Java plugin

Hi,
I've just started using plugins so I'm not sure if I understand this correctly. (not really a web programmer)
If an applet is built with JRE 1.4.1 and the pluginspage tag references the corresponding install URL do I have to be concerned about the compability of the underlying OS and the plugin version?
In other words say I have classic Mac OS running netscape 4.x can I still view applets build with JRE1.2 and above??

Well, not really. Basically, to truly force a Plugin you do have to use the <OBJECT> tag. I say not really because if the user has a plugin installed that is 1.3.1_01a or later, the Plugin will use the highest on installed. However, this only guarantees use of the latest plugin, not the one you want. The <OBJECT> tag is the only real alternative for any serious web application.
I'll give you a link to a web page that discusses the different possibilities:
http://java.sun.com/products/plugin/versions.html
Eric

Similar Messages

Forms Web application is not working on FireFox Browser-with java plugin

Hi All,
We are running custom build forms application using forms 10g and application server 10 g Rel 2. We are using Java Plug-in 1.5.0_06. The application is working fine before recent update from firefox .Now it's not working and keep on asking additional plug in required and taking to java.sun.com for installing the plug in. Even after installing when we access the application it will do the same thing. I tried uninstalling the firefox with the older version and with diffrent java plugin versions.. but the problem still there.. any help will be mush appriciated...
Thanks...
Edited by: rkadaru on May 5, 2010 1:57 PM

plugin and webstart are not yet available in 64bit jre distributions from Sun.
These are targeted to 6u12 or there abouts.
/Andy

Fedora 13: After upgrading from FF3.6 to FF6.0.2 I no longer have a Java plugin. How do I configure the Java Plugin for FF 6 ? There is no Java Plugin at the site

I am Fedora 13x64 bit. I just installed FF v6.0.2 from the FF download site. I backed up the existing FF 3.6 as firefox_old
I need to have a Java plugin to access company site, how do I configure the Java Plugin ?
At the Plugin area in FF6 there is no Java Plugin available, even after a search.
I have Java 1.6.0 installed in the OS at:
/usr/lib/jvm/java-1.6.0/jre/lib/amd64/libnpjp2.so
I googled how to configure Java Plugin for FF 6 for Fedora 13 and the trick was to create a soft link from /home/<userID>/.mozilla/plugins to the above libnpjp2.so

AVtech wrote:
. . . If a person can't get an answer here I don't know where else to turn since Sun certainly wouldn't offer tech support for a free product . . .These forums are user forums, and only occasionally visited by Sun employees. Sun does provide Java technical support options, although (of course) at a charge.
See:
http://developers.sun.com/services/
. . . I guess we'll just use JRE 5 until it's unsupported, whenever that will be. I'm still waiting for an answer on that question, too. See:
http://java.sun.com/products/archive/eol.policy.html
http://www.sun.com/service/eosl/
This document (part IV and Appendix) has some debugging and troubleshooting information that may allow someone involved in the problem to resolve the cause:
See:
http://java.sun.com/javase/6/docs/technotes/guides/plugin/developer_guide/contents.htm
Any steps that you can take to isolate the problem to specific Java versions, browsers, applets, web sites, operating systems (and versions), etc, would enhance the possibility of getting help.
You can try the applets at this Sun location and see if any of them are "slow".
See:
http://java.sun.com/javase/6/docs/technotes/samples/demos.html

Java Plugin 1.3.1 on RedHat Linux 7.1

I downloaded and installed the Java SDK 1.3.1 for linux.
When I try to view an applet written in Netscape I get the following error message on the bottom left corner of the browser window:
ClassdefError javax.japplet not found.
However, I can see the applet in the appletviewer.
In order to install the plugin I did the following:
I removed the old plugin:
rm -fr $Home/.netscape/.java
rm $Home/.netscape/plugin/javaplugin.so
Then, to install the plugin I set the netscape environment variable :
export NPX_PLUGIN_Path = /usr/java/jdk1.3.1/jre/bin/plugin/ns4/javaplugin.so
How can I tell whether the netscape 4.7 browser is using this plugin??
Could someone please tell me what is causing the error?? Please be very specific, I am new to RH Linux.
Thank You
Mihir Chokshi
email: [email protected]

try to make a link to your java plugin from netscape plugin directory:
cd your_netscape_dir/plugins
ln -s /usr/java/jdk1.3.1/jre/bin/plugin/ns4/javaplugin.so try to fid netscape dir in /usr/lib/netscape/ or /usr/local/netscape ..
Iulian

I am running 10.5.8, and just updated my java to java 5 update10. Now my firefox is missing the Java plugin, and I can't load any Java applet at all. When I try it with Safari, it hangs when certain Java applet loads. HELP!!!

Suddenly my Java plugin is missing and i can't load any Java with Firefox at all, even though i have it enabled in the browser! i've tried loading in java embedding plugin, but it doesn't work. what should i do???

It's not in Tools> Add-ons >plugins? Should be Java Plug-in 2 for NPAPI browsers 13.5.0. What are you seeing there? I don't think it's called the embedding plugin any longer.
Might try getting the Firefox 5 standalone application. Trash the current one and replace it. Doing this won't affect your Profile or any settings.
http://www.mozilla.com/en-US/firefox/all.html
If it's enabled, how can it be missing?
If this doesn't work, ask here. No need to register. Make sure you put (Mac) in the title.
http://forums.mozillazine.org/viewforum.php?f=38
Message was edited by: WZZZ
EDIT. Oops, may be different for 10.5.8. Was thinking recent Java update for 10.6. But try installing a new app anyway. In the past, this got me the latest Java plugin.

I am using oracle Apps ERP in firefox wherein there is a Java Plugin , This is working fine in 3.5 version but as soon as i am upgrading to the latest version oracle is not working and firefox crashes. I can't upgrade even though i wish to

We are using Oracle ERP in our company which is a web based ERP system. I am using firefox to work in ERP for convinieince pf working and using internet at the same time. This requires a plugin provided by oracle oajinit.exe to be installed in Plugins it is a JAVA plugin which opens the ERP Screens. This works fine in versions prior to 3.6 version of firefox. However, after upgrading to 3.6 version the forms do not open and firefox crashes. Due to this i am not able to upgrade to the latest version else i'll have to operate the ERP in internet explorer and using firefox for browsing which i do not want. The plugin used for the ERP is "* JInitiator 1.3.1.18 for Netscape Navigator (DLL Helper)"

Firefox 3.6 needs the Java Second Generation Plugin which comes with newer versions than 1.6.0_03 - update Java, the latest version is 1.6.0_22

Java plugin not working on any browser (64-bit system)

Hi there!
I'm having a major problem with running Java plugin on all of my browsers (Opera, Chromium and Firefox) under my Arch Linux 64-bit system. The system is fully up-to-date, and Java plugin is being displayed among other plugins on "about:plugins" screen. The Java Environment was installed from Community
[zbyszek@barca ~]$ yaourt -Qs jre
community/jre 6u24-1
Sun/Oracle's Java Runtime Environment
Any ideas how to solve this?

Hi,
Maybe (just maybe, dont shoot me afterwards ) this link can help:
http://plugindoc.mozdev.org/linux-amd64.html#java-sun
Thor

Java plugin causing Firefox to crash

I installed the newest Java plugin today and it asked me to restart Firefox. Now it crashes as soon as I open it. It will not open in Safe Mode because it won't stay open for more than half a second. I tried re-installing it and restarting my computer and it's having the same problem. I can't open about:crashes because it won't stay open.

Make sure that you've installed the 32 bit Java version because Firefox is a 32 bit application.
*http://www.oracle.com/technetwork/java/javase/downloads/index.html (Java Platform > Java SE 6 > Download JRE)

The Java plugin has created a time unfriendly issue with my e-mail account, I can not open or send any e-mail without using this plugin, how can I eliminate this problem without dropping m. firefox?

A few days ago I tried to e-mail a friend, when I started A box came up and it required me to add a plugin..Java. I contacted my e-mail courier and microsoft, they told me that is was a plugin from Mozilla Firefox. Since then I must go through Java to send or open an e-mail... this is NOT to my satisfaction, it takes too long for all of this to open and if it is not cleared , I am dropping Mozilla and going elsewhere. Why has this occurred? Is this a result of the last update? If so can I delete the last update and continue on the other version?
== This happened ==
Every time Firefox opened
== last week

Sorry, I have no idea what you mean by '''"The Java plugin has created a time unfriendly issue with my e-mail account, I can not open or send any e-mail without using this plugin,"'''.
If you think your problem is caused by the Java plugin, you should visit the Java support forum for assistance.
http://forum.java.sun.com/index.jspa
If you could explain what you mean by '''"time unfriendly''' issue with my e-mail account", maybe we'll be able to help you solve that issue.
It might be helpful for us if we knew exactly which web-mail provider you are using. It seems strange to me that viewing or sending web-mail would actually "need" Java for operation, its more likely that some other item on the web page needs Java to run some advertising or other garbage that isn't a necessary part of the web-mail functionality you want to use.

How can we install the Java Plugin from the html page

Hi,
I am using java plugin 1.3.1_02 for my applet pages.
How can I install that plugin in the client machine without installing manually.
I used,
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
width="600" height="400" align="middle"
codebase="http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,1,2">
<PARAM NAME="code" VALUE="SignedAppletDemo.class">
<PARAM NAME="archive" VALUE="SSignedApplet.jar">
<PARAM NAME="type" VALUE="application/x-java-applet;version=1.3">
</OBJECT>
But it is downloading java plugin 1.3.1_03.
Can anybody help me
Thanks & Regards
Raja

Using object tags is the correct way and only way to download the plugin and let the client decide whether he can download it r not. There is no way to install automatically
I dont think there is a way to install automatically without a user intervention coz, it can open the floodgates for potential hackers.
Can u cite an example about which programs can be installed automatically and why do u want the plugin to be installed automatically?
ciao

I have windows 7 64bit. When i installed firefox and then java, i do not have java tm platform or any java plugin. I can't watch free movie's online!!

As i told i have Windows 7 Ultimate 64bit version. I install java and have problems with Java Deployment Toolkit and Java(TM) Platform SE. It won't show in add-on. I cant watch movies. When I play movie it says java is missing but when I use IE I can watch some movies. I try reinstaling Java and even reinstall Windows. But problem was still there. I run java check (from Firefox) to see if java is installed and it confrmed. I even try diferent versions of Java and Mozilla. I even use JDK and JRE. I install java for 64bit and mozilla is also for 64bit version of system.
I have another laptop with 32 bit version and everything works great. Installation procedure was same (only used 32bit versions of softwares).
When I go to control panel and java options (windows 64bit) enable java content in your browser is marked. But in advanced tab default java for browser (mozilla family) is unmarked. And when I mark box and leave (apply then ok) and return box is empty. It wont confirm. In 32bit version of laptop i have alsou java plugin but in 64 bit it is not there. Here is a picture what I was talking about. This is on windows 32 bit for 64bit is some just box for mozilla family is empty and under that java plugin do not exist.
[code]http://s23.postimg.org/dl4dun4p7/Untitled.jpg[/code]
hope someone have solution!!

you don't have to reinstall firefox or java, you can just download and install the 32bit-java next to your currently installed java version. it should then be picked up by firefox and be displayed under firefox > addons > plugins...

Does Firefox support java applets if the "Next generation plugin" is disabled via the Java plugin control panel.

I'm still trying to get a definitive answer to this question.
My applet is not "Next Generation compliant". When we run our applet in Internet Explorer it runs fine as long as we disable the "Next Generation Plugin" via the Java plugin control panel. However our applet does not run in Firefox if the "next generation applet" is disabled.
Is it a requirement that if I want to run an applet in Firefox 3.6.x or higher that the "next generation plugin" be enabled via the Java plugin control panel.

Current Firefox versions (3.6 and later) can only run Java applets via the Next Generation plugin.
*http://java.com/en/download/help/new_plugin.xml

How do I get the SUN Java plugin to work in Firefox 8.0 or Seamonkey 2.6?

After a recent automatic upgrade of Firefox on my Xubuntu 11.04 system, the SUN Java plugin is no longer recognized by Firefox. I tried the old method of manually symlinking the corresponding library to /usr/lib/mozilla/plugins and various other directories that contained plugins, but to no avail. Other plugins like Flash work fine.
Having the SUN Java plugin working is a must for me in order to be able to access my online bank, the Citrix server at my workplace, etc.

Also,
Exit Firefox and rename the '''pluginreg.dat''' in your profile folder and start Firefox again. This may help to reinitialize the plugins that Firefox recognizes.
Useful links:
[https://support.mozilla.com/en-US/kb/Options%20window All about Tools > Options]
[http://kb.mozillazine.org/About:config Going beyond Tools > Options - about:config]
[http://kb.mozillazine.org/About:config_entries about:config Entries]
[https://support.mozilla.com/en-US/kb/Page%20Info%20window Page Info] Tools (Alt + T) > Page Info, Right-click > View Page Info
[https://support.mozilla.com/en-US/kb/Keyboard%20shortcuts Keyboard Shortcuts]
[https://support.mozilla.com/en-US/kb/Viewing%20video%20in%20Firefox%20without%20a%20plugin Viewing Video without Plugins]
[http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder & Files]
[https://developer.mozilla.org/en/Command_Line_Options#Browser Firefox Commands]
[https://support.mozilla.com/en-US/kb/Basic%20Troubleshooting Basic Troubleshooting]
[https://support.mozilla.com/en-US/kb/common-questions-after-upgrading-firefox-36 After Upgrading]
[https://support.mozilla.com/en-US/kb/Safe%20Mode Safe Mode]
[http://kb.mozillazine.org/Problematic_extensions Problematic Extensions]
[https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes Troubleshooting Extensions and Themes]
[https://support.mozilla.com/en-US/kb/Troubleshooting%20plugins Troubleshooting Plugins]
[http://kb.mozillazine.org/Testing_plugins Testing Plugins]

How Do I know If I have Java Plugin 1.5

I just purchased a network drive that moves files on a website. In order to use the Drag and Drop feature, the instructions say I need Java Plugin Version 1.5 on my browser. I have both the most recent versions of Safari and Firefox. Neither allows the drag and drop of the files. The website says that the Drop and Drag only works if there is the Java Plugin Version 1.5 installed, but when I try to download the plugin, the site states that if I have a Mac with Snow Leopard, I automatically have the plugin. I am trying to find out why this drag and drop does not work. Any suggestions?

Thank you for your answer. My problem is with the software for the Seagate GoFlex Home wireless network drive, which is controlled by a company website, which is logged into. One of the primary features is the ability to drag and drop large groups of files from Finder to a box on the website which supposedly transfers these files to the network drive. There is information in the manual for the drive, that this works based on the java plugin 1.5. When it didn't work, I thought I did not have the correct plugin as part of Safari, but you have shown me how to check, and that does not seem to be the problem. I will try to get further answers from Seagate, though I do not see that its other users have raised this issue on its forum website.

Steps to create your own self signed certificate with java plugin working

You need two tools that comes with your jdk which are keytool and jarsigner.
Steps explain below in detail. Don't use netscape signtool, it will NEVER work!
* keytool -genkey -keyalg rsa -alias tstkey -keypass 2br2h2m -dname "cn=Test Object Signing Certificate, o=AI Khalil, ou=Java Products, c=AU"
cn = Certificate name
o = organistation
ou = organistation unit
c = country (first two letters)
If don't put the -dname, you can fill it line by line.
The -keypass has to be verify at the end, and you have to wait for it to create the rsa signing keys.
On NT by default it will put the alias information at D:\WINNT\Profiles\Administrator (if log in as administrator) with the default file called ".keystore". Windows 98 etc, don't know, search for .keystore
file. When you update it, check for the timestamp change and you know if you at the right spot.
You can store your alias information via the -storepass option to your current directory you work on, if you don't want to update the default .keystore file?
The .keystore contains a list of alias so you don't have to do this process again and again.
Another tip if you want your certificate encryption validity to be more than the default one month is simply
add the -validity <valDays>, after the -genkey option, to make your certificate usage for encryption to last much longer.
Note: You MUST use the -keyalg rsa because for starters the rsa encyption alogorthim is supported on ALL browsers instead of the default DSA and the other one SHA. Java plugins must work with the RSA algorthim when signing applets, else you will get all sorts of weird errors :)
Do not use signtool because thats a browser dependant solution!! Java plugin is supposed to work via running it owns jre instead of the browser JVM. So if you going to use netscape signtool, it starts to become a mess! ie certificate will install, but applet won't start and give you funny security exception errors :)
* keytool -export -alias tstkey -file MyTestCert.crt
It will read the alias information in the .keystore information picking up the rsa private/public keys info and
create your self sign certificate. You can double click this certificate to install it? But don't think this step is needed but maybe for IE? Someone else can check that part.
If you make a mistake with the alias, simply keytool -delete -v -alias <your alias key>
If not in default .keystore file, then simply keytool -delete -v -alias <your alias key> -keystore <your keystore filename>
* Put your classes in your jar file, my example is tst.jar.
* jarsigner tst.jar tstkey
Sign your testing jar file with your alias key that supports the RSA encryption alogorthim.
* jarsigner -verify -verbose -certs tst.jar
Check that its been verified.
The last step is the most tricky one. Its to do with having your own CA (Certified Authority) so you don't
have to fork out money straight away to buy a Verisign or Twarte certificate. The CA listing as you see in
netscape browsers under security/signers, is NOT where the plugin looks at. The plugin looks at a file called
CACERTS. Another confusion is that the cacerts file is stored in your jre/lib/security AND also at your
JavaSoft/Jre/<Java version>/lib/security. When you install the Java plugin for the first time in uses your
JavaSoft folder and its the cacerts file that has to be updated you add your own CA, because thats where
the plugin look at, NOT THE BROWSER. Everything about plugin is never to do with the browser!! :)
* keytool -import -file MyTestCert.crt -alias tstkey -keystore "D:\Program Files\JavaSoft\JRE\1.3.1\lib\security/cacerts"
Off course point to your own cacerts file destination.
Password to change it, is "changeit"
Before you do this step make a copy of it in its own directory in case you do something silly.
This example will add a CA with alias of my key called "tstkey" and store to my example destination.
* keytool -list -v -keystore "E:/jdk/jdk1.3/jre/lib/security/cacerts"
List to see if another CA is added with your alias key.
Your html, using Netscape embed and Internet explorer object tags to point to the java plugin,
your own self sign applet certificate should work
Cheers
Abraham Khalil

I follow Signed Applet in Plugin, and it's working on
my computer. Thanks
But When I open my applet from another computer on
network, why it does not work ..?
How to make this applet working at another computer
without change the policy file ..?
thanks in advance,
AnomYou must install the certificate on that computers plugin. Can this be done from the web? can anyone suggest a batch file or otherwise that could do this for end users?
I want a way for end users to accept my cert as Root or at least trust my cert so I dont have to buy one. I am not worried about my users refusing to accept my cert. just how do I make it easy for them? IE you can just click the cert from a link, but that installs for IE, and not the plugin where it needs to be.

How do I fix my Java plugin?

In my Firefox browser, I have two potentially vulnerable plugins: "Java Deployment Toolkit 7.0.400.43" and "Java Platform SE 7 U40." I uninstalled Java Platform (I believe it was 6.0), so I'm not sure why it is showing as a plugin. Anyway, in my attempt to uninstall the Java 7 Update, I get an error message that says "The feature you are trying to use is on a network resource that is unavailable." I'm prompted to "Click Ok to try again, or enter an alternate path to a folder containing the installation package "jre.1.7.0_21-c.msi" in the box below.
It appears that a folder within my c drive is missing. I don't understand it as this is a file that I do not mess with. Apparently, it is the subfolders within the c drive; specifically, the appsdata subfolder was hidden! Even after I unhid it, I'm still missing the local subfolder which is where Java normally would go. Java is instead located on a local low subfolder, but I can't uninstall this because this path (Local low) is not recognized). Any help is much appreciated!!
I am not a computer geek, so can you please provide the answer in as simple a manner as possible? Thank you in advance for your time and efforts.

The first thing you should do is to '''uninstall''' older versions of Java. <br />
http://www.java.com/en/download/uninstallapplet.jsp
Then see this support article. <br />
https://support.mozilla.org/en-US/kb/use-java-plugin-to-view-interactive-content
Java Version 7 Update 45 is the latest version <br />
http://java.com/en/download/index.jsp

Java plugin

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