Missing MDE4UML plug-in org.apache.xerces for Eclipse

Hello,
I have the following problem that I would really appreciate some help with.
Background
1. I have set up Eclipse 3.0.2
2. I downloaded MDE4UML 3.1.3 (namely file mde-studio-eclipse-3.0-plugin-3.1.3.zip) from m1global.org
3. Everything seems to be working ok (although I havent done much work within MDE).
Problem
When I try to obtain or update software using Help > Software Updates > Find and Install > Search for new features to install, and select any new feature, the following error message is detailed
Model-driven Development Environment Studio (3.1.3) requires plug-in "org.apache.xerces".
What is the solution to this problem? I could comment out the following line in the feature.xml file for this plugin
<import plugin="org.apache.xerces"/>
but I'm not sure if it is the right thing to do.
Thanks for the help in advance.

Hi,
I think you need to check the plugin folder of the eclipse so that it contains the folder "org.apache.xerces_<version>".
This is the API plugin is for XML processing.
if you don't find it than create a folder with name "org.apache.xerces_<version>" in the plugin directory. and then add xmlParserAPIs.jar,xercesImpl.jar to this folder and the create two files with following contains in the same folder.
plugin.xml
<?xml version="1.0" encoding="UTF-8"?>
<plugin
name="%pluginName"
id="org.apache.xerces"
version="4.0.13"
provider-name="%providerName">

 <runtime>
 <library name="xmlParserAPIs.jar">
 <export name="*"/>
 <packages prefixes="javax.xml,org.w3c.dom,org.xml.sax"/>
 </library>
 <library name="xercesImpl.jar">
 <export name="*"/>
 <packages prefixes="org.apache,org.w3c.dom"/>
 </library>
 </runtime>
</plugin>
plugin.properties
pluginName = Xerces Based XML Parser
providerName = Eclipse.org
you will get the jar files at apache's site

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Hi all,
Getting above exception only in Weblogic 9.2
JDK Version : jdk1.5.0_16
jena-2.5.6.jar
xercesImpl-2.6.2.jar
SAXParser is working fine in JBoss with same jdk and jar version. But it's throwing above exception in webloigc9.2 (Windows ) and more over, if i add -Xbootclasspath and specify the xercesImpl-2.6.2.jar file it works in weblogic 9.2 also..
Is there any other 'good' solution for this??? I feel , this issue is related to classloader but dont know how :(.
Regards
Anand

Hi,
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"Jeeva" <[email protected]> wrote in message
news:3b40ecb5$[email protected]..
>
Alternatively u can set the parameters to look at the right parser when uneed
it. This can be done by:
System.setProperty("javax.xml.parsers.SAXParserFactory","org.apache.xerces.jaxp.SAXParserFactoryImpl");
System.setProperty("javax.xml.parsers.DocumentBuilderFactory","org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");
System.setProperty("javax.xml.parsers.SAXParser","org.apache.xerces.jaxp.SAXParserImpl");
This is far from being recommended for the following reason:
The JAXP factories cache the classes used to instantiate the factories,
therefore you cannot changed dynamically these properties at runtime, you
will have absolutely NO guarantee that this will work. If a factory is
instantiated before yours, it will use this one. Additionaly, Weblogic
already defines these properties at startup so that they refer to their own
factories that can look into the XML registry.
Consider these properties as being read-only. Chance are that you will mess
up everything if you modify them.
If you need to define a specific parser (such as crimson), then put crimson
in your system classpath and set the XML registry appropriately.
If you want to take a look at jaxp strategy. Use the JVM
property -Djaxp.debug=true.
As well use -Dweblogic.xml.debug=true for Weblogic XML related info.
Stéphane Bailliez
Software Engineer, Paris - France
iMediation - http://www.imediation.com
Disclaimer: All the opinions expressed above are mine and not those from my
company.

Org.apache.xerces.parsers.SAXParser class, where do I find it?

I don´t know if this is the right place to ask, but maybe someone will know:
I need the class org.apache.xerces.parsers.SAXParser that should be included in the Apache Xerces project.
Here is the API: [http://xerces.apache.org/xerces2-j/javadocs/xerces2/|http://xerces.apache.org/xerces2-j/javadocs/xerces2/]
and here is the download section: [http://xerces.apache.org/xerces2-j/download.cgi|http://xerces.apache.org/xerces2-j/download.cgi] . I have downloaded Xerces-J-bin.2.9.1.zip but the class isn´t included.
My book I am reading is using that class and says it is a part of the Xerces project.

Hi,
Well, I do not know what you are looking at but it definitely is in the src : Xerces-J-src.2.9.1.tar.gz
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Regards.

Error: Provider org.apache.xerces.jaxp.DocumentBuilderFactoryImpl not found

HI.
I embed tomcat in my application.when i start embed tomcat ,the following message appears :
javax.xml.parsers.FactoryConfigurationError: Provider org.apache.xerces.jaxp.DocumentBuilderFactoryImpl not found
at javax.xml.parsers.DocumentBuilderFactory.newInstance(DocumentBuilderFactory.java:99)
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at org.apache.commons.modeler.modules.MbeansDescriptorsDOMSource.loadDescriptors(MbeansDescriptorsDOMSource.java:120)
i set System.setProperty("javax.xml.parsers.DocumentBuilderFactory", "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");
,but not work.
by the way :my classpath include xercesImpl.jar & xmlParserAPIs.jar, when i remove them ,my application
work well.

by the way my classpath include xercesImpl.jar & xmlParserAPIs.jar, when i remove them ,my application work well.
Is another jar file which has the org.apache.xerces.jaxp.DocumentBuilderFactoryImpl clas in the Classpath.?

Org.apache.xerces.parsers.SAXParser

After compiling ,while trying to run my program is giving on the console window.
"org.apache.xerces.parsers.SAXParser" instead of what it is supposed to do .
i am using java 1.4.2 and xerces 2.7.1
Can Anyone point what is the problem with this.
thanks

are you calling toString on the parser?
'what it is supposed to do" -- you know because it worked with a previous version of xerces?
What code is generating:
org.apache.xerces.parsers.SAXParser
?

Eclipse won't resolve org.apache.* packages

Hello everyone,
I'm relatively new to java and eclipse and I am really stuck trying to use various packages.
First a little history on what I am doing. I've created a project from existing source using the new java project wizard. This source code is obtained from the Book: XML and Java: Developing Web Applications, 2nd Edition. It's sort of dated. It uses SDK 1.3, and xerces 1.4.3 the current is 2.9.1. I have version 2.9.0 according to the Eclipse plugin registry. ( Thought I'd mention this in the event it may be relevant ).
The problem is Eclipse will not resolve this line of code:
import org.apache.xerces.parsers.DOMParser;
I look at plugins and I see xerces listed:
Provider:: eclipse.org
Plug-in Name:: Apache Xerces-J
Version:: 2.9.0v200909240008
Plug-in ID:: org.appache.xerces
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In an attempt to correct the problem I've created a classpath variable in
Preferences > Java > Buildpath > Classpath variables:: xerces_2_9_0 - /Applicatins/Eclipse/plugins/org.apache.xerces_2.9.0.v200909240008.jar
Then added the var to a launch configuration.
The same error still persists::
Exception in thread "main" java.lang.Error: Unresolved compilation problems:
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I've also tried to add jar's to the libraries using Preferences > Java > Build Path > User Libraries but the the button on the right 'Add jars...' is not acitve.
The complete source code is listed below. Although I don't think the problem resides there.
Anyone who can help me in understanding this problem and resolving it would be greatly appreciated.
( I obviously am misunderstanding something ).
Regards,
gjames
package chap02;
* SimpleParse.java
import org.w3c.dom.Document;
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import org.xml.sax.SAXException;
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public static void main(String[] argv) {
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System.err.println(
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parser.parse(argv[0]);
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Document doc = parser.getDocument();
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System.out.println("Parser error found: "
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gmjames wrote:
..I'm relatively new to java and eclipse and I am really stuck trying to use various packages. 1) The Jars need to be added to the compile-time & run-time class-path of the application.
2) You will be better off figuring how to do that in Ant or from the command line, rather than an IDE.
3) When posting code, code snippets, HTML/XML or input/output, please use the code tags. The code tags protect the indentation and formatting of the sample. To use the code tags, select the sample and click the CODE button.
4) For best help on Eclipse, see the [Eclipse forums|http://www.eclipse.org/forums/].

Xerces for XSD 1.1 Validation not working in Java Mapping

Hi Experts,
We are trying to use XSD 1.1 (assertion feature) validation for the XML payload in a Java mapping program. But I am getting the following exception:
java.lang.IllegalArgumentException: http://www.w3.org/XML/XMLSchema/v1.1 at javax.xml.validation.SchemaFactory.newInstance(SchemaFactory.java:186)
This is happing for the statement:
SchemaFactory factory = SchemaFactory.newInstance("http://www.w3.org/XML/XMLSchema/v1.1");
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I have tried following things so far -
1. If I try to validate an xml against an xsd 1.1 schema in a standalone program, it works perfectly fine.
2. If I try to deploy this whole functionality on to the server through an EAR (like an adapter module), there again it works.
3. Also tried this before instantiating the SchemaFactory -
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5. The link [http://help.sap.com/saphelp_nw70/helpdata/en/b6/8097f5a5edea4f8dfc87ac87082b22/content.htm ] mentions that we need to place all the necessary jars at location <SAP_J2EE_Engine_install_dir>/cluster/server/bin/ext /. But even after placing the jars there, I get the same exception.
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Regards,
Sudheer

Hi Stefan,
Thanks for the reply.
We are on PI 7.1 SP 06. The standard XML tools from jdk supports only XSD 1.0, as far as I know. And XSD 1.0 does not have the Assert feature (also known as, co-occurrence constraint). More details are provided here - [http://www.ibm.com/developerworks/library/x-xml11pt2/]
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Thanks & Regards,
Sudheer

The import org.apache cannot be resolved

Hi All,
I am a Java\Eclipse newbie. I am trying to import the org.apache.xerces package, and the import is failing with this error:The import org.apache cannot be resolved
I am not using Maven\Ant for building the project. I know I need to download some class files\jar files to get this to work, but I am not sure where to download these packages from. Could someone please help me out here?
import org.w3c.dom.Node;
import org.apache.xerces.parsers.DOMParser;
import org.apache.xerces.dom.traversal.TreeWalkerImpl;
import org.apache.xerces.domx.traversal.NodeFilter;
import org.apache.xerces.dom.DocumentImpl;
THanks a lot!

Well, if you are in fact looking to download the JARs for the Apache Xerces project, you should be able to find them at the Apache Xerces project page.
If you already have the JARs downloaded, you need to make sure that they appear on your CLASSPATH, otherwise your application will never find them. Since you are using an IDE, this should be as easy as adding the JARs to your project.

Org.apache.crimson and 1.5

I am trying to test an application in 1.5 and am getting compile errors for crimson references in classes someone else wrote.
Looking at the JDK src, it looks like the apache packages are not bundeled in to the 1.5 beta.
Wth the preface that I am mostly a Swing developer my questions are...
I know it has to do with XML, but what specific functionality did crimson bring to the tale?
Why did Sun remove the apache libs from the distribution?
Is there anything in 1.5 to take crimsons place.
Thanks for your time if you answer,
Todd

Looking at the JDK src, it looks like the apache
packages are not bundeled in to the 1.5 beta.That's correct. The only contract is to supply an XML processor, not a specific one. Crimson is just one; Xerces is the most popular one out there. Looks like 1.5 includes a subset of Xerces (with a different package - com.sun.org.apache.xerces.internal).
I know it has to do with XML, but what specific
functionality did crimson bring to the tale?Nothing special. It was just a lightweight XML implementation.
Why did Sun remove the apache libs from the distribution?
Is there anything in 1.5 to take crimsons place.It's just replaced them with something they felt they could maintain better.
You should not ever be referring to Crimson classes directly. You should ONLY use org.w3c.dom or org.w3c.sax classes directly, and use the advertised Factory APIs to create or manipulate Documents, Elements, etc.
Your best bet is to rip out all references to org.apache.crimson, and use an elementary XML textbook to replace them with references to standard org.w3c.* classes.

URGENT: JAXP Provider org.apache.crimson.jaxp.SAXParserFactoryImpl not foun

Hi all
I am having this strage problem. I am using JAXP Apis to do XSLT transformation and everything works fine.
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-Djava.security.manager option and
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I know it's something to do with Security manager/policy setting, but can't figure it out.
Could anyone please help? It is very urgent.
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I have your solution... under Weblogic BEA were giving the same error, I resolved it with this code before the instantiation of SAXParserFactory:
String key = "javax.xml.parsers.SAXParserFactory"
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Properties props = System.getProperties();
props.put(key, value);
System.setProperties(props);

Missing MDE4UML plug-in org.apache.xerces for Eclipse

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