Javax.crypto classes not found using JDK1.4

We're trying to upgrade to using JDK 1.4, in which the Java Cryptography Extensions are incorporated into the JDK. However, iPlanet does not seem to be able to find the classes that make up the extension.
If I write a simple Java app that creates a java.crypto.SecretKey, and run it from the command line on our web server machine using our Java 1.4 JDK, it runs fine.
If I adapt the same program into a simple servlet and run it from within iPlanet, it fails with a ClassNotFound error trying to find javax/crypto/NoSuchPaddingException.
I've done a lot of variations trying to hone in on the problem, but I'm running out of options. Does anyone have any information or experience with this particular problem?
We're running iPlanet 6.0 SP5 and the JDK is build 1.4.1-b21.

David,
I'm also facing the same problem, none of the javax.crypto classes are found.When I'm running the Encryption code it's working standlone and in Tomcat 4.0 but in IPlanet it's giving me ClassNotFound.
I have added jce.jar in the classpath as mentioned and it's getting picked.
But you have mentioned some start-jvm files, I'm not able to find these files.
Can u please summarize what all settings you did?.
As it's urgent if possible mail me at,
[email protected] (OR)
[email protected]
Sachin

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Class javax.crypto.SecretKey not found in import.

While compilation i am getting this error.
Class javax.crypto.SecretKey not found in import.
I am not able to figure it out . Please help me for that.
Is it related to some classpath setting.

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Runtime error - class not found using JDBC driver and thin client

Hi,
We are running a small Java application on a Sun server which acts as a thin client connecting to an Oracle 8i server running on a different server.
JDK version: 1.3.1_01
OS version: Solaris 7
JDBC classes file: classes12.zip
It compiles fine, but get a runtime error (the DriverManager.registerDriver method )
cruncher [40]% javac -classpath /export/home/mrscot/classes12.zip JDBCtest.java
cruncher [41]% java JDBCtest
Exception in thread "main" java.lang.NoClassDefFoundError: oracle/jdbc/driver/OracleDriver
at JDBCtest.main(JDBCtest.java:7)
cruncher [42]%
Program:
import java.sql.*;
import java.math.*;
class JDBCtest {
public static void main (String args []) throws SQLException {
try {
DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
Connection conn = DriverManager.getConnection(
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rset.close();
stmt.close();
conn.close();
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Any ideas? Probably something very, very stupid I'm overlooking!
Thanks
Scotty ([email protected])

Supplementary question:
Hi,
We are running a small Java application on a Sun server which acts as a thin client connecting to an Oracle 8i server running on a different server.The Oracle version is 8.1.6
Will the 'classes12.zip' for 8.1.7 work with
1.3.1 of the Java JDK, and Oracle 8i 8.16 ??
Thanks Scotty

Class not found error while using ikvm error code IKVMC0100: class "javax.b

hi iam writing a java application which uses bluetoth i.e. javax.bluetooth;
now i need to create exe for c# i.e. my GUI is C# and business logic is java,
so these are steps i have followed
* created a java project (iam using netbeans 6.1)
* after build i used command prompt and travesed to dist of my project location which contains jar
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Class not found only using browser.

I can not run any of my java programs in my browsers. They work fine using the "java" command in a dos window or using the "appletviewer" command. But when I try to view them in a browser, the page appears to load fine but I get no program and the status window of the browser displays a class not found msg.
I've checked spelling, location, capitalization. Everything works fine outside the browsers but will not view in a browser. We had the same problem in school and the instructor just said to stick with the appletviewer for class.
I am running JDK1.2. Any suggestions?
John

Maybe you should try a newer JAVA version.
I had a similar problem, but with a (too) newer JAVA version.
Problem:
You're compiling your applets with a quiet modern compiler (i.e. Netbeans Version 3.5.1)
You are able to compile your applets without any problems but if you try your applets in "real life", the browsers can't interpret your applets [class not found]. (I tested Internet Explorer 6.0 and Netscape Navigator 4.7)
So you need a plugin for the new JAVA environment because the JAVA environment of the browser is older than that which the applet needs.
Well, you have the choice to demand to every user of your applet to download the new Java Runtime Environment, but then don't wonder why nobody visits your site!
But, don't worry: I figuered out another solution, that Netbeans (www.netbeans.org) allows to compile in different JAVA versions.
Solution:
What you have to do is:
- Install a previous version of JDK (i.e. JDK 1.3 - I would suggest, lower versions don't work with Netbeans 3.5.1 and JDK 1.3 is enough for IE 6.0 and NN 4.7, which I tested)
- Go into the "bin"-directory of Netbeans (i.e. c:/netbeans3.5.1/bin)
- Open the file "ide.cfg" (with notepad or any other texteditor)
- You see a line like: jdkhome "C:\java\j2sdk1.4.2" -J-Xmx96m -J-Xss1024k -J-Xms24m -J-Xverify:none
- Change the path to your other JDK you wish, like: jdkhome "C:\java\jdk1.3" -J-Xmx96m -J-Xss1024k -J-Xms24m -J-Xverify:none
- That's it, you can compile your applets in a previous version of JAVA so that "older" browser user don't have to install a plugin for the new JAVA environment.
Have fun!
If you have any questions I would be pleased to help you.
If this tip helped you already I would be pleased if you would send me a quick email with your experience.
My email: [email protected]

Class not found, Jdk1.4 matters?

Why drivers can't be loaded for this machine? Make me strugge for many hours already.
1)
Version j2sdk-1_4_2_07- (Java 2 se, 1.4)
Environment: Windows XP
I keep receiving "Class not found" exception error when running the following simple piece of codes for testing. (No complint When compiling). The code simply reads:
try {
System.out.println("driver loading test step 0 !!!....");
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
System.out.println("driver loaded 1 !!!....");
System.exit(0);
catch (ClassNotFoundException ee) {
System.out.println("Clss not found\n" + ee.getMessage());
My other simple java codes got compiled and run ok in the same enironment.
2)
I then replaced the sun jdcd-odbc bridge driver in the test with a jdbc driver (for Sql server) downloaded from DataDirect.
That is: by replacing the one line above with the following. But it gives me classNot found Exception too. I don't think it has to do with classpath as I add it in the java command line already
Class.forName("com.ddtek.jdbc.sqlserver.SQLServerDriver");
3) I moved the codes to run in my old PC (Windows NT 4) with jdk1.3, the codes are compiled and run WITHOUT Class not found Exception.
I had more than a year experience in developing Java codes (though not recently) but what I experience now is so wierd to me. What's wrong with jdk1.4 or what's wrong with this XP machine?
Thanks.

99.999% of the time, something is wrong with your classpath at execution time, or with the classname you put in your code (those class names do look right though). That the same code works on another machine almost certainly means that something has set the classpath in the environment on one machine and not the other.
.001 percent of the time, something is wrong with your machine, such as a corrupted file system or OS. If so, reformat your drive, and reinstall everything. However, always, there will be other symptoms of problems (mystery crashes, disappearing files, etc.), so don't waste your time doing this unless your computer is already flaky.
Most likely, you just don't know how to set the classpath for execution. For that, use Google.

In compileng time this class not found import javax.media.jai.JA

Hi,
I�m download
jai_imageio-1_0_01-lib-windows-i586
jai_imageio-1_0_01-lib-windows-i586-jdk
jai_imageio-1_0_01-lib-windows-i586-jre
jdk-1_5_0_02-windows-i586-p
in compel time
import com.sun.media.jai.codec.*;
import javax.media.jai.JAI;
The complier gave me error class not found
How can i configured my system
I have Windows XP
[email protected]

try compiling like this:
java -cp "." myTest
This is not compiling, here you execute the already
compiled myTest.java file (or it should be already
compiled). To compile you may want to use javac or any
other available compiler.Oops, sorry, I didn't mean compiling.
If you were able to compile ok, you can try running the program by using:
java -cp "." myTest
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Keep getting VncViewer.class not found error when trying to use Windows 7

Greetings,
I have no issue accessing the OVM Manager 2.2 with OEL 5.4 x86_64 with the latest Java release from ULN. But when I use a Windows 7 client ( x86) with the Sun Java 6 Update 18 I get the following error when trying to access the Console of a VM Guest:
Java Plug-in 1.6.0_18
Using JRE version 1.6.0_18-b07 Java HotSpot(TM) Client VM
User home directory = C:\Users\deverej
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
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r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
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load: class VncViewer.class not found.
java.lang.ClassNotFoundException: VncViewer.class
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:http://141.144.112.202:8888/OVS/faces/app/VncViewer/class.class
     at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
     at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
     at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
     at java.security.AccessController.doPrivileged(Native Method)
     ... 7 more
Exception: java.lang.ClassNotFoundException: VncViewer.class
I am curious fi I should use only a specifc Java Engine with IE 7 or the latest Firefox browers.

Same issue to with Windows XP SP3 x86 with Java Runtime Enviornment 1.5.0_15
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Java 6 Update 17

Class not found in applet using 2 jar files

I have an applet which has been working for years as a stand alone or connecting directly to a derby database on my home server. I have just changed it to connect to MySQL on my ISP server via AJAX and PHP.
I am now getting a class not found error in my browser, probably because I'm stuffing up the class path.
The HTML I am using to call the applet is:
<applet code="AMJApp.class"
codebase="http://www.interactived.com/JMTalpha"
archive="AMJ014.jar,plugin.jar"
width="500"height="500"
MAYSCRIPT style="border-width:0;"
name="jsap" id="jsap"></applet>The AMJ014.jar contains the applet and supporting class files.
The error message is strange to me because it refers to a class I noticed on another web page but which has nothing to do with my applet. Anyway, the message in full is:
load: class NervousText.class not found.
java.lang.ClassNotFoundException: NervousText.class
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Exception: java.lang.ClassNotFoundException: NervousText.class
java.lang.UnsupportedClassVersionError: AMJApp : Unsupported major.minor version 51.0
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     at java.lang.ClassLoader.defineClassCond(Unknown Source)
     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.defineClass(Unknown Source)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
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     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.defineClassHelper(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.access$100(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader$2.run(Unknown Source)
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     at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
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     at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
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Thanks again.
The page code is:
<html>
<head>
<title>Applet to JavaScript to PHP</title>
</head>
<body>
<script type="text/javascript">
function updateWebPage(myArg)
document.getElementById("txt1").innerHTML=myArg;
if (myArg=="")
document.getElementById("cbxItem").innerHTML="";
return;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
xmlhttp.onreadystatechange=function()
if (xmlhttp.readyState==4 && xmlhttp.status==200)
    document.getElementById("cbxItem").innerHTML=xmlhttp.responseText;
xmlhttp.open("GET","putitem.php?id="+myArg,true);
xmlhttp.send();
</script>
<form>
<table border=1 align='center' cellpadding=0 cellspacing=0 >
<tr><td style='text-align:center; background-color:#C0C0C0'>Compiled Java Applet</td></tr>
<tr><td><applet code="AMJApp.class" codebase="http://www.interactived.com/JMTalpha" archive="AMJ014.jar" width="500"height="500" MAYSCRIPT style="border-width:0;" name="jsap" id="jsap"></applet> </td></tr>
<tr><td style='text-align:center; background-color:#C0C0C0'>HTML Textbox filled by JavaScript</td></tr>
<tr><td><textarea style='width:500px; height:50px' name='txt1' id='txt1'>Query goes here</textarea></td></tr>
<tr><td style='text-align:center; background-color:#C0C0C0'>HTML diagnostic messages rendered by PHP script</td></tr>
<tr><td><div id="cbxItem">PHP info will populate this space</div></td></tr>
</table>
</form>
</body>
</html>The URL of the problem page is:
http://www.interactived.com/JMTalpha/AMJTest.htm
The code in the page is based on the following test page, which works:
http://www.interactived.com/test5Applet.htm
And the Applet, before I made any changes can be seen at this address:
http://www.interactived.com/jartest0906.htm
Thanks again for you interest.
Edited by: 886473 on 21-Sep-2011 00:47

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Javax.crypto classes not found using JDK1.4

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