In the past 6 hours, these three are in the top 10 at <https://logstash.wikimedia.org/#/dashboard/elasticsearch/mediawiki-errors>:
| message | hits
|--|--
| XMPReader::parse Exception caught while parsing: No root element found in XML. | 248
| XMPReader::parse : Error reading XMP content: not well-formed (invalid token) (line: 1 column: 2941 byte offset: 2943) | 245
| XMPReader::parse Exception caught while parsing: character data where not expected. (mode 14) | 214
For example:
```
content
<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?> <x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="XMP Core 5.4.0"> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">; <rdf:Description rdf:about="" xmlns:xmp="http://ns.adobe.com/xap/1.0/"; xmlns:photoshop="http://ns.adobe.com/photoshop/1.0/"; xmp:CreateDate="2015-11-16T12:37:19" xmp:ModifyDate="2015-11-16T12:37:19" xmp:CreatorTool="Photos 1.2" photoshop:DateCreated="2015-11-16T12:37:19"/> </rdf:RDF> </x:xmpmeta>
<?xpacket end="w"?>
exception.class RuntimeException
exception.code 0
exception.file /srv/mediawiki/php-1.27.0-wmf.6/includes/media/XMP.php:364
exception.message No root element found in XML.
exception.trace
/srv/mediawiki/php-1.27.0-wmf.6/includes/media/BitmapMetadataHandler.php:173,
/srv/mediawiki/php-1.27.0-wmf.6/includes/media/Jpeg.php:101,
/srv/mediawiki/php-1.27.0-wmf.6/includes/media/ExifBitmap.php:179,
/srv/mediawiki/php-1.27.0-wmf.6/includes/media/MediaHandler.php:438,
/srv/mediawiki/php-1.27.0-wmf.6/includes/filerepo/file/UnregisteredLocalFile.php:118,
/srv/mediawiki/php-1.27.0-wmf.6/includes/filerepo/file/UnregisteredLocalFile.php:129,
/srv/mediawiki/php-1.27.0-wmf.6/includes/api/ApiQueryImageInfo.php:421,
/srv/mediawiki/php-1.27.0-wmf.6/includes/upload/UploadBase.php:1901,
/srv/mediawiki/php-1.27.0-wmf.6/includes/api/ApiUpload.php:112,
/srv/mediawiki/php-1.27.0-wmf.6/includes/api/ApiMain.php:1309,
/srv/mediawiki/php-1.27.0-wmf.6/includes/api/ApiMain.php:466,
/srv/mediawiki/php-1.27.0-wmf.6/includes/api/ApiMain.php:438,
/srv/mediawiki/php-1.27.0-wmf.6/api.php:88
level WARNING
message XMPReader::parse Exception caught while parsing: No root element found in XML.
```