Cservenak, Tamas created TIKA-1461:
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Summary: Bad mime detection of certain JAR file
Key: TIKA-1461
URL: https://issues.apache.org/jira/browse/TIKA-1461
Project: Tika
Issue Type: Bug
Components: core
Affects Versions: 1.6
Reporter: Cservenak, Tamas
Given this "ordinary" Java JAR file
https://maven.atlassian.com/content/groups/public/com/atlassian/support/healthcheck/support-healthcheck-plugin/1.0.3/support-healthcheck-plugin-1.0.3.jar
Manually inspected and tested it, it is a Jar file and is valid one.
Still, Tika Core's Detector detects it as type {{application/x-msdownload;
format=pe}}. Tthe detection is "hinted" with file name, hence "jar" hint is
present, still it's not detected as desired {{application/java-archive}}.
IMO, this happens due to the problem with priority of
{{application/x-msdownload; format=pe}}, which is 55. If it would be 50, the
"mediation" would kick in, see TIKA-1292.
Changing/overriding magic priority is not possible using
{{custom-mimetypes.xml}} is also not possible.
Unsure what the correct solution is here, nor how to circumvent this without
patching Tika.
The problem affects versions 1.5 but also 1.6, but we target 1.6.
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