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Editorial Team
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Asked: 2026-05-18T08:16:59+00:00

I get this error on my application when i try to run in Tomcat,

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I get this error on my application when i try to run in “Tomcat”, in WEBrick works fine:

SEVERE: Application Error
org.jruby.rack.RackInitializationException: wrong # of arguments(0 for 1)
from /home/gpereira/apache/apache-tomcat-6.0.18/webapps/vtsbackoffice/WEB-INF/app/controllers/application_controller.rb:5

and in line 5 i have the import :

5  import javax.xml.bind.JAXBContext
6  import javax.xml.bind.Unmarshaller

I am using Rails version 3, jruby 1.5.1, JWSD2.0 installed. O.S. : Ubuntu

I need this because i am connecting: REST API and i have XSD files.

What i was capable to find:

If i try to put other class for example “javaxii.kkk”, it gives me not found. When i put that import and remove jar files from my app lib it still get me the error!!!! So he find something that i don’t want…

I try to install JWSDP2.0 in TOMCAT, but it seems that don’t work either. same error…

so i am desperate to find something that first loads me jar and after this add tomcat class…

Thank you for your help.

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1 Answer

  1. Editorial Team

    The problem was that in my config/environment.rb

    I was writing 

    load RAILS_ROOT + "/lib/mypack.jar"

    and i change to this :

    load "#{RAILS_ROOT}/lib/mypack.jar"

    and now it works in tomcat/jboss/weblogic/webrick…

    I don’t get why he give me errors on imports instead on environment.rb, but what is important is that now it works just fine.

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