/usr/share/source-highlight/javalog.lang is in libsource-highlight-common 3.1.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | # provided by Mark Silberbauer <mark@stonethree.com>
vardef basic_time = '[[:digit:]]{2}:[[:digit:]]{2}:[[:digit:]]{2}'
comment = '^INFO:'
keyword = '^WARNING:','^SEVERE:.*', '^Exception[[:blank:]]in[[:blank:]]thread.*'
string = '^[[:blank:]]{8}at.*'
specialchar = '[[:digit:]]{4}/[[:digit:]]{2}/[[:digit:]]{2}', $basic_time, '[[:digit:]]{1}:[[:digit:]]{2}:[[:digit:]]{2}[[:blank:]](AM|PM)', '(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[[:blank:]][[:digit:]]{1,2},[[:blank:]]20[[:digit:]]{2}'
number = '\b[[:digit:]]+\b'
type = '[[:blank:]](?=\w*\d)\w*((_|\-)(?=\w*\d)\w*)+'
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