Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Unable to Verify Sun Microsystems' (Bought over by Oracle) Java 6 Update 21 Plugin in Firefox 4.0 Beta 3 in Fedora 11 x86_64 64-bit Linux Operating System

  • 2 replies
  • 4 have this problem
  • 4 views
  • Last reply by enmingteo

more options

My Fedora 11 Linux operating system is 64-bit (currently running standard Fedora kernel, NOT Xen pv-ops Dom0 kernel) My Firefox 4.0 Beta 3 web browser (above Firefox 3.6.8 already) is 32-bit. My Sun Java 6 Update 21 Plugin is also 32-bit.

In about:plugins in Firefox, I get:


   Java(TM) Plug-in 1.6.0_21
   File: libnpjp2.so
   Version: 
   The next generation Java <http://java.sun.com> plug-in for Mozilla
   browsers.

MIME Type Description Suffixes application/x-java-vm Java^(TM) Plug-in application/x-java-applet Java^(TM) Plug-in Applet application/x-java-applet;version=1.1 Java^(TM) Plug-in application/x-java-applet;version=1.1.1 Java^(TM) Plug-in application/x-java-applet;version=1.1.2 Java^(TM) Plug-in application/x-java-applet;version=1.1.3 Java^(TM) Plug-in application/x-java-applet;version=1.2 Java^(TM) Plug-in application/x-java-applet;version=1.2.1 Java^(TM) Plug-in application/x-java-applet;version=1.2.2 Java^(TM) Plug-in application/x-java-applet;version=1.3 Java^(TM) Plug-in application/x-java-applet;version=1.3.1 Java^(TM) Plug-in application/x-java-applet;version=1.4 Java^(TM) Plug-in application/x-java-applet;version=1.4.1 Java^(TM) Plug-in application/x-java-applet;version=1.4.2 Java^(TM) Plug-in application/x-java-applet;version=1.5 Java^(TM) Plug-in application/x-java-applet;version=1.6 Java^(TM) Plug-in application/x-java-applet;jpi-version=1.6.0_21 Java^(TM) Plug-in application/x-java-bean Java^(TM) Plug-in JavaBeans application/x-java-bean;version=1.1 Java^(TM) Plug-in application/x-java-bean;version=1.1.1 Java^(TM) Plug-in application/x-java-bean;version=1.1.2 Java^(TM) Plug-in application/x-java-bean;version=1.1.3 Java^(TM) Plug-in application/x-java-bean;version=1.2 Java^(TM) Plug-in application/x-java-bean;version=1.2.1 Java^(TM) Plug-in application/x-java-bean;version=1.2.2 Java^(TM) Plug-in application/x-java-bean;version=1.3 Java^(TM) Plug-in application/x-java-bean;version=1.3.1 Java^(TM) Plug-in application/x-java-bean;version=1.4 Java^(TM) Plug-in application/x-java-bean;version=1.4.1 Java^(TM) Plug-in application/x-java-bean;version=1.4.2 Java^(TM) Plug-in application/x-java-bean;version=1.5 Java^(TM) Plug-in application/x-java-bean;version=1.6 Java^(TM) Plug-in application/x-java-bean;jpi-version=1.6.0_21 Java^(TM) Plug-in


All properly installed.

But, when I go to verify Java version, by clicking on the following internet link:

http://www.java.com/en/download/installed.jsp

I get "Error. Click for details".

Here is the Java Console output detailing the error:

Java Plug-in 1.6.0_21 Using JRE version 1.6.0_21-b06 Java HotSpot(TM) Server VM User home directory = /home/enming


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 o: trigger logging q: hide console r: reload policy configuration s: dump system and deployment properties t: dump thread list v: dump thread stack x: clear classloader cache 0-5: set trace level to <n>



load: class testvm2/Main.class not found. java.lang.ClassNotFoundException: testvm2.Main.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)

Caused by: java.net.UnknownHostException: www.java.com

    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at sun.net.NetworkClient.doConnect(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.http.HttpClient.openServer(Unknown Source)
    at sun.net.www.http.HttpClient.<init>(Unknown Source)
    at sun.net.www.http.HttpClient.New(Unknown Source)
    at sun.net.www.http.HttpClient.New(Unknown Source)
    at 

sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)

    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown 

Source)

    at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
    at 

sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)

    at java.net.HttpURLConnection.getResponseCode(Unknown Source)
    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)
    ... 9 more

Exception: java.lang.ClassNotFoundException: testvm2.Main.class



What's going on? And what's wrong?

Yours sincerely,

Mr. Teo En Ming (Zhang Enming) Citizenship: Singapore Citizen/Singaporean Facebook account:http://www.facebook.com/profile.php?id=100000750083982 Location: Bedok Reservoir Road, Singapore 470103 My Open Letter (Plea for Medical Help/Assistance) to World Leaders: http://lists.fedoraproject.org/pipermail/users/2010-August/380213.html

My Fedora 11 Linux operating system is 64-bit (currently running standard Fedora kernel, NOT Xen pv-ops Dom0 kernel) My Firefox 4.0 Beta 3 web browser (above Firefox 3.6.8 already) is 32-bit. My Sun Java 6 Update 21 Plugin is also 32-bit. In about:plugins in Firefox, I get: Java(TM) Plug-in 1.6.0_21 File: libnpjp2.so Version: The next generation Java <http://java.sun.com> plug-in for Mozilla browsers. MIME Type Description Suffixes application/x-java-vm Java^(TM) Plug-in application/x-java-applet Java^(TM) Plug-in Applet application/x-java-applet;version=1.1 Java^(TM) Plug-in application/x-java-applet;version=1.1.1 Java^(TM) Plug-in application/x-java-applet;version=1.1.2 Java^(TM) Plug-in application/x-java-applet;version=1.1.3 Java^(TM) Plug-in application/x-java-applet;version=1.2 Java^(TM) Plug-in application/x-java-applet;version=1.2.1 Java^(TM) Plug-in application/x-java-applet;version=1.2.2 Java^(TM) Plug-in application/x-java-applet;version=1.3 Java^(TM) Plug-in application/x-java-applet;version=1.3.1 Java^(TM) Plug-in application/x-java-applet;version=1.4 Java^(TM) Plug-in application/x-java-applet;version=1.4.1 Java^(TM) Plug-in application/x-java-applet;version=1.4.2 Java^(TM) Plug-in application/x-java-applet;version=1.5 Java^(TM) Plug-in application/x-java-applet;version=1.6 Java^(TM) Plug-in application/x-java-applet;jpi-version=1.6.0_21 Java^(TM) Plug-in application/x-java-bean Java^(TM) Plug-in JavaBeans application/x-java-bean;version=1.1 Java^(TM) Plug-in application/x-java-bean;version=1.1.1 Java^(TM) Plug-in application/x-java-bean;version=1.1.2 Java^(TM) Plug-in application/x-java-bean;version=1.1.3 Java^(TM) Plug-in application/x-java-bean;version=1.2 Java^(TM) Plug-in application/x-java-bean;version=1.2.1 Java^(TM) Plug-in application/x-java-bean;version=1.2.2 Java^(TM) Plug-in application/x-java-bean;version=1.3 Java^(TM) Plug-in application/x-java-bean;version=1.3.1 Java^(TM) Plug-in application/x-java-bean;version=1.4 Java^(TM) Plug-in application/x-java-bean;version=1.4.1 Java^(TM) Plug-in application/x-java-bean;version=1.4.2 Java^(TM) Plug-in application/x-java-bean;version=1.5 Java^(TM) Plug-in application/x-java-bean;version=1.6 Java^(TM) Plug-in application/x-java-bean;jpi-version=1.6.0_21 Java^(TM) Plug-in All properly installed. But, when I go to verify Java version, by clicking on the following internet link: http://www.java.com/en/download/installed.jsp I get "Error. Click for details". Here is the Java Console output detailing the error: Java Plug-in 1.6.0_21 Using JRE version 1.6.0_21-b06 Java HotSpot(TM) Server VM User home directory = /home/enming ---------------------------------------------------- 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 o: trigger logging q: hide console r: reload policy configuration s: dump system and deployment properties t: dump thread list v: dump thread stack x: clear classloader cache 0-5: set trace level to <n> ---------------------------------------------------- load: class testvm2/Main.class not found. java.lang.ClassNotFoundException: testvm2.Main.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) Caused by: java.net.UnknownHostException: www.java.com at java.net.PlainSocketImpl.connect(Unknown Source) at java.net.SocksSocketImpl.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at sun.net.NetworkClient.doConnect(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.openServer(Unknown Source) at sun.net.www.http.HttpClient.<init>(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.http.HttpClient.New(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at java.net.HttpURLConnection.getResponseCode(Unknown Source) 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) ... 9 more Exception: java.lang.ClassNotFoundException: testvm2.Main.class What's going on? And what's wrong? Yours sincerely, Mr. Teo En Ming (Zhang Enming) Citizenship: Singapore Citizen/Singaporean Facebook account:http://www.facebook.com/profile.php?id=100000750083982 Location: Bedok Reservoir Road, Singapore 470103 My Open Letter (Plea for Medical Help/Assistance) to World Leaders: http://lists.fedoraproject.org/pipermail/users/2010-August/380213.html

Modified by enmingteo

All Replies (2)

more options

What are the Java connections settings in the Java Control Panel?

See http://java.sun.com/javase/6/webnotes/install/jcp.html

more options

There's nothing about Java connection settings and Java Control Panel in the link you have supplied.

http://java.sun.com/javase/6/webnotes/install/jcp.html