JRuby

locking probleming when autoloading constant in haml

Details

  • Type: Bug Bug
  • Status: Resolved Resolved
  • Priority: Major Major
  • Resolution: Fixed
  • Affects Version/s: JRuby 1.6.7
  • Fix Version/s: JRuby 1.7.0.pre1
  • Component/s: None
  • Labels:
  • Environment:
    running 1.6.7.2 on ubuntu linux
  • Number of attachments :
    0

Description

When running a rails app in tomcat we see threads waiting on the synchronize in RubyModule::Autoload#getConstant. Here is a stacktrace of the thread where we are seeing the problem:

https://gist.github.com/2884586

Here is the defined? call in haml that is triggering the constant lookup:

https://github.com/haml/haml/blob/master/lib/haml/util.rb#L82

Haml has earlier issues interacting with autoload:

https://github.com/haml/haml/commit/7ddd9f3581d88f784850ab0bb036bc69409ab07a

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Alex Tambellini added a comment -

This was fixed in 1.7 by this commit:

https://github.com/jruby/jruby/commit/e5420b235ab4a1b0e4c0ff0bca1a1265a6a709c4

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Alex Tambellini added a comment - This was fixed in 1.7 by this commit: https://github.com/jruby/jruby/commit/e5420b235ab4a1b0e4c0ff0bca1a1265a6a709c4
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Matt Wilson added a comment -

Has this change also made in the 1.6 branch? I'm seeing this problem now, mysteriously when we didn't see it earlier with the same revision. Do you know of any runtime properties that might cause this error?

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Matt Wilson added a comment - Has this change also made in the 1.6 branch? I'm seeing this problem now, mysteriously when we didn't see it earlier with the same revision. Do you know of any runtime properties that might cause this error?

People

  • Assignee:
    Thomas E Enebo
    Reporter:
    Alex Tambellini
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Dates

  • Created:
    Updated:
    Resolved: