Eclipse cannot load SWT libraries

Question

Every time I try to open Eclipse in Ubuntu 12 04 I get an Unsatisfied Link Error and it will not open  I have recently installed the java JDK and Android SDK  could this be the problem  I followed this tutorial   Here is the log info    SESSION 2012-04-15 21 05 46 902 ----------------------------------------------- eclipse buildId I20110613-1736 java version 1 7 0 java vendor Oracle Corporation BootLoader constants  OS linux  ARCH x86 64  WS gtk  NL en GB Command-line arguments   -os linux -ws gtk -arch x86 64   ENTRY org eclipse osgi 4 0 2012-04-15 21 05 47 885  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 tom  swt lib linux x86 64 libswt-gtk-3740 so Can t load library   home tom  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  lt clinit gt  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  lt clinit gt  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 57  at sun reflect DelegatingMethodAccessorImpl invoke DelegatingMethodAccessorImpl java 43  at java lang reflect Method invoke Method java 601  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    I have tried uninstalling and reinstalling  and removing the    eclipse directory but it still doesn t work

User · Answer

If you start eclipse using oracle java  then eclipse might fail in finding native libraries like SWT or SVN libraries  The SWT-JNI libraries are located in  usr lib jni  and the SVN-JNI libraries are located in  usr lib x86 64-linux-gnu jni    Instead of starting eclipse with the command  eclipse   you can use the command  env LD LIBRARY PATH  usr lib jni   usr lib x86 64-linux-gnu jni   LD LIBRARY PATH eclipse   to pass the environment variable LD LIBRARY PATH to eclipse  Eclipse will find the native libraries and will run properly

User · Answer

A possibly more generic method is to    install non-headless version of the openjdk   install  run and close eclipse  uninstall the openjdk install oracle s JDK

User · Answer

On redhat7    yum install gtk2 libXtst xorg-x11-fonts-Type1   did the job  because of a swt dependency   found here

User · Answer

I agree with Scott  what he listed worked  However just running it from any directory did not work  I had to cd to the  home    swt lib linux x86 64  0 files  directory first and then run the link command    For 32 bit   ln -s  usr lib jni libswt-     swt lib linux x86    And on Ubuntu 12 04 64 bit   ln -s  usr lib jni libswt-     swt lib linux x86 64

User · Answer

I m on debian linux amd64   I installed oracle s Java 11 from oracle s java download page   Installed eclipse from eclipse org   Running eclipse produced the  quot cannot load swt quot  error   I followed ATorras s advice and did apt install libswt-gtk-4-jni  which also installed a ton of other things  and after that eclipse started   Although it started I did get the following errors warnings  org eclipse m2e logback configuration  The org eclipse m2e logback configuration bundle was activated before the state location was initialized   Will retry after the state location is initialized  SWT SessionManagerDBus  Failed to connect to org gnome SessionManager  Failed to execute child process    dbus-launch     No such file or directory  SWT SessionManagerDBus  Failed to connect to org xfce SessionManager  Failed to execute child process    dbus-launch     No such file or directory  org eclipse m2e logback configuration  Logback config file   home rusty eclipse-workspace  metadata  plugins org eclipse m2e logback configuration logback 1 16 0 20200318-1040 xml org eclipse m2e logback configuration  Initializing logback SWT Webkit  Warning  You are using an old version of webkitgtk   pre 2 4  BrowserFunction functionality will not be avaliable SWT WebKit  error initializing DBus server  dBusServer    0 SWT CHROMIUM style was used but chromium swt gtk  or CEF binaries  fragment jar is missing   I think I can ignore most if not all of that   I m doing an ssh into the linux box using mobaXterm on my windows pc  so it s displaying its window on my pc   My linux box is headless

User · Answer

SOLVED   Because I had installed the Oracle Java 7 it had changed the default Java to Oracle Java 7  however it needed to be the Open JDK   To fix  open up terminal and type  sudo update-alternatives --config java   This brings up a list of the different types of Java  Simply select the Open JDK

User · Answer

Can t load library   home tom  swt lib linux x86 64 libswt-gtk-3740 so Can t load library   home tom  swt lib linux x86 64 libswt-gtk so   looks like the libraries should be at   swt lib linux x86 64  if there are not there you can  try  this command   locate  libswt-gtk so  this should find the libraries copy the entire directory to   home tom  swt lib linux x86 64

User · Answer

In my case  I was missing the  usr lib jni directory entirely  Fixed by  sudo apt-get install libswt-gtk-3-jni libswt-gtk-3-java   No need to symlink afterwards  Eclipse started normally

User · Answer

I came across this error when tried to start 32-bit build of Eclipse under 64-bit linux  The problem was solved after installing ia32-libs package

User · Answer

Please make sure that your home partition is mounted with executable permissions  That is the default  but if you happen to mount it without exec option  you will get this error

User · Answer

Simply specify the path to the libraries   echo  -Djava library path  usr lib jni    gt  gt   etc eclipse ini

User · Answer

on my Ubuntu 12 04 32 bit  I edit the command to    ln -s  usr lib jni libswt-     swt lib linux x86    And on Ubuntu 12 04 64 bit try    ln -s  usr lib jni libswt-     swt lib linux x86 64

User · Answer

I installed the JDK 32 bit because of that I am getting the errors  After installing JDK 64 bit http   www oracle com technetwork java javase downloads jdk8-downloads-2133151 html jdk-8u131-linux-x64 tar gz please download the 64 version  and download  64 bit  eclipse-inst-linux64 tar gz

User · Answer

For Windows Subsystem for Linux  WSL  you ll need  apt install libswt-gtk-4-jni   If you don t have an OpenJDK 8 you ll also need  apt install openjdk-8-jdk

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