I’m upgraded a rails application from jruby 1.4.0 to jruby-1-5-1.
I’m using scaffolding to insert records in a database.
On myapp/product/new here is the error:
undefined method `application_backtrace’ for
#Java::OrgJcodingsException::EncodingException:0x3c8f03a5
Is it a jruby-1.5.1 problem?
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http://xircles.codehaus.org/manage_emailOn 16 June 2010 09:17, Mauro [email protected] wrote:
I’m upgraded a rails application from jruby 1.4.0 to jruby-1-5-1.
I’m using scaffolding to insert records in a database.
On myapp/product/new here is the error:undefined method `application_backtrace’ for
#Java::OrgJcodingsException::EncodingException:0x3c8f03a5Is it a jruby-1.5.1 problem?
If I go to jruby-1.4.1 I have no problems so I think it’s a problem of
1.5 version.
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none knows about the problem?
On 16 June 2010 09:47, Mauro [email protected] wrote:
If I go to jruby-1.4.1 I have no problems so I think it’s a problem of
1.5 version.
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my two cents:
there are two problems:
first is some kind of encoding problems - which might be new to
jruby1.5 and the missing application_backtrace method.
I first would try to monkey patch
Java::OrgJcodingsException::EncodingException
to have the missing method and then look at the encoding problem.
regards Kristian
On Wed, Jun 16, 2010 at 9:38 PM, Mauro [email protected] wrote:
undefined method `application_backtrace’ for
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On 16 June 2010 18:31, kristian [email protected] wrote:
regards Kristian
Sorry for my ignorance but I don’t understand what have I do.
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somewhere before you get the error you need to add
class Java::OrgJcodingsException::EncodingException
def application_backtrace
print_stack_trace
end
end
this should print out the stacktrace into the console.
does this help ?
regards Kristian
On Thu, Jun 17, 2010 at 1:43 PM, Mauro [email protected] wrote:
to have the missing method and then look at the encoding problem.
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yes, try it. Kristian
On Thu, Jun 17, 2010 at 2:21 PM, Mauro [email protected] wrote:
  @suppliers = Supplier.all.paginate :per_page => 8, :page => params[:page]
  @supplier = Supplier.find(params[:id])
  @supplier = Supplier.new
before the class SupplierController definition?
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I’ve tried and now the error is undefined method
`framework_backtrace’, then I’ve changed ‘application_backtrace’ with
‘framework_backtrace’ in the code and the new error is
‘clean_backtrace’, I think there is a serious problem in jruby-1.5.1.
On 17 June 2010 11:04, kristian [email protected] wrote:
end
 # GET /suppliers.xml
 # GET /suppliers/1
 # GET /suppliers/new
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sorry, I should have look into rails before.
so rails extends the standard exception class of ruby but it does not
for java exceptions that is why you see these missing methods error.
so basically there are four new methods:
so gave a bit too early. just implement these for methods.
whether this is jruby bug I do not know, maybe some of the jruby
developer can comment on this.
but did you see any java exception stacktrace in the console ??
Kristian
On Thu, Jun 17, 2010 at 2:52 PM, Mauro [email protected] wrote:
On Thu, Jun 17, 2010 at 2:21 PM, Mauro [email protected] wrote:
  @suppliers = Supplier.all.paginate :per_page => 8, :page => params[:page]
  @supplier = Supplier.find(params[:id])
  @supplier = Supplier.new
before the class SupplierController definition?      =
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This is what I see on the console:
ActionView::TemplateError (undefined method `clean_backtrace’ for
#Java::OrgJcodingsException::EncodingException:0xa756b37) in
/home/user/jruby-1.5.1/lib/ruby/gems/1.8/gems/actionpack-2.3.8/lib/action_controller/templates/rescues/_trace.erb:
I want to say that with jruby-1.4.1 there are no problems.
On 17 June 2010 11:59, kristian [email protected] wrote:
- framework_backtrace
On Thu, Jun 17, 2010 at 2:52 PM, Mauro [email protected] wrote:On Thu, Jun 17, 2010 at 2:21 PM, Mauro [email protected] wrote:
  @suppliers = Supplier.all.paginate :per_page => 8, :page => params[:page]
  @supplier = Supplier.find(params[:id])
  @supplier = Supplier.new
before the class SupplierController definition?      =
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Can you share the code snippet that’s getting module_eval’d? The
parser is choking on something, it would be helpful to know what it is
so we can fix it or at a minimum generate a better error message.
Thanks,
/Nick
On Fri, Jul 9, 2010 at 6:36 AM, Klaus-dieter Gundermann
[email protected] wrote:
C:/Programme/NetBeans
org.jruby.lexer.yacc.RubyYaccLexer.getIdentifier(RubyYaccLexer.java:1062)
org.jruby.evaluator.ASTInterpreter.evalSimple(ASTInterpreter.java:147)
org.jruby.ast.RescueNode.interpret(RescueNode.java:110)
org.jruby.internal.runtime.methods.DefaultMethod.call(DefaultMethod.java:204)
org.jruby.runtime.InterpretedBlock.yieldSpecific(InterpretedBlock.java:259)
org.jruby.ast.CallNoArgBlockNode.interpret(CallNoArgBlockNode.java:64)
org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)
org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)
org.jruby.RubyObject$i_method_multi$RUBYINVOKER$send.call(org/jruby/RubyObject$i_method_multi$RUBYINVOKER$send.gen:65535)
org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)
org.jruby.runtime.InterpretedBlock.evalBlockBody(InterpretedBlock.java:373)
org.jruby.ast.NewlineNode.interpret(NewlineNode.java:104)
org.jruby.ast.BeginNode.interpret(BeginNode.java:83)
org.jruby.ast.RescueNode.executeBody(RescueNode.java:199)
org.jruby.RubyArray.eachCommon(RubyArray.java:1630)
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:148)
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On 17 June 2010 10:43, kristian [email protected] wrote:
does this help ?
The error raise when I call new method of a controller:
class SuppliersController < ApplicationController
def index
#@suppliers = Supplier.all
@suppliers = Supplier.all.paginate :per_page => 8, :page =>
params[:page]
respond_to do |format|
format.html # index.html.erb
format.xml { render :xml => @suppliers }
end
end
def show
@supplier = Supplier.find(params[:id])
respond_to do |format|
format.html # show.html.erb
format.xml { render :xml => @supplier }
end
end
def new
@supplier = Supplier.new
@sectors = Sector.all
@categories = Category.all
respond_to do |format|
format.html # new.html.erb
format.xml { render :xml => @supplier }
end
end
Should I put class Java::OrgJcodingsException::EncodingException
before the class SupplierController definition?
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I just upgraded from Netbeans 6.8 with jRuby 1.4 to
Netbeans 6.9 with jRuby 1.5.0 on Windows
Running a simple unit test who tries to read data from the database
gave me the error to.
Here is the backtrace :
Test-unit version : 2.0.9 loaded
PLATFORM: java
C:/Programme/NetBeans
6.9/ruby/jruby-1.5.0/lib/ruby/gems/1.8/gems/ruby-debug-base-0.10.3.2-java/lib/ruby-debug-base.rb:214
warning: tracing (e.g. set_trace_func) will not capture all events
without --debug flag
Finished in 0,761 seconds.
2 tests, 0 failures, 1 errors
Hi Nick,
the unit test is as easy as:
require ‘test_helper’
class ArtikelgruppeTest < ActiveSupport::TestCase
test “Lese Artikelgruppe 130” do
ar = ArtikelGruppe.find “130”
assert_equal “130”, ar.ArtGruppe
end
end
with my model:
class ArtikelGruppe < ActiveRecord::Base
set_table_name “Artikelgruppen”
set_primary_key “ArtGruppe”
has_many :Artikelstamm, :foreign_key => ‘Gruppe’
belongs_to :ArtikelTyp, :foreign_key => ‘ArtTyp’
end
Environment:
C:\Projekte\LagerInfo>jruby -v
jruby 1.5.0 (ruby 1.8.7 patchlevel 249) (2010-06-10 6586) (Java
HotSpot™ Client VM 1.6.0_18) [x86-java]
C:\Projekte\LagerInfo>gem list
*** LOCAL GEMS ***
actionmailer (2.3.8)
actionpack (2.3.8)
activerecord (2.3.8)
activerecord-jdbc-adapter (0.9.7 java)
activerecord-jdbcmysql-adapter (0.9.7 java)
activerecord-jdbcpostgresql-adapter (0.9.7 java)
activeresource (2.3.8)
activesupport (2.3.8)
columnize (0.3.1)
composite_primary_keys (2.3.5.1)
jdbc-mysql (5.0.4)
jdbc-postgres (8.4.701 java)
jruby-openssl (0.7)
rack (1.1.0)
rails (2.3.8)
rake (0.8.7)
rcov (0.9.8 java)
rspec (1.3.0)
ruby-debug-base (0.10.3.2 java)
ruby-debug-ide (0.4.6)
rubygems-update (1.3.7)
sources (0.0.1)
test-unit (2.0.9)
will_paginate (2.3.14)
Nick S. wrote:
Can you share the code snippet that’s getting module_eval’d? The
parser is choking on something, it would be helpful to know what it is
so we can fix it or at a minimum generate a better error message.Thanks,
/Nick
hi Klaus-Dieter,
looking at the error and your testcase, I would say you have “umlaute”
(or some other non ascii characters) in the database which are the one
which produce the problem. can that be ?
regards Kristian
On Mon, Jul 12, 2010 at 3:56 PM, Klaus-dieter Gundermann
[email protected] wrote:
  ar = ArtikelGruppe.find “130”
 set_primary_key “ArtGruppe”activeresource (2.3.8)
rspec (1.3.0)parser is choking on something, it would be helpful to know what it is
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Finally, one I can answer.
The marker for utf is incorrect. You should have:
Not just “coding” but “encoding”. I have this in some Rake tasks that
load a MySQL database with Kanji/Kana characters, so /ein paar umlaute
/should be nothing compared to that.
It’s hard to find documentation on this. Here’s a link:
For me, I didn’t have Kanji literals, but was processing them using
Nokogiri into MySQL, and it seemed to be a requirement that I have this
encoding to tell the runtime system to set the prevailing encoding to
UTF-8. This is a Ruby 1.9 feature.
Steve
On 7/12/2010 8:20 AM, kristian wrote:
a MySQL database with Kanji/Kana characters, so ein paar umlaute should be
regards Kristian
require ‘test_helper’Environment:
actionpack (2.3.8)
jruby-openssl (0.7)
will_paginate (2.3.14)
/Nick
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OK, now I learned something new.
does this comment
defines the encoding of the file (I wonder a few times already how to
do this) as well the coding the ruby code is using ?!?
has it a similar effect as setting $KCODE = ‘u’ or $KCODE = ‘UTF-8’ in
my code ?
thanx, Kristian
On Mon, Jul 12, 2010 at 8:05 PM, Steve B. [email protected]
wrote:
On 7/12/2010 6:59 AM, kristian wrote:
[email protected] wrote:class ArtikelGruppe < ActiveRecord::Base
jruby 1.5.0 (ruby 1.8.7 patchlevel 249) (2010-06-10 6586) (Java
activerecord-jdbcmysql-adapter (0.9.7 java)
rake (0.8.7)
Nick S. wrote:
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Vadakkethu House,
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tel: +91 468 2319577
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      q(--)p
      ') (`
      //Â
     _(<  / )
   (__|/__)
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kristian wrote:
hi Klaus-Dieter,
looking at the error and your testcase, I would say you have “umlaute”
(or some other non ascii characters) in the database which are the one
which produce the problem. can that be ?regards Kristian
Hi Kristian,
you are absolutely correct: There is data with umlaute in the database.
But why will the test run with JRuby 1.4 and fails with JRuby 1.5 ?
and reading the error message:
org.jcodings.specific.BaseUTF8Encoding.codeToMbcLength(BaseUTF8Encoding.java:80)
I thought Ruby 1.8.7 has no notion of “Encoding” its all US_ASCII ?
Regards
Klaus
hi Klaus-Dieter,
On Tue, Jul 13, 2010 at 1:50 PM, Klaus-dieter Gundermann
[email protected] wrote:
you are absolutely correct: There is data with umlaute in the database.
But why will the test run with JRuby 1.4 and fails with JRuby 1.5 ?
I do not really know only that there must be some changes concerning
the jcoding library.
and reading the error message:
 org.jcodings.specific.BaseUTF8Encoding.codeToMbcLength(BaseUTF8Encoding.java:80)
well the exception says you are using “UTF8” somewhere somehow.
with ruby 1.8.x I would try to use utf-8 through out. add
$KCode = “UTF-8”
in your code. make sure that your database uses utf-8 and that the
database connection uses utf-8 as well - I think there is an encoding
option with the AR connection config.
I thought Ruby 1.8.7 has no notion of “Encoding” its all US_ASCII ?
yes and no I guess. if your umlaut comes in it is not ascii I suppose
it is iso-8859-1/iso-8859-15 or utf-8. now ruby needs to know what to
do with these bytes when printing it to the screen or deciding the
size of string. that is done via the KCode setting.
another problem with ruby1.8.x is the file encoding which seems to be
no problem with you since there are just ascii characters.
regards Kristian
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