Java For Mac Os Lion

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Java For Mac Os Lion

 Java is open-source, fortunately. Accessing its source code is, unfortunately, not so intuitive on Mac OS X Lion when using Eclipse. This article will guide you through the steps required to be able to view Java's source code in Eclipse. 
2Downloading the JDK
3Using the JDK in Eclipse
Determine your Java version ∞ Apple uses a different versioning system for Java than Oracle. For example, on my system the actual Java version is '1.6.0_29' (determined by calling java -version from a terminal), but this version comes as 'Java for Mac OS X 10.7 Update 1' through Apple's Software Update. 
What's new in Java for Mac OS X 2017-001: This package is exclusively intended for support of legacy software and installs the same deprecated version of Java 6 included in the 2015-001, 2014-001, and 2013-005 releases. Under Oracle Java, only a single version of the JRE can be installed at a time. For more information, see JRE 7 Installation for Mac OS X. To access the Java Control Panel, click the Java icon in the System Preferences panel. If the Java icon is not present (under the Other category) in System Preferences, you do not have an Oracle JRE installed.
 To find out which Java Update you're running, go to the System Preferences and click Software Update. 
 Then you click on Installed Software and search the list for the latest Java update (here 'Update 1'). 
 That's the 'Java version' you need to know. 
Downloading the JDK ∞ When working with Java, you need to distinguish two Java software package types: 
JRE: The 'Java Runtime Environment' is necessary to run Java application. You cannot, however, compile Java programs with just the JRE.
 JDK: The 'Java Development Kit' is required when you want to compile Java programs. The JDK includes the JRE, and also comes with Java's source code. 
Remark: Eclipse comes with its own Java compiler. That's why you don't need to install a JDK to create Java programs with Eclipse. Eclipse doesn't ship with the Java source code though. That's why we still need the JDK. 

 The JDK for Mac OS X comes as 'Java Developer Package'. You can download it here: 
 You'll need an AppleID to download the JDK. Fortunately, it's free but you still need to register it. (Tip: You can use the same you use in the iTunes Store.) After logging in, type 'java developer package' in the search field (see screenshot). 
 Make sure the you download the Java Developer Package matching your Java version. In my case, this is 'Mac OS X 10.7 Update 1'. 
Note: Don't confuse '10.7' for Java 7. It's still Java 6. (So don't download a '10.6' version when you're running Mac OS X Lion.) 
 Then install the JDK. This will install the JDK under: 
Note: There's also the directory /System/Library/Frameworks/JavaVM.framework/. However, this directory seems to be deprecated. 
 The Java source code will be located here: 
Check an already installed JDK ∞ To check whether you've already installed a JDK, check the list of installed updates (see above) for an entry called 'Java Developer Package'. 
Note: Unfortunately, the Java Developer Package listed in the list doesn't have any (visible) version information attached to it. I'm not sure whether the JDK will be updated automatically when a new version becomes available. 
 To check the actual Java version of the installed JDK, go to /Library/Java/JavaVirtualMachines/ and check whether a package called like '1.6.0_29-b11-402.jdk' can be found there. In this example, the Java version would be '1.6.0_29'. 
Using the JDK in Eclipse ∞ On Mac OS X, Eclipse provides an automatic way to determine the directory of the installed JDK. Go to the Eclipse Settings and open Java –>Installed JREs. 
 Then, by clicking on the Search.. button, would find the newly installed JDK. Unfortunately, there seems to be a bug in Eclipse Ingido (3.7 – and probably in earlier versions, too) that prevents this button from working correctly. Clicking on it doesn't do anything when there's already one (and only one) JRE listed here; see screenshot. 
 To fix this problem, do the following: 
Duplicate the existing entry (by hitting the Duplicate.. button)
Delete the original entry; it's the one with checked checkbox in front of it.
Then click Search... This should add two new entries to the list (see next screenshot).
Delete the entry you've created in step 1 (i.e. the duplicate of the original entry).
Check one of the remaining entries. Note: The new two entries are linked. If you check one, both will be checked. Also, you can't delete the entry for /System/Library/Java/... Trying to do so will delete the other entry.
Close the Settings dialog with OK.
 Restart Eclipse. This will remove the wrong entry (the one for /System/Library/Java/..) from the list. 
 The list of installed JREs then should look like this: 
Manually adding a JDK ∞ If you want (for any reason) to add the JDK manually, here's how to do this: 

Go to Installed JREs in the Eclipse Settings.
Click Add..
Choose 'MacOS X VM' and hit Next..
Specify /Library/Java/JavaVirtualMachines/.jdk/Contents/Home/ under JRE Home. Note: You need to type/paste the directory directly into the field. You can't use the Directory.. as the directories in the JavaVirtualMachines directory are so called 'Mac OS X packages'. These directories are displayed as files and you can't browse their contents from within the dialog.
 Give the JDK a meaningful name and hit Finish. 
Changelog ∞ What changed? 
2011-12-30: Published 
In Mac OS 10.7, the Library folder is hidden. Preferences, presets, and other user customization settings are stored within this Library folder.
To access the Library folder:
For instructions on additional methods to make the Library folder visible, see How to access hidden user library files | Mac OS 10.7 Lion.
Some features in many Adobe applications require the Oracle Java Runtime Environment (JRE). In Mac OS 10.7, Java is no longer preinstalled but is an optional installation item.
Current Adobe installers and applications were built before these changes to Mac OS and anticipate that Java is installed. Adobe and Apple worked together to ensure that you can install Java with Mac OS 10.7, or at a later time before you install Adobe applications. (When you start an Adobe application, you are prompted to install Java if it isn't already installed.) In a corporate IT environment, be sure to preinstall Java, or make sure that it can be installed through firewalls or other security software.
 If the Java Runtime isn't installed, the following issues can occur in Adobe applications: 
Features are missing or behave improperly
The software doesn't start
Prompts to install Java Runtime occur
Applications hang or quit
For instructions to install the Java Runtime, see How to install the Java Runtime (JRE) | Mac OS 10.7 Lion.
Image.canon image.canon image.canon. Seamless transfer of images and movies from your Canon camera to your devices and web services. Creative Park Creative Park Creative Park. From easy craft ideas to origami-style 3D models – bring the paper fun into. SOFTWARE & DRIVERS. Search for your product to get started. Select your model. GET PERSONALIZED SUPPORT THROUGH YOUR CANON ACCOUNT. Your Canon account is the way to get the most personalized support resources for your products. Already have an account? Manage your Canon products and keep them up-to-date. Canon mf 3228 driver for mac. High quality, versatility and ease of use make the imageCLASS MF4890dw the perfect choice for your home or small office. The MF4890dw offers advanced new features to add convenience to your work day, including the tiltable control panel, Quiet Mode 11 and simple solution keys. With wireless capabilities 9, speed and all mode duplex your home or small office will never miss a beat. ImageCLASS MF244dw. View other models from the same series Drivers, Softwares & Firmwares.
In Illustrator CS5 and CS5.1, and in InDesign CS5.5, Crash Reporter doesn't appear or appears after long delays (10-15 minutes).
When you scroll, the result could be the opposite of expected due to the 'Move content in direction of finger movement when scrolling or navigating' feature. To alter this behavior, deselect the feature at the top of the Mouse section within the System Preferences.
CS2 and earlier versions of Adobe products require Rosetta to run on newer Intel-based Mac systems. These older versions are not supported on Mac OS 10.7 as it doesn't support Rosetta.
Mac OS 10.7 has some exciting new features such as Autosave, Restore, Versioning, Full Screen Mode, and more multi-touch gestures. For Adobe applications to fully support these features, additional product development is required. Adobe is working to address this issue. For related information, see Mac OSX 10.7 preference to 'Restore windows when quitting and re-opening apps' doesn't work with Adobe applications.
Adobe Reader plug-in and Acrobat plug-in are not compatible with the Safari 5.1 browser, included with Mac OS 10.7 and for 10.6 in July 2011. Adobe Reader and Acrobat continue to work as stand-alone applications on Mac OS 10.7 and 10.6, and render PDF documents outside the browser. In addition, Safari 5.1 renders PDF documents natively. However, the Adobe Reader and Acrobat plug-ins don't function as expected in LiveCycle. And Acrobat workflows that require either plug-in to render PDF documents in Safari 5.1.
Recommendations: 
If you use forms, digital signatures, portfolios, guides, 3D, extended PDF documents and rights management, and require the Acrobat plug-in to render PDF documents in the Safari browser, Adobe recommends that you continue to use Safari 5.0.x and Mac OS X 10.6. Adobe will provide updates as it continues to investigate this issue. For additional information, see Apple Safari 5.1 and Adobe Reader/Acrobat Advisory.
When Adobe Drive 2 or 2.1 connects to a digital asset management (DAM) server, Photoshop, InDesign, InCopy, Illustrator, and the Mac OS X Finder can't display folders or files in second-level folders of a mounted drive. Adobe Drive 3 addresses this issue. For additional information, see Folder contents not visible in drive mounted on Mac OS 10.7 | Adobe Drive 2.x
The Adobe Connect Add-in is not officially supported for use with Mac OS 10.7. For more information, see Known issues with the Adobe Connect Add-in version 9.4.80.0 and Mac OS X Lion.
Total War: SHOGUN 2 features enhanced full 3D battles via land and sea, which made a name for the series, as well as the tactical campaign map that many refer to as the heart and soul of Total War. Featuring a brand new AI system inspired by the scriptures that influenced Japanese warfare, the millennia old Chinese 'Art of War', the. Total war for mac. Total War: NAPOLEON - Definitive Edition for macOS challenges you to combine diplomatic cunning with strategic vision and military genius in order to lead your nation to victory across the campaign maps of Europe, the Middle East and North Africa.
Contribute CS5, CS5.1
Contribute detects LPDF files as PDF files. An error message appears during publish.
The Contribute plug-in crashes when you select text or add a highlight color outside the color panel in the Firefox browser (Contribute In Browser Editing).
Publishing Content Type with metadata enabled results in Content Type being successfully published but the metadata is not created or populated. Such categories of XML files cannot be edited because validation fails on Lion.
Contribute CS4
The color picker does not select color outside the color picker dialog box.
Security preference for mac. For information, see the following articles:
Keychain contains multiple instances of Dreamweaver CS4 | Mac OS 10.7 Lion 
Color Picker returns incorrect sample color | Dreamweaver CS4 | Mac OS 10.7 Lion
In Fireworks CS4, the color picker doesn't reflect the color selected on canvas. 
Flash Builder 4.0.x doesn't work on Mac OS 10.7. Adobe does not intend to update this product for use on Mac OS 10.7.
Flash Builder 4.5.x is compatible with Mac OS X 10.7, although issues can affect installation and product usage:Before installing Flash Builder 4.5.1, install Java for Mac OS X 10.7. Otherwise, Flash Builder 4.5 is installed instead of 4.5.1. For instructions to install Java, see Install the Java runtime (JRE) | Mac OS 10.7 Lion.
Flash Builder includes a version of Flash Player that is not recommended for use with Mac OS 10.7. Rather than installing the default version, download and install the latest debugger version.
Right-clicking in the package explorer can stop working after prolonged use of Flash Builder. To resolve the issue, restart Flash Builder.
Flash Builder 4.6 for PHP when installed as a plug-in into Eclipse 3.7 is generally compatible with Mac OS 10.7. However, if you are using a stand-alone configuration of Flash Builder 4.6 for PHP (Flash Builder 4.6 integrated with Zend Studio), right-clicking in the Package Explorer is sometimes unresponsive. To resolve the issue, close and reopen Package Explorer. If the issue still exists, restart Flash Builder.

 The JDK for Mac OS X comes as 'Java Developer Package'. You can download it here: 
 You'll need an AppleID to download the JDK. Fortunately, it's free but you still need to register it. (Tip: You can use the same you use in the iTunes Store.) After logging in, type 'java developer package' in the search field (see screenshot). 
 Make sure the you download the Java Developer Package matching your Java version. In my case, this is 'Mac OS X 10.7 Update 1'. 
Note: Don't confuse '10.7' for Java 7. It's still Java 6. (So don't download a '10.6' version when you're running Mac OS X Lion.) 
 Then install the JDK. This will install the JDK under: 
Note: There's also the directory /System/Library/Frameworks/JavaVM.framework/. However, this directory seems to be deprecated. 
 The Java source code will be located here: 
Check an already installed JDK ∞ To check whether you've already installed a JDK, check the list of installed updates (see above) for an entry called 'Java Developer Package'. 
Note: Unfortunately, the Java Developer Package listed in the list doesn't have any (visible) version information attached to it. I'm not sure whether the JDK will be updated automatically when a new version becomes available. 
 To check the actual Java version of the installed JDK, go to /Library/Java/JavaVirtualMachines/ and check whether a package called like '1.6.0_29-b11-402.jdk' can be found there. In this example, the Java version would be '1.6.0_29'. 
Using the JDK in Eclipse ∞ On Mac OS X, Eclipse provides an automatic way to determine the directory of the installed JDK. Go to the Eclipse Settings and open Java –>Installed JREs. 
 Then, by clicking on the Search.. button, would find the newly installed JDK. Unfortunately, there seems to be a bug in Eclipse Ingido (3.7 – and probably in earlier versions, too) that prevents this button from working correctly. Clicking on it doesn't do anything when there's already one (and only one) JRE listed here; see screenshot. 
 To fix this problem, do the following: 
Duplicate the existing entry (by hitting the Duplicate.. button)
Delete the original entry; it's the one with checked checkbox in front of it.
Then click Search... This should add two new entries to the list (see next screenshot).
Delete the entry you've created in step 1 (i.e. the duplicate of the original entry).
Check one of the remaining entries. Note: The new two entries are linked. If you check one, both will be checked. Also, you can't delete the entry for /System/Library/Java/... Trying to do so will delete the other entry.
Close the Settings dialog with OK.
 Restart Eclipse. This will remove the wrong entry (the one for /System/Library/Java/..) from the list. 
 The list of installed JREs then should look like this: 
Manually adding a JDK ∞ If you want (for any reason) to add the JDK manually, here's how to do this: 
Go to Installed JREs in the Eclipse Settings.
Click Add..
Choose 'MacOS X VM' and hit Next..
Specify /Library/Java/JavaVirtualMachines/.jdk/Contents/Home/ under JRE Home. Note: You need to type/paste the directory directly into the field. You can't use the Directory.. as the directories in the JavaVirtualMachines directory are so called 'Mac OS X packages'. These directories are displayed as files and you can't browse their contents from within the dialog.
 Give the JDK a meaningful name and hit Finish. 
Changelog ∞ What changed? 
2011-12-30: Published 
In Mac OS 10.7, the Library folder is hidden. Preferences, presets, and other user customization settings are stored within this Library folder.
To access the Library folder:
For instructions on additional methods to make the Library folder visible, see How to access hidden user library files | Mac OS 10.7 Lion.
Some features in many Adobe applications require the Oracle Java Runtime Environment (JRE). In Mac OS 10.7, Java is no longer preinstalled but is an optional installation item.
Current Adobe installers and applications were built before these changes to Mac OS and anticipate that Java is installed. Adobe and Apple worked together to ensure that you can install Java with Mac OS 10.7, or at a later time before you install Adobe applications. (When you start an Adobe application, you are prompted to install Java if it isn't already installed.) In a corporate IT environment, be sure to preinstall Java, or make sure that it can be installed through firewalls or other security software.
 If the Java Runtime isn't installed, the following issues can occur in Adobe applications: 
Features are missing or behave improperly
The software doesn't start
Prompts to install Java Runtime occur
Applications hang or quit
For instructions to install the Java Runtime, see How to install the Java Runtime (JRE) | Mac OS 10.7 Lion.
Image.canon image.canon image.canon. Seamless transfer of images and movies from your Canon camera to your devices and web services. Creative Park Creative Park Creative Park. From easy craft ideas to origami-style 3D models – bring the paper fun into. SOFTWARE & DRIVERS. Search for your product to get started. Select your model. GET PERSONALIZED SUPPORT THROUGH YOUR CANON ACCOUNT. Your Canon account is the way to get the most personalized support resources for your products. Already have an account? Manage your Canon products and keep them up-to-date. Canon mf 3228 driver for mac. High quality, versatility and ease of use make the imageCLASS MF4890dw the perfect choice for your home or small office. The MF4890dw offers advanced new features to add convenience to your work day, including the tiltable control panel, Quiet Mode 11 and simple solution keys. With wireless capabilities 9, speed and all mode duplex your home or small office will never miss a beat. ImageCLASS MF244dw. View other models from the same series Drivers, Softwares & Firmwares.
In Illustrator CS5 and CS5.1, and in InDesign CS5.5, Crash Reporter doesn't appear or appears after long delays (10-15 minutes).
When you scroll, the result could be the opposite of expected due to the 'Move content in direction of finger movement when scrolling or navigating' feature. To alter this behavior, deselect the feature at the top of the Mouse section within the System Preferences.
CS2 and earlier versions of Adobe products require Rosetta to run on newer Intel-based Mac systems. These older versions are not supported on Mac OS 10.7 as it doesn't support Rosetta.
Mac OS 10.7 has some exciting new features such as Autosave, Restore, Versioning, Full Screen Mode, and more multi-touch gestures. For Adobe applications to fully support these features, additional product development is required. Adobe is working to address this issue. For related information, see Mac OSX 10.7 preference to 'Restore windows when quitting and re-opening apps' doesn't work with Adobe applications.
Adobe Reader plug-in and Acrobat plug-in are not compatible with the Safari 5.1 browser, included with Mac OS 10.7 and for 10.6 in July 2011. Adobe Reader and Acrobat continue to work as stand-alone applications on Mac OS 10.7 and 10.6, and render PDF documents outside the browser. In addition, Safari 5.1 renders PDF documents natively. However, the Adobe Reader and Acrobat plug-ins don't function as expected in LiveCycle. And Acrobat workflows that require either plug-in to render PDF documents in Safari 5.1.
Recommendations: 
If you use forms, digital signatures, portfolios, guides, 3D, extended PDF documents and rights management, and require the Acrobat plug-in to render PDF documents in the Safari browser, Adobe recommends that you continue to use Safari 5.0.x and Mac OS X 10.6. Adobe will provide updates as it continues to investigate this issue. For additional information, see Apple Safari 5.1 and Adobe Reader/Acrobat Advisory.
When Adobe Drive 2 or 2.1 connects to a digital asset management (DAM) server, Photoshop, InDesign, InCopy, Illustrator, and the Mac OS X Finder can't display folders or files in second-level folders of a mounted drive. Adobe Drive 3 addresses this issue. For additional information, see Folder contents not visible in drive mounted on Mac OS 10.7 | Adobe Drive 2.x
The Adobe Connect Add-in is not officially supported for use with Mac OS 10.7. For more information, see Known issues with the Adobe Connect Add-in version 9.4.80.0 and Mac OS X Lion.
Total War: SHOGUN 2 features enhanced full 3D battles via land and sea, which made a name for the series, as well as the tactical campaign map that many refer to as the heart and soul of Total War. Featuring a brand new AI system inspired by the scriptures that influenced Japanese warfare, the millennia old Chinese 'Art of War', the. Total war for mac. Total War: NAPOLEON - Definitive Edition for macOS challenges you to combine diplomatic cunning with strategic vision and military genius in order to lead your nation to victory across the campaign maps of Europe, the Middle East and North Africa.
Contribute CS5, CS5.1
Contribute detects LPDF files as PDF files. An error message appears during publish.
The Contribute plug-in crashes when you select text or add a highlight color outside the color panel in the Firefox browser (Contribute In Browser Editing).
Publishing Content Type with metadata enabled results in Content Type being successfully published but the metadata is not created or populated. Such categories of XML files cannot be edited because validation fails on Lion.
Contribute CS4
The color picker does not select color outside the color picker dialog box.
Security preference for mac. For information, see the following articles:
Keychain contains multiple instances of Dreamweaver CS4 | Mac OS 10.7 Lion 
Color Picker returns incorrect sample color | Dreamweaver CS4 | Mac OS 10.7 Lion
In Fireworks CS4, the color picker doesn't reflect the color selected on canvas. 
Flash Builder 4.0.x doesn't work on Mac OS 10.7. Adobe does not intend to update this product for use on Mac OS 10.7.
Flash Builder 4.5.x is compatible with Mac OS X 10.7, although issues can affect installation and product usage:Before installing Flash Builder 4.5.1, install Java for Mac OS X 10.7. Otherwise, Flash Builder 4.5 is installed instead of 4.5.1. For instructions to install Java, see Install the Java runtime (JRE) | Mac OS 10.7 Lion.
Flash Builder includes a version of Flash Player that is not recommended for use with Mac OS 10.7. Rather than installing the default version, download and install the latest debugger version.
Right-clicking in the package explorer can stop working after prolonged use of Flash Builder. To resolve the issue, restart Flash Builder.
Flash Builder 4.6 for PHP when installed as a plug-in into Eclipse 3.7 is generally compatible with Mac OS 10.7. However, if you are using a stand-alone configuration of Flash Builder 4.6 for PHP (Flash Builder 4.6 integrated with Zend Studio), right-clicking in the Package Explorer is sometimes unresponsive. To resolve the issue, close and reopen Package Explorer. If the issue still exists, restart Flash Builder.
Flash Catalyst CS5 and CS5.5 are compatible with Mac OS 10.7. However, some issues affect usability of the product.
Adobe recommends using Flash Player 10.3.183.5 to get the best experience with Mac OS X Lion. In particular, this version resolves an issue with Flash Player settings panel not responding to clicks in Mac OS X Lion.
Flash Pro CS4 doesn't work on Mac OS 10.7. Adobe doesn't intend to update this product for use on Mac OS 10.7 and recommends not using it on Mac OS 10.7.
Flash Pro CS5 and CS5.5 are compatible with Mac OS 10.7.
Mac Os Java RuntimeIn Illustrator CS5 and CS5.1, the option to save or export is disabled in the Save As Or Export dialog box if the save location is the desktop. SeeSave/Export button is disabled on OS 10.7 | Illustrator CS5/CS5.1.
Photoshop Lightroom 3
Canon EOS 5D, EOS 20D, and EOS 350D (Rebel XT/EOS Kiss Digital N) cameras no longer work with tethered shooting under Mac OS 10.7 in Lightroom 3. The list of supported cameras also contains cameras that do not work tethered and any exceptions that exist. See Tethered Camera Support (kb2.adobe.com/cps/842/cpsid_84221.html). For troubleshooting tethering issues, see Troubleshoot tether capture (http://kb2.adobe.com/cps/894/cpsid_89486.html).
Some customers have reported inconsistent connectivity with Lightroom 3.4.1 and their Nikon cameras when using the tether function in Mac OS 10.6.8. Adobe is working on this issue, but recomments using Mac OS 10.6.7 until the issue is resolved. For more information, see Network volumes don't display in import dialog box after installing Mac OS X 10.7 (Lion) | Lightroom 3.
Photoshop Lightroom 2.x
Photoshop Lightroom 2.7 is verified to support Mac OS 10.7. Earlier versions were not tested, although they could run on Mac OS 10.7 without issues. However, Adobe recommends that you update to version 2.7. From within Photoshop Lightroom, chooseHelp > Check for Updates.
Photoshop Lightroom 2.x doesn't install from the installation DVD. For details, see Lightroom 2 doesn't install under Mac OS X 10.6 and 10.7.
Workflows that are dependent on the Adobe Reader plug-in don't function.
In Photoshop CS3, CS4, and CS5, droplets don't work. For details, see Droplets don't work | Photoshop CS5, CS4, CS3.
In Photoshop CS5, clicking inside a selection doesn't deselect it. For details, see Clicking inside a selection does not deselect it | Mac OS X 10.7 (Lion) | Photoshop CS5.
Photoshop CS4 crashes dragging layers in the Layers panel. For details, see Photoshop CS4 crashes | Dragging layers in Layers panel | Mac OS 10.7
Error occurs in Photoshop CS4 and CS3 at launch. For details, see Error: 'PowerPC applications no longer supported' occurs when launching |Photoshop CS4 or CS3 | Mac OS 10.7 (Lion)
In Adobe Premiere Elements 9, color artifacts appear in the Timeline area when moving clips within Timeline view.
Java For Mac Os CatalinaIn Adobe Premiere Pro CS5 and CS5.5, the Universal Counting Leader is missing countdown numbers. (This issue is fixed in the Adobe Premiere Pro CS5.5 (5.5.2) update.)
In Adobe Premiere Pro CS5.5, the Timecode effect doesn't render a timecode overlay. (This issue is fixed in the Adobe Premiere Pro CS5.5 (5.5.2) update.)
In Adobe Premiere Pro CS5, the Eyedropper tool (for example, for the Ultra Key effect) does not behave correctly on a system with multiple monitors with different vertical resolutions.
In Adobe Premiere Pro CS5.5, the Eyedropper tool (for example, for the Ultra Key effect) does not behave correctly. (This issue is fixed in the Adobe Premiere Pro CS5.5 (5.5.2) update.)
CUDA processing (Mercury Playback Engine Hardware Acceleration) is disabled under some circumstances. See 'Adobe Premiere Pro, Nvidia CUDA drivers, and Mac OSX v10.7 (Lion)' for more information.