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I upgraded to the 12.04 beta yesterday. Now, when I try to start Eclipse, I get the splash screen and then this error message:

An error has occurred. See the log file /home/gabriel/.eclipse/org.eclipse.platform_3.7.0_155965261/configuration/1335382319394.log .

The log file says something like this: 

java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons: 
    no swt-gtk-3740 in java.library.path
    no swt-gtk in java.library.path
    Can't load library: /home/gabriel/.swt/lib/linux/x86_64/libswt-gtk-3740.so
    Can't load library: /home/gabriel/.swt/lib/linux/x86_64/libswt-gtk.so

followed by many more error messages.

The /home/gabriel/.swt/lib/linux/x86_64/ directory exists, but is empty. I also tried reinstalling eclipse with no success.

Any ideas?

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6 Answers 6

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19

I have got the same issue in an AMD64 machine (Ubuntu 12.04). and solved it by a workaround:

copy: files containing '3740' in /usr/lib/jni/libswt-*3740.so to ~/.swt/lib/linux/x86_64/

But, be sure the packages : libswt-gtk-3-java & libswt-gtk-3-jni are installed.

sudo apt-get install libswt-gtk-3-jni libswt-gtk-3-java

And

sudo cp /usr/lib/jni/libswt-*3740.so ~/.swt/lib/linux/x86_64/

if you have a 32 bits based system : sudo cp /usr/lib/jni/libswt-*3740.so ~/.swt/lib/linux/x86/

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  • 1
    wow this actually worked for me too (Intel core i5, 64 bit ubuntu 12.04) thanks a lot!
    – vallllll
    May 1, 2012 at 9:57
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    Worked great for a 32-bit system. Using: sudo cp /usr/lib/jni/libswt-*3740.so ~/.swt/lib/linux/x86/ . Thanks and update your answer please.
    – Binarylife
    May 3, 2012 at 9:24
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    It really works for me either (Ubuntu precise 64 bit). I had created soft links instead of copy.
    – masuch
    May 4, 2012 at 23:11
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Try running

sudo update-alternatives --config java

and selection open jdk. This would probably work.

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  • This did work, but I'm trying to avoid using openjdk.
    – Keidax
    Apr 25, 2012 at 19:58
  • Actually, never mind. I'll just go with it.
    – Keidax
    Apr 26, 2012 at 1:58
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    I also wanted to avoid openjdk, so check out Hanynowsky's answer; it worked for me!
    – Nick Badal
    May 2, 2012 at 22:34
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Also for me it works; I done: 

cd ~/.swt/lib/linux/x86_64
ln -s /usr/lib/jni/libswt-atk-gtk-3740.so
ln -s /usr/lib/jni/libswt-gtk-3740.so
ln-s /usr/lib/jni/libswt-pi-gtk-3740.so

and so, I created 3 symlink in the folder ~/.swt/lib/linux/x86_64

Now Eclipse works fine!

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echo "-Djava.library.path=/usr/lib/jni" >> /etc/eclipse.ini

fixed it for me.

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  • Love this solution, fixed it for all users.
    – Adam Ness
    Aug 11, 2012 at 19:08
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Thanks for the great instructions. I added symlinks like this instead, to make sure it picks up all 3740:

cd ~/.swt/lib/linux/x86_64

for i in /usr/lib/jni/*3740*.so ; do ln -s $i; done
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I made symlinks to the missing libs and everything worked fine. It ended up looking like this...

    libswt-atk-gtk-3740.so -> /usr/lib/jni/libswt-atk-gtk-3740.so
    libswt-gtk-3740.so -> /usr/lib/jni/libswt-gtk-3740.so
    libswt-pi-gtk-3740.so -> /usr/lib/jni/libswt-pi-gtk-3740.so

Seems to work.

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