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

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

Konrad Windszus created JCRVLT-441:
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             Summary: CompressionUtilTest.testCompressibilityEstimation() 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
             Fix For: 3.4.2


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.




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