Re: [compass] Help! Error on compass watch

Sascha Kleiber

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Mar 16, 2013, 4:57:50 PM3/16/13

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Did you try updating your gems?
gem update - - system

So I've never had problems with compass/sass in the past, and compass watch has always worked fine. Now I see to be having a problem however.

Running: Compass 0.12.2
Sass 3.2.6

When I run a compass watch I get the following error:

StringScanner::Error on line 1156 of /Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb: regexp buffer overflow
Run with --trace to see the full backtrace

I run a compass watch --trace and I get:

StringScanner::Error on line 1156 of /Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb: regexp buffer overflow
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:1156:in `tok'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:957:in `_interp_string'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:949:in `interp_string'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:911:in `term'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:897:in `expr'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:671:in `simple_selector_sequence'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:640:in `_selector'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:619:in `selector'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:603:in `selector_sequence'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:528:in `ruleset'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:553:in `block_child'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:546:in `block_contents'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:82:in `stylesheet'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/scss/parser.rb:27:in `parse'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/engine.rb:342:in `_to_tree'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/engine.rb:274:in `to_tree'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/plugin/staleness_checker.rb:173:in `compute_dependencies'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/app_integration.rb:25:in `grep'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/tree/node.rb:151:in `each'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/tree/node.rb:150:in `each'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/tree/node.rb:151:in `each'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/tree/node.rb:151:in `each'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/plugin/staleness_checker.rb:169:in `grep'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/plugin/staleness_checker.rb:169:in `compute_dependencies'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/plugin/staleness_checker.rb:146:in `dependencies'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/plugin/staleness_checker.rb:123:in `dependencies_stale?'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/plugin/staleness_checker.rb:161:in `dependency_updated?'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/plugin/staleness_checker.rb:79:in `call'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/plugin/staleness_checker.rb:79:in `stylesheet_modified_since?'
/Library/Ruby/Gems/1.8/gems/sass-3.2.6/lib/sass/../sass/plugin/staleness_checker.rb:67:in `stylesheet_needs_update?'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:67:in `needs_update?'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:61:in `out_of_date?'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:60:in `each'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/compiler.rb:60:in `out_of_date?'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/commands/watch_project.rb:143:in `recompile'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/commands/watch_project.rb:68:in `perform'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/commands/base.rb:18:in `execute'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/commands/project_base.rb:19:in `execute'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/exec/sub_command_ui.rb:43:in `perform!'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/exec/sub_command_ui.rb:15:in `run!'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/bin/compass:30
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/bin/compass:44:in `call'
/Library/Ruby/Gems/1.8/gems/compass-0.12.2/bin/compass:44
/usr/bin/compass:23:in `load'
/usr/bin/compass:23

No idea what's going on and why the sudden errors. Any help is appreciated!!

--
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Emily Brick

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Apr 7, 2014, 1:51:31 PM4/7/14

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I'm also having this same exact problem! Did you ever figure it out?

Chris Eppstein

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Apr 7, 2014, 7:05:55 PM4/7/14

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In rare cases, regular expressions can consume large sums of memory for specific inputs. This should never happen and is considered a bug in how the regex is constructed. We need to fix this issue in Sass itself. Please file a bug at https://github.com/nex3/sass/issues with the smallest input file you can find that reproduces this issue.