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https://issues.apache.org/jira/browse/OAK-9826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17575910#comment-17575910
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Marcel Reutegger commented on OAK-9826:
---------------------------------------
The timing requirements may be a bit too aggressive with this test. Statistics
are updated once per second and the test waits up to one second for the
expected value. Depending on the system clock resolution and timing of the
scheduled tasks, this may not be enough.
Proposed PR https://github.com/apache/jackrabbit-oak/pull/655 gives the
assertion 1.5 seconds to see the expected value.
> Flaky test: DataStoreBlobStoreStatsTest
> ---------------------------------------
>
> Key: OAK-9826
> URL: https://issues.apache.org/jira/browse/OAK-9826
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: blob-plugins
> Affects Versions: 1.44.0
> Reporter: Joerg Hoh
> Assignee: Marcel Reutegger
> Priority: Major
>
> [Failed integration
> test|https://ci-builds.apache.org/job/Jackrabbit/job/oak-trunk-pr/job/PR-605/4/testReport/junit/org.apache.jackrabbit.oak.plugins.blob.datastore/DataStoreBlobStoreStatsTest/oak_blob_plugins___testDSBSGetAllMetaRecsErrorStats/?cloudbees-analytics-link=scm-reporting%2Ftests%2Ffailed]
>
> oak-blob-plugins /
> org.apache.jackrabbit.oak.plugins.blob.datastore.DataStoreBlobStoreStatsTest.testDSBSGetAllMetaRecsErrorStats
> (branch: trunk)
> {noformat}
> java.lang.AssertionError: expected:<1> but was:<0>
> at org.junit.Assert.fail(Assert.java:89)
> at org.junit.Assert.failNotEquals(Assert.java:835)
> at org.junit.Assert.assertEquals(Assert.java:647)
> at org.junit.Assert.assertEquals(Assert.java:633)
> at
> org.apache.jackrabbit.oak.plugins.blob.datastore.DataStoreBlobStoreStatsTest.testDSBSGetAllMetaRecsErrorStats(DataStoreBlobStoreStatsTest.java:711)
> {noformat}
> See also other test failures for the same class reported in OAK-8897 and
> OAK-8952.
> {noformat}
> [ERROR]
> testDSBSReadBlobStats(org.apache.jackrabbit.oak.plugins.blob.datastore.DataStoreBlobStoreStatsTest)
> Time elapsed: 1.047 s <<< FAILURE!
> java.lang.AssertionError: expected:<2> but was:<1>
> at
> org.apache.jackrabbit.oak.plugins.blob.datastore.DataStoreBlobStoreStatsTest.testDSBSReadBlobStats(DataStoreBlobStoreStatsTest.java:99)
> {noformat}
> {noformat}
> [ERROR]
> testDSBSGetRecordErrorStats(org.apache.jackrabbit.oak.plugins.blob.datastore.DataStoreBlobStoreStatsTest)
> Time elapsed: 1.093 s <<< FAILURE!
> java.lang.AssertionError: expected:<1> but was:<0>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:834)
> at org.junit.Assert.assertEquals(Assert.java:645)
> at org.junit.Assert.assertEquals(Assert.java:631)
> at
> org.apache.jackrabbit.oak.plugins.blob.datastore.DataStoreBlobStoreStatsTest.testDSBSGetRecordErrorStats(DataStoreBlobStoreStatsTest.java:306)
> {noformat}
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