All Questions
19
questions
18
votes
3
answers
37k
views
Is it safe to delete Java folders from C:\Users\(Username)\AppData\LocalLow\Sun\Java
I am using a Windows 7 64-bit PC.
I have many folders in C:\Users\(Username)\AppData\LocalLow\Sun\Java with names of older Java versions like:
jdk1.7.0_21_x64
jre1.7.0_45
jre1.7.0_25
These folders ...
- 572
11
votes
2
answers
107k
views
Where is java jre path specified in Windows 7?
I have java installed including jre 6 and 7 on Windows 7 64-bit. When I type java -version at the command line I get:
C:\>java -version
java version "1.6.0_22"
Java(TM) SE Runtime Environment (...
- 3,757
6
votes
2
answers
6k
views
How to give Java run time more heap space?
I am running PMD v4.2.5 on Windows 7 and it is running out of memory with the following error:
Exception in thread "Thread-4" java.lang.OutOfMemoryError: Java heap space
How can I configure the JRE ...
- 7,968
3
votes
3
answers
1k
views
Disassociate file with cmd.exe
I recently chose cmd.exe as a default program for .jar files with instant regret.
How do I associate this back again with javaw.exe in the JRE? The default program check box is disabled, so selecting ...
- 33
3
votes
1
answer
610
views
Unable To Successfully Use Java Anywhere (Windows 7 64bit)
This is a bit of an odd issue:
(This is with JRE 7u7 32bit.)
New Lenovo W530 laptop, everything is shiny. I tried to use a java applet for the first time recently (in Chrome). I got the Java logo and ...
- 31
2
votes
1
answer
10k
views
Fix java version mismatch in windows
I have the 64bit version of the jdk installed on windows 7. I installed the 32 bit version of the jre as websites complained that I didn't have the java plugin.
I tried in vain to get firefox to ...
- 514
2
votes
2
answers
5k
views
Java Install Error 1723
I was working on a program in Eclipse. I went to run it, and ran into some 'unknown source' errors, so I tried to reinstall my java and ran into some annoying errors. First thing I ran into was an ...
- 21
2
votes
1
answer
13k
views
Should JRE 7 be kept in Program Files (x86) or Program Files in Windows 7 (64-bit)?
I have updated JRE to version 7 update 4 and JDK to version 7u4. I have two Java folders, one in Program Files another on Program Files (x86). JRE was automatically downloaded to Program Files (x86) ...
- 921
2
votes
2
answers
7k
views
MATLAB is not working because of Java
I use Windows 7 x64. I have installed MATLAB 2010a to my computer. After running only the splash screen shows up for a while then program quits. I have found an error log and the first lines of the ...
- 365
2
votes
2
answers
4k
views
Java installation disappearing on Windows 7
I have installed jre version 1.8.0_51 on a 64-bit Windows 7. Some time after the installation I could not run java programs anymore, seemingly because the installation dissapeared. If I run "java -...
1
vote
2
answers
2k
views
Cannot remove or replace the JRE
About a month ago I attempted to remove a vulnerable version of the Java Runtime Environment (JRE). Unfortunately, I didn't know there was another user logged in at the time. This caused the ...
- 471
1
vote
2
answers
3k
views
apache-tomcat-8.0.22; Error occurred in initializing VM java.lang.NoClassDefFoundError : java/lang/Object
I have reinstalled JRE with latest version JRE1.8.0_45 .
Whenever I try to run Tomcat :startup.bat this error occurs .
Installation of JRE done with Oracle online installer and was perfect.
...
- 111
0
votes
2
answers
608
views
Java Installation in Windows 7
I installed java from Oracle website (here.) the last one Windows x64, but when I try to set the path there is no JDK folder inside the installation folder. There is jre folder there but it doesn't ...
jens
0
votes
1
answer
5k
views
Unknown Java error: Warning: Unable to load Java Runtime Environment
I am getting the following error dialogue when I want to run a program. The program has previously worked and it is giving this error all of a sudden:
Warning: Unable to load Java Runtime Environment:...
- 231
0
votes
2
answers
2k
views
JRE not running correctly on Windows 7 64-bit
An application called DosBox Game Launcher (DBGL) requires JRE in order to run successfully. I had it installed and running on my old Windows 7 32-bit machine without any problems. Today I got my new ...
- 1