HDDS-15709. Replace random name suffix with uniqueObjectName by prathmesh12-coder · Pull Request #10773 · apache/ozone

prathmesh12-coder · 2026-07-15T06:38:32Z

What changes were proposed in this pull request?

we have intermittent BUCKET_ALREADY_EXISTS error during integration tests due to RandomStringUtils.secure().nextNumeric(...)
Replaced RandomStringUtils.secure().nextNumeric(...) with OzoneTestBase.uniqueObjectName(...) for Ozone object names (volume/bucket/key/snapshot) in integration tests.
Identity names (user/admin/owner), loop-indexed names, and nextNumeric(32) usages left unchanged.

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/HDDS-15709

How was this patch tested?

Reviewed remaining RandomStringUtils.secure().nextNumeric(...) in hadoop-ozone/integration-test/ with:

grep -rF 'RandomStringUtils.secure().nextNumeric' hadoop-ozone/integration-test

CI success : https://github.com/prathmesh12-coder/ozone/actions/runs/29388650631

…s to avoid intermittent BUCKET_ALREADY_EXISTS Replaced RandomStringUtils.secure().nextNumeric(...) with OzoneTestBase.uniqueObjectName(...) for Ozone object names (volume/bucket/key/snapshot) in integration tests. Identity names (user/admin/owner), loop-indexed names, and nextNumeric(32) usages are left unchanged.

sarvekshayr

Thanks @prathmesh12-coder for working on this.

Please resolve the merge conflicts in this PR.

# Conflicts: # hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestAddRemoveOzoneManager.java

sarvekshayr

Please fix the CI checkstyle failure.

sarvekshayr · 2026-07-15T07:32:35Z

-    String volumeName = "volume" + RandomStringUtils.secure().nextNumeric(5);
-    String bucketName = "volume" + RandomStringUtils.secure().nextNumeric(5);
+    String volumeName = uniqueObjectName("volume");
+    String bucketName = uniqueObjectName("volume");


Incorrect bucket prefix -

Suggested change

String bucketName = uniqueObjectName("volume");

String bucketName = uniqueObjectName("bucket");

Thanks @sarvekshayr for review !!
I left this as it was before, will change the similar occurrences. volName -> "vol.." , bucName -> "buc.." etc.
cc : @adoroszlai

done..bucket prefix fixed in both files.

sarvekshayr · 2026-07-15T07:37:05Z

-    String volumeName = "volume" + RandomStringUtils.secure().nextNumeric(5);
-    String bucketName = "volume" + RandomStringUtils.secure().nextNumeric(5);
+    String volumeName = uniqueObjectName("volume");
+    String bucketName = uniqueObjectName("volume");


Incorrect bucket prefix -

Suggested change

String bucketName = uniqueObjectName("volume");

String bucketName = uniqueObjectName("bucket");

adoroszlai · 2026-07-15T15:05:38Z

Thanks @prathmesh12-coder for the patch, @sarvekshayr for the review.

* master: (53 commits) HDDS-15876. Remove ozone-csi (apache#10780) HDDS-15508. Add 2.2.0 to compatibility/upgrade test (apache#10782) HDDS-15867. [JDK25] Bump byte-buddy to 1.18.11 (apache#10776) HDDS-15809. Validate x-amz-copy-source-range on UploadPartCopy (apache#10711). HDDS-15678. OFS isDirectory/isFile should not trigger pipeline refresh or return block locations (apache#10741) HDDS-15171. Add available space check on follower during bootstrap. (apache#10185) HDDS-14043. Fix ls -e UnsupportedOperationException on ofs/o3fs (apache#10209) HDDS-15709. Replace random name suffix with uniqueObjectName (apache#10773) HDDS-15849. Force channel shutdown in XceiverClientGrpc.close (apache#10747) HDDS-15765. Fail fast when --node-id is omitted for OM compact/defrag on an HA cluster (apache#10699) HDDS-14989. Delay follower SCM DN server start until Ratis log catch-up. (apache#10617). HDDS-15456. Add SCM DB lookup and identify orphan(wrt SCM) and deleted-but-present containers (apache#10547) HDDS-15812. Rename test utils for naming convention (apache#10766) HDDS-15600. Fix ListObjects response for encoding-type and empty delimiter (apache#10586). HDDS-15656. Fix non-atomic data size accumulation in ContainerBalancer move callback (apache#10708) HDDS-15667. `containerbalancer status`: show stop reason and iteration details after stop (apache#10681) HDDS-15823. Fix flaky TestFailureHandlingByClient#testContainerExclusionWithClosedContainerException (apache#10721) HDDS-15837. Add health-aware container ID listing in SCM (apache#10736) HDDS-15851. Return 403 for expired or out-of-range pre-signed S3 URLs (apache#10749) HDDS-15836. Add Archiver.appendFile for incremental TAR writes (apache#10735) ... Conflicts: hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/node/TestSCMNodeManager.java hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/node/TestSCMNodeMetrics.java hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/OmKeyInfo.java hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/om/helpers/RepeatedOmKeyInfo.java hadoop-ozone/dist/src/main/compose/upgrade/test.sh hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/upgrade/HddsUpgradeTestUtils.java hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/upgrade/TestDNDataDistributionFinalization.java hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/upgrade/TestHDDSUpgrade.java hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/upgrade/TestScmDataDistributionFinalization.java hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/hdds/upgrade/TestScmHAFinalization.java hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/service/TestBlockDeletionService.java hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/OMClientRequest.java

* HDDS-14496-zdu: (56 commits) HDDS-15848. Add new upgrade action annotations for component versions (apache#10744) HDDS-15876. Remove ozone-csi (apache#10780) HDDS-14825. Add Grafana Dashboard and Metrics for ZDU (apache#10602) HDDS-15508. Add 2.2.0 to compatibility/upgrade test (apache#10782) HDDS-15867. [JDK25] Bump byte-buddy to 1.18.11 (apache#10776) HDDS-15809. Validate x-amz-copy-source-range on UploadPartCopy (apache#10711). HDDS-15678. OFS isDirectory/isFile should not trigger pipeline refresh or return block locations (apache#10741) HDDS-15171. Add available space check on follower during bootstrap. (apache#10185) HDDS-14043. Fix ls -e UnsupportedOperationException on ofs/o3fs (apache#10209) HDDS-15709. Replace random name suffix with uniqueObjectName (apache#10773) HDDS-15677. Update client side version checks to use `isSupportedBy`. (apache#10611) HDDS-15849. Force channel shutdown in XceiverClientGrpc.close (apache#10747) HDDS-15765. Fail fast when --node-id is omitted for OM compact/defrag on an HA cluster (apache#10699) HDDS-14989. Delay follower SCM DN server start until Ratis log catch-up. (apache#10617). HDDS-15456. Add SCM DB lookup and identify orphan(wrt SCM) and deleted-but-present containers (apache#10547) HDDS-15812. Rename test utils for naming convention (apache#10766) HDDS-15600. Fix ListObjects response for encoding-type and empty delimiter (apache#10586). HDDS-15656. Fix non-atomic data size accumulation in ContainerBalancer move callback (apache#10708) HDDS-15667. `containerbalancer status`: show stop reason and iteration details after stop (apache#10681) HDDS-15823. Fix flaky TestFailureHandlingByClient#testContainerExclusionWithClosedContainerException (apache#10721) ... Conflicts: hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOzoneManagerPrepare.java

prathmesh12-coder added 2 commits July 14, 2026 18:35

HDDS-15709. Fixed CI: revert testGetFileStatus to nextNumeric(5)

e8f653a

sarvekshayr reviewed Jul 15, 2026

View reviewed changes

Merge remote-tracking branch 'upstream/master' into HDDS-15709

5c73652

# Conflicts: # hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestAddRemoveOzoneManager.java

sarvekshayr reviewed Jul 15, 2026

View reviewed changes

sarvekshayr requested a review from adoroszlai July 15, 2026 07:44

prathmesh12-coder added 2 commits July 15, 2026 14:34

HDDS-15709. Fixed import order in TestAddRemoveOzoneManager

93e6472

HDDS-15709. Fixed bucket prefix

2f83c31

adoroszlai approved these changes Jul 15, 2026

View reviewed changes

adoroszlai changed the title ~~HDDS-15709. Use uniqueObjectName for object names in integration tests to avoid intermittent BUCKET_ALREADY_EXISTS~~ HDDS-15709. Replace random name suffix with uniqueObjectName Jul 15, 2026

adoroszlai added the test label Jul 15, 2026

adoroszlai merged commit 398709d into apache:master Jul 15, 2026
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HDDS-15709. Replace random name suffix with uniqueObjectName#10773

HDDS-15709. Replace random name suffix with uniqueObjectName#10773
adoroszlai merged 5 commits into
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	String bucketName = uniqueObjectName("volume");
	String bucketName = uniqueObjectName("bucket");

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What changes were proposed in this pull request?

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prathmesh12-coder commented Jul 15, 2026 •

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