Change in behaviour in the extension mechanism in 1.1

I am using the Georaptor extension, which adds an item in the contextual menu in the explorer window.
Practically speaking: I right-click on a table, and the resulting menu includes a "Georaptor" option that then leads to further options.
This mechanism worked OK in SQL Developer 1.0, but no longer in 1.1. - i.e. the "Georaptor" item no longer happens.
Any idea what caused that change of behavior ? I can try and fix the georaptor code, but I don't really know where to start ...
Thanks
Albert

Thanks for the hint, Brian.
The extension is listed as "loaded". Actually the extension works. The only missing function is the menu item in the right-click contextual menu associated with tables in the explorer menu.
I suspect that the extensibility API somehow evolved in such a way that setting up this contextual menu is now slightly different.
Is there any "debug" mode for SQL Developer - something I could trigger on startup to get more details about what happens ?
Albert

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JRE 7 update 51 and the extension mechanism

I've developed an applet that uses Java extension mechanism to install an extension package. Both JARs are signed, and I have put this in the manifest:
Permissions: all-permissions
Codebase: *
Application-Library-Allowable-Codebase: *
Caller-Allowable-Codebase: *
It works fine with the JRE 1.7 update 45, but with the last version of the JRE (1.7 update 51), I get the following error (NullPointer):
java.lang.NullPointerException
at com.sun.deploy.security.DeployManifestChecker.verifyCodebase(Unknown Source)
at com.sun.deploy.security.DeployManifestChecker.verifyApplicationLibraryAllowableCodebase(Unknown Source)
at com.sun.deploy.security.DeployManifestChecker.verify(Unknown Source)
at com.sun.deploy.security.DeployManifestChecker.verify(Unknown Source)
at com.sun.deploy.security.TrustDecider.isAllPermissionGranted(Unknown Source)
at sun.plugin.extension.ExtensionInstallationImpl.verifyJar(Unknown Source)
at sun.plugin.extension.ExtensionInstallationImpl.access$100(Unknown Source)
at sun.plugin.extension.ExtensionInstallationImpl$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin.extension.ExtensionInstallationImpl.installExtension(Unknown Source)
at sun.misc.ExtensionDependency.installExtension(Unknown Source)
at sun.misc.ExtensionDependency.checkExtension(Unknown Source)
at sun.misc.ExtensionDependency.checkExtensions(Unknown Source)
at sun.misc.ExtensionDependency.checkExtensionsDependencies(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.parseExtensionsDependencies(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.getClassPath(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath.getResource(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
But if I copy the package extension in the lib/ext directory of the JRE, then the applet works.

I tried with the latest version of java 7 (55), and I get the same error. I have set the security level to medium, and the URL is added to the list of exceptions to the JRE.

Extension mechanism

I have developed an applet which uses some utility classes bundled in a jar file. I didn't want the user however to have to download the utility classes in the jar file every time he wanted to use the applet so I thought of making it an optional package. Thus I used the extension mechanism so that the first time the user downloaded the applet he could install the utility jar file as an extension.
The problem that occured is this: From a utility class I load some images to display on the applet. The images reside within the utility jar file so I use the following code to load them:
1: URL url = this.getClass().getResource(imageName);
2: ImageIcon imageIcon = new ImageIcon(url);
When I didn't use the extension mechanism there was no problem!
When I did use extensions though a Null Pointer Exception was thrown
at line 2. Obviously the url is null.
This seems pretty strange to me because the image is loaded from within the jar file and the jar file has been downloaded (and installed). So what is the problem?
Any help would be appreciated.

You are using a JVM that supports the extension
mechanism, I hope? Not the Microsoft JVM that comes
with Internet Explorer, for example? If so, then
perhaps you don't know where the extensions directory
really is. The system property "java.ext.dirs" (I
think) will tell you where it really is.
Having gone through this, you may want to rethink your
original idea that it would be more convenient for the
user to download and install the jar file. If you had
this much trouble, how easy would it be for somebody
else?Hey there,
Wonder if you could help me sort something out while you're at it. In my older WIN95 OS I put my extension .jar files - if I remember right - in, say, C:\jdk1.3.1_03\jre\lib
. . . and things worked fine.
I just upgraded to XP and I added my extensions to both C:\jdk1.3.1_03\jre\lib & C:\Program Files\JavaSoft\JRE\1.3.1_03\lib\ext
. . . It finds the files fine, but my .jar files - that have in them some of the same files as in my extension .jar - are faultering. I'm trying to figure out if I need to add the CLASSPATH to my SYSTEM | ENVIRONMENTAL variable, or to my .jar applications. You have any ideas?
Thanks in advance;
~Bill

Downloading File in IE 9 causes the extension to change to .doc[1]

When I attempt to download a document on IE 9, the file extension changes to .doc[1]. I have not opened or saved the file before, so not sure what is causing the [1] to appear on the extension. Any help would be grateful.
Thanks,
D

Assuming Win7 SP1 (64-bit)...
Please answer each of the following [admittedly tedious] diagnostic questions in a correspondingly-numbered list in your very next reply, preferably
without quoting my post:
1a. When (approx. date) did you purchase the computer?
1b. Did Win7 64-bit come preinstalled on the computer when you bought it, did you do a clean install of Win7,
or did you upgrade the computer to Win7?
2. What is the full name of your installed anti-virus application or security suite and
when (approx. date) does your current subscription expire? What anti-spyware applications (other than Defender) are installed? What third-party firewall (if any)?
3. Has a(nother) Norton application or a McAfee application EVER been installed on the computer
since you bought it?
4. Did a Norton free-trial or a McAfee free-trial [PICK ONE] come preinstalled on the computer
when you bought it? (Doesn't matter if you never used or Activated it.)
5. Is KB3003057, KB3006226, KB3010788, KB2992611, KB2993958, KB3005607, KB2978120, KB3003743, KB3002885 and/or
KB3011780 listed in Installed Updates (not
Update History)? [1]
6. Assuming Java is installed => Is Java Version 8 Update 25 (or higher) or Java Version 7 Update 71 (or higher) installed? TEST HERE USING INTERNET EXPLORER ONLY! =>
http://java.com/en/download/uninstallapplet.jsp [2]
7. Is Adobe Flash Player v15.0.0.239 (or higher) installed? TEST HERE USING INTERNET EXPLORER
ONLY! =>
http://www.adobe.com/software/flash/about/
8a. Has IE10 or IE11 ever been offered via Windows Update?
8b. What Update Version & KB number are displayed in the second line of text in IE9's Help | About [Alt+H+A] tab; e.g.,
Update Version: 9.0.54 (KB1231231) ?
8c. Is Firefox, Chrome or any other alternate browser installed?
9. Are you in the habit of using "Registry cleaners" (e.g., Registry Mechanic; System Mechanic; RegCure; RegClean Pro; Advanced SystemCare; Registry Booster; McAfee QuickClean; Glary Utilities; AVG PC TuneUp; Norton Registry Cleaner; PCTools Optimiser;
SpeedUpMyPC; PC Doctor; TuneUp Utilities; WinMaximizer; WinSweeper; Comodo System Cleaner; Advanced System Optimizer; CCleaner's Registry Cleaner
component)?
==============================================
[1] Start | Control Panel | Programs and Features | View installed updates (in left-hand menu)
[2] No need to install Java if it's not already installed!
~Robear Dyer (PA Bear) MS MVP-Windows Client since 2002 Disclaimer: MS MVPs neither represent nor work for Microsoft

Since the installation of Firefox 8, I cannot download a specific file type from email. I use this for work and MUST be able to open these files with a specific software. When FF opens the file, it changes the extension and it will not open. Help!!!

I use the Microsoft Outlook Web App for work email. I receive files with a .RXML extension. This has always worked just fine until the latest version of Firefox came out (I was using FF 7 until this weekend). Now FF changes the extension to .ashx when I open the file and I cannot download it into my software. If I go to the company internet site and download directly from there, it does the same thing. But I can open these files just fine from IE. I REALLY don't want to have to go back to IE.

I opened one of the PDF files in notepad and these are the first couple lines:
瀖ᕁމጿ␠씴豈䧉筩롈ꓳ劏ꎯ僪뚢頟뻏즏谀㿃夑퀉꟠鲲쮂⫉笿褡밤籞冁탁ӓ轸뿐笼ⵆ횰䄌ඁ淥ة寨闤⬅鳦팥링빨嬄敎უ婏㣴ً鮓ࣿꢚ㑀녲莒඼ိȆ䕇纍쉉籶뺝갞伐쮠᥏﯒넉釖ȓ겴☧ ἣ秵駻�䣞띰㖔流羀籔朼敨ꢉ糶당⬤俉膇䄐惡�ಹꛖ鍡恡ⱶᶜ�堷﹑ﱌ僿걄뎔æ䋷귪⛢⫐䅪䉙὿烶ꖆ႟ᗔ瘞狻틫儩六잶覱낵듘盋崾�ᦜ㺆௹뻹燴ឋ騙쬄ꏿ뽒煹�钼뇲腎稦ꃲ㈃沒ꔈ뺐뛽첑䘶畱䍣紻 ⁜哠鳾

Are you sure you want to change the extension from... BLOCKS Finder Editing

This is weird and is driving me nuts, but some Macs do not allow further Finder editing of file or folder names if I change their names (usually including numbers, dots and so on) in such a way that I receive the warning:
Are you sure you want to change the extension from..?
After I confirm that I want to change the name, the Finder does it but gets locked for editing (I can do other things) and does not allow any further file or folder editing until I force quit of Finder or reboot the Mac.
I have found that if right after confirming that I want to change the name I select the file and hit return (which selects its name), no problem arises. But I must do it in one or two seconds, or else it will be too late.
IN SUMMARY:
1. Change file or folder name including numbers and dots at the end.
2. Get the message "Are you sure you want to change the extension from..."
3. Confirm that I want to change the name.
4. FROM NOW ON, I CANNOT CHANGE THE NAME OF ANY FILE OR FOLDER UNTIL I FORCE FINDER QUIT. Unless of course I do the trick indicated above real quick!
Any hint? Any way to know what is going on? This could be a bug of Mac OS X 10.4.x or earlier or a problem with a third party application. But how to know what is going on to prevent it? As said, some Macs show this issue, but not others.
Note: some related issues on this section searching for:
Finder Loses Keyboard Input
or
Sure change extension
For instance:
http://discussions.apple.com/thread.jspa?messageID=1974048
http://discussions.apple.com/thread.jspa?messageID=1466505
Hint: some file or folder name changes are more prone to cause the issue than others. For instance, renaming a folder (and confirming it) as:
Testing.r00
brings the bug 100% of the times.
Any idea of what is going on? Thanks.

The message is a warning that you are doing something that the OS thinks is going to possibly cause a problem. You are creating the situation and the OS is doing nothing other than what you are asking it to do.
I don't know any exact answer why you can't access your files, but I do know that there are a few characters and things that will cause problems because they mimic names of invisible files. When you make a name that is close to being the same it can treat the file as the special one... meaning you can only access it via Terminal.
Ones you cannot use at all: the colon (:), slash (/), single or double period as first characters. (taken from Finder Help with a naming files search) It is best to stay away from any special characters as a rule. Also avoid using a period and 3 character suffix unless it is one that you are purposefully assigning so the file belongs to an application.
That said... even with the over 200 applications on my system I couldn't repeat your Testing.r00 problem. So, I don't know if it may be application related or not.

Can you change the extensions in Adobe Muse from .html to .htm?

Can you change the extensions in Adobe Muse from .html to .htm?
I'm updating an old site where the extensions for the pages were all.htm. This means that when I upload the site index.htm is not being over written by index.html.

Hi,
It is not possible to change the extension in Muse at the moment. You can export the site as HTML and change the extensions outside the Muse.
Regards,
Aish

Mail changes the extension in attachments

Mail keeps changing the extension in file attachments. I can attach a word (.doc) document but when it sends it, the attachment is received as ".doc0". Therefore the receiver cannot open it. Same thing happens with PDF that is being sent as ".pdf0". Has anybody experienced this?

I found it! Why the extension changes.
It has to do with signatures!
When you place the PDF file just above the signature (or I guess inside), the extension changes name!
This is my signature:
Jonatan 'Kip' Kipowsky
0709-XX XX XX
[email protected]
Since I have TWO enters (for the air) above the line above my name, when I place the PDF file just above the line I place it INSIDE the signature.
I tried it high above the line and just over. Every time I placed it over, it changed the name, to .pdfdf and such.
How did I find out?
I used at PDF file with spaces in the name, foregin letters (swedish), two different mail servers (smtp) and sent to two different adresses (yahoo.se and my own). I tried with text and without text in the mail. Tried waiting, so the message would be auto-saved and without. Tried all different ways. Yes, friends. For an hour I had no life!
Regards,
Kip

Why does the 'change all' button for file extensions revert the program?

Hi Chaps,
I have a piece of analysis software produce a file with the extension .jdf and I need to open it with a particullar piece of software called Mestrenova to manipulate it. The problem is...jdf is also the extension of the Adobe acrobat job definition file. I can go into the file in snow lepord with 'get info' and change the individual files to default open with Mestrenova BUT as soon as I hit the 'change all' button, ALL .jdf files revert back to Acrobat defualt. It's infuriating and I have no idea how to resolve it without installing 3rd party software, which I'd rather not.
Can anyone help?
Thanks

I still have this problem...

How do I change the extension directory?

I installed JBuilder and it changed my extension directory from the default:
JAVA_HOME\jre\lib\ext
to:
JBuilder8\jdk1.4\jre\lib\ext
how do I change it back?

nevermind, found a solution:
uninstall the jdk and reinstall.
it sets it back to \jre\lib\ext
(there's still the question of how to change the extension directory arbitrarily, but i'm not going to lose sleep over it)

What does Firefox team do to ensure that no change are introduced to the interface used by modules/pluig-ins/extensions ?

Every time there's an update my plug-ins seem to be at risk and some of them are not free, I am running v29 and I will roll back to a previous version and turn off any update/upgrade features, too much waste of time on my side.
I think Firefox team should learn to limit the changes they are doing specially if the interface with other add-ons is concerned. I worked in developement many years, I know it is fun and stimulating to introduce something new but it should never impact negatively the quality of the existing features so it requires discipline and patience, no place for impulsive actions.
When I get an update, I do not expect it to be a beta that impacts existing features.

Add-ons are developed by third-party developers, and as such there is no guarantee they won't break. We aren't responsible for them or for making sure the millions of add-ons in existence all work properly in every version of Firefox (If we were, we might as well give up on Firefox).
That being said, we do try to restrict breaking changes to the code that Add-ons use. Sometimes it is inevitable, but we make sure to give add-on authors plenty of warning (usually 12-18+ weeks) before a change that might break their extension. We also automatically check every extension installed on our site for things that might not work in new versions, and every extension that passes (the vast majority) are default to be compatible with the new version without the add-on author having to do anything.
Unless you have a third-party binary extension. These are commonly Anti-virus toolbars, etc. These extensions stop working with updates frequently. This is because these companies don't bother to read our notes of what's changing or to release updates for their software until after release.

Is there any tutorial for an extension that just changes a variable in the about:config?

Hi all,
I am trying to create my first firefox extension, which will simply change the value of one of the about:config variables. I looked all over for tutorials that could help me, of course, but I found none that covers that specific matter (changing a variable of the about:config). Do you know any?
Thanks in advance!

Hi Maudluna,
I understand you would like to sign out your Apple ID from an iPad. You can do this easily by following the steps in the article below. I have also linked to an article about Family Sharing which can help you create and manage multiple accounts:
iOS: Sign in with a different Apple ID in the iTunes Store, App Store, and iBooks Store - Apple Support
Start or join a family group using Family Sharing - Apple Support
Family Sharing makes it easy for up to six people in your family to share each other’s iTunes, iBooks, and App Store purchases without sharing accounts. Pay for family purchases with the same credit card and approve kids’ spending right from a parent’s device. And share photos, a family calendar, and more to help keep everyone connected.
Thank you for contributing to Apple Support Communities.
Take care,
Bobby_D

Since the last FF update, the Tab is vanishing when I chose a tab. I there any possibility to change this behaviour back?

I use Firefox for android on my Tablet , the Asus tf700. Since the last update, I am now on 23.0, the tabs bar is always hiding as soon as I change the tab or touch the website, irrespective of screen orientation. Is there any configuration option to change this behaviour back?

I think such feature is being worked on.

Change the extension of .numbers to .pdf

Hi. I have a problem. I want to change the extension of .numbers to .pdf

Hi maya,
I think you want to export a numbers file as a pdf.
Menu>File>Export To>PDF
Should give you what you want.
quinn

Power shell script to change the Extension of file

Hi All,
i need to change the extension which is as .out file to .xml below is the pwershell script which i used
$fileName="C:\temp\suj.txt"
$newExtension="xml"
[System.IO.Path]::ChangeExtension($filName, $newExtension)
neither i get any error for the above script nor the extension is changing
can onayone help me on this

No worries
i have used the below script
Dir C:\temp *.out | rename-item -newname { $_.name -replace ".out",".xml" }

Change in behaviour in the extension mechanism in 1.1

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