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Closed 8 years ago.
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im trying to install eclipse on my mac (32bit). There is a pop saying that i need to use the latest jdk and from java.com the jdk i need is not available to 32bit running osx. The jdk they have for mac is 64bit version only. Any suggestion on how to fix this error?
I am afraid that JDK 1.7 is only available for 64bit OS X versions. If you are asked for JDK 1.7 you are probably trying to install Eclipse 4.4 (Luna). What you can do is install Eclipse 4.3 (Kepler). This works with JDK 1.6. Apple has its own version of JDK, and its probaby installed by default. If not i guess you can use Software Update to get it.
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Closed 7 years ago.
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How can I install 32 bit JDK on Ubuntu 64bit? I need to install it as I am having some problem with eclipse for android development.
The OpenJDK is part of Ubuntu's main repository, so it can be installed with the usual Ubuntu tools. You want package openjdk-7-jdk or openjdk-8-jdk.
Thanks to the "MultiArch" feature Ubuntu inherited from Debian, you can install the 32-bit version of a package on a 64-bit system using the usual tools, such as apt-get or aptitude. Just append :i386 to the package name. For example:
sudo apt-get install openjdk-7-jdk:i386
Any required i368 libraries will then be installed automatically.
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Closed 8 years ago.
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I have installed Netbeans 8 with JDK version 1.8. I recently downloaded iReports 5.6.0 for the creating reports. After installation the program doesn't open. There is an error saying
Cannot find Java.exe
Neither (null)\jre\bin\java.exe nor (null)bin\java.exe exists.
How can I solve this?? I have created my project using Netbeans8 and if I downgrade my netbeans to version 7 or something won't my GUI interfaces get messed up?
You'll have to modify the ireport.conf file to specify the JDK you want iReport to use.
Going through the install Windows 7 x64 will specify the default path to the x86 program files. I.E. "Program Files (x86)" Change this to "Program Files" then make the changes in the config file.
You'll find the ireportpro.conf file under [ireport_install_directory]\etc\ireportpro.conf. If you installed iReport with the installer, there's an ireport folder in the folder where you installed JasperReports Server.
There are two lines in that file that I would change:
Uncomment out the jdk home setting, and point it explicity to where you've installed th 64-bit JDK 1.7. Change it from:
jdkhome="/path/to/jdk"
To something like what you see below:
jdkhome="C:\Program Files\Java\jdk1.7.0"
I would also change the "default_options" line from:
default_options="-J-Xms24m -J-Xmx512m -J-Dorg.netbeans.ProxyClassLoader.level=1000 -J-XX:MaxPermSize=256m"
to something that gives the JVM running iReport more memory and a lower MaxPermSize value. An
default_options="-J-Xms1024m -J-Xmx1024m -J-Dorg.netbeans.ProxyClassLoader.level=1000 -J-XX:MaxPermSize=128m"
Enjoy!
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I am using 64 bit windows 8, i have downloaded jdk-7u51..x64.exe from official site of oracle. but as soon as i run the set up it says
"The app can't run on your pc,check with the software publisher"
whats is the problem why 64 bit jdk is not able to install on 64 bit windows 8.
Latest java gives some issues in Eclipse Use this link to download in java
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Closed 9 years ago.
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Not a Java person, so forgive this simple question, but on our Windows Server 2008 Enterprise server we have the following Java installations:
My understanding is that this is the JRE - shown as Java (TM) 6 Update 37 (64-bit) above I believe - and the JDK.
If I un-install the JRE will that leave the JDK intact and have no adverse effect?
Yes, you can surely uninstall and start working with JDK without any issues. Just don't forget to update JAVA_HOME and path variables accordingly.
Please refer to this page for steps of how to setup JAVA_HOME and path
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I have already JDK 1.6.0.0_25 on my computer with Windows 7 Professional.
How I can savety update current JDK to JDK 7.0 and tesing this update?
I suggest you install JDK 7 as well. You can have Java 6 installed as well and make this this default. You can uninstall one or other version later.
IMO a good way would be to download and install JDK 7 separately. If it works out fine for you, uninstall the previous one and update the environment variables accordingly (namely JAVA_HOME and PATH). You can download the latest stable release here.
Install Java 7. Uninstall Java 6 if it doesn't do that already. If there's an issue with Java 7, uninstall it, reinstall Java 6.
If you're really worried, make a backup. Or try installing it on a VM image of your machine first.