突然间，我的所有Mediawiki页面都是空白的。如果我单击编辑字段，内容仍然是，那里。我已经检查了sqlite文件，它看起来很好。我已打开调试输出并获得以下内容：
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 881
Warning: Invalid argument supplied for foreach() in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 882
Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 886
Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 881
Warning: Invalid argument supplied for foreach() in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 882
Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 886
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 881
Warning: Invalid argument supplied for foreach() in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 882
Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 886
Warning: preg_match_all(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 881
Warning: Invalid argument supplied for foreach() in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 882
Warning: preg_replace(): Compilation failed: group name must start with a non-digit at offset 4 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 886
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
Warning: preg_match(): Compilation failed: group name must start with a non-digit at offset 8 in /usr/share/webapps/mediawiki/includes/MagicWord.php on line 907
这些错误最有可能是问题的原因吗？如果是这样，我该如何解决？如果没有，任何人都不知道可能出现什么问题？
答案 0 :(得分：16)
发现了这个问题。它在this bug report中描述。它显然固定在Mediawiki大师身上。发布的版本与PCRE 8.34不兼容。
答案 1 :(得分：6)
您必须更改includes / MagicWord.php，如下所示： here
替换
$group = "(?P<{$i}_{$name}>" . preg_quote( $syn, '/' ) . ')';
使用
$it = strtr( $i, '0123456789', 'abcdefghij' );
$group = "(?P<{$it}_{$name}>" . preg_quote( $syn, '/' ) . ')';
更换后，您必须清除所有网站。这可以在单个页面上完成，在页面的URL中添加“？action = purge”，或者通过在维护目录的命令行中运行它来为所有站点添加：
php purgeList.php --purge --all
答案 2 :(得分：0)
从Trusty升级到Xenial（Ubuntu）后，我遇到了相同的症状，但这不是PCRE问题。在我的情况下，它通过禁用Widgets扩展来解决，我通过在LocalSettings.php中注释掉这一行来做...
require_once("$IP/extensions/Widgets/Widgets.php");
我在Mediawiki的v1.28.0上有小部件的v1.0。