Why Cant I Download Java On My Mac

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Some times if you are a new macOS user or even pro, it takes some time to find out which Java version I’m running with? What if you want to use Java 1.7 with Eclipse IDE?

While running Eclipse with new Macbook, you may see an error about installing Java SE 6. Follow steps mentioned in that tutorial to fix it. But after finish installation, you may need to switch between JRE’s like 1.6, 1.7 or 8 (latest Java). Well if you have any of below questions then you are at correct location.

  • Where is Java installed on my Mac OS X system?
  • How can I setup latest JDK 1.7.X to default workspace in Eclipse in Mac?
  • JRE 7 Installation for Mac OS X
  • Important Java Directories on Mac OS X
  • Where is Java 7 Installed on Mac OS X?
  • How to switch JDK version on Mac OS X
  • Mac OS X Platform Install FAQ
  • Mac OS X 10.6 and below: Apple's Java comes pre-installed with your Mac OS. Mac OS X 10.7 (Lion) and above: Java is not pre-installed with Mac OS X versions 10.7 and above. To get the latest Java from Oracle, you will need Mac OS X 10.7.3 and above. If you have Java 7 or later versions, you will see a Java icon under System Preferences.
  • Why Can't I Download Java On My Mac Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support services. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer.

The information on this page pertains to Oracle Java starting with Java 7, supported with Mac versions 10.7.3 and above. Find the Java Control Panel on Mac Launch the Java Control Panel on Mac (10.7.3 and above) Click on Apple icon on upper left of screen. Go to System Preferences; Click on the Java icon to access the Java Control Panel.

There are two ways you could install Java on macOS:

Option-1) Command line:

Downloading Java JDK on Linux via wget is shown oracle.com license page instead.

Download JDK 12.0

Download Java For Windows 7

macOS:

2
wget--no-check-certificate-c--header'Cookie: oraclelicense=accept-securebackup-cookie'
https://download.oracle.com/otn-pub/java/jdk/12+33/312335d836a34c7c8bba9d963e26dc23/jdk-12_osx-x64_bin.tar.gz

Linux:

2
wget--no-check-certificate-c--header'Cookie: oraclelicense=accept-securebackup-cookie'
https://download.oracle.com/otn-pub/java/jdk/12+33/312335d836a34c7c8bba9d963e26dc23/jdk-12_linux-x64_bin.rpm

Windows:

2
wget--no-check-certificate-c--header'Cookie: oraclelicense=accept-securebackup-cookie'
https://download.oracle.com/otn-pub/java/jdk/12+33/312335d836a34c7c8bba9d963e26dc23/jdk-12_windows-x64_bin.exe

Download JDK 11.0.2

macOS:

2
wget--no-check-certificate-c--header'Cookie: oraclelicense=accept-securebackup-cookie'
https://download.oracle.com/otn-pub/java/jdk/11.0.2+9/f51449fcd52f4d52b93a989c5c56ed3c/jdk-11.0.2_osx-x64_bin.tar.gz

Linux:

2
wget--no-check-certificate-c--header'Cookie: oraclelicense=accept-securebackup-cookie'
https://download.oracle.com/otn-pub/java/jdk/11.0.2+9/f51449fcd52f4d52b93a989c5c56ed3c/jdk-11.0.2_linux-x64_bin.rpm

Windows:

Download free java softwareJava
2
wget--no-check-certificate-c--header'Cookie: oraclelicense=accept-securebackup-cookie'
https://download.oracle.com/otn-pub/java/jdk/11.0.2+9/f51449fcd52f4d52b93a989c5c56ed3c/jdk-11.0.2_windows-x64_bin.exe

Download JDK 8.0.201

macOS:

2
wget--no-check-certificate-c--header'Cookie: oraclelicense=accept-securebackup-cookie'
https://download.oracle.com/otn-pub/java/jdk/8u201-b09/42970487e3af4f5aa5bca3f542482c60/jdk-8u201-macosx-x64.dmg

Linux:

2
wget--no-check-certificate-c--header'Cookie: oraclelicense=accept-securebackup-cookie'
https://download.oracle.com/otn-pub/java/jdk/8u201-b09/42970487e3af4f5aa5bca3f542482c60/jdk-8u201-linux-x64.rpm

Windows:

2
wget--no-check-certificate-c--header'Cookie: oraclelicense=accept-securebackup-cookie'
https://download.oracle.com/otn-pub/java/jdk/8u201-b09/42970487e3af4f5aa5bca3f542482c60/jdk-8u201-windows-x64.exe

Option-2) UI based:

Why Can't I Download Java On My Mac Computer

Mac OS X information for installing and using Java:

How Do I Download Java On My Macbook Air

1. Download latest JDK from Oracle (This is 64-bit only).

2. Double click to install it.

3. This installs JDK into Location

/Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home

How can I setup latest JDK 1.8.0_45 to default workspace in Eclipse in Mac?

Step-1

Why Cant I Download Java On My Mac

Open Eclipse IDE.

Step-2

Open Preference -> Java -> Installed JREs -> Add.

How do i download java on my mac

Step-3

Select Standard VM -> Directory -> JRE Home (provide /Library/Java/JavaVirtualMachines/jdk1.8.0_45.jdk/Contents/Home)

Step-4

How do i download java on my macbook air

Click Finish.

Step-5

Validate your steps by typing “java -version” in terminal window.

Step-6

And you are all set.

Also, there is a command java -verbose. It returns complete path at the end of command.

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GradeBook Won't Launch - Clear Java Cache

posted Sep 29, 2008, 8:11 AM by lesplin@tech.washk12.org [ updated Oct 1, 2008, 11:52 AM]
  1. On the client workstation, exit PowerTeacher Gradebook.
  2. Navigate to Control Panel > Java. The Java Control Panel appears.
  3. Select the General tab.
  4. Click Settings under the Temporary Internet Files section. The Temporary Files Settings dialog appears.
  5. Click Delete Files. The Delete Temporary Files dialog appears.
  6. Select both checkboxes, and click OK.
  7. Close the Java Control Panel.
  8. Launch PowerTeacher Gradebook.

Mac

  1. On the client workstation, exit PowerTeacher Gradebook.
  2. Navigate to Applications > Utilities > Java.
  3. Open Java Web Start.app. The Java Application Cache Viewer appears.
  4. Select the User tab.
  5. In the Application column, select all PowerTeacher Gradebook listings.
  6. Click Remove Selected Application.
  7. Close the Java Application Cache Viewer.
  8. Launch PowerTeacher Gradebook.

I have verified that Java is enabled in the browser, but PowerTeacher Gradebook will still not launch.

Ensure that Java 1.4.2 or 1.5 is loaded on the machine. If Javais not present, download Java 1.5 here:http://java.sun.com/products/archive/j2se/5.0_11/index.html
Note: Be sure to download Java 1.5 (Java 1.6 isnot yet supported).

I have verified that the machine has the latest version of Java, and that Java is enabled in the browser, but PowerTeacher Gradebook will still not launch. Why?

Upgrade to the latest version of the browser. Some olderversions of Firefox, Internet Explorer, and Safari may encounterproblems with launching PowerTeacher Gradebook. Upgrading to thelatest version of the browser will ensure correct operation. IfPowerTeacher Gradebook still does not launch, contact customersupport.

I accidentally upgraded the teacher's machine to Java 1.6 rather than Java 1.5. Is that a problem?

The teacher should not experience any issues using Java 1.6.Java 1.6 will not work on the server, but the teacher's localmachines should not have a problem. If you experience aproblem with Java 1.6, uninstall it and install Java 1.5. Compile clamav for mac.

When attempting to launch PowerTeacher Gradebook using the Safari browser, a generic Java Launch symbol displays, with nothing to click on. How can I fix this?

If Java 1.4.2 or higher is installed on the client machinerunning an up to date version of Safari, then this might mean youhave a problem with your Java Launch Service. Use the followingprocedure to reset launch services.

Reset Launch Services under Tiger

  1. Quit all running applications.
  2. Trash the following two files in the Macintosh HD > Library > Caches folder: com.apple.LaunchServices-0140.csstore
    com.apple.LaunchServices-014nnn.csstore
  3. Type your Admin password if prompted to authenticate the deletion of these files.
  4. Restart your Mac.
  5. Log in to the affected account.
  6. Empty the Trash.
  7. Attempt to re-launch gradebook.
  8. If the problem persists, trash the com.apple.LaunchServices.plist file in the Home > Library > Preferences folder of the affected account.
  9. Repeat steps 3-7.

Reset Launch Services under Panther

  1. Quit all running applications.
  2. Trash the com.apple.LaunchServices.6B.csstore file in the
  3. Macintosh HD > Library > Caches folder.
  4. Type your Admin password if prompted to authenticate the deletion of this file.
  5. Restart your Mac.
  6. Log in to the affected account.
  7. Empty the Trash.
  8. Attempt to re-launch PowerTeacher Gradebook.
  9. If the problem persists, trash the com.apple.LaunchServices.plist file in the Home > Library > Preferences folder of the affected account.
  10. Repeat steps 3-7.

Reset Launch Services under Jaguar

  1. Quit all running applications.
  2. Trash the com.apple.LaunchServices.plist file in the Home > Library > Preferences folder of the affected account.
  3. Trash the com.apple.LaunchServices.UserCache.csstore file in the Home > Library > Caches folder of the affected account.
  4. Restart your Mac.
  5. Log in to the affected account.
  6. Empty the Trash.
  7. Attempt to re-launch PowerTeacher Gradebook.