theonedev/onedev · error · HttpResponseAwareException

Can not redeploy package: ${pack.getName()}:${pack.getVersio

Error message

Can not redeploy package: ${pack.getName()}:${pack.getVersion()}

What it means

uploadBlob enforces Maven's non-snapshot immutability: if the version does not end in '-SNAPSHOT' and a blob with the same name already exists in the pack with a different SHA-256 hash, redeploying is rejected with HTTP 409 CONFLICT. Released artifacts are meant to be immutable; overwriting with different content is blocked.

Source

Thrown at server-plugin/server-plugin-pack-maven/src/main/java/io/onedev/server/plugin/pack/maven/MavenPackHandler.java:408

						pack.setName(getName(groupId, artifactId));
						pack.setVersion(version != null? version: NONE);
						pack.setPrerelease(version != null && version.endsWith(VERSION_SUFFIX_SNAPSHOT));
						pack.setData(new MavenData());
					}
					
					Build build = null;
					if (buildId != null)
						build = buildService.load(buildId);
					pack.setBuild(build);
					pack.setUser(SecurityUtils.getUser());
					pack.setPublishDate(new Date());
					MavenData data = (MavenData) pack.getData();
					var prevSha256BlobHash = data.getSha256BlobHashes().get(blobName);
					if (version != null
							&& !version.endsWith(VERSION_SUFFIX_SNAPSHOT)
							&& prevSha256BlobHash != null
							&& !prevSha256BlobHash.equals(sha256BlobHash)) {
						throw new HttpResponseAwareException(SC_CONFLICT, "Can not redeploy package: "
								+ pack.getName() + ":" + pack.getVersion());
					}
					data.getSha256BlobHashes().put(blobName, sha256BlobHash);
					packService.createOrUpdate(pack, null, false);
					if (prevSha256BlobHash != null) {
						for (var blobReference: pack.getBlobReferences()) {
							if (blobReference.getPackBlob().getSha256Hash().equals(prevSha256BlobHash)) {
								packBlobReferenceService.delete(blobReference);
								break;
							}
						}
					}
					response.setStatus(SC_CREATED);
				}));
			}
		} catch (IOException e) {
			throw new RuntimeException(e);
		}

View on GitHub (pinned to d44925c47c)

Solutions

1. Bump the project version (e.g. 1.0.0 → 1.0.1) and redeploy — this is the intended fix.
2. If this is genuinely moving-target content, use a -SNAPSHOT version, which is allowed to change.
3. Delete the existing pack/version in OneDev (Project > Packages) if it is truly wrong, then redeploy once.
4. Fix CI so release jobs only deploy from tagged, reproducible builds.

Example fix

// before (pom.xml)
<version>1.0.0</version>  <!-- 1.0.0 already deployed with different content -->
// after
<version>1.0.1</version>

# Refuse to deploy a release version that already exists remotely
GROUP_PATH=com/acme/app
VER=1.0.0
ART=app-$VER.jar
STATUS=$(curl -s -o /dev/null -w '%{http_code}' -u "$USER:$TOKEN" "$BASE/~maven/1/$GROUP_PATH/$VER/$ART")
if [ "$VER" != *-SNAPSHOT ] && [ "$STATUS" = "200" ]; then
  echo "Version $VER already deployed — bump the version"; exit 1
fi

When it happens

Trigger: Running mvn deploy (or a REST PUT) for a release version like 1.0.0 whose artifact file already exists in the pack but was built with different bytes (new build of the same version).

Common situations: Re-running a release build without bumping the version; CI redeploys of release artifacts from rebuilt binaries; accidentally deploying a release version twice from different commits; Gradle/Maven client configured without proper versioning.

Understand the failure class

Background: "already exists" / EEXIST / FileAlreadyExistsException: what the 'file already exists' error means and how to fix it — this error's family across 37 libraries.

Related errors

• Branch '${request.getBranchName()}' already exists
• Tag '${request.getTagName()}' already exists
• Can not redeploy package: %s:%s
• Package already exists (name: %s, version: %s)
• Unknown GAV

AI-assisted analysis of theonedev/onedev@d44925c47c (2026-09-06). Data as JSON: /api/errors/4748b8118b92237c. Report an issue: GitHub.