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An internal error occurred during: "Start Ruble bundle manager"

I've install the Aptana3 Eclipse plugin, I am using eclipse Version: Juno Service Release 1 Build id: 20121004-1855.

Each time I launch eclipse I see an error dialog that says:

An internal error occurred during: "Start Ruble bundle manager". java.lang.NullPointerException

How can I fix this error?


  1. Try checking the available software sites in Eclipse --> preferences. Use the search field in preferences to get there quickly. I noticed there was an entry for:

    The above address isn't the location of the package. Once I unchecked that box and selected the one for:


    it started without the error. Not sure if this is the full solution, but it seems to work.

  2. 参考答案2
  3. I was having the same problem after a fresh install of Eclipse and Aptana.

    What fixed it for me was very close to what Jason mentioned in his Answer. I checked the available software sites in Eclipse --> Preferences --> Install/Update --> Available Software Sites.

    In this window there was an option for Aptana that was checked. I had given it a name of "Aptana" previously and the location was "".

    There was a second location listed for Aptana at "" but this option was not checked nor did it have a name. I gave it the name "Aptana Update" and I put a check in the box. I then restarted Eclipse and the error went away.

    Let me note that I am using:
    Eclipse Standard/SDK
    Version: Kepler Service Release 1
    Build id: 20130919-0819
    Aptana Studio 3

  4. 参考答案3
  5. Look at your .log to find which bundle has an issue.

    Then uncheck, remove or change wrong url in the install/update available software sites : Eclipse -> Preferences -> Install/update -> Available Sofware Sites (to check this url, just copy/paste and look in browser..)

    Aptana update site (at current time...) :

  6. 参考答案4
  7. 参考答案5
  8. I solved this by using rvm to install zlib. I looked through my log file (Eclipse: Help > Aptana > View Log File) and saw a zlib error message right before the NullPointerException. If zlib isn't in your log, this probably won't fix your problem ;-)

    My system (Ubuntu) already had zlib1g and zlib1g-dev installed.

    rvm pkg install zlib
    rvm reinstall 1.9.3
  9. 参考答案6
  10. 参考答案7
  11. 参考答案8
  12. I tried the solution of Jonathan to no avail, although one of the adresses for Aptana was indeed unchecked and unmarked.

    What worked for me was simply updating the plugins though Help --> Check for Updates.