Plugin APP\\plugins\\generic\\dublinCoreMeta\\DublinCoreMetaPlugin failed to handle the hook ArticleHandler

Software Support
1

Hello,

I am on OJS 3.5.0-4

I getting a lot warnings as shown below.

[Sun Apr 19 17:50:39.309516 2026] [php:notice] [pid 2245060:tid 2245060] [client xxxxxx:57604] Plugin APP\\plugins\\generic\\dublinCoreMeta\\DublinCoreMetaPlugin failed to handle the hook ArticleHandler::view\nTypeError: htmlspecialchars(): Argument #1 ($string) must be of type string, array given in /path/to/plugins/generic/dublinCoreMeta/DublinCoreMetaPlugin.php:87\nStack trace:\n#0 /path/to/plugins/generic/dublinCoreMeta/DublinCoreMetaPlugin.php(87): htmlspecialchars()\n#1 [internal function]: APP\\plugins\\generic\\dublinCoreMeta\\DublinCoreMetaPlugin->articleView()\n#2 /path/to/lib/pkp/classes/plugins/Hook.php(164): call_user_func_array()\n#3 /path/to/lib/pkp/classes/plugins/Hook.php(132): PKP\\plugins\\Hook::run()\n#4 /path/to/pages/article/ArticleHandler.php(364): PKP\\plugins\\Hook::call()\n#5 [internal function]: APP\\pages\\article\\ArticleHandler->view()\n#6 /path/to/lib/pkp/classes/core/PKPRouter.php(327): call_user_func()\n#7 /path/to/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\\core\\PKPRouter->_authorizeInitializeAndCallRequest()\n#8 /path/to/lib/pkp/classes/core/Dispatcher.php(157): PKP\\core\\PKPPageRouter->route()\n#9 /path/to/lib/pkp/classes/core/PKPApplication.php(429): PKP\\core\\Dispatcher->dispatch()\n#10 /path/to/index.php(21): PKP\\core\\PKPApplication->execute()\n#11 {main}

What can I do silence them?

Thanks,
Nason

2

An issue has been registered at [Publication Object Metadata] | Passing array instead of string in cause fatal error for plugin DublinCoreMeta · Issue #12604 · pkp/pkp-lib · GitHub . Hope a fix will be added in 3.5.0-5 release .

Regards
PKP Dev Team

3

Hi @touhidur

Thank you for the update.

Nason