Problems using deployJava.js with Java 7
I found problems which vary by browser to the following script in an HTML page on Windows 7:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
Launch me!!!
<script src="http://www.java.com/js/deployJava.js"></script>
<script>
deployJava.setInstallerType("kernel");
deployJava.createWebStartLaunchButton("yourAppHere.jnlp", '1.7.0');
</script>
</body>
</html>
The problem shows itself when Java 7 is not yet installed. Note: There is no need to have an actual "yourAppHere.jnlp", since the problems surface prior that being a requirement.
Firefox 8.0:
When the Launch button is clicked on Firefox, a brief dialog with a progress bar appear showing a small download. At completion, a Security Warning dialog appears:
"This Java installer did not come from Sun...". The publisher is shown as Oracle America, Inc.
The install proceeds as normal if the user overides the warning (though eventually missing a real jnlp will catch up with you). I do not know for sure but suspect the problem is with deployJava.js. One fixing this might also want to consider the implications MacOSX port when it is up and ready.
IE 9.0.3:
This browser is a total failure. The initial download dialog progresses to the end, then remains & the session is hung. The dialog is modal, so the only escape other than the power button is killing it via Task Manager.
I am pretty sure these are bugs, but thought would see if others can reproduce Just save html to a file on desktop & double-click. Have these already been reported? Are there other tests that would be good? It has been years since I reported a Java bug, are there directions?
Edited by: user3055980 on Nov 13, 2011 11:36 AM
Before un-installing anything except the 1.7.0 JRE from a previous test, I did a search deployJava1.dll, I found 5. All show File Version 6.0.290.11 on the details tab of the properties dialog. That is not to say they are all the same file. I installed a 64 bit JDK, and apparently a 32 bit JRE. I do not remember exactly how I did that. Using the Process Explorer & clicking on the binoculars to find deployJava.dll, it shows that one being used is in C:\Windows\SysWOW64. I am really starting to hate having a JRE built into a JDK. Here is the list:
1- 513KB 11/7/2011 C:\Program Files\Java\jre6\bin
2- 513KB 11/7/2011 C:\Window\System32
3- 513KB 11/7/2011 C:\Program Files\Java\jdk1.6.0_29\jre\bin
4- 461KB 10/3/2011 C:\Program Files (x86)\Java\jre6\bin
5- 461KB 10/3/2011 C:\Windows\SysWOW64
FYI, checks for npDeployJava1.dll were consistent with above, though some were in a new_plugin sub dir. Also, FireFox is x86, not amd64.
Removing the JDK6 Update 29 (64-bit) knocked out #3.
Removing Java(TM) 6 Update 29 (64-bit) knocked out #1.
Removing Java(TM) 6 Update 29 knocked out # 4.
That leaves 2 & 5 still in place (Did not find any let over npDeployJava1.dll's). Nuked them manaully.
Still found a references to deployJava1.dll in registry, which were ripped out @
HKEY_CLASSES_ROOT\CLSID\{CAFEEFAC-DEC7-0000-0000-ABCDEFFEDCBA}\InprocServer32
HKEY_CLASSES_ROOT\CLSID\{CAFEEFAC-DEC7-0000-0001-ABCDEFFEDCBA}\InprocServer32
This registry pattern seemed to be repeated, just kept deleting.
Have a clean system, and am now retrying the tests, BUT IT TRIES TO RUN jre-6u29-windows-i586-iftw-k.exe INSTEAD! I actually followed through for IE & 1.6 is what gets installed NOT 1.7. This is by far the worst. The other stuff might just be because of that stupid JRE instead the JDK. Double checked both the html & JNLP they are still asking for 1.7. Is this a bug or somehow intentional?
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"Eduardo Ceballos" <[email protected]> wrote in message
news:[email protected]...
We currently publish an IDL example, even though the IDL programmingmodel in Java is completely non-functional, in anticipation of the support
needs for uses who need to use IDL to talk to the Weblogic server,
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ST wrote:
Eduardo,
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"Eduardo Ceballos" <[email protected]> wrote in message
news:[email protected]...
Please post request to the news group...
As I said, you must separate the idl related classes (class files and
java
files) from the rmi classes... in the rmic step, you must set a newtarget
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did this), then remove all the rmi class files from the class path... ifyou
need to compile more classes at that point, copy the java files to theidl
directly is you must, but you can not share the types in any way.
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an idl client in java to work.
Harindra Rajapakshe wrote:
Hi Eduardo,
Thanks for the help. That is the way I compiled my CORBA client, by
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get a
CORBA.BAD_PARAM upon narrowing the client proxy to the interfacetype.
Here's what I did;
+ Define the RMI interfaces, in this case a StockTrader interface.
+ Implement RMI interface by extendingjavax.rmi.PortableRemoteObject
making
it IIOP compliant
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+ use the RMI implementation to generate CORBA idl, using RMI-IIOPplugin
utility rmic;
rmic -idl -noValueMethods -always -d idl stock.StockTraderImpl
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util,
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This creates source for the package stock and also
org.omg.CORBA.*
package, presumably IIOP type marshalling
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+ Implement client (CORBA) using the classes generated above, NOTthe
RMI
proxies.
+ start RMI server, with stockTrader server obj
+ start tnameserv
+ start CORBA client
Then the client errors when trying to narrow the obj ref from the
naming
service, into the CORBA IDL defined interface using,
org.omg.CORBA.Object obj =naming.resolve(nn);
StockTrader trader =StockTraderHelper.narrow(obj); // THIS
ERRORS..!!!
throwing a CORBA.BAD_PARAM exception.
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----- Original Message -----
From: Eduardo Ceballos <[email protected]>
Newsgroups: weblogic.developer.interest.rmi-iiop
To: Hari Rajapakshe <[email protected]>
Sent: Wednesday, July 26, 2000 4:38 AM
Subject: Re: problem using CORBA clients with RMI/EJBservers..!!!???
Please see the post on june 26, re Errors compiling... somewherein
there,
I suspect, you are referring to the rmi class file when you are
obliged
to
completely segregate these from the idl class files.
Hari Rajapakshe wrote:
Hi,
I have a question on using EJB / or RMI servers with CORBA
clients
using
RMI-IIOP transport, which in theory should work, but in practice
has
few
glitches.
Basically, I have implemented a very simple server,
StockTreader,
which
looks up for a symbol and returns a 'Stock' object. In the firstexample, I
simplified the 'Stock' object to be a mere java.lang.String, so
that
lookup
would simply return the 'synbol'.
Then I have implemented the above, as an RMI-IIOP server (case
1)
and a
CORBA server (case 2) with respective clients, and the pair of
client-servers work fine as long as they are CORBA-to-CORBA andRMI-to-RMI.
But the problem arises when I tried using the RMI server (via
IIOP)
with
the
CORBA client, when the client tries to narrow the object ref
obtained
from
the naming service into the CORBA idl defined type (StockTrader)
it
ends
up
with a class cast exception.
This is what I did to achieve the above results:
[1] Define an RMI interface StockTrader.java (extending
java.rmi.Remote)
with the method,
public String lookup( String symbol) throws RMIException;
[2] Implement the StorckTrader interface (on a
PortableRemoteObject
derived
class, to make it IIOP compliant), and then the server to
register
the
stock
trader with COS Naming service as follows:
String homeName =....
StockTraderImpl trader =new StockTraderImpl();
System.out.println("binding obj <" homeName ">...");
java.util.Hashtable ht =new java.util.Hashtable();
ht.put("java.naming.factory.initial", args[2]);
ht.put("java.naming.provider.url", args[3]);
Context ctx =new InitialContext(ht);
ctx.rebind(homeName, trader);
[3] Generate the RMI-IIOP skeletons for the Implementation
class,
rmic -iiop stock.StockTraderImpl
[4] generate the IDL for the RMI interface,
rmic -idl stock.StockTraderImpl
[5] Generate IDL stubs for the CORBA client,
idlj -v -fclient -emitAll StockTraderImpl.idl
[6] Write the client to use the IDL-defined stock trader,
String serverName =args[0];
String symList =args[1];
StockClient client =new StockClient();
System.out.println("init orb...");
ORB orb =ORB.init(args, null);
System.out.println("resolve init name service...");
org.omg.CORBA.Object objRef
=orb.resolve_initial_references("NameService");
NamingContext naming=NamingContextHelper.narrow(objRef);
... define a naming component etc...
org.omg.CORBA.Object obj =naming.resolve(...);
System.out.println("narrow objRef: " obj.getClass() ":"
+obj);
StockTrader trader =StockTraderHelper.narrow(obj);
[7] Compile all the classes using Java 1.2.2
[8] start tnameserv (naming service), then the server to
register
the
RMI
server obj
[9] Run the CORBA client, passing it the COSNaming service ref
name
(with
which the server obj is registered)
The CORBA client successfully finds the server obj ref in the
naming
service, the operation StockTraderHelper.narrow() fails in thesegment
below, with a class cast exception:
org.omg.CORBA.Object obj =naming.resolve(...);
StockTrader trader =StockTraderHelper.narrow(obj);
The <obj> returned by naming service turns out to be of the
type;
class com.sun.rmi.iiop.CDRInputStream$1
This is of the same type when stock trader object is registeredin a
CORBA
server (as opposed to an RMI server), but works correctly with
no
casting
excpetions..
Any ideas / hints very welcome.
thanks in advance,
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at javax.swing.TimerQueue.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
"AWT-EventQueue-4" prio=4 tid=0x04fa1400 nid=0x255c waiting on condition [0x0945f000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x246209e8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source)
at java.awt.EventQueue.getNextEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
"Applet 5 LiveConnect Worker Thread" prio=4 tid=0x04f9f400 nid=0x3994 in Object.wait() [0x05d9f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at sun.plugin2.main.client.LiveConnectSupport$PerAppletInfo$LiveConnectWorker.run(Unknown Source)
- locked <0x24620ac8> (a java.lang.Object)
at java.lang.Thread.run(Unknown Source)
"AWT-EventQueue-0" prio=6 tid=0x04f9fc00 nid=0x3b2c waiting on condition [0x0608f000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x2979ab70> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source)
at java.awt.EventQueue.getNextEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
"AWT-Shutdown" prio=6 tid=0x04f9e800 nid=0x244c in Object.wait() [0x0669f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at sun.awt.AWTAutoShutdown.run(Unknown Source)
- locked <0x2979acd8> (a java.lang.Object)
at java.lang.Thread.run(Unknown Source)
"TimerQueue" daemon prio=6 tid=0x04fa0c00 nid=0x3914 waiting on condition [0x0a65f000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x29c27340> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source)
at java.util.concurrent.DelayQueue.take(Unknown Source)
at javax.swing.TimerQueue.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
"JVM[id=2]-Heartbeat" daemon prio=6 tid=0x04f9ec00 nid=0x3c98 in Object.wait() [0x0687f000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at sun.plugin2.main.server.HeartbeatThread.run(Unknown Source)
- locked <0x2979a7a0> (a sun.plugin2.main.client.PluginMain$Heartbeat)
"Browser Side Object Cleanup Thread" prio=6 tid=0x04f9d000 nid=0x3ce4 in Object.wait() [0x0710f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x2979a958> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(Unknown Source)
- locked <0x2979a958> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(Unknown Source)
at sun.plugin2.main.client.LiveConnectSupport$BrowserSideObjectCleanupThread.run(Unknown Source)
"CacheCleanUpThread" daemon prio=6 tid=0x04f9dc00 nid=0x2500 in Object.wait() [0x0655f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x2979a978> (a com.sun.deploy.cache.CleanupThread)
at java.lang.Object.wait(Object.java:503)
at com.sun.deploy.cache.CleanupThread.run(Unknown Source)
- locked <0x2979a978> (a com.sun.deploy.cache.CleanupThread)
"CacheMemoryCleanUpThread" daemon prio=6 tid=0x04f9d400 nid=0x1ac4 in Object.wait() [0x0611f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x2979aa68> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(Unknown Source)
- locked <0x2979aa68> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(Unknown Source)
at com.sun.deploy.cache.MemoryCache$LoadedResourceCleanupThread.run(Unknown Source)
"SysExecutionTheadCreator" daemon prio=6 tid=0x04f9c800 nid=0x3ff4 in Object.wait() [0x0660f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at sun.plugin.util.PluginSysUtil$SysExecutionThreadCreator.run(Unknown Source)
- locked <0x2979aa88> (a sun.plugin.util.PluginSysUtil$SysExecutionThreadCreator)
"AWT-Windows" daemon prio=6 tid=0x04f8f000 nid=0x3480 runnable [0x026af000]
java.lang.Thread.State: RUNNABLE
at sun.awt.windows.WToolkit.eventLoop(Native Method)
at sun.awt.windows.WToolkit.run(Unknown Source)
"Java2D Disposer" daemon prio=10 tid=0x04f8d000 nid=0x1920 in Object.wait() [0x064ff000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.ref.ReferenceQueue.remove(Unknown Source)
- locked <0x2979ad68> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(Unknown Source)
at sun.java2d.Disposer.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
"Java Plug-In Pipe Worker Thread (Client-Side)" daemon prio=6 tid=0x04f8a000 nid=0x580 runnable [0x0617f000]
java.lang.Thread.State: RUNNABLE
at sun.plugin2.os.windows.Windows.ReadFile0(Native Method)
at sun.plugin2.os.windows.Windows.ReadFile(Unknown Source)
at sun.plugin2.ipc.windows.WindowsNamedPipe.read(Unknown Source)
at sun.plugin2.message.transport.NamedPipeTransport$SerializerImpl.read(Unknown Source)
at sun.plugin2.message.transport.NamedPipeTransport$SerializerImpl.readByte(Unknown Source)
at sun.plugin2.message.AbstractSerializer.readInt(Unknown Source)
at sun.plugin2.message.transport.SerializingTransport.read(Unknown Source)
at sun.plugin2.message.Pipe$WorkerThread.run(Unknown Source)
"Timer-0" prio=6 tid=0x04f3d800 nid=0x2c38 in Object.wait() [0x0521f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x2979b0a8> (a java.util.TaskQueue)
at java.lang.Object.wait(Object.java:503)
at java.util.TimerThread.mainLoop(Unknown Source)
- locked <0x2979b0a8> (a java.util.TaskQueue)
at java.util.TimerThread.run(Unknown Source)
"traceMsgQueueThread" daemon prio=6 tid=0x04f19c00 nid=0x3b50 in Object.wait() [0x054cf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at com.sun.deploy.trace.Trace$TraceMsgQueueChecker.run(Unknown Source)
- locked <0x298209e0> (a java.util.ArrayList)
at java.lang.Thread.run(Unknown Source)
"Service Thread" daemon prio=6 tid=0x04e80c00 nid=0x2930 runnable [0x00000000]
java.lang.Thread.State: RUNNABLE
"C1 CompilerThread0" daemon prio=10 tid=0x04e7c400 nid=0x2648 waiting on condition [0x00000000]
java.lang.Thread.State: RUNNABLE
"Attach Listener" daemon prio=10 tid=0x04e7b000 nid=0x1b5c runnable [0x00000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x04e77c00 nid=0x1bd0 runnable [0x00000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=0x022e1000 nid=0x3d00 in Object.wait() [0x04c5f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.ref.ReferenceQueue.remove(Unknown Source)
- locked <0x2979b330> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(Unknown Source)
at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)
"Reference Handler" daemon prio=10 tid=0x022df800 nid=0x3644 in Object.wait() [0x04bdf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at java.lang.ref.Reference$ReferenceHandler.run(Unknown Source)
- locked <0x2979a0c8> (a java.lang.ref.Reference$Lock)
"main" prio=6 tid=0x0036d800 nid=0x2f40 in Object.wait() [0x00a2f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at sun.plugin2.message.Queue.waitForMessage(Unknown Source)
- locked <0x2979b3b8> (a sun.plugin2.message.Queue)
at sun.plugin2.message.Pipe$1.run(Unknown Source)
at com.sun.deploy.util.Waiter$1.wait(Unknown Source)
at com.sun.deploy.util.Waiter.runAndWait(Unknown Source)
at sun.plugin2.message.Pipe.receive(Unknown Source)
at sun.plugin2.main.client.PluginMain.mainLoop(Unknown Source)
at sun.plugin2.main.client.PluginMain.run(Unknown Source)
at sun.plugin2.main.client.PluginMain.main(Unknown Source)
"VM Thread" prio=10 tid=0x022de400 nid=0x3cc0 runnable
"VM Periodic Task Thread" prio=10 tid=0x04ea9000 nid=0x3fd4 waiting on condition
.main.client.PluginMain.run(Unknown Source)
at sun.plugin2.main.client.PluginMain.main(Unknown Source)
"VM Thread" prio=10 tid=0x022de400 nid=0x3cc0 runnable
"VM Periodic Task Thread" prio=10 tid=0x04ea9000 nid=0x3fd4 waiting on condition
Done. -
How to use a proxy with java applications?
I have a nokia 6300 type s40v3
hello,
I would like to know if it is possible to use a proxy of any and how ? kind with java applications.
thank youWell, it works well when, into my applet, i do somethig like this:
URL url = new URL(host);
URLConnection connexion = url.openConnection();My applet uses proxy setting from IE6 but only if i use Java 1.4.2_08.
With IE6 and Java 1.5.04, it doesn't work (my applet doesn't use proxy settings)
With Firefox and Java 1.5.04, it's ok
Have you already seen a problem like this with Java 1.5.04 ? -
Problem using iPad mirroring with an Apple TV and 4:3 Projector
I'm a teacher and I've been using my iPad 2 in the classroom for about a year and a half. I would use Apple's VGA Adapter to connect to my projector, which worked fine. I just didn't like being tied down, and the dock connector would come loose very easily and lose connection to the projector, which interrupted the flow of the lesson.
So this summer, I got an Apple TV and a projector with an HDMI port so I could start using Airplay Mirroring to get the iPad screen onto the projector. But I'm having trouble with the aspect ratio. Forgive my drawing, but the genius at the Apple store had a hard time understanding my explanation, so I'm hoping this will help show what I mean.
My projector (ViewSonic DLP PJD5133) can be set to either a 4:3 or 16:9 aspect ratio (4:3, 800x600 is the native resolution). My projector screen in the front of the classroom is 4:3, so when the projector is set to 4:3, the image fills up the screen (which is what I want - it needs to be as big as possible so the entire class can see it clearly; plus it means all the output pixels are being used). When the projector is set to 16:9, the image is letterboxed (not ideal unless I'm showing a widescreen video or image).
The Apple TV's native aspect ratio is widescreen, and the iPad's native aspect ratio is 4:3, so if you use Airplay mirroring on a widescreen TV, the Apple TV will pillarbox the image (add horizontal black bars on each side), so that the image will not be stretched/distorted. (I know that it will show widescreen videos and a few widescreen-ready apps without the pillarbox, but the apps I use in class - Keynote, Noteshelf, etc. - don't fall in that category). The effect on my projector screen is a tiny 4:3 image taking up half the area it would have taken if I had used the VGA connection.
So in the Apple TV, I went to Settings>Audio & Video>TV resolution, and chose 800x600 60Hz (the max 4:3 resolution for my projector). Since the Apple TV is natively widescreen, it seems to accomplish this change be stretching the image vertically; but it basically works because the Apple TV home screen fills up the projector screen. However, when I turn on Airplay Mirroring on my iPad, the image does not fill up the screen. The Apple TV still puts a pillarbox on the image, so I end up with a distorted, square image of my iPad screen. It's the right height - the max 600 pixels for my projector - but it's not as wide as it should/could be.
Is there a setting that I'm missing? I understand that the Apple TV has to stretch its home screen image to accommodate the 4:3 resolution, but I think it should be smart enough to realize that if it's receiving a 4:3 image from the iPad and sending it out to a 4:3 TV, it doesn't need to pillarbox the image.
Before you answer - this is not a problem with the projector settings, and my Apple TV is not defective. You could simulate what's happening on your Apple TV, even if it's hooked up to a widescreen TV. In the Apple TV settings, change the TV Resolution to 800x600 as mentioned above (or any other of the 4:3 options). Now go to the Apple TV home screen, and note the amount of space the image is taking up on your screen (on a widescreen TV, it will be pillarboxed, and it will look like it's been squished horizontally). Then turn on Airplay mirroring on the iPad, and you'll see that the iPad image does not have the same width as the Apple TV home screen and it looks square/squished.
Also, while my projector does have a zoom function, it will not magnify the small iPad mirror image correctly (if I were to leave the Apple TV and projector on a 16:9 setting). It cuts off the top and sides. But even if it didn't crop the image, it's a digital zoom, so that option still won't fix the fact that I'm not getting a full 800x600 image on the projector. The same problem would apply if I were to move the projector farther away from the screen (so that the widescreen image takes up the full height of the projector screen, while spilling off the sides). I'll still have a lower resolution image, which isn't ideal since I'm often showing text on the screen through Keynote. Also, widescreen videos wouldn't fit on the screen, and I can't move the projector easily because it's fixed to the ceiling.
Sorry for the long explanation. Any ideas? I'd really appreciate some insight.We have the same problem, and not only with ipads. Macbook Air is doing something similar. it can only use airplay with 1080 and 720 resolution, so the image is squeezed on a 4:3 projector. We use AppleTV 3 and Mountain Lion OS. We use ATVPRO from Kanex.
Apple must get its act together and fix this, they promise gold and green forests, but nothing works.
DO SOMETHING! -
How to use parameter file with java
Is it possible to use a parameter file with Java, and is there any class/method to make it easy to call and use these parameter from a text file, other than scanning the whole text file manually as we can do normally with visual basic/c++, so we can call the program with the parameter file, like java testing c:\\testing.ini
If I understand you correctly, you may be looking for a properties file. This is basically a text file that contains pairs of strings in the form:
parameter1=value1
parameter2=value2
parameter3=value3
...etc.
and the values are retrieved using the java.util.Properties class - see:
http://java.sun.com/j2se/1.3/docs/api/java/util/Properties.html
Sample use://Call chis method once, to load the props file.
//props file is called "demo.properties", and is
//in a directory that is included in the classpath
private void loadMyProperties() throws Exception
InputStream stream = getResourceAsStream("/demo.properties");
if(stream == null)
throw new Exception("stream is null!");
demoProperties = new Properties();
demoProperties.load(stream);
stream.close();
// Then you can retrieve properties in your code using:
String param3 = demoProperties.getProperty("parameter3");
//...etc -
Problem using Proxie server with Authentication & JEditorPane
Hello
I don't know if anyone has done this and if someone has I would really appreciate any help you could give me. I need to display a web page in a JEditorPane but the web page is accessed through a proxie server that uses authentication. I have tried using the setPage with username:[email protected] URL format for authentication but it doesn't work.
JEditorPane.setPage(new URL(urlStr))
this gives me an exception. The following is the exception message and printStackTrace
error:Server returned HTTP response code: 401 for URL: (Url I am trying to access)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:709)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:238)
at javax.swing.JEditorPane.getStream(JEditorPane.java:674)
at javax.swing.JEditorPane.setPage(JEditorPane.java:392)
at com.UrlChecker.panels.HTML.EditorPane._$2863(EditorPane.java:184)
at com.UrlChecker.panels.HTML.EditorPane.changeUrls(EditorPane.java:321)
Thank you for any help you can give me.Steve,
The URLs that I am using are internal. A similar type login page is the Oracle Metalink
http://metalink.oracle.com/metalink/plsql/ml2_gui.startup
I will try to find another webstie that you can test. Be back shortly
thanks -
Problem using jdk included with JDEV9i
I am trying to use jdk supplied with jdev9i release candidate 2 on my system
(win 98).I have included c:\jde9i\jdk\bin in my system's path and c:\jdev9i\jdk\lib
in my class path.
But when I invoke compiler using javac it prints a long error message ,
some of them are given below(I can't see the main exception because it scrolls up).
Sun.misc.Resource Sun.misc.URLClassPath.getReasource(java.lang.String.boolean)
java.lang.Object java.net.URLClassLoader$1.run()
java.lang.Object java.security.AccessController.dePriviledged(java.security.
PriviledgedExceptionAction,java.security.AccessControlContext)
So how can I use this jdk to compile and run my other applications.Hi,
My document looks as follows:
<pre:inventory xmlns:pre="http://www.example.com/books">
<pre:book year="2000">
<pre:title>Snow Crash</pre:title>
<pre:author>Neal Stephenson</pre:author>
<pre:publisher>Spectra</pre:publisher>
<pre:isbn>0553380958</pre:isbn>
<pre:price>14.95</pre:price>
</pre:book>
<!-- more books... -->
</pre:inventory>
And I tried the following:
//pre:book
/pre:inventory and
/pre:inventory/pre:book
I have the necessaty code in my namespaceresolver as follows:
public String getNamespaceURI(String prefix) {
if (prefix == null)
throw new NullPointerException("Null prefix");
else if ("pre".equals(prefix))
return "http://www.example.com/books";
else if ("xml".equals(prefix))
return XMLConstants.XML_NS_URI;
return XMLConstants.NULL_NS_URI;
cheers,
ovisvana -
Problem using Time Machine with Seagate BackUp Plus Pls HELP!!
I have a late 2006 iMac (running OS 10.5.8) & am trying to back up using Time Machine with a new Seagate BackUp Plus drive. When I select the Seagate drive in Time Machine it tells me I msut first erase the (Seagate) disk. When I hit ERASE, I get a Time Machine error : COULD NOT UNMOUNT DISK. I see from various posts that 10,5 & 10,6 have issues with some external drives so want to upgrade to Mavericks (to get around this incompatibility issue): HOwever apparently my iMac is too old (by 1 year) to allow this. Can anyone give me any advice on how to get my iMac content backed up via Time Machine using the Seagate BackUP PLus drive I bought (becasue it is supposedly "compatible with PCs & Macs".
Thank you!!
WendyYour Seagate drive should work just fine. If it doesn't have any important data on it, try re-formatting it with Disk Utility to blank it out. Or run the Disk verify/repair and see if you can get it to fix any problems.
I have a Drobo FS too. You probably need a firmware update, they issued one a while back to fix problems with Time Machine. Use the Dashboard or download it from their support site, http://www.drobo.com/support/updates.php
Just curious how long you let it run after it "stalled". If it is a big file it could just be taking a while to copy over, do you see activity lights on the USB drive? The first time you use time machine let it run overnight, it's going to take a while, after that it will update quickly.
While you're at it, you might want to verify your start-up disk too with Disk Utility. -
Any problem using PC fonts with Fontbook?
Hi all.
Are there any potential issues using PC fonts with Fontbook? I've downloaded a free internet font, ran the "Validate File" option, then loaded the font into Fontbook. Afterwards, I also ran "Validate Font" and it checked out okay.
It seems to be working, but I'm wondering if there is cause for concern that maybe down the line something funny will happen?
Any insight into this?
B.It seems to be working, but I'm wondering if there is cause for concern that maybe down the line something funny will happen?
No, a font is just a font. All PC .ttf and .ttc fonts work in OS X. Windows Type 1 PostScript fonts (the ones with matching .pfb and .pfm extensions) do not.
The only real problem with free fonts is that the majority of them are not made well and can cause various problems because of it. Read section 14 of Font Management in OS X to see what those issues can be.
The link, or one of the links above directs you to my personal web site. While the information is free, it does ask for a contribution. As such, I am required by Apple's rules for these discussions to include the following disclaimer.
I may receive some form of compensation, financial or otherwise, from my recommendation or link. -
Problems using different scope with useBean
Hi all,
I've been trying over and over to place the data from my inputForm.jsp in request, session or even application scope and then try to retrieve the data from my process.jsp.
I can't understand why not the request object (emp) is available in my second jsp file. I'm having the same problem using sessionScope and applicationScope.
inputForm.jsp
<jsp:userBean id="emp" class="Employee" scope="request">
<jsp:setProperty name="emp" property="*" />
</jsp:userBean>
<form method="POST" action="process.jsp>
<input type="text" name="firstName">
<input type="text" name="lastName">
</form>process.jsp
<c ut value="${requestScope.emp.firstName}" />The useBean tag has to be on the page WHERE THE BEAN IS BEING used.
The jsp:setProperty tag works from request parameters. So it has to be on the page that is RECEIVING the parameters - ie your second page.
You misspelled jsp:useBean.
Also your Employee bean must be in a package, and the useBean tag should use its fully qualified package name.
I will presume that your Employee class has appropriate get/set methods for firstName and lastName - ie getFirstName() and setFirstName()...
Try this:
inputForm.jsp
<form method="POST" action="process.jsp>
<input type="text" name="firstName">
<input type="text" name="lastName">
</form>process.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<jsp:useBean id="emp" class="com.mypackage.Employee" scope="request">
<jsp:setProperty name="emp" property="*" />
</jsp:useBean>
<c:out value="${requestScope.emp.firstName}" />
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