1
vote
1answer
240 views

Oracle Java javac runtime error

I have been trying to install Oracle Java 7 on Ubuntu 11.04. I was following the instructions given here Once I followed all the steps ( to the letter ), I tried running java -version which gave ...
2
votes
1answer
2k views

java uses 100% CPU and cannot be stopped

I've encountered that the java-process is started without any reasing (while no java-application should be run) and after a while uses 100% of the CPU (AMD Phenom II X4) I kill it with the gnome ...
1
vote
0answers
102 views

Java wait() and sleep() not behaving correctly on a pariticular Ubuntu machine [closed]

I have a very strange Java issue which occurs only on a particular computer running Ubuntu. When I call the wait(timeout) function it always waits exactly 1000ms less than the time out amount I ...
1
vote
1answer
8k views

How do I use the 32-bit JVM on a 64 bit OS?

I have a 64-bit server with only 1 GiB of RAM (VM at Rackspace). I need to run a few instances of the JVM, and the 64 bit VMs are consuming too much RAM. I can't seem to find anyplace that tells me ...
0
votes
2answers
239 views

What are the disadvantages of adding the repositories from 11.04 to 11.10?

The reason I'm doing this is to have Sun's java 6 installed (getting updates, etc.) In 11.10 Sun's Java was removed from the partner repository. What do you think are the potential disadvantages?
1
vote
1answer
1k views

Sun-Java-6 Incorrect classpath/java.home problems in finding tools.jar

I installed sun-java6-jdk and sun-java6-jre (and likely other related java6 packages such as fonts) for a project running on a Ubuntu 11.04 server distribution. Our project programmatically calls ...
2
votes
1answer
546 views

Eclipse PDT plugin gives me trouble

Editor of PDT plugin jumbles the code and doesn't take responses in. I tried many things but didn't help at all. I was wondering what you guys are using to develop PHP applications for I am new to ...
1
vote
1answer
314 views

Java Application + Subpixel Rendering

How i can enable subpixel rendering in java applications like NetBeans?
2
votes
2answers
3k views

Webex “Share Application” feature doesn't work

Since upgrading to 11.04, when I use WebEx in either Chrome OR Firefox, and select "Share Application" I can click on applications running on my desktop, but they aren't shared. No errors are ...
7
votes
4answers
5k views

Sweet Home 3D doesn't start

I've recently installed Ubuntu 11.04 and downloaded the "Sweet Home 3D" program from the Software Center. It installed and it shows up as one of the applications when I search for it, but I cannot get ...
3
votes
2answers
4k views

How to update Eclipse 3.5.2 to 3.6.2?

I want to develop swing applications using the visual editor in Eclipse, but it need Eclipse 3.6. But it is already up-to-date using synaptic package manager. Is there a separate PPA for the version ...
2
votes
2answers
1k views

How can I fix the ugly fonts in java applications?

In Natty, and maybe since Ubuntu is using the ambiance theme by default, it seems java applications have a problem with fonts. This screen is easily reproducible by starting this webstart application ...
4
votes
2answers
950 views

What is the application of JRE in LibreOffice?

Initially when I installed Natty, JRE was not installed for libreoffice. Later I came to know installing JRE i.e., libreoffice-java-common will lead to performance improvements. So installed it and in ...
2
votes
2answers
3k views

Maven exits after trying to run it

I've manually installed sun java 1.6.0_24 and apache maven 3.0.3 into ~/Work on Natty and when I run maven from my terminal it exits. I've tried various other versions of maven (2.2.1, 2.0.11), ...
1
vote
1answer
2k views

Unable to locate /usr/lib/jvm/java-6-sun/jre/lib/javaws.jar in /usr/share/java

Looks like 11.04 missing javaws.jar. Not sure if it is intentional. /usr/share/java$ java -version java version "1.6.0_22" OpenJDK Runtime Environment (IcedTea6 1.10.1) (6b22-1.10.1-0ubuntu1) OpenJDK ...