Item13937: Crash in Search if web contains topic name containing a backslash

In Sandbox, create a topic name containing a backslash. Ab\Cd, then visit Sandbox.

I'm not actually sure where the error is. The topic name appears to have lost all characters prior to the backslash. The actual name in the below dump was "KALENDER\2", but the topic name passed to the MetaCache was just 2.

Could not perform search. Error was: Assertion failed!
at /var/www/foswiki/distro/core/lib/AssertOn.pm line 30.
Assert::ASSERT("") called at /var/www/foswiki/distro/core/lib/Foswiki/MetaCache.pm line 222
Foswiki::MetaCache::get(Foswiki::MetaCache=HASH(0x32444d8), "Litterbox.2") called at /var/www/foswiki/distro/core/lib/Foswiki/Search/InfoCache.pm line 304
Foswiki::Search::InfoCache::sortTopics(ARRAY(0x300e420), "modified", "") called at /var/www/foswiki/distro/core/lib/Foswiki/Search/InfoCache.pm line 222
Foswiki::Search::InfoCache::sortResults(Foswiki::Search::InfoCache=HASH(0x300e5a0), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Search/ResultSet.pm line 273
Foswiki::Search::ResultSet::sortResults(Foswiki::Search::ResultSet=HASH(0x3218bb8), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Iterator/FilterIterator.pm line 64
Foswiki::Iterator::FilterIterator::sortResults(Foswiki::Iterator::FilterIterator=HASH(0x3218bd0), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Store/Interfaces/QueryAlgorithm.pm line 140
Foswiki::Store::Interfaces::QueryAlgorithm::query(Foswiki::Store::SearchAlgorithms::Forking=HASH(0x31d4488), Foswiki::Search::Node=HASH(0x31781e8), undef, Foswiki=HASH(0x144eff8), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Store/PlainFile.pm line 888
Foswiki::Store::PlainFile::query(Foswiki::Store::PlainFile=HASH(0x2398de8), Foswiki::Search::Node=HASH(0x31781e8), undef, Foswiki=HASH(0x144eff8), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Meta.pm line 984
Foswiki::Meta::query(Foswiki::Search::Node=HASH(0x31781e8), undef, HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Search.pm line 408
Foswiki::Search::searchWeb(Foswiki::Search=HASH(0x2fd0e70), "baseweb", "Litterbox", "_DEFAULT", ".*", "search", ".*", "nonoise", "on", ...) called at /var/www/foswiki/distro/core/lib/Foswiki/Macros/SEARCH.pm line 39
Foswiki::__ANON__() called at /usr/share/perl5/Error.pm line 416
eval {...} called at /usr/share/perl5/Error.pm line 408
Error::subs::try(CODE(0x2fd1020), HASH(0x2fd30d8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Macros/SEARCH.pm line 60
Foswiki::SEARCH(Foswiki=HASH(0x144eff8), Foswiki::Attrs=HASH(0x2fd0de0), Foswiki::Meta=HASH(0x29fc820)) called at /var/www/foswiki/distro/core/lib/Foswiki.pm line 3516
Foswiki::_expandMacroOnTopicRendering(Foswiki=HASH(0x144eff8), "SEARCH", "\x{a}\x{9}\".*\"\x{a}\x{9}type=\"regex\"\x{a}\x{9}nonoise=\"on\"\x{a}\x{9}order=\"modified\"\x{a}\x{9}reverse"..., Foswiki::Meta=HASH(0x29fc820)) called at /var/www/foswiki/distro/core/lib/Foswiki.pm line 3378
Foswiki::_processMacros(Foswiki=HASH(0x144eff8), "---+!! %MAKETEXT{\"Welcome to the [_1] web\" args=\"%WEB%\"}"..., CODE(0x1af8b28), Foswiki::Meta=HASH(0x29fc820), 16) called at /var/www/foswiki/distro/core/lib/Foswiki.pm line 3136
Foswiki::innerExpandMacros(Foswiki=HASH(0x144eff8), SCALAR(0x1b09690), Foswiki::Meta=HASH(0x29fc820)) called at /var/www/foswiki/distro/core/lib/Foswiki.pm line 3701
Foswiki::expandMacros(Foswiki=HASH(0x144eff8), "---+!! %MAKETEXT{\"Welcome to the [_1] web\" args=\"%WEB%\"}"..., Foswiki::Meta=HASH(0x29fc820)) called at /var/www/foswiki/distro/core/lib/Foswiki/Meta.pm line 3353
Foswiki::Meta::expandMacros(Foswiki::Meta=HASH(0x29fc820), "---+!! %MAKETEXT{\"Welcome to the [_1] web\" args=\"%WEB%\"}"...) called at /var/www/foswiki/distro/core/lib/Foswiki/UI/View.pm line 479
Foswiki::UI::View::_prepare("---+!! %MAKETEXT{\"Welcome to the [_1] web\" args=\"%WEB%\"}"..., Foswiki::Meta=HASH(0x29fc820), 0) called at /var/www/foswiki/distro/core/lib/Foswiki/UI/View.pm line 459
Foswiki::UI::View::view(Foswiki=HASH(0x144eff8)) called at /var/www/foswiki/distro/core/lib/Foswiki/UI.pm line 374
Foswiki::UI::__ANON__() called at /usr/share/perl5/Error.pm line 416
eval {...} called at /usr/share/perl5/Error.pm line 408
Error::subs::try(CODE(0x97b930), HASH(0x144ea10)) called at /var/www/foswiki/distro/core/lib/Foswiki/UI.pm line 500
Foswiki::UI::_execute(Foswiki::Request=HASH(0x1b7acd0), CODE(0x152e278), "view", 1) called at /var/www/foswiki/distro/core/lib/Foswiki/UI.pm line 326
Foswiki::UI::handleRequest(Foswiki::Request=HASH(0x1b7acd0)) called at /var/www/foswiki/distro/core/lib/Foswiki/Engine/CGI.pm line 100
Foswiki::Engine::CGI::run(Foswiki::Engine::CGI=HASH(0x1487ae8)) called at view line 29
at /var/www/foswiki/distro/core/lib/AssertOn.pm line 30.
Assert::ASSERT("") called at /var/www/foswiki/distro/core/lib/Foswiki/MetaCache.pm line 222
Foswiki::MetaCache::get(Foswiki::MetaCache=HASH(0x32444d8), "Litterbox.2") called at /var/www/foswiki/distro/core/lib/Foswiki/Search/InfoCache.pm line 304
Foswiki::Search::InfoCache::sortTopics(ARRAY(0x300e420), "modified", "") called at /var/www/foswiki/distro/core/lib/Foswiki/Search/InfoCache.pm line 222
Foswiki::Search::InfoCache::sortResults(Foswiki::Search::InfoCache=HASH(0x300e5a0), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Search/ResultSet.pm line 273
Foswiki::Search::ResultSet::sortResults(Foswiki::Search::ResultSet=HASH(0x3218bb8), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Iterator/FilterIterator.pm line 64
Foswiki::Iterator::FilterIterator::sortResults(Foswiki::Iterator::FilterIterator=HASH(0x3218bd0), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Store/Interfaces/QueryAlgorithm.pm line 140
Foswiki::Store::Interfaces::QueryAlgorithm::query(Foswiki::Store::SearchAlgorithms::Forking=HASH(0x31d4488), Foswiki::Search::Node=HASH(0x31781e8), undef, Foswiki=HASH(0x144eff8), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Store/PlainFile.pm line 888
Foswiki::Store::PlainFile::query(Foswiki::Store::PlainFile=HASH(0x2398de8), Foswiki::Search::Node=HASH(0x31781e8), undef, Foswiki=HASH(0x144eff8), HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Meta.pm line 984
Foswiki::Meta::query(Foswiki::Search::Node=HASH(0x31781e8), undef, HASH(0x30c56e8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Search.pm line 408
Foswiki::Search::searchWeb(Foswiki::Search=HASH(0x2fd0e70), "baseweb", "Litterbox", "_DEFAULT", ".*", "search", ".*", "nonoise", "on", ...) called at /var/www/foswiki/distro/core/lib/Foswiki/Macros/SEARCH.pm line 39
Foswiki::__ANON__() called at /usr/share/perl5/Error.pm line 416
eval {...} called at /usr/share/perl5/Error.pm line 408
Error::subs::try(CODE(0x2fd1020), HASH(0x2fd30d8)) called at /var/www/foswiki/distro/core/lib/Foswiki/Macros/SEARCH.pm line 60
Foswiki::SEARCH(Foswiki=HASH(0x144eff8), Foswiki::Attrs=HASH(0x2fd0de0), Foswiki::Meta=HASH(0x29fc820)) called at /var/www/foswiki/distro/core/lib/Foswiki.pm line 3516
Foswiki::_expandMacroOnTopicRendering(Foswiki=HASH(0x144eff8), "SEARCH", "\x{a}\x{9}\".*\"\x{a}\x{9}type=\"regex\"\x{a}\x{9}nonoise=\"on\"\x{a}\x{9}order=\"modified\"\x{a}\x{9}reverse"..., Foswiki::Meta=HASH(0x29fc820)) called at /var/www/foswiki/distro/core/lib/Foswiki.pm line 3378
Foswiki::_processMacros(Foswiki=HASH(0x144eff8), "---+!! %MAKETEXT{\"Welcome to the [_1] web\" args=\"%WEB%\"}"..., CODE(0x1af8b28), Foswiki::Meta=HASH(0x29fc820), 16) called at /var/www/foswiki/distro/core/lib/Foswiki.pm line 3136
Foswiki::innerExpandMacros(Foswiki=HASH(0x144eff8), SCALAR(0x1b09690), Foswiki::Meta=HASH(0x29fc820)) called at /var/www/foswiki/distro/core/lib/Foswiki.pm line 3701
Foswiki::expandMacros(Foswiki=HASH(0x144eff8), "---+!! %MAKETEXT{\"Welcome to the [_1] web\" args=\"%WEB%\"}"..., Foswiki::Meta=HASH(0x29fc820)) called at /var/www/foswiki/distro/core/lib/Foswiki/Meta.pm line 3353
Foswiki::Meta::expandMacros(Foswiki::Meta=HASH(0x29fc820), "---+!! %MAKETEXT{\"Welcome to the [_1] web\" args=\"%WEB%\"}"...) called at /var/www/foswiki/distro/core/lib/Foswiki/UI/View.pm line 479
Foswiki::UI::View::_prepare("---+!! %MAKETEXT{\"Welcome to the [_1] web\" args=\"%WEB%\"}"..., Foswiki::Meta=HASH(0x29fc820), 0) called at /var/www/foswiki/distro/core/lib/Foswiki/UI/View.pm line 459
Foswiki::UI::View::view(Foswiki=HASH(0x144eff8)) called at /var/www/foswiki/distro/core/lib/Foswiki/UI.pm line 374
Foswiki::UI::__ANON__() called at /usr/share/perl5/Error.pm line 416
eval {...} called at /usr/share/perl5/Error.pm line 408
Error::subs::try(CODE(0x97b930), HASH(0x144ea10)) called at /var/www/foswiki/distro/core/lib/Foswiki/UI.pm line 500
Foswiki::UI::_execute(Foswiki::Request=HASH(0x1b7acd0), CODE(0x152e278), "view", 1) called at /var/www/foswiki/distro/core/lib/Foswiki/UI.pm line 326
Foswiki::UI::handleRequest(Foswiki::Request=HASH(0x1b7acd0)) called at /var/www/foswiki/distro/core/lib/Foswiki/Engine/CGI.pm line 100
Foswiki::Engine::CGI::run(Foswiki::Engine::CGI=HASH(0x1487ae8)) called at view line 29.

-- GeorgeClark - 29 Jan 2016

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