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.

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

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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Sonatype Nexus Repository

guogangfan (West Farmer) November 20, 2019, 11:32am 4

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

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