Why so many dependent jar files?

Crystal Report needs too many dependent jar file. What is the alternative way to minimize dependent jar files or club together as one jar?
Thanks,
Venkat

If you're using the Java Reporting Component (JRC), then I recommend upgrading to the newest version - [Crystal Reports For Eclipse 2.0|https://www.sdn.sap.com/irj/boc/crystalreports-java], where the number of jars are significantly decreased.
The reason why 11.5 had so many Jars was that the JRC and RAS and Enterprise SDKs shared libraries, and so the jar files were broken down along functional lines.
Since CR4E 2.0 is a separate stream, the packaging is simpler.
Jar file count dependencies is always a touchy thing - break it down along functional lines, and there's complaints that there's too many. Consolidate to a few, and there's complaints that the files are too large, and why can't it be broken down into smaller jars?
Sincerely,
Ted Ueda

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Why will my java.jar file not open

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Unable to resolve setting of dependent jar file in ear

Hi,
I have an .ear file which as an ejb.jar and dependent.jar file. Now i set the classpath in MANIFEST.MF of ejb.jar and tried to deploy in weblogic server7.0 but my ejb is not able to identity my dependent.jar its throwing class not found error. I even tried setting up classpath even @ my MANIFEST.MF of ear also. still not able to resolve.
So let me know does dependent.jar in ear is suppoted are not?

Hello Sanjay,
This should work without any problems. Can you provide your manifest.mf file?
Meanwhile, refer to the following link for more documentation about WebLogic classloading
and how to specify a manifest.mf file to do what you're trying to achieve:
http://edocs.bea.com/wls/docs70/programming/classloading.html#1073491
Best regards,
Ryan LeCompte
[email protected]
http://www.louisiana.edu/~rml7669
Sanjay <[email protected]> wrote:
Hi,
I have an .ear file which as an ejb.jar and dependent.jar file. Now
i set the classpath in MANIFEST.MF of ejb.jar and tried to deploy in
weblogic server7.0 but my ejb is not able to identity my dependent.jar
its throwing class not found error. I even tried setting up classpath
even @ my MANIFEST.MF of ear also. still not able to resolve.
So let me know does dependent.jar in ear is suppoted are not?

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How to dynamically find the dependent jar files on user's PC

I've written an application to deal with JTAPI. Unfortunately the implementations by vendors are different in terms of file names. Ideally I'd like to load jars based upon what's installed, e.g. load jtapi.jar when Cisco is installed, or Escjtapia.jar when it's Avaya. The application uses a small subset of JTAPI so different implementations should not yield any different results.
I edited the manifest file in my jar so that the Class-path has both jar file names for Cisco and Avaya. I didn't enter any path, hoping the CLASSPATH of Windows would be searched, but it is not the case. Also, if other vendors are supported in the future, I might have to add all different file names in the manifest. I don't think the class loader will work in my case, as I may not know the class name at all. I just want to search the system's classpath the find any jar complys to JTAPI and load it.
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Specifying the version of dependent jar file?

Hi all
At the moment I am fighting with some class loading issues in a J2EE Appcontainer... Acutally the app server uses a different version of a jar file than my application.. Now the classloader always uses
the already loaded classes of the AppServers jar Version instead of those that I want..
I have my application together with the dependent jar packaged together into one jar file... In the manifest I lsit the dependency...
Now my question is if its possible to explicitly state the version of the package that my jar is dependent of...
Any help would be appreciated
regards
tom

Vijay
Acutally I just read through the thread. Actually what I am working on is an J2EE App Containing a couple of EJB (2.0) components in different jars, some utility jars and 2 Wars. All this is packaged together into an ear.
Now Actually the basic structure is like:
Ear
--> WAR1
--> webinf containing classes and manifest with dependent jars
--> War2
--> EJB Jar
--> metinf containing deployment desc and manifest where the manifest references JDom-b10.jar on the classpath
--> Also conatiner JDom-b10.jar
Acutally the JDom.jar is already loaded by the Application Server (Jboss 3.2.3) in its bootstrap loader... I need to have the b10 as otherwise some other 3rd Party stuff of the Ejb is not running...
Now I expected the classloader to prefer the direct deployment unit against all parents and delegating loader... but it doesnt:
15:17:04,011 INFO [STDOUT]
org.jdom.Document(1bb8ea).ClassLoader=org.jboss.system.server.NoAnnotationURLClassLoader@e3b895
..org.jboss.system.server.NoAnnotationURLClassLoader@e3b895
..sun.misc.Launcher$AppClassLoader@e80a59
....file:/C:/Entwicklungstools/jboss-3.2.3_tomcat-4.1.24/bin/
....file:/C:/Entwicklungstools/abaXX/components36/lib/3rdparty/oracle9iR2.jar
....file:/C:/Entwicklungstools/j2sdk_1.4.2_03/lib/tools.jar
....file:/C:/Entwicklungstools/jboss-3.2.3_tomcat-4.1.24/bin/run.jar
..sun.misc.Launcher$ExtClassLoader@1ff5ea7
....file:/C:/Entwicklungstools/j2sdk_1.4.2_03/jre/lib/ext/dnsns.jar
....file:/C:/Entwicklungstools/j2sdk_1.4.2_03/jre/lib/ext/ldapsec.jar
....file:/C:/Entwicklungstools/j2sdk_1.4.2_03/jre/lib/ext/localedata.jar
....file:/C:/Entwicklungstools/j2sdk_1.4.2_03/jre/lib/ext/sunjce_provider.jar
++++CodeSource: (file:/C:/Entwicklungstools/jboss-3.2.3_tomcat-4.1.24/lib/jdom.jar <no certificates>)
Implemented Interfaces:
++interface java.io.Serializable(f62373)
++++ClassLoader: null
++++Null CodeSource
++interface java.lang.Cloneable(13e8d89)
++++ClassLoader: null
++++Null CodeSource
This above is a small JBoss utility acutally printing out the watched URLs of the CL and the Codesource of a class... .. Now actually the classloader shouldn't use the Jdom.jar mentioned as source but the one listed here:
15:16:24,308 INFO [EJBDeployer] nested deployment: file:/C:/Entwicklungstools/jboss-3.2.3_tomcat-4.1.24/server/tebs/tmp/deploy/tmp27652tebs-0.1-SNAPSHOT.e
ar-contents/tebs-migration-0.1-SNAPSHOT.jar-contents/jdom-b10.jar
Actually I think the problem is pretty close to the thread you mentioned before... AFAIK the classloaders in J2EE Containers have to prefer the direct deployment unit (in this case the jar and its content) to any other parent class loaders files... I also thought that there can be mulitple versions of a class file in one VM an that the appserver has to preserve every app from using a class of another app... So that there is some housing principles....
As I could not figure out how to solve this I came to the question regarding versioning... As both JDom.jars contain version information this would solve my probem... But as you already mentioned AFAIK there is only support to give some verision informationen about a jar in the manifest but nothing mentions that you can explicitely request a specific version.
So If anyone has a clou how I get that crapp working I would be very thankful
Tom

Why won't some .jar files open of my mac

It is a MacBook Pro 15inch core duo from late 2008. It is running what ever software it came with. It opens a select few .jar files but the majority it will not open.
I would like to solve this without having to update the software, so if you thibk you have a solution please share it.

Most likely because the jar file was created using a later version of Java than you have on your system. So, you need to bring your version of Java up to date.

Why doesn't my jar file know about my classpath

I have created a simple java program to illustrate my point. My java program is called ABC.java and this is what is in it:
import java.lang.String;
public class ABC {
     public static void main(String[] args) {
          String myClassPath;
          myClassPath = System.getProperty("java.class.path");
          System.out.println("Running ABC\n");
          System.out.println(myClassPath);
          System.out.println("\nFinished ABC");
If I run java ABC.class I get my classpath printed out, but if I create a jar file I do not get a classpath printed out.
I am asking this because I have written a java app that uses a class from a third part jar file that is in my class path. If I run the .class version the app works as it should. If I run the jar version of the app I get a NoClassDefFoundError for the class in the third party jar file.
Since the third party jar file may be in a different path on diferent machines I can not hard code the classpath in my manifest file.
If I use the -classpath or -cp switch when I run the jar file my demo app still does not print the classpath as it should.
I hope this is just a bonehead error on my part.
Thanks in advance.

This suggestion would work well if I only needed to support one OS.
The problem is that under Windows the third party JAR would be in a
subdirectory under "C:\Program Files" but under Linux and Solaris the JAR
file might be in a subdirectory under opt. My relative path would be different
for each OS. It would be great if I did not have to have a JAR for each OS.
One of the great things about Java was supposed to be that you could have
one application that ran under several OSes.
I forgot to mention that for me example above I was using JDK 1.5.0_09.

Why did many of my files fail to tranfer to LR3 from the Beta?

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If not how do I fix it.
And again, yes the files exsist, have not been moved or renamed and can be opended and edited. The problems is in LR3 database not the files.

I am running XP SP3.
LR3 Beta 1 was my first exposure to LR. Never used or saw LR before I loaded the Beta. I updated to LR3 Beta 2 with no problems.
I was running CS4 with the beta. I purchased the upgrade to CS5 and LR3 at the same time to get the discount. I installed LR3 first and immediatly noticed the problem.
When I installled LR3 I noticed that it was rebuilding or doing something to update the catalog. As I would open a subdirectory in LR containing images it would take a while for each image to appear. I had to click on every subdirectory before the images were listed on the tree. But this did not work on all directories. On some directories there are no images just a blank rectangle with the correct file number, a ? which says Photo is missing when the cursor is hovered over it. If I select one of the "missing files" and then follow the menu for find missing file and then go to the subdirectory where the file exsists LR will ask is I want to restore the file with the new number. But it is the same number. It will be restored with the same number and the old blank place holder will remain, but it can be deleted. I do not want to do this for hundreds images.
When I installed the production release LR3 I also lost all the collectionsd I had created in the Beta's.
CS5 upgraded with no problems.
John Yanko

Why aren't deployed jar files from forte for java CE recognized by iplanet server?

At 09:33 AM 4/20/01, Rottier, Pascal wrote:
Forte 4GL is:
1) A language, TOOL (Compare to Java)
2) An IDE (Compare to e.g. JBuilder or FJCE)
3) A collaborative development environment, with central repository (Compare
to ????)
4) A distributed application server / object request broker (Compare to J2EE
servers and/or CORBA)Let's not forget WebEnterprise, Express, and especially Fusion.
I think, SUN is not al all interested in TOOL.If TOOL were just a language and had no market yet, you are probably
right. But, not only is TOOL the key to the Forte environment, but it has
an existing and profitable market. Sun still sells FORTRAN, after all, and
continues to put money into ADE development for all its language
products. The real kicker, though, is that I think iPlanet is very clear
that Fusion, now iIS, is a very key product for them. There may be those
who wish it were written in Java and who might lobby for doing a Java
version, but it was clear at the conference that the iPlanet management
recognize that Java just isn't up to the task at this point. It isn't as
if all the iPlanet tools are actually written in Java, after all.
They will only support them for as long as they need.Or, more likely, for as long as they make money.
Now, in response to Microsofts .NET stratagy. We have yet to see how
succesfull this will be, but I expect Microsoft to push this down the
throats of developers and companies quite succesfully.Like they did DCOM?
=========================================================================
Thomas Mercer-Hursh, Ph.D email: [email protected]
Computing Integrity, Inc. sales: 510-233-9329
550 Casey Drive - Cypress Point support: 510-233-9327
Point Richmond, CA 94801-3751 fax: 510-233-6950

Locating classes given many JAR files

This may seem a basic thing, but I'm having trouble figuring out how people locate the correct JAR file to include when given just the package and class name.
In searching for a solution to a problem I'd come across web document that tell me all about a particular class or set of classes that will solve this or that problem. The document goes on to give me the package name that the class(es) belong to. The problem is, these classes are in a JAR file and the document doesn't tell me the name of the JAR file or where to get it - assuming I don't have it.
Assuming I do have the JAR file, that JAR file is usually in a directory with many more JAR files (for example, WSAD includes a whole bunch of JAR files or me). What's the best way to locate the package and/or class file(s) within all these JAR files? Why don't authors tell us the name of the JAR file these class(es) are in? Does anyone else have this problem besides me?

Haven't tried. But still worth having a look into this free plug-in for Eclipse.
http://www.icewalkers.com/Linux/Software/520170/JAR-Class-Finder.html
Thanks
Venkat

.jar file is not working properly :developed in NETBEANS

Hi Gurus,
i am using NETBEANS IDE 7.2.
i am developing a project that interacts with databases 10g and COM ports of machine , these all processes are performed by .bat file which i am trying to run from jFramform , code works perfectly .bat file is also called perfectly when i run the project using F6 from the NETBEANS, for testing i placed some dialogue boxes on the form to test it ,
but when i run executable .jar file , form run successfully and dialogue box works perfectly but .bat file is not called by executable .jar file.
this is how i call the .bat file...
String filePath = "D:/pms/Libraries/portlib.bat";
        try {
          Process p = Runtime.getRuntime().exec(filePath);
        } catch (Exception e) {
            e.printStackTrace();
and below is the contents of portlib.bat file
java -jar "D:\SMS\SMS\dist\SMS.jar"
you must probably ask why i am calling a .jar file using .bat file .
reason is that this .jar project sends message using GSM mobile , System.exit(); is compulsory to complete a job and then do the next one ,
if i use the same file to execute this job it makes exit to entire the application (hope you can understand my logic).
that's why i use extra .jar file in .bat file , when single job is completed .bat exits itself and new command is given.
Problem is that code is working perfectly in NETBEANS when i run the project but when i run .jar then .bat file is not working ,
thanks.

Thanks Sir ,
You need to first test an example that works like the one in the article.
There are plenty of other examples on the web - find one you like:
http://javapapers.com/core-java/os-processes-using-java-processbuilder/
I tried this one.
try {
            ProcessBuilder dirProcess = new ProcessBuilder("D:/SMS/SMS/Send_message.bat");
             File commands = new File("D:/SMS/SMS/Send_message.bat");
             File dirOut = new File("C:/process/out.txt");
             File dirErr = new File("C:/process/err.txt");
           dirProcess.redirectInput(commands);
             dirProcess.redirectOutput(dirOut);
           dirProcess.redirectError(dirErr);
             dirProcess.start();
        } catch (IOException ex) {
            Logger.getLogger(mainform.class.getName()).log(Level.SEVERE, null, ex);
as instructed in the article i compiled both the projects at same version or sources and libraries which is 1.7
here is my version details
C:\>javac -version
javac 1.7.0_07
C:\>java -version
java version "1.7.0_07"
Java(TM) SE Runtime Environment (build 1.7.0_07-b11)
Java HotSpot(TM) Client VM (build 23.3-b01, mixed mode, sharing)
inside the NETBEANS IDE c:\process\err.txt remains empty and code works perfectly , but when I run executable .jar file( by double clicking on that file in dist directry) then c:\process\err.txt becomes full with this error text and there is no response from calling D:\SMS\SMS\send_message.bat
here is the error text
java.lang.UnsupportedClassVersionError: sms/SMSMAIN (Unsupported major.minor version 51.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Exception in thread "main"
here is /SMS/SMS
unknown source ?

Jar Files in a Jar File - Classpath Error

Hi,
I created a jar file that will have all the class files of the application. In the manifest file class path, I have the jar files the application is dependent on. The dependent jar files were kept outside of the application jar file. I was able to execute the main file in the application jar file. Then I created another jar file that holds all the dependent jar files the application is dependent on along with the application jar file into one super jar file. configured the main class attribute of the super jar file to that in the application jar file. When I try to execute it, I'm getting an error saying Class Not Found. Can someone guide me in setting the classpath for this super jar file in its manifest file.
Presently my manifest file classpath variable in the super jar file is set as App.jar Depend1.jar Depend2.jar
Thanks,
E H

Java's standard class loaders do not support jar files inside of other jar files, and will give the error you see.
You can write your own customized class loader, use a 3rd-party solution (onejar at sourceforge is one), or remove the interior jars.

Adding JAR file to project

Hi All
How can i add jar to my project environment.
Actually what i did was.
Created one folder called "JavaWork" like d:\JavaWork
and put the jar file into this folder and wrote a test class which is importing some classes from the jar file.
how to use jar ? Please someone help me.
Thanks in advance
Shan

`man jar`
jar(1) jar(1)
NAME
jar - Java archive tool
SYNOPSIS
jar [ -C ] [ c ] [ f ] [ i ] [ M ] [ m ] [ O ] [ t ] [ u ]
[ v ]
[ x file ] [ manifest-file ] destination input-file
[ input-files ]
DESCRIPTION
The jar tool is a Java application that combines multiple
files into a single JAR archive file. It is also a gen-
eral-purpose archiving and compression tool, based on ZIP
and the ZLIB compression format. However, jar was
designed mainly to facilitate the packaging of Java
applets or applications into a single archive. When the
components of an applet or application (.class files,
images and sounds) are combined into a single archive,
they can be downloaded by a Java agent (like a browser) in
a single HTTP transaction, rather than require a new con-
nection for each piece. This dramatically improves down-
load time. The jar tool also compresses files, which fur-
ther improves download time. In addition, it allows indi-
vidual entries in a file to be signed by the applet author
so that their origins can be authenticated. The syntax
for the jar tool is almost identical to the syntax for the
tar(1) command. A jar archive can be used as a class path
entry, whether or not it is compressed.
The three types of input files for the jar tool are:
o Manifest file (optional)
o Destination jar file
o Files to be archived
Typical usage is:
example% jar cf myjarfile *.class
In this example, all the class files in the current direc-
tory are placed in the file named myjarfile. A manifest
file is automatically generated by the jar tool and is
always the first entry in the jar file. By default, it is
named META-INF/MANIFEST.MF. The manifest file is the
place where any meta-information about the archive is
stored. Refer to the Manifest Format in the SEE ALSO sec-
tion for details about how meta-information is stored in
the manifest file.
To use a pre-existing manifest file to create a new jar
archive, specify the old manifest file with the m option:
example% jar cmf myManifestFile myJarFile *.class
When you specify cfm instead of cmf (that is, you invert
the order of the m and f options), you need to specify the
name of the jar archive first, followed by the name of the
manifest file:
example% jar cfm myJarFile myManifestFile *.class
The manifest uses RFC822 ASCII format, so it is easy to
view and process manifest-file contents.
OPTIONS
The following options are supported:
-C Changes directories during execution of the jar com-
mand. For example:
example% jar uf foo.jar -C classes *
c Creates a new or empty archive on the standard out-
put.
f The second argument specifies a jar file to process.
In the case of creation, this refers to the name of
the jar file to be created (instead of on stdout).
For table or xtract, the second argument identifies
the jar file to be listed or extracted.
i Generates index information for the specified jar
file and its dependent jar files. For example,
example% jar i foo.jar
would generate an INDEX.LIST file in foo.jar which con-
tains location information for each package in foo.jar and
all the jar files specified in foo.jar's Class-Path
attribute.
M Does not create a manifest file for the entries.
m Includes manifest information from specified pre-
existing manifest file. Example use:
example% jar cmf myManifestFile myJarFile *.class
You can add special-purpose name-value attribute
headers to the manifest file that are not contained
in the default manifest. Examples of such headers
are those for vendor information, version informa-
tion, package sealing, and headers to make JAR-bun-
dled applications executable. See the JAR Files
trail in the Java Tutorial and the JRE Notes for
Developers web page for examples of using the m
option.
O Stores only, without using ZIP compression.
t Lists the table of contents from standard output.
u Updates an existing JAR file by adding files or
changing the manifest. For example:
example% jar uf foo.jar foo.class
adds the file foo.class to the existing JAR file
foo.jar, and
example% jar umf foo.jar
updates foo.jar's manifest with the information in
manifest.
v Generates verbose output on stderr.
x file
Extracts all files, or just the named files, from
standard input. If file is omitted, then all files
are extracted; otherwise, only the specified file or
files are extracted.
If any of the files is a directory, then that direc-
tory is processed recursively.
EXAMPLES
To add all of the files in a particular directory to an
archive:
example% ls
0.au 3.au 6.au 9.au at_work.gif
1.au 4.au 7.au Animator.class monkey.jpg
e.au 5.au 8.au Wave.class spacemusic.au
example% jar cvf bundle.jar *
adding: 0.au
adding: 1.au
adding: 2.au
adding: 3.au
adding: 4.au
adding: 5.au
adding: 6.au
adding: 7.au
adding: 8.au
adding: 9.au
adding: Animator.class
adding: Wave.class
adding: at_work.gif
adding: monkey.jpg
adding: spacemusic.au
example%
If you already have subdirectories for images, audio
files, and classes that already exist in an HTML direc-
tory, use jar to archive each directory to a single jar
file:
example% ls
audio classes images
example% jar cvf bundle.jar audio classes images
adding: audio/1.au
adding: audio/2.au
adding: audio/3.au
adding: audio/spacemusic.au
adding: classes/Animator.class
adding: classes/Wave.class
adding: images/monkey.jpg
adding: images/at_work.gif
example% ls -l
total 142
drwxr-xr-x 2 brown green 512 Aug 1 22:33 audio
-rw-r--r-- 1 brown green 68677 Aug 1 22:36 bundle.jar
drwxr-xr-x 2 brown green 512 Aug 1 22:26 classes
drwxr-xr-x 2 brown green 512 Aug 1 22:25 images
example%
To see the entry names in the jar file using the jar tool
and the t option:
example% ls
audio bundle.jar classes images
example% jar tf bundle.jar
META-INF/MANIFEST.MF
audio/1.au
audio/2.au
audio/3.au
audio/spacemusic.au
classes/Animator.class
classes/Wave.class
images/monkey.jpg
images/at_work.gif
example%
To display more information about the files in the
archive, such as their size and last modified date, use
the v option:
example% jar tvf bundle.jar
145 Thu Aug 01 22:27:00 PDT 1996 META-INF/MANIFEST.MF
946 Thu Aug 01 22:24:22 PDT 1996 audio/1.au
1039 Thu Aug 01 22:24:22 PDT 1996 audio/2.au
993 Thu Aug 01 22:24:22 PDT 1996 audio/3.au
48072 Thu Aug 01 22:24:23 PDT 1996 audio/spacemusic.au
16711 Thu Aug 01 22:25:50 PDT 1996 classes/Animator.class
3368 Thu Aug 01 22:26:02 PDT 1996 classes/Wave.class
12809 Thu Aug 01 22:24:48 PDT 1996 images/monkey.jpg
527 Thu Aug 01 22:25:20 PDT 1996 images/at_work.gif
example%
If you bundled a stock trade application (applet) into the
following jar files,
main.jar buy.jar sell.jar other.jar
and you specified the Class-Path attribute in main.jar's
manifest as
Class-Path: buy.jar sell.jar other.jar
then you can use the i option to speed up your applica-
tion's class loading time:
example$ jar i main.jar
An INDEX.LIST file is inserted in the META-INF directory
which will enable the application class loader to download
the right jar files when it is searching for classes or
resources.
SEE ALSO
keytool(1)
JAR Files @
http://java.sun.com/docs/books/tutorial/jar/
JRE Notes @
http://java.sun.com/j2se/1.3/runtime.html#exam-
ple
JAR Guide @
http://java.sun.com/j2se/1.3/docs/guide/jar/index.html
For information on related topics, use the search link @
http://java.sun.com/
13 June 2000 jar(1)

Why so many dependent jar files?

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