External JARs in .jnlp

Hi,
I have got a swing application.
I need include tablelayout.jar in the class path.
How can I do this using .jnlp file?
Right now I can see the class not found exception in the console. I included the jar in /devlib folder under ROOT of Tomcat6.
When I started the application it is showing un registered entry message for devlib/tablelayout.jar
Please suggest how include the tablelayout.jar in the class path using .jnlp file
what is the reason for registration exception. Do we need to perform registry for each and every extenal jars we need to include?
Please help...

See http://help.sap.com/saphelp_nwce10/helpdata/en/d7/fc139ba1549047a5372ad3c0d540ea/frameset.htm
under "External library".
Armin

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DownloadService.loadResource for external jars for 1.6.0-19+

First, be kind with my english, i'm french (nobody's perfect...)
I have a JNLP into which i declare a signed jar resource main.jar. This application retreive at execution a list of signed jar names (+a.jar, b.jar+...) that i dynamically load on my need through DownloadService.loadResource. My a.jar, b.jar are cached and it rules! But if i made a new main.jar, a.jar and b.jar, and deploy them on my server, here what's happend:
- main.jar is tested for modification date on server (thanks to "If-Modified-Since" HTTP header), cache date is before this date, so JWS update main.jar by downloading this new main.jar. This is the behaviour described into specs and it is perfect for me!
- but for others resources (a.jar, b.jar) i was excpected the same behaviour but JWS does not seems to check for modification date. So a.jar and b.jar are not updated.
So my first question: Is there a way to tell to DownloadService.loadResource to check for modification date? i could deal with jar version but this basic date checking was great for me...
Except this cache minor problem, external jar download works just fine except i get the warning security problem [Mixing Signed and Unsigned Code |http://java.sun.com/javase/6/docs/technotes/guides/jweb/mixed_code.html].
All my jars are signed with the same certificate, so i was a bit confused.
Anyway, i follow indications and put the Trusted-Only: true attribut into the manifest of main.jar.
But it leads to this exception:
java.lang.SecurityException: Trusted-Only loader attempted to load sandboxed resource from http://monserveur/a.jar
 at com.sun.deploy.security.CPCallbackHandler$ParentCallback.check(Unknown Source)
 at com.sun.deploy.security.CPCallbackHandler$ParentCallback.access$1400(Unknown Source)
 at com.sun.deploy.security.CPCallbackHandler$ChildElement.checkResource(Unknown Source)
 at com.sun.deploy.security.DeployURLClassPath$JarLoader.checkResource(Unknown Source)
 at com.sun.deploy.security.DeployURLClassPath$JarLoader.getResource(Unknown Source)
 at com.sun.deploy.security.DeployURLClassPath.getResource(Unknown Source)
 at java.net.URLClassLoader$1.run(Unknown Source)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(Unknown Source)
 at com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
 at java.lang.ClassLoader.loadClass(Unknown Source)
 at java.lang.ClassLoader.loadClass(Unknown Source)
 at my.package.a$5.run(a.java:348)
 at java.lang.Thread.run(Unknown Source)I found some posts that deal with similar problems but it does not give me a working solution. The difference seems to be the fact that i load external jars (not defined into JNLP).
My JNLP is validated though JaNeLA.
I cannot set a.jar, b.jar as resources into jnlp because i retreive their location during execution...
My JNLP also declare:
<security>
 <all-permissions/>
</security>I think i'm a bit confused with the sandbox notion and the Trusted-Only: true attribut of the manifest. I also tried to add it to a.jar, b.jar and not main.jar but vainly. I also tried to set it on all jars but it does not work better.
Is there a way to load external jar without having the Mixing Signed and Unsigned Code warning popup? What do i not well understand?
Sorry to be so chatty...
Thanks in advanced for any answer.

So, I finally succed in finding a solution.
But this solution seems perhaps a barbarian way to solve my problem but it works.
The idea (as far as i understand) is that when you define "all-permission" into JNLP file, then these permission are granted for JNLP ClassLoader. When you load external jar through DownloadService.loadResource, then another classloader is used. It seems that this classloader does not inherit security policy from JNLP ClassLoader.
My solution is to define my own policy:
Policy.setPolicy(getAllPermissionPolicy());
 * @return a {@link Policy} with all permission granted
 private Policy getAllPermissionPolicy()
 Policy policy = new Policy() {
 private PermissionCollection m_permissionCollection;
 @Override
 public PermissionCollection getPermissions(CodeSource p_codesource)
 return getAllPermissionCollection();
 @Override
 public PermissionCollection getPermissions(ProtectionDomain p_domain)
 return getAllPermissionCollection();
 * @return an AllPermissionCollection
 private PermissionCollection getAllPermissionCollection()
 if (m_permissionCollection == null)
 m_permissionCollection = new AllPermission().newPermissionCollection();
 m_permissionCollection.add(new AllPermission());
 return m_permissionCollection;
 return policy;
 }For sure, you can decline this with permission you need. Here, all permission are allowed.
I'm not quite satisfied because it's seems to be a barbarian style solution. But for now, it fits my uses => no warning popup!
If anybody has a more proper way to deal with such an issue, i'll be glad to hear it!
Hope it helps.

How to use one external jar (SDK) for several apps in WTK?

Hi,
I have one external jar (SDK) I use for developing J2ME applications.
Every time I have no choice but to copy this JAR (SDK) into my current application lib directory.
I am building a family of MIDlets that I dont want to put into just one huge JAR but rather to have several JAR files for each application.
In C world I need only to tell the linker where it should pickup ".so" or ".lib" file.
Is any way to do the same with WTK? Or any other J2ME development tool?
Thanks in advance,
Andrew

Link to wtk2.5 beta has been posted to this forum
while ago. It's worth to try it It is MSA1.0
compliant. It has many new JSRs.TomTom,
Thanks again.
I tested the WTK2.5BETA and here I ahve strange fact. My application works perfectly on WTK2.1, WTK2.2 WTK2.3 BETA but it crashes with a very weird message on WTK2.5BETA
Method............: 22482ac 'com/tinyline/app/SVGEventQueue.handleEvent (virtual)'
Stack Chunk.......: 2216e44
Frame Pointer.....: 2216e7c
Current IP........: 224820b = 22481fc + offset 15
Previous Frame....: 2216e58
Previous IP.......: 226afd6 (offset 26)
Frame size........: 3 (2 arguments, 1 local variables)
Argument[0].......: 20bc0b8
Argument[1].......: 2216d7c
ALERT: java/lang/NoSuchMethodError: No such method dispatchEvent.(Lorg/w3c/dom/events/Event;)Z.
So I thought, OK it was compiled under WTK2.1 may it was the reason of crash.
I took sources and compile them under WTK2.5 BETA. I came up with the same result - crash.
Thanks,
Andrew

Getting error while calling external Jars in BPEL by using Java embedding activity in soa 12c

Hi,
I am trying to use an external Jars for the business logic implementation. Here I need to pass XML as input and
and I expect the "Password " field has to be return.
Following are the steps I have followed:
1) Created a java project with sample class and added the external jars into the project "Libraries &Classpath".
2) Created a jar file out of it.
3) Created a BPEL project with Java Embedding.
4)Wrote the java code in java embedding activity.
4) Added the above created jar file to the BPEL project's lib/jar and added in SCA-INF/lib project folder as well.
5) Imported the package with the class as in the jar (e.g <bpelx:exec
import="pkg.testInterface"/>)
6) Deploy the BPEL project.
while deploying the SOA build is sucessful but my depoyment is incomplete.
error:
advices will be great....
Regards,
Dilip

Hi,
Can you confirm if the BPEL Version is 1.1 or 2.0.
If you are using BPEL 2.0 you need to import the required jar/class file as:
<import importtype="http://schemas.oracle.com/bpel/extension/java" location="pkg.testInterface"/>
For BPEL 1.1 the syntax to import other jar/class file is:
<bpelx:exec import="pkg.testInterface"/>
If you import the classes in the correct format you will not face any deployment error.

Help need in Adding External jar files.

Hi all,
Iam developing ADF application using JDEV 11.1.1.3.0.
I need to move files from one directory to another so i have used external jar "commons-io-1.4.jar" file.
i did this by going to the project properties -->Libraries and Classpath -->Add Library
added the jat file.
In java class i have used the function
File.copyFileToDirectory(reQueueFile, TargetLocation,false);
it was working fine when i tried in IntegratedWeblogic server but when i deploy in Standalone Weblogic server its not getting the jar file.
Its throwing me the exception
javax.el.ELException: java.lang.NoSuchMethodError: org/apache/commons/io/FileUtils.moveFileToDirectory(Ljava/io/File;Ljava/io/File;Z)V
at com.sun.el.parser.AstValue.invoke(AstValue.java:161)
at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:283)
at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodExpression(UIXComponentBase.java:1303)
Please let me know is there a way of adding the lib to the project.
Regards,
Suresh kumar.k

First you should check that the library has the checkbox 'Deploy by default' is checked for your library.
The you open the project properties of the view controller project, select Deployments, edit the deployment descriptor. Select the Node 'File Groups'->'WEB-INF/lib'->'Contributors'. this should give you a list of libraries your project uses. Check if your library has the checkbox checked (is selected fro deployment). If it's not checked, set it.
This should include the library.
Timo

Including External JARs for Java Application in OC4J

Hi Experts,
Here is my requirement.
I have developed my Java application using Tomcat Server & Eclipse. In my application I have used some External JARs & imported the classes in my JSP.
Now that I'm using OC4J Server instead of Tomcat I'v no clue as to where I have copy these External JARs for my application to work.
I have installed OBIEE-Client which includes OC4J server. The path where I have placed my application is as below
*"C:\OracleBI\oc4j_bi\j2ee\home\default-web-app"*
If I run my application the server does not import the classes in the JSP which we include using Import statement using JSP tags (*ex* - <%@ page import = "org.apache.commons.fileupload.*"%>).
This is the location which I found, where I need to put my Java-J2EE application. This OC4J_BI comes with OBIEE.
Kindly help me out on where to place these External JARs exact location in OC4J.
Also let me know if I have to alter any configuration/xml file (if so pls specify the file name & its location).
Thanks in advance,
Venky

You can either include the external libraries in the application, by placing them into WEB-INF/lib, or you can import them into the server as "shared libraries", normally you'd use the "enterprise manager" application to do this. Having loaded a shared library you then add it to the classpath when you're deploying the application.

How to include external jars - URGENT...

Hi:
I am using Eclipse for development.
My application uses some external jars.
This step is simple in Eclipse, one simply indicates where the jars are to the IDE.
However, when I make an executable JAR file from my project, those external JARs are not included.
So when I run my program, everything is fine until the parts that uses the external JARs.
Does anyone know how to include them outside of Eclipse platform?
I am going to see my client in an hour and of course I can't bring my source and install an Eclipse at my client's computer to show them my demo...
please help... thanx...

You add those external jars to the classpath or the jars classpath if you're running the program from a jar. Or put the external jar to JAVA_HOME\lib\ext (IIRC)

How to call external jar files in EJB project for CE

Hi,
I would be thankful if someone could help me with this -
I need to call the external jar files into my EJB project - Here is what I have done and am getting runtime exception as -
java.lang.RuntimeException: java.lang.NoClassDefFoundError: com/glance/pdf/pt/PTDoc
1. Created a EJB project" HelloWorld " using Java perspective in NWDS 7.1 called with client as HelloWorldClient and EAR project as HelloWorldEAR.
2. Am working on HelloWorld project (1st one).
3. In my code I am instantiating a class which is a class in one of the external jar file that I need to refer in my project.
4. I have set the Java Build path but it works only for the compile time and fails during runtime.
5. Have read I need to create external library DC and refer in my project "HelloWorld".
Can anyone help me with exact steps what needs to be done - during creation of external library project and then for my "HelloWorld" EJB project. How would I be able to reference or set the external library project in my EJB project?
Looking forward to hear from experts.
Thanks,
Shiv
Edited by: Shiv Khullar on Aug 30, 2010 9:39 PM

Hi Edson,
I tried it , but it still gives me runtime exception.
javax.ejb.EJBException: nested exception is: java.lang.RuntimeException: java.lang.NoClassDefFoundError: com/glance/pdf/pt/PTDoc
java.lang.RuntimeException: java.lang.NoClassDefFoundError: com/glance/pdf/pt/PTDoc
Steps I performed are -
1. Created a library project and created 2 Public parts "Compilation" and "Assembly"
2. Build the library project.
Now in my EJB project using Project Explorer - set the classpath and added both compilation jar and assembly jar files.
This is how the classpath entries for external library looks like -
<classpathentry kind="lib" path="/LocalDevelopmentLocalDevelopmentexternallibrarypdftoolsforwatermarkingdemo.sap.com/gen/default/public/WatermarkAssembly/lib/java/demo.sap.comexternallibrarypdftoolsforwatermarking~WatermarkAssembly.jar"/>
<classpathentry kind="lib" path="/LocalDevelopmentLocalDevelopmentexternallibrarypdftoolsforwatermarkingdemo.sap.com/gen/default/public/WatermarkCompilation/lib/java/demo.sap.comexternallibrarypdftoolsforwatermarking~WatermarkCompilation.jar"/>
I have also added the jar files I used in my external library project as "User Library" from Java Build Path . I dont do it , then the code fails during compilation itself.
Regards,
Shiv

How to handle External Jar files in EJB DC

I have created a EJB DC.
I have added the required MDM Jar files to the class path.
These MDM Jar files are supplied by SAP for integration with Master Data Management.
But the DC build fails.
If I create the same project as a REGULAR EJB (non-dc approach)project, everything works fine.
Qn:
How to bundle the MDM jars (External jars)in a DC?
How to create the Public Parts in the DC for the added MDM External Jars?
How to use the above DC in the EJB DC?
Basically, I am looking for a step by step procedure,
to add external jars in a DC.
And to use the above DC in a EJB DC.
Any assistance in this regard is appreciated.

You should not reference the MDM jar files by setting classpath directly. For setting references to it from your EJB DCs , you will have to create a DC of type "External Library". Deploy this DC also before your EJBs are deployed. You will then have to create a public part for this DC and the reference the public part from the DC metadata of the EJB DC ie set the Used DC list of EJB DC to the public part of the ext lib. You will get info about this in NDS help as well on help.sap.com

How to include an external jar file in .EAR project

Hello All,
I have created a web service through java class in sap netweaver 7.1.
For database connection i want to add external jar file as reference. could you all please tell me how to do this or can i get some scenario where it is explained.
Please Help
Regards,
Vanita Jain

Hi Vanita,
open your project in nwds > right click on the project > click on properties option from the menu > click on java build path from the left-side navigation of the window > and click on libraries in the right side tab > here you'll get a button called add external jars > clicking to this, will open browser window to select a jar file.
Regards,
Sen

External jar not included in ear

hi
I created a library dc with an external jar in its public part and this library dc is used in a j2ee library dc (like described in [ Howto embedd external Jar in EAR |;).
my enterprise application project uses a web module dc and this j2ee library dc.
so far..but when I deployed the buildt ear and call my application the classes which are in my external jar file can´t be resolved at runtime.
what´s my fault? has anyone an idea?
Edited by: Thorsten Winter on Feb 4, 2008 2:47 PM
I am working with nwdi and nds and developers workplace sp 13 and web as 7.0

Hi Thorsten
Please follow the blogs
/people/valery.silaev/blog/2005/09/14/a-bit-of-impractical-scripting-for-web-dynpro
/people/bala.krishnan2/blog/2006/09/25/bid-adieu-to-bots--using-captchas
Hope it helps
Regards

How to import external jars in a CAF project?

Hello Experts!
Could you help me find out the way to import external jars in a CAF project. I have tried to import the jars
in ejbmodule using "java build path--->libraries". But while trying to build the project it's displaying error and all the imported jars automatically get removed from the list.
I have read that creation DC of type "External Library" can help me.
1) Create a DC of type external library
2) Copy my jars to folder "libraries"
What should I do next? And how can I import my DC of type "External Library" to my CAF project?
Looking forward for your suggestion.
Thanks & Regards
Vitaly

Hi,
This article will guide you how to deploy the external jar files to the application server.
http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/60a0f850-c451-2c10-a6a6-ddcabfa3a65b&overridelayout=true
Add the library project to the public part of your caf project to use the jar files.
Regards,
Gayathri

How to include external .jar libraries

hi,
I'd like to use an external .jar library in my Java program.
I import the package in the source code.
But where do I have to specify the file location of the .jar file. Do I have to add its directory to the PATH environment variable or somewhere else??? So far I've done this only in Eclipse, but now I'm working in a pure linux environment... with no IDE.
Thanks :)

Or specify the classpath completely when you run javac.
For example to compile a class called Foo in the current directory which uses classes from an external jar file I would say
javac -cp .:../../whatever.jar Foo.javaAnd if Foo has a main() class:
java -cp .:../../whatever.jar Foo(If you are working with a number of projects each with lots of classes and lots of (different) jars, it might be time to look at Ant.)

Exception while adding External Jar files in NWDS

Dear Friends,
 Actually i am adding an external Jar file in my EJB Module in NWDS.I am using this jar file for converting XML to flat file and i am calling this module from Receiver ommunication channel.For this process, i am importing dom4j.jar file in the EJB Module.
 Now i have created an external Library project for the cause that i have used the external jar file, and i have made following code in the provider.xml file
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE provider-descriptor SYSTEM "library.provider.dtd">
<provider-descriptor>
 <display-name>
 XML2EDI_Library
 </display-name>
 <component-name>
 XML2EDI_Library
 </component-name>
 <major-version>6</major-version>
 <minor-version>40</minor-version>
 <micro-version>0</micro-version>
 <provider-name>
 dom4j.org
 </provider-name>
 <references>
 <reference
 provider-name="dom4j.org"
 strength="weak"
 type="library">org.dom4j.Document</reference>
 <reference
 provider-name="dom4j.org"
 strength="weak"
 type="library">org.dom4j.DocumentException</reference>
 <reference
 provider-name="dom4j.org"
 strength="weak"
 type="library">org.dom4j.Element</reference>
 <reference
 provider-name="dom4j.org"
 strength="weak"
 type="library">org.dom4j.io.SAXReader</reference>
 </references>
 <jars>
 <jar-name>EDI_Module.jar</jar-name>
 </jars>
</provider-descriptor>
I have included 4 references because i have imported following in my ejb module.
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
I am not sure of wht to include in reference target and provider name, I am getting the following exceptions in Message monitoring:
1. AO: Document Exception: org.dom4j.DocumentException: E:\usr\sap\BWS\DVEBMGS00\j2ee\cluster\server0\
2. Nested exception: E:\usr\sap\BWS\DVEBMGS00\j2ee\cluster\server0\
Help me in this issue..
Thanks in advance
N.Jayanth Kumar

thanks for you help sidharth.
i have now jar files in the server and the application referring to the jar files. everything is deployed fine. however, when i start the application..i get the error -"package jcifs.smb does not exist". the jar i am using is jcifs-1.2.7.jar. in my web module when i expand the jar i see the package and the .class files inside. what am i missing?
Also, i din't define a SharingReference to usermanagement in portalapp.xml as i am working towards a pure j2ee enterprise application. the web module (DC) referes to the jar files. is there any step similar to defining the sharing reference for the web module DC?
please help. thanks - sowmiyar

External Jars referencing error

I followed all the following steps which were discussed in forum to referencemy 9 external jars, my DC build was succeded in NWDI and has been deployed onto portal server. I got error message "DeploymentException:Clusterwide Exception:Failed to prepare application.....check the reference....." while running that ear file from portal.
Steps i followed to reference external library:
1) Created externallibrary DC, plces jars and made them as public (here i made one public part for all jars, do i need to create different public part for different jars)...
2) Created library DC and added the above DC as used dc for build time and runtime reference,then deployed onto server i can see the service in visual admin with alljars in it.
3) Created webdynpro DC and added above library DC as used DC, I added library reference tooo, build was succeded and above getting runtime error. Iam giving the exact reference which is copied from visual admin.
I removed the library reference but iam still getting the same error.we running on NW'04s SP8,Any help is appreciated.
Thanks,
Damodhar.

Hi Damodhar,
Please check the posting
https://forums.sdn.sap.com/click.jspa?searchID=216037&messageID=2563001.
from the posting::
"you need public part with type "compilation". Also you need to open project properties, go to "Web Dynpro References -> Web Dynpro Application" and add run-time reference to DC that exposes component"
Regards, Anilkumar

External JARs in .jnlp

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