ServletContext.getRealPath returns null

Another weird behavior from weblogic when webapp is deployed as WAR. ServletContext.getRealPath() returns null when deployed as WAR but it works ok when deployed as exploded. There are two ways we can fix this issue when you still want to deploy as WAR but would like to get over with this issue:
1. Go to server admin console->Domain-> Web applications. Click the checkbox of Archived Real Path Enabled. This should make an entry into domain config.xml as below.
       <web-app-container>
          <show-archived-real-path-enabled>true</show-archived-real-path-enabled>
       </web-app-container>

2. Second option is at webapp level by updating weblogic.xml as below:
      <container-descriptor>
         <show-archived-real-path-enabled>true</show-archived-real-path-enabled>
       </container-descriptor>
The value of <show-archived-real-path-enabled> set in the web app has precedence over the value set at the domain level. The default value of this property is false.
at 12/17/2009 12:51:00 PM
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60 comments:

  1. AnonymousMarch 23, 2010 at 12:24 PM

    very useful. it worked well

    ReplyDelete
  2. AnonymousApril 22, 2010 at 9:33 PM

    Very much useful tip . Thanks a ton !!!!

    ReplyDelete
  3. AnonymousMay 25, 2010 at 3:28 PM

    I am working on developing a servlet in JDeveloper 11g which needs to "know" the physical path to the Web Content folder. I kept getting "null" when calling ServletContext.getRealPath() and was totally baffled. Following your second option was the "best fit" solution for me and worked like a charm. Thanks so much for posting this!

    ReplyDelete
  4. AnonymousJuly 30, 2010 at 6:43 AM

    You saved my life!!! :)

    ReplyDelete
  5. AnonymousAugust 2, 2010 at 6:13 AM

    Excellent Help from this blog really thankfull from the bottom of my heart SIR................

    ReplyDelete
  6. AnonymousSeptember 1, 2010 at 7:59 PM

    Thanks. I started to feel uneasy, because my stuff was not working on the new weblogic.

    ReplyDelete
  7. ValeriiSeptember 7, 2010 at 2:52 AM

    Thanks a lot! It took me whole day to find solution.

    ReplyDelete
  8. AnonymousJanuary 5, 2011 at 7:33 AM

    thank you very much

    ReplyDelete
  9. AnonymousMarch 2, 2011 at 5:57 PM

    Awesome, thanks a lot. Worked for me.

    ReplyDelete
  10. AnonymousApril 14, 2011 at 3:54 AM

    Used the second option and worked great!! Thank you!!

    ReplyDelete
  11. AnonymousJune 2, 2011 at 2:56 PM

    This is my first time to post here. Thank you so much for your help. The first option worked for me very well but I want to use the second one. May you please tell me where I can find the weblogic.xml? I searched for it in my app but couldn't find it.

    Thanks

    ReplyDelete
  12. AnanthJune 14, 2011 at 5:53 PM

    weblogic.xml could be found in yourWebApp/WEB_INF directory.

    ReplyDelete
  13. rahmat.buyungJune 22, 2011 at 4:04 AM

    Thank you so much..

    ReplyDelete
  14. AnonymousSeptember 8, 2011 at 3:11 PM

    Thank you very much.

    ReplyDelete
  15. AnonymousSeptember 9, 2011 at 8:52 AM

    ditto

    ReplyDelete
  16. TomeCodeSeptember 26, 2011 at 7:29 AM

    great! thanks

    ReplyDelete
  17. AnonymousNovember 7, 2011 at 6:10 AM

    Great man thanks for this :)

    ReplyDelete
  18. AnonymousNovember 29, 2011 at 5:20 AM

    Thank you for the great help

    ReplyDelete
  19. AnonymousJanuary 11, 2012 at 11:09 PM

    Great ..!I used the second option and it works very well..
    Thank You so much for posting this!

    ReplyDelete
  20. AnonymousJanuary 23, 2012 at 3:59 PM

    its only for weblogic 10.x or higer in the version 9.2 not work

    ReplyDelete
  21. AnonymousFebruary 9, 2012 at 1:29 PM

    Thanks a lot It worked for me.

    ReplyDelete
  22. AnonymousFebruary 10, 2012 at 1:26 AM

    it's really helpful for us thanks a lot

    ReplyDelete
  23. AnonymousFebruary 27, 2012 at 6:23 PM

    Hey..Nice tip...But still the the classes under the war/waeb-inf/classes is empty after installing the app..Calling realPath(/WEB-INF/classes/) gives me the path properly, but under the classes nothing is there..Any idea?

    ReplyDelete
  24. ReNApril 4, 2012 at 9:51 AM

    You are the man dude!! Second option works nice! Thnx very much!

    ReplyDelete
  25. AnonymousApril 13, 2012 at 7:02 AM

    Thanks ,really it's help me a lot... :)

    ReplyDelete
  26. AnonymousApril 17, 2012 at 2:12 PM

    Looks like this will be useful. Well my problem is similar but for tomcat 7. Will anyone know, how to get rid of getRealpath("/") returning null.

    ReplyDelete
    Replies
    1. AmyApril 24, 2013 at 5:46 AM

      you can see your class in a jar file named _wl_cls_gen.jar. this is created by server. you can see this jar in jar folder in your web-inf.

      Delete
  27. AnonymousMay 11, 2012 at 11:45 AM

    Thanks a lot. It worked for me as well with the second option

    ReplyDelete
  28. AnonymousMay 17, 2012 at 1:56 PM

    Hi i tried making the changes in weblogic.xml but true does not show up at all. :( Any suggestions ??

    ReplyDelete
    Replies
    1. AnonymousMay 17, 2012 at 1:58 PM

      *show-archived-real-path doesnt show up i weblgic.xml

      Delete
  29. UnknownJuly 18, 2012 at 9:52 AM

    This comment has been removed by the author.

    ReplyDelete
  30. PratimaSeptember 22, 2012 at 12:13 PM

    Awesome!!!! it worked, however my js were not getting loaded and I had to add mime mapping in Web.xml for my js. Well..!! allz well that ends well...
    thanks Ananth..

    ReplyDelete
  31. MaheshSeptember 26, 2012 at 5:48 PM

    I am not sure why is it not working for me, can some please help me, when i updated option1 in config.xml my weblogic console is shutting down and to try option2 i am not finding weblogic.xml in application directory, Please please some one help me

    ReplyDelete
  32. AnonymousDecember 4, 2012 at 5:45 AM

    thanku so much!

    ReplyDelete
  33. UnknownFebruary 13, 2013 at 1:10 PM

    This comment has been removed by the author.

    ReplyDelete
  34. AnonymousFebruary 13, 2013 at 1:11 PM

    Thanks Ananth, the second solution did not work , but the first one did , many thanks ...

    ReplyDelete
  35. ChithuMay 29, 2013 at 6:02 AM

    Hi, I couldnt find an option "archived real path" in weblogic 9.2
    Any help pls

    ReplyDelete
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  38. AnonymousJune 26, 2013 at 7:49 AM

    This comment has been removed by the author.

    ReplyDelete
  39. RifziAugust 17, 2013 at 5:01 AM

    brother can give me solution in apache tomcat 7.0

    ReplyDelete
  40. UnknownSeptember 5, 2013 at 7:42 AM

    Thank you so much!!! working fine

    ReplyDelete
  41. AnonymousSeptember 30, 2013 at 11:14 PM

    Rellay Nice Post.It also worked for me after updating Weblogic.xml

    ReplyDelete
  42. emreturkisJanuary 14, 2014 at 8:50 AM

    This comment has been removed by the author.

    ReplyDelete
  43. emreturkisJanuary 14, 2014 at 8:51 AM

    thanks man, this saved us from a lot of hustle.

    ReplyDelete
  44. UnknownApril 28, 2014 at 6:42 AM

    I have got a quite silimilar but different issu.. please help me out...

    On opening the browser the reports shows as expected but once we logout (without closing the browser) the above discussed error shows up

    ReplyDelete
  45. UnknownApril 14, 2015 at 3:27 PM

    The 2nd option worked like a charm. Thank you!

    ReplyDelete
  46. ДенисMay 15, 2015 at 7:50 AM

    thanks.
    By the way, if you need to get a FileInputStream - there is a way:
    getResourceAsStream()
    for example from servlet:
    request.getSession().getServletContext().getResourceAsStream("images/some_image.png")

    ReplyDelete
  47. muthuSeptember 14, 2015 at 3:28 PM

    thanks, it helper

    ReplyDelete
  48. UnknownJanuary 20, 2016 at 12:19 PM

    thanks!. It was useful!!

    ReplyDelete
  49. chinnaOctober 18, 2016 at 4:54 AM

    Thanks. Really useful

    ReplyDelete
  50. chinnaOctober 18, 2016 at 4:55 AM

    Thanks. Really useful

    ReplyDelete
  51. Nagendra ReddyDecember 10, 2016 at 1:44 AM

    Thank you for disclosing Another weird behavior from weblogic when webapp is deployed as WAR. ServletContext.getRealPath() returns null when deployed as WAR but it works ok when deployed as exploded and solutions.
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    Thank you!

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  54. AnonymousOctober 3, 2019 at 1:31 AM

    Thank you. Its work.

    ReplyDelete
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