[jira] [Updated] (JCRVLT-441) CompressionUtilTest.testCompressibilityEstimation()and fails sometimes

["Konrad Windszus (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JCRVLT-441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Konrad Windszus updated JCRVLT-441:
-----------------------------------
    Summary: CompressionUtilTest.testCompressibilityEstimation()and  fails sometimes  (was: CompressionUtilTest.testCompressibilityEstimation() fails sometimes)

> CompressionUtilTest.testCompressibilityEstimation()and  fails sometimes
> -----------------------------------------------------------------------
>
>                 Key: JCRVLT-441
>                 URL: https://issues.apache.org/jira/browse/JCRVLT-441
>             Project: Jackrabbit FileVault
>          Issue Type: Bug
>          Components: vlt
>    Affects Versions: 3.4.0
>            Reporter: Konrad Windszus
>            Priority: Minor
>             Fix For: 3.4.6
>
>
> The error I experience in around every 4th build is
> {code}
> -------------------------------------------------------------------------------
> Test set: org.apache.jackrabbit.vault.fs.impl.io.CompressionUtilTest
> -------------------------------------------------------------------------------
> Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.012 s <<< FAILURE! - in org.apache.jackrabbit.vault.fs.impl.io.CompressionUtilTest
> testCompressibilityEstimation(org.apache.jackrabbit.vault.fs.impl.io.CompressionUtilTest)  Time elapsed: 0.007 s  <<< FAILURE!
> junit.framework.AssertionFailedError
> 	at org.apache.jackrabbit.vault.fs.impl.io.CompressionUtilTest.testCompressibilityEstimation(CompressionUtilTest.java:58)
> {code}
> This is due to the fact that the test relies on {{java.util.Random}} to generate a byte array. Sometimes this leads to byte arrays which are actually compressible.
> This happens again even after the fix from JCRVLT-379, e.g. in https://travis-ci.org/github/apache/jackrabbit-filevault/jobs/697258527



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