OS X :: Why Java App So Slow On MBP
Jan 14, 2009
I'm using a new MBP, and need to use some java apps for trading and flight management. The UI and the speed, and the alerts from these applications just runs very slowly on the mac. Sometimes, the alerts don't even work. I've tried Camino, Firefox and Safari. Safari SEEMS to be the best for speed, but the worst for things like Alerts. Firefox, the new 3.0 beta 2 seems to be the most stable. Also, when I close one of the Java windows, about 30% of the time the whole application crashes.
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Apr 5, 2012
What has been released to install as a security update? I seem to be clicking on one web link which takes me to another and nothing to actually install. Typical Apple. Really wish I hadn't bought this MacCrap Air - I do miss my PC.
Info:
MacBook Air, I bought it Oct 2011
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Apr 7, 2012
I am running OS 10.5.8 on an iMac. There is no security update issued for this operating system - it only covers 10.6. Is my comuter vulnerable? Do I need to do anything?
Info:
iMac, Mac OS X (10.5.8)
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Apr 13, 2012
It will not update
Info:
MacBook Pro (17-inch Early 2008), Mac OS X (10.7.3)
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Jul 6, 2012
I was running java 1.6.0_33 on my Mac Lion and later I installed java 1.7.0_05. Now in my Java preferences I see both the Java SE available.Now my problem is when I enable Java 7(& select Enable applet plug-in and Web start applications), my JNLP file doesn't run with java web start, from Safari as well as Firefox. When I try running the jnlp using Open With option and selecting Java Web Start present in /System/Library/CoreServices, nothing happens.
When I try running the JNLP file from Terminal suing command /System/Library/CoreServices/Java Web Start.app/Contents/MacOS/Java Web Start xyz.jnlp I get following error
Java Web Start splash screen process exiting... Can not find message file : No such file or directory.
Info:
Mac mini, Mac OS X (10.7.2)
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Apr 15, 2012
I made a Java applet with Xcode 3.2 and i load it to firefox or Safari(Yeah i've updated my java)and for example
i made a HELLO WORLD simple applet to be in black color letters, then compiled and yeah it worked but then i redid it for the letters to be red.. and they kept being black..no matter how many times i recompiled the applet.
And yeah the HTML is pointing to the correct class file. Also, If if i add a Thread and implement runnable.. then nothing shows up in the canvas.
And also, what ever happened with the appletviewer application? We don't have that anymore.
now the only way to run applets is through a web browser. Is java applet developement in 10.6 really over?
Info:
Mac OS X (10.6.7)
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Apr 27, 2012
Since the flurry of 2012 updates, Java is completely broken on my Mac Pro. Java dependent apps don't start and Apple Support says to enable the apps in Java Preferences. Nice idea, but Java Preferences WILL NOT LAUNCH either. There were plenty of tools to address flashback and they DID NOT break normal day to day operations.I downloaded the package from support to try a re-installation, but it says "A newer version of Java is already installed" and offers me the option to Close. No reinstall, nothing. Apple support is at it's usual level of service on this issue, completely INVISIBLE.
Info:
Mac Pro, Mac OS X (10.7.3)
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May 10, 2009
I am brand new to Mac (I got a G4 laptop in trade to replace a dead windows desktop).I am trying to install Limewire and it tells me that I cannot: "could not launch application because it requires a version of Java that is not installed". It goes on to acknowledge that it can see everything up to 1.5...but that I need 1.6.
So, I go to Software Update and make sure that I have 1.6. It tells me that there are no new updates, that my computer is up to date.I think I recall being told that I am running Leopard on this laptop.If java 1.6 is available, and I do not have it, and my computer tells me that there are no new updates that my computer needs and will not automatically grab java 1.6, yet I need it to install anapplication....what are my options?
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Apr 16, 2012
how can i force a program to use java 6 instead of java 7?im trying to use tekkit (minecraft mod) and i need java 7 for the sever but java 6 for the lancher?how i could force the lancher into using java 6?
Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.3)
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Apr 12, 2012
I am having problem with post processing a simulation. Every time I hit the "plot parameter" button within the software I get the same error. Opening the file on a windows machine works perfectly fine, therefore I have tried updating the Java through "Software update" and still no luck.
Here are the error details:
Exception:java.lang.NoClassDefFoundError: apple/laf/CUIAquaComboBox(rethrown as com.femlab.util.FlFatalException)
Messages:Fatal error.- Type: NoClassDefFoundError
[code]....
Info:
MBP 2.0 GHz, Mac OS X (10.5.5)
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May 24, 2012
I just updated java. Yet, when I try to access this webpage, I get the "the page attempted to load java content, but java is unavailable or not installed." So, not sure what do to at this point?
Info:
Mac Pro, Mac OS X (10.5.8)
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Dec 11, 2010
Hey guys, i got an old Powerbook that the whole family use to surf the net. I notice its been super slow lately. Ive never had a problem with this notebook, I've only done 2 reinstall in the time ive owned it. I recentluy did another one, and notice its still slow, loading websites is slow, cant watch movies on it. This is a notebook i use to do photoshop and illustrator work on.
Do you think its just its time? I think it could be the hard drive or memory, is there any type of diagnostic i can do to find out what the problem is?
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Nov 23, 2008
I am copying my DVD collection to the computer to be able to play on an iPod and a mac mini hooked up to the hdtv. Mainly TV shows.I have a Mac Pro with 2 DVD drives. The first one is the original drive (Pioneer DVR-111D) and the second is a Pioneer DVR-116D which I added. I intended to use this 2nd drive mainly for ripping DVDs because I knew I would have to update the firmware to get rid of riplock.
On the DVR-116D drive, I updated the firmware to remove riplock so it would not be limited to 5x read. I have not updated the firmware on the original DVR-111D drive. I am using fairmount to rip the DVD.Under OS X just ripping the DVD to the hard drive takes maybe 20-30 minutes. MacTheRipper is just as slow as is making a disk image using disk utility. I boot into Vista and use DVD Extractor and the same DVD takes 7 or 8 minutes .
Why is it so slow or is there a faster method of ripping a DVD on OS X?
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Jun 3, 2004
I have a new MacBook (Dec '08) and everything is working fine with one exception. When I type numbers into the calculator app they appear on the screen in slow motion with a nice long pause as each number typed is displayed. On our iMac the calculator app just flies along and has no problem keeping up no matter how fast I enter in numbers. Any ideas where to start on this one? Besides the standard software we have installed Microsoft Office and Handbrake.
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Mar 28, 2012
I have a Macbook Pro core 2 duo era 2007, OS 10.6.8, with an interesting problem I've not encountered in reading other issues. Here's the system profile, to get that out of the way: [code] Enabled Other than the faulty video card that seems standard for this run of the Pro, I have never had an issue. I have just replaced the battery from the original battery that came with the computer. It was useless to the extent of the word, but my budget did not allow me to purchase a new battery until recently. The battery info only stated "Replace Now" and the LED meter no longer functioned. The battery held no charge, and the computer only ran off of wall power. Up until a few days before I replaced the battery, this provided no trouble. However, it began one day to startup extremely slowly (5 minutes or more on the Apple logo startup screen, and then more time to load dock/top screen toolbar/etc. It also failed to recognize the external HD I frequently use with this computer. My theory was that it was simply underpowered on account of the failed battery, and the internal HD or the CPU was just not able to run properly. I finally put a new battery in hoping that it would fix the issue, but no avail. My startup time seems slightly less, but it seems as if the computer has not loaded interface protocols, as the computer is unresponsive to attempts to open the dock or a finder window, or even hover over battery or volume icons. After 5-10 minutes it finally kicks in and I can use my computer without problem, with the exception of the external HD, which will still not load.I have run disk utility, verified my HD, no errors reported. I have the activity monitor up which shows a pretty minimal load on the CPU and disk usage. Nothing I can think of would explain the problem my computer has suddenly adopted.
Info:
MacBook Pro (15-inch 2.4/2.2 GHz), Mac OS X (10.6.8)
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Aug 24, 2014
I have this MBP 13'' Mac OS X 10.7.5 running a 2.4GHz i5, 4GB RAMs and 500GB storage.The problem started yesterday when I was typing on Word and I copy pasted something from the net (chrome browser) then it froze.I waited for around 5minutes and still frozen with the spinning wheel, then I decided to turn it off by pressing power for 10 seconds restarted my
MBP then now it running so slow on start-up and apps are very slow to open like around 5 minutes. Every action that I try to do like clicking on the apple in the upper left it freezes showing a spinning wheel and it will take time to show the drop down options. I checked disk utility and it said that HD is ok, done verify/permission verify and repair.
I checked the activity monitor noting the ram/CPU usage and its normal it even tells that 2GB of ram is not use.It shows not responding in the activity monitor if you open an app for around 5mins then it opens or it will crash.I already done the 2 kinds of reset and did not work.BUT it opens normally in Safe mode.
Info:
MacBook Pro, Mac OS X (10.7.5)
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Apr 17, 2009
I'm finding my MBA rev b to be quite slow opening apps, I bought the 1.6 ghz 120gb model.
It seems like everything's rather slow to open. I have 30gb free on the hard drive, iTunes, Safari (5 tabs) TextWrangler and mail open all day.
If I ever need to go into Firefox it takes a fair while to get up and running. I ran some xbench scores and it seems very slow on the random reads, oddly it was much quicker writing to the disk than reading.
Is their anyone in the know who can confirm that this is normal? Or if not, is there anything I can do to give it a boost?
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Apr 22, 2012
recently my Mac is really slow, slow on startup(took around 1-2hours), and slow on task(more than 5 minutes delayed time on every single task), I don't know what happened to it,
My Mac specs:
1.Mid-2010 27 inch iMac,
2.Original 4g Ram upgraded to 12g
3.1TB HD has got more than 400gb free space.
4.i3 processor
5.Using latest Lion(I think it's 10.7.3)
Problems:
1.Startup tooooooooo slow, take more than 1 hour
2.Extreamly slow on tasks. Without any apps opened, every single click, it turned into the 'colorful fan', for instance, open finder, it took more than five mins, and it's not only the finder, it's EVERYTHING!!!!
What I have done so far:
1.I have reduced the login items
2.I have changed the password login to the automatic login
3.I have tried verify disk permission, verify disk, repair disk permission and repair disk
4.Unplug all unnecessary items(monitor, external drive etc.)
5.Run couple of time of 'clean my Mac', get rid of all the trash.
6.Cleaned the cache
Due to the ridiculous, frustrating startup, that's all I could do, however, none of them worked.
Now I am using recovery HD to reinstall Lion from a disc, but I don't know if it'll work or not.
I don't have another Mac, I don't have backups(don't want to lose my data),that's my situation.
Info:
iMac 27'', Mac OS X (10.7), iPhone 3GS,iPad 3G/Wifi 64G, Sony vaio CR
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Oct 30, 2010
Is there a way to tell which one is slow, if anything is going slow? I have an extremely old PC which is normally ok for most things, but gets bogged down if I am doing too many things.I was so annoyed with our national real estate site after they changed the format that I wrote a letter once a long time ago.. and I was ready to let them have it again, listing all the reasons why it is so bad and so much worse than the original.
Today for the first time, I accessed the site (mls.ca) using my new iMac. It was like lightening speed, comparatively speaking.Wow, suddenly I knew why the mls people hadn't changed their new format.But then I started going to other sites.. like airmiles.ca for example, and it was slow as heck... and stalling.. etc.
How would I be able to tell whether it is an internet slowness or the computer being slow?
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Jun 6, 2012
I edit using Lightroom and Photoshop and I'm having an issue while editing. After editing around 8-10 photos in Photoshop the computer starts running unbelievably slow. After each 8-10 photos I have to close down everything and reboot. Even the reboot process is super slow as I have to force quit each application usually 1-2 times to get it to close. Is this normal? I have a 2011 17" with 2.2 GHZ i7 with 8GB ram. Is there any setting that I can change or be aware of.
Info:
MacBookPro, Mac OS X (10.7.2)
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Oct 31, 2009
So I just decided to install Limewire today. When I installed the newest version I couldn't use it because it required Java 1.6. I learned on the internet that the only way to get around this was to buy Mac Leopard and I'm not about to do that for Limewire. So I thought I would take another route and try to install an older version of Limewire and get around not having Java 1.6 that way. I downloaded Limewire 4.18.8 from this web page: [UR:] . When I open the installer on the computer, I click "Continue' on the first page, I choose to install the application on my hard drive, I get to the Install page, and click "Install." It then tells me: "You cannot continue. There is nothing to install."
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Mar 16, 2010
I have tried software update, I've tried downloading the update and installing it manually... no matter what I do, my machine is always running 1.5 when I need 1.6.
Code:
java -version
java version "1.5.0_20"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_20-b02-315)
Java HotSpot(TM) Client VM (build 1.5.0_20-141, mixed mode, sharing)
How can I get my machine to find the 1.6 version and use it permanently?
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Jun 18, 2012
How do I install java on Mac?
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Feb 1, 2009
Long time browser, first time poster. I just have a question about finding the Java 1.6 update for my macbook pro. I did a search first and came up with nothing. I went to Java's website and all it recommends to do is run a software update which I have done, but it only updated me to java 1.5. Apple and [URL] only have the Java 1.6 update for the "64-bit capable Intel" computers, but I guess my machine is a 32 bit. I did a google search and there are plenty of blog and computer sites that say it is available, and has been since April of 2008. Can any of you point me in the right direction on where I can find it? Just trying to get Limewire to work on this thing (its my first Mac, pretty fancy machines these things are, very happy with it).
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Jul 10, 2010
i have just done a re-install on my ibook G4 and my operating system is 10.4.2.When i tried to re-install vuze it told me the my java is outdated,no problemo i down loaded 1.5 as per minimum spec however when i try to install java it tells me that i need tiger with at least version 10.4 1.1 and have 10.4.2 i cant seem to find a work around as aszerus is no longer supported.Any help would be appreciated save me buying a new computer as i know this
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Mar 22, 2009
When running certain apps when logged in to my MAC (OS 10.5.6), I get the Java cup symbol (the one with arrows around it), but no app. When logged into the same mac as other users (my family), they run fine. Any ideas how to resolve?
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Jun 17, 2009
I'm running an intel iMac Core 2 Duo from a few months back. I installed the most recent security update for Mac OS X Leopard and after the reboot the computer worked fine for 2 more boots.
(Note: during these boots I noticed that often my computer would get the spinning rainbow wheel for a long time before it went away. It happened at apparently no prompting.)
After those I installed the game City of Heroes on my macintosh and then attempted to install the new safari and Java update (I haven't updated in a while.)
I was told the Java update and safari update failed to install. I rebooted to try again and attempted to install again. Both failed.
I gave up and started playing CoH. About 2 hours after playing my game froze. I was running ventrillo at the same time and was able to talk on that.
After many failed tries to use command + option + escape I decided to hold down the power button to reboot my computer. The first attempt yielded a solid blue screen.
The second attempt the computer started fully. Stupidly I assumed the problem was fixed and didn't backup software and files.
I tried to run City of Heroes again and the app would not even show up in dock. It simply would not run. All other apps seemed to work fine.
I rebooted again and this time I got another blue screen. Again, but this time I got the grey screen with the apple symbol and the spinning wheel. I've never gotten past this screen again.
I have boot camp so I tried to boot into windows. Windows booting was successful. After that I rebooted and attempted to use the advice from this thread for help: [URl] I tried the single user mode fix first. I got the message:
/dev/rdisk0s2
Root file system
Checking Journaled HFS Plus volume
Checking Extents Overflow file.
Checking Catalog file.
Incorrect block count for file temp3271201
(it should be 8 instead of 0)
Keys out of order
(4, 966)
Rebuilding Catalog B-Tree.
The volume Ben's Computer could not be repaired.
FILE SYSTEM WAS MODIFIED
After that I tried to reset PRAM. Still the grey apple with the spinning wheel. I tried the single user start up again. Again failed.
After that I tried booting into safe mode. Using these steps: [URL] Unfortunately, NONE of these ways would let me boot into safe mode. Both left me at the same grey apple icon and spinning grey wheel.
I would appreciate help SO much. Even if the only fix is to get a new computer any advice would help me. If I need to somehow reformat or such then if anyone might know how I could backup my settings and applications with this impediment.
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Jan 28, 2010
I just bought a mac last week and i just play to one game: Football Manager 07.
I tried to install it but the install assistant said to me that he can't found the Java Virtual Machine.
I have the new mac OS X 10.6.02 ...
Does it happened to anyone else? Someone can help me ?
PS: I'm sorry for my bad English, but I come from a French country so I can't speak English at well ...
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Feb 11, 2010
with vuze on my mac osx, im selecting the files to download, via bt junkie, vuze then loads as normal but the new files do not appear! they show in downloads as normal, i double click on them and it says i need java 1.6, which i believe i already have, have checked mac updates and all is apparently fine
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Mar 29, 2010
Doing a complete new install on a number of pre-cleaned HDs on numerous models of older donated Macs (G4/G3s desktops, iMac Bondi CPUs) for a graphic design program I'm starting for inner city kids. After installing 10.4 from an original Tiger disk, then installing 10.4.11 combo update followed by Security Update 2009-005, I want to insure I'm also using the most recent version of Java for this install as well. But when I install Java for Mac OS X 10.4, Release 9, I get the message I need to install earlier version(s) first(?).
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