eclipse from software center does not start, missing so file

!SESSION 2012-06-02 11:31:23.462 -----------------------------------------------
eclipse.buildId=I20110613-1736
java.version=1.6.0_32
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Command-line arguments: -os linux -ws gtk -arch x86_64

!ENTRY org.eclipse.osgi 4 0 2012-06-02 11:31:25.999
!MESSAGE Application error
!STACK 1
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/paulo/.swt/lib/linux/x86_64/libswt-gtk-3740.so
 Can't load library: /home/paulo/.swt/lib/linux/x86_64/libswt-gtk.so

 at org.eclipse.swt.internal.Library.loadLibrary(Library.java:285)
 at org.eclipse.swt.internal.Library.loadLibrary(Library.java:194)
 at org.eclipse.swt.internal.C.<clinit>(C.java:21)
 at org.eclipse.swt.internal.Converter.wcsToMbcs(Converter.java:63)
 at org.eclipse.swt.internal.Converter.wcsToMbcs(Converter.java:54)
 at org.eclipse.swt.widgets.Display.<clinit>(Display.java:132)
 at org.eclipse.ui.internal.Workbench.createDisplay(Workbench.java:695)
 at org.eclipse.ui.PlatformUI.createDisplay(PlatformUI.java:161)
 at org.eclipse.ui.internal.ide.application.IDEApplication.createDisplay(IDEApplication.java:153)
 at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:95)
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:597)
 at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
 at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
 at org.eclipse.equinox.launcher.Main.main(Main.java:1386)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: eclipse-platform 3.7.2-1
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
CheckboxSubmission: 92c64f4126aa1f02bd3a8fbf55bd151f
CheckboxSystem: b1865df84255b8716d3bcc269ff410d1
Date: Sat Jun 2 11:33:54 2012
ExecutablePath: /usr/lib/eclipse/eclipse
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: eclipse
UpgradeStatus: No upgrade log present (probably fresh install)