# Registering S3 snapshot repository **URL:** \ **Category:** OpenSearch\ **Tags:** troubleshoot\ **Created:** [June 20, 2025, 4:16pm UTC](https://forum.opensearch.org/t/registering-s3-snapshot-repository/24843 "2025-06-20T16:16:59Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![simelbaz](https://avatars.discourse-cdn.com/v4/letter/s/71e660/32.png) [@simelbaz](https://forum.opensearch.org/u/simelbaz)\ **Post date:** [June 20, 2025, 4:17pm UTC](https://forum.opensearch.org/t/registering-s3-snapshot-repository/24843/1 "2025-06-20T16:17:00Z")
**Versions** (relevant - OpenSearch/Dashboard/Server OS/Browser): opensearch 3.0.0 debian 11 **Describe the issue** : I have migrated from 2.19 to 3.0.0 opensearch version. S3 snapshots were OK. After migration, I got the following exception. **Configuration** : **Relevant Logs or Screenshots** : [2025-06-20T17:03:36,992][WARN][r.suppressed] [\*\*\*\*] path: /\_snapshot/xx-s3-repository, params: {repository=xx-s3-repository} org.opensearch.repositories.RepositoryVerificationException: [xx-s3-repository] path is not accessible on cluster-manager node at org.opensearch.repositories.blobstore.BlobStoreRepository.startVerification(BlobStoreRepository.java:2956) ~[opensearch-3.0.0.jar:3.0.0] at org.opensearch.repositories.RepositoriesService$3.doRun(RepositoriesService.java:381) ~[opensearch-3.0.0.jar:3.0.0] at org.opensearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:975) ~[opensearch-3.0.0.jar:3.0.0] at org.opensearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:52) ~[opensearch-3.0.0.jar:3.0.0] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?] at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] Caused by: java.io.IOException: Unable to upload object [tests-j\_3z\_BoSRNuTsnqIeID3cw/master.dat] using a single upload at org.opensearch.repositories.s3.S3BlobContainer.executeSingleUpload(S3BlobContainer.java:558) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.lambda$writeBlobWithMetadata$1(S3BlobContainer.java:198) ~[?:?] at java.base/java.security.AccessController.doPrivileged(AccessController.java:571) ~[?:?] at org.opensearch.repositories.s3.SocketAccess.doPrivilegedIOException(SocketAccess.java:62) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.writeBlobWithMetadata(S3BlobContainer.java:196) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.writeBlob(S3BlobContainer.java:180) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.writeBlobAtomic(S3BlobContainer.java:373) ~[?:?] at org.opensearch.repositories.blobstore.BlobStoreRepository.startVerification(BlobStoreRepository.java:2948) ~[opensearch-3.0.0.jar:3.0.0] … 6 more Caused by: software.amazon.awssdk.services.s3.model.S3Exception: The Content-SHA256 you specified did not match what we received (Service: S3, Status Code: 400, Request ID: ac10c908:196517e2361:d02b6:aff, Extended Request ID: dba7831b6072cf203a84b4e0addf4b0709ce7e02a31e284dd21adf225d6176bd) (SDK Attempt Count: 1) at software.amazon.awssdk.services.s3.model.S3Exception$BuilderImpl.build(S3Exception.java:113) ~[?:?] at software.amazon.awssdk.services.s3.model.S3Exception$BuilderImpl.build(S3Exception.java:61) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.utils.RetryableStageHelper.retryPolicyDisallowedRetryException(RetryableStageHelper.java:168) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.RetryableStage.execute(RetryableStage.java:73) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.RetryableStage.execute(RetryableStage.java:36) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.RequestPipelineBuilder$ComposingRequestPipelineStage.execute(RequestPipelineBuilder.java:206) ~[?:?] at software.amazon.awssdk.core.internal.http.StreamManagingStage.execute(StreamManagingStage.java:53) ~[?:?] at software.amazon.awssdk.core.internal.http.StreamManagingStage.execute(StreamManagingStage.java:35) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallTimeoutTrackingStage.executeWithTimer(ApiCallTimeoutTrackingStage.java:82) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallTimeoutTrackingStage.execute(ApiCallTimeoutTrackingStage.java:62) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallTimeoutTrackingStage.execute(ApiCallTimeoutTrackingStage.java:43) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallMetricCollectionStage.execute(ApiCallMetricCollectionStage.java:50) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.ApiCallMetricCollectionStage.execute(ApiCallMetricCollectionStage.java:32) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.RequestPipelineBuilder$ComposingRequestPipelineStage.execute(RequestPipelineBuilder.java:206) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.RequestPipelineBuilder$ComposingRequestPipelineStage.execute(RequestPipelineBuilder.java:206) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.ExecutionFailureExceptionReportingStage.execute(ExecutionFailureExceptionReportingStage.java:37) ~[?:?] at software.amazon.awssdk.core.internal.http.pipeline.stages.ExecutionFailureExceptionReportingStage.execute(ExecutionFailureExceptionReportingStage.java:26) ~[?:?] at software.amazon.awssdk.core.internal.http.AmazonSyncHttpClient$RequestExecutionBuilderImpl.execute(AmazonSyncHttpClient.java:210) ~[?:?] at software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.invoke(BaseSyncClientHandler.java:103) ~[?:?] at software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.doExecute(BaseSyncClientHandler.java:173) ~[?:?] at software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.lambda$execute$1(BaseSyncClientHandler.java:80) ~[?:?] at software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.measureApiCallSuccess(BaseSyncClientHandler.java:182) ~[?:?] at software.amazon.awssdk.core.internal.handler.BaseSyncClientHandler.execute(BaseSyncClientHandler.java:74) ~[?:?] at software.amazon.awssdk.core.client.handler.SdkSyncClientHandler.execute(SdkSyncClientHandler.java:45) ~[?:?] at software.amazon.awssdk.awscore.client.handler.AwsSyncClientHandler.execute(AwsSyncClientHandler.java:53) ~[?:?] at software.amazon.awssdk.services.s3.DefaultS3Client.putObject(DefaultS3Client.java:11202) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.lambda$executeSingleUpload$24(S3BlobContainer.java:555) ~[?:?] at org.opensearch.repositories.s3.SocketAccess.lambda$doPrivilegedVoid$0(SocketAccess.java:71) ~[?:?] at java.base/java.security.AccessController.doPrivileged(AccessController.java:319) ~[?:?] at org.opensearch.repositories.s3.SocketAccess.doPrivilegedVoid(SocketAccess.java:70) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.executeSingleUpload(S3BlobContainer.java:554) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.lambda$writeBlobWithMetadata$1(S3BlobContainer.java:198) ~[?:?] at java.base/java.security.AccessController.doPrivileged(AccessController.java:571) ~[?:?] at org.opensearch.repositories.s3.SocketAccess.doPrivilegedIOException(SocketAccess.java:62) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.writeBlobWithMetadata(S3BlobContainer.java:196) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.writeBlob(S3BlobContainer.java:180) ~[?:?] at org.opensearch.repositories.s3.S3BlobContainer.writeBlobAtomic(S3BlobContainer.java:373) ~[?:?] at org.opensearch.repositories.blobstore.BlobStoreRepository.startVerification(BlobStoreRepository.java:2948) ~[opensearch-3.0.0.jar:3.0.0] … 6 more ---
**Author:** ![simelbaz](https://avatars.discourse-cdn.com/v4/letter/s/71e660/32.png) [@simelbaz](https://forum.opensearch.org/u/simelbaz)\ **Post date:** [June 23, 2025, 12:36pm UTC](https://forum.opensearch.org/t/registering-s3-snapshot-repository/24843/2 "2025-06-23T12:36:05Z")
The guy who opened the issue sent me the github issue: [[BUG] Snapshot repositories don't work with S3 compatible storage in 3.0.0 · Issue #18240 · opensearch-project/OpenSearch · GitHub](https://github.com/opensearch-project/OpenSearch/issues/18240)