I am trying to upload Snapshot.jar file to nexus and I am getting this error. Return code is: 400, ReasonPhrase: Detected content type [application/x-sh], but expected [application/java-archive]: When I change the file to tar extension successfully uploaded. Do you have any idea about this error? …

The uploaded jar is being detected as a shell script. Is this a spring boot jar by any chance? If so, this is a known issue. Disable file content validation in the hosted repository in order to work around it.

@rseddon why not make it configuarable, whitelist some mime types etc.

I’ve seen in DefaultMimeSupport that you derive the content-type using Apache Tika based on the file’s content and filename. For an executable jar, Tika indeed returns application/x-sh. But IHMO this is wrong, at least in the context of Nexus Repository. Yes, an executable jar starts with a shell s…

Can you reference the “known issue” here? Is there a ticket open for this? Any chance there will be another solution for this, instead of disabling content type validation completly ?

I’ve stumbled on similar issue. One of our Maven builds generated maven-metadata.xml.sha1 file with a content of 070701ed16f9c4417945c76928598ba49c0b03cc . This naturally produced this error message on artifact upload: [2026-07-15T06:33:20.716Z] [WARNING] Failed to upload checksum to com/company/cl…

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janithh92 (Janithh92) November 1, 2018, 6:15pm 3

Thank you so much for your support. Mentioned solution works.

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