Eclipse hangs on loading workbench

Question

My eclipse stops loading workbench  I tried already starting with   eclipse --clean When starting from console it throws following exception  java lang NullPointerException     at org eclipse core internal runtime Log isLoggable Log java 101      at org eclipse equinox log internal ExtendedLogReaderServiceFactory safeIsLoggable ExtendedLogReaderServiceFactory java 57      at org eclipse equinox log internal ExtendedLogReaderServiceFactory logPrivileged ExtendedLogReaderServiceFactory java 158      at org eclipse equinox log internal ExtendedLogReaderServiceFactory log ExtendedLogReaderServiceFactory java 146      at org eclipse equinox log internal ExtendedLogServiceFactory log ExtendedLogServiceFactory java 65      at org eclipse equinox log internal ExtendedLogServiceImpl log ExtendedLogServiceImpl java 87      at org eclipse equinox log internal LoggerImpl log LoggerImpl java 54      at org eclipse core internal runtime Log log Log java 60      at org tigris subversion clientadapter javahl Activator isAvailable Activator java 92      at org tigris subversion clientadapter Activator getAnyClientAdapter Activator java 81      at org tigris subversion subclipse core SVNClientManager getAdapter SVNClientManager java 145      at org tigris subversion subclipse core SVNClientManager getSVNClient SVNClientManager java 92      at org tigris subversion subclipse core SVNProviderPlugin getSVNClient SVNProviderPlugin java 425      at org tigris subversion subclipse core status NonRecursiveStatusUpdateStrategy statusesToUpdate NonRecursiveStatusUpdateStrategy java 53      at org tigris subversion subclipse core status StatusCacheManager refreshStatus StatusCacheManager java 273      at org tigris subversion subclipse core resourcesListeners FileModificationManager refreshStatus FileModificationManager java 179      at org tigris subversion subclipse core resourcesListeners FileModificationManager resourceChanged FileModificationManager java 128      at org eclipse core internal events NotificationManager 1 run NotificationManager java 291      at org eclipse core runtime SafeRunner run SafeRunner java 42      at org eclipse core internal events NotificationManager notify NotificationManager java 285      at org eclipse core internal events NotificationManager broadcastChanges NotificationManager java 149      at org eclipse core internal resources Workspace broadcastPostChange Workspace java 395      at org eclipse core internal resources Workspace endOperation Workspace java 1530      at org eclipse core internal resources InternalWorkspaceJob run InternalWorkspaceJob java 45      at org eclipse core internal jobs Worker run Worker java 54   It stops when loading com android ide eclipse adt Whats wrong with my workbench

User · Answer

eclipse -clean -refresh   as mentioned in comment by sulai Dec 20  12 at 12 46  that worked for me     However  on the Mac OS X  I had to figure out how to get to   eclipse   Here s the solution   cd Eclipse app Contents MacOS    Thank you Andrew s comment for this post  https   stackoverflow com a 1783448 2162226

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The trouble with deleting files in  metadata directory is that you would have to start your workbench from scratch  So  it might take awhile to restore all your projects  especially if you have a number of them   Restoring  metadata from a backup just by replacing the existing files with the old backed up ones worked for me

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None of the solution helped me for my case   I found the working solution though  I read that this happens when ADT plugin is not updated properly in Eclipse   Solution From Eclipse      1  Go to Help Tap 2  Click Check for Updates   Update everything and whoa  No longer freezing at starting Eclipse

User · Answer

In your workspace you will find hidden folder name  metadata in which you will find another hidden folder   mylyn  delete it and empty your trash go to task manager stop the process of Eclipse and start again Eclipse this time it will work   Enjoy

User · Answer

The procedure shown at http   off-topic biz en eclipse-hangs-at-startup-showing-only-the-splash-screen  worked for me    cd  metadata  plugins mv org eclipse core resources org eclipse core resources bak Start eclipse   It should show an error message or an empty workspace because no project is found   Close all open editors tabs  Exit eclipse  rm -rf org eclipse core resources  Delete the newly created directory   mv org eclipse core resources bak  org eclipse core resources  Restore the original directory   Start eclipse and start working   -    In other answers   eclipse -clean -clearPersistedState   is mentioned - which seems to have the same or even better effect   Here is a script for MacOS  using Macports  and Linux  tested on Ubuntu with Eclipse Equinox  to do the start with an an optional kill of the running eclipse  You might want to adapt the script to your needs  If you add new platforms please edit the script right in this answer      bin bash   WF 2014-03-14     ceclipse      start Eclipse cleanly       this script calls eclipse with -clean and -clearPersistedState     if an instance of eclipse is already running the user is asked     if it should be killed first and if answered yes the process will be killed     usage  ceclipse        error       show an error message and exit       params        1  l msg - the message to display error       local l msg   1    echo  error   l msg  1 gt  amp 2   exit 1         autoinstall      check that l prog is available by calling which    if not available install from given package depending on Operating system      params        1  l prog  The program that shall be checked      2  l linuxpackage  The apt-package to install from      3  l macospackage  The MacPorts package to install from   autoinstall       local l prog  1   local l linuxpackage  2   local l macospackage  3   echo  checking that  l prog  is installed on os  os        which  l prog    if      -eq 1     then     case  os in          Mac OS       Darwin           echo  installing  l prog from MacPorts package  l macospackage                  sudo port install  l macospackage                  e g  Ubuntu Fedora Debian Suse       Linux          echo  installing  l prog from apt-package  l linuxpackage                  sudo apt-get install  l linuxpackage                  git bash  Windows        MINGW32 NT-6 1          error   l prog ist not installed                            error  unknown operating system  os       esac   fi      global operating system variable os  uname     first set     eclipse proc - the name of the eclipse process to look for    eclipse app - the name of the eclipse application to start case  os in        Mac OS     Darwin         eclipse proc  Eclipse app         eclipse app   Applications eclipse Eclipse app Contents MacOS eclipse                 e g  Ubuntu Fedora Debian Suse     Linux        eclipse proc   usr lib eclipse  plugins org eclipse equinox launcher 1 2 0 dist jar        eclipse app  which eclipse                 git bash  Windows      MINGW32 NT-6 1        eclipse app  which eclipse        error   os not implemented yet                        error  unknown operating system  os   esac    check that pgrep is installed or install it autoinstall pgrep procps    check whether eclipse process is running   first check that we only find one process echo  looking for  eclipse proc process  pgrep -fl   eclipse proc    can t use -c option on MacOS - use platform independent approach   eclipse count  pgrep -cfl   eclipse proc   eclipse count  pgrep -fl   eclipse proc    wc -l   tr -d         check how many processes matched case  eclipse count in     no eclipse - do nothing   0         exactly one - offer to kill it   1        echo  Eclipse is running - shall i kill and restart it with -clean  y n          read answer        case  answer in          y Y                   error  aborted                esac      echo  killing current  eclipse proc       pkill -f   eclipse proc              multiple - this is bogus      error   eclipse count processes matching  eclipse proc found - please adapt  0    esac  tmp  tmp eclipse   echo  starting eclipse cleanly     using  tmp for nohup out  mkdir -p  tmp cd  tmp    start eclipse with clean options nohup  eclipse app -clean -clearPersistedState amp

User · Answer

The best solution I found is to delete this file  workspace  metadata  plugins org eclipse e4 workbench workbench

User · Answer

I had this problem in Windows 7  this is what fixed it for me   http   letsgetdugg com 2009 04 19 recovering-a-corrupt-eclipse-workspace   cd   Documents workspace  metalog  plugins  rm -rf  org eclipse core resources

User · Answer

I solved deleting   snap from the workspace dir  and all subdirectories       metadata  plugins   snap

User · Answer

deleting workspace  metadata  lock and starting eclipse with -clean -refresh worked for me

User · Answer

Here s a less destructive method that worked for me   I m on Windows machine with a copy of Spring Tool Suite  an extension of Eclipse  which I m running from a random directory  In my command line prompt  I had to navigate to the directory which contained my STS exe and run  STS exe -refresh    After that  I could open my Eclipse the normal way  which was through a pinned taskbar icon

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Following procedure worked on my MacOS  Mavericks  and Eclipse Luna 4 4 1   Delete  snap file under the path  workspaceFolder  metadata plugins org eclipse core resources   If you don t know how to navigate to this folder on Mac  press Cmd   Shift   G  Go to the folder  and type the full address you want to navigate for

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DISCLAIMER  THIS WILL DELETE ALL OF YOUR ECLIPSE WORKSPACE SETTINGS AND YOU WILL HAVE TO RE-IMPORT ALL YOUR PROJECTS  THERE ARE LESS DESTRUCTIVE ANSWERS HERE  Try the following    Delete the  metadata folder in your local workspace  this is what worked for me   It seems that it contains a  LOCK file that if not properly closed  prevents eclipse from starting properly  On Unix based systems you can type following on command line   rm -r workspace  metadata  Delete your  eclipse directory in your home directory  Launch eclipse  If that doesn t work  Open eclipse under another user account  If it loads  you know the problem is with your account  not your eclipse installation

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Eclipse freezing at startup - before loading workspace very good answer on this post  repeating the answer that worked for me  In your workspace directory perform the following steps   cd  metadata  plugins  mv org eclipse core resources org eclipse core resources bak  Start eclipse   It should show an error message or an empty workspace because no project is found    Close all open editors tabs   Exit eclipse   rm -rf org eclipse core resources  Delete the newly created directory    mv org eclipse core resources bak  org eclipse core resources  Restore the original directory    Start eclipse and start working   -   Answer by CharlesB

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After some investigation about file dates I solved the same issue  which is a randomly recurrent trouble on my Kepler  by simply deleting the following file in my local workspace   metadata plugins org eclipse jdt core variablesAndContainers dat  with negligible impact on the workspace restoring   I hope it can help  someone else

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Get a backup copy of the  metadata  plugin org eclipse core resources folder  then delete that folder and launch eclipse  That should launch the workspace  but all projects will be gone as org eclipse core resources keeps a list of all projects   Next  close eclipse properly and copy back org eclipse core resources from back up to  metadata  plugins  folder overriding the existing one   Open eclipse and things should work fine with all your projects back to normal

User · Answer

I didn t try all these  I restarted by laptop machine   And everything was back to normal after that

User · Answer

There are many possible reasons for this sort of behaviour  In addition to running from a shell prompt as you have  it s worth looking for clues in your workspace log file  which is the file  metadata  log under your workspace directory   the NPE that s coming up for you looks like it could have to do with the logging code itself  but the log may still help determine what was going on before the error   Web searches for messages you find often yield suggestions for deleting various directories or files and starting again  I ve sometimes been able to just remove parts of  metadata  plugins org eclipse ui workbench workbench xml  though  for less destructive solutions

User · Answer

You have to delete org eclipse e4 workbench folder inside metadata plugins  which you can find in your workspace folder  Deleting this folder solved the problem for me  hope it helps someone else

User · Answer

Looks like you are possibly having this issue   https   bugs eclipse org bugs show bug cgi id 357199

User · Answer

It might also help to try to load and save the workspace with a newer eclipse version   I am using eclipse 3 8  When starting up the splash screen would hang  There were no error messages in the log  What helped was to open the workspace with eclipse 4 2 2  After opening and closing the workspace I was able to load it again with 3 8

User · Answer

no need to delete the entire metadata  just try deleting the  snap file under org eclipse core resources in your workspace folder ex       workspaceFolder metadata plugins org eclipse core resources

User · Answer

Pretty old question but the most simple answer isn t yet posted  Here it is   1  In  workspace   metadata  plugins org eclipse e4 workbench delete workbench xmi file   In most cases it s enough - try to load Eclipse  Still you have to re-configure your specific perspective settings  if any  2  Now getting problems with building projects that worked perfectly  As of my experience following steps help  - uncheck Projects- Build automatically - switch to Java perspective  if not yet   Window -  Open perspective -  Java - locate Problems view or open it  Window -  Show view -  Problems - right-click on problem groups and select Delete  Be sure to delete Lint errors - clean the workspace  Project -  Clean    with option Clean all projects - check Projects- Build automatically  - if problems persist for some projects  right-click project  select Properties -  Android and make sure appropriate Project Build Target is chosen 3  It was always sufficient for me  But if you still get problems - try  george post recommendations

[eclipse] Eclipse hangs on loading workbench

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