source to be invalid and outputs an error when accessing the page via a browser saying:
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Hi,
I am experiencing a really weird situation here. When running a deployed EJB3 ear application in a JBoss 4.0.3sp1 application using Tomcat service 5.5.9, Jasper is unable to compile any JSP file using Tag Libraries. To be more precise, when generating the Java source file (looking in the 'work' directory) everything in the file after the first occurance of a Tag Library usage is commented out (with "//"), causing the Java source to be invalid and outputs an error when accessing the page via a browser saying:
"org.apache.jasper.JasperException: Unable to compile class for JSP
Generated servlet error:
Syntax error, insert "}" to complete ClassBody
Generated servlet error:
Syntax error, insert "}" to complete Block
Generated servlet error:
Syntax error, insert "finally" to complete TryStatement
Generated servlet error:
Syntax error, insert "}" to complete MethodBody"
etc... where every error row is a suggestion of steps to take to make the source file valid. (of course).
The Tag Library jar files are located in the web application WEB-INF/lib folder as they should be. The descriptive Tag Library Definition files (tld:s) are located in the WEB-INF folder and every JSP file references these tld files directly via this path (WEB-INF/).
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or if u have any new solutions also please tell me.
if anyone has idea about it please share.
regards,
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yes Mr.michael i checked with the help.sap.com site.but i cant get any sample code or solution.they have given the available tags and function of them in one line.no other details.
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What controls whats in the Tag Libraries View?

Hi,
I have a file which imports the following taglibs:
<%@ page language="java" errorPage="/error.jsp" pageEncoding="UTF-8" contentType="text/html; charset=utf-8" %>
<%@ taglib uri="http://www.springframework.org/tags/commons-validator" prefix="html" %>
<%@ taglib uri="http://www.springframework.org/tags" prefix="spring" %>
<%@ taglib uri="http://jakarta.apache.org/taglibs/request-1.0" prefix="r" %>
<%@ taglib uri="http://displaytag.sf.net/el" prefix="display" %>
<%@ taglib uri="http://struts-menu.sf.net/tag-el" prefix="menu" %>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jstl/fmt" prefix="fmt" %>
<%@ taglib uri="http://java.sun.com/jstl/sql" prefix="sql" %>
<%@ taglib uri="/oscache" prefix="cache" %>
<%@ taglib uri="http://www.opensymphony.com/sitemesh/decorator" prefix="decorator"%>
<%@ taglib uri="http://www.opensymphony.com/sitemesh/page" prefix="page"%>
[/code:1:619d89d208]
but for some reason only some of them show up in the tag libraries view and hence auto complete only works for some of them.
Where am I going wrong? I am using eclipse 3.1 with nitrox 411 build.
thanks, Andrew

>
NitroX resolves tag libraries based on the following
* .tld present in a jar file and the jar file configured for Project Libraries (Project > Properties > Java Build Path > Libraries). Then using <uri> value of .tld for "uri" attribute of <%@taglib..%>
This did not work for my web-projects with the 407 and 411 builds of NitroX. I had to change all my taglib references to the >
* .tld present at any level within WEB-INF folder and using .tld path for "uri" attribute of <%@taglib ..%>
method.
At the time I was working with Greg Stachnick over the phone and he confirmed that the "jar-<uri>" approach should have worked for me and was going to try and find out why it didn't. I'd like to change my code back to using the "jar-<uri>" method, but don't want to waste time trying and then having to revert back. Has anything changed in NitroX since those builds that might have fixed this problem?

Weblogic 8.1 Portal Tag Libraries

With Weblogic Portal 8.1 there is a jar file (portlet-container.jar) that seems to contain tag libraries, but there is no TLD for it. Does this exist someplace?

Its in META-INF directory in the jar.
Seenu.

Where is 'Tag Libraries Reference'?

I'm working my way through the JSP Primer for OC4J. Therein I find references to two documents - "Oracle 9iAS Containers for J2EE JSP Tag Libraries and Utilities Reference" and "Oracle9iAS Containers for J2EE Support for JavaServer Pages Reference".
I can't, however, find these documents anywhere on Metalink, OTN, or oracle.com. Can anyone point me to a URL where these can be found?

<BLOCKQUOTE><font size="1" face="Verdana, Arial, Helvetica">quote:</font><HR>Originally posted by Steve Button ([email protected]):
gday Barry -
I'll check into this for you. The various doc pieces we have for OC4J are all in the process of being being created and we're pushing completed pieces out whenever they are ready.
This might be one of those situation where we've 'forward declared' the docs you mentioned but they're not completed yet.
I'll post back here when I get an answer for you.
cheers!
-steve-<HR></BLOCKQUOTE>
Barry,
The docs you mentioned are in the final phase of review. They wiil be posted soon. thanks
-Prasad

Is there any substring adaptive TAG in Tag Libraries?

I need to change the only community title not community url using adaptive tag.
how i will use substring function in the following line.
<pt:logic.value pt:value="$subcommpg.title"/>

hi:
There are many tag-libraries to do what u want ,, for example here is a nice one :
http://displaytag.sourceforge.net/11/
this is for presenting data in tables useing display-tag-library
also u can use Jmaki ,, it is AJAX tags with many enhancements
https://ajax.dev.java.net/
But ,, the best solution is to use any IDE ,, the best is Sun Java Studio Creator 2 .
http://developers.sun.com/jscreator/downloads/
it is a great IDE with amazing capabilites and component.

Xml --- edit tag libraries

I am currently using Dreamweaver 8.0 on Windows XP OS.
I have created an xml file and added some data. However the
format of the data is presented as follows:
<?xml version="1.0" encoding="iso-8859-1"?>
<productListing title="ABC Products">
<product>
<name>
Product One
</name>
<description>
Product One is an exciting new widget that will simplify your
life.
</description>
<cost>
$19.95
</cost>
<shipping>
$2.95
</shipping>
</product>
</productListing>
But I would like to view XML files in the following format
without line breaks:
<?xml version="1.0" encoding="iso-8859-1"?>
<productListing title="ABC Products">
<product>
<name>Product One</name>
<description>Product One is an exciting new widget
that will simplify your life.</description>
<cost>$19.95</cost>
<shipping>$2.95</shipping>
</product>
</productListing>
I looked at the tag libraries to see if I could edit
something there, but had no effect.
Can anyone assist please ?
regards

polaris1927 wrote:
> I am currently using Dreamweaver 8.0 on Windows XP OS.
>
> I have created an xml file and added some data. However
the format of the data
> is presented as follows:
Unfortunately, Dreamweaver makes a mess of formatting XML.
The only way
it will improve is if you and others tell the Dreamweaver
team directly
that this is important to you.
http://www.adobe.com/cfusion/mmform/index.cfm?name=wishform
David Powers, Adobe Community Expert
Author, "Foundation PHP for Dreamweaver 8" (friends of ED)
Author, "PHP Solutions" (friends of ED)
http://foundationphp.com/

Register Tag libraries?

I just started usign BEA Workshop, it looks great except it is not behaving well with my function tags.
I have:
<jsp:root version="1.2"
xmlns:funk = "http://myurl/functions" >
${funk:contentURL(entry)}This works fine when i run it, but in the environment, I get an error:
"The prefix "funk" is not associated with an imported tag library"
Is there a way to tell it what taglibs i am using? The .tlds are in the META-INF directory for an included project.
thanks
ryan

Workshop recognizes all .tld files present below WEB-INF (or within its sub-folder).
i. if you have defined the tld file in web.xml then you can use the <taglib-uri> entry in defining <%@ taglib...%> directive
ii. in case you do not define <taglib> in web.xml then you can directly use the <uri> defined in .tld file
Workshop also handles the situation when .tlds are not physically present within WEB-INF but instead present within .jar file which is on classpath
IMPORTANT:
Tag Libraries view does not populate with tags for tlds picked from .jar file, unless defined in the page using taglib directive.

JSP programming with Tag Libraries like Struts.

Hi friends,
I've been programming in JSP, JavaBeans for the last 1 year. However, with the current popularity of Tag Libraries & concepts like MVC, Struts am thinking of using these in JSPs. Even though I am not totally convinced about the real advantages like "No Java code" in JSP pages bcoz normally anyway most of the Java Code is done in the Javabean where my Business Logic is present.
If any of you have previously worked on Tag Libraries please would you advice me whether it's worth it and which books & material would be best for these.
Thanking you in advacnce.
Cheers
Sanjiv

Based on my experience with using JSP tags, I would definitely strongly recommend them. If nothing else, application/project specific custom tags go a long way in facilitating development-time productivity and code maintenance.
And ofcourse, with JSP tags you get the added advantage of the JSP container maintaining pools of instantiated tag objects so even the runtime performance is helped.
The book Web Development with Java Server Pages by Duane K. Fields, Mark A. Kolb from Manning Publications has helped me a lot about JSP tags.
Sun's tutorial http://java.sun.com/j2ee/tutorial/doc/JSPTags.html is also good.

Jdeveloper - Tag libraries

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