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From "Stefan Podkowinski (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CASSANDRA-13370) unittest CipherFactoryTest failed on MacOS
Date Thu, 23 Mar 2017 18:30:41 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15938952#comment-15938952
] 

Stefan Podkowinski edited comment on CASSANDRA-13370 at 3/23/17 6:30 PM:
-------------------------------------------------------------------------

-I don't think seeding SecureRandom does what you think it does, Ariel. The provided seed
will just get "mixed" with the current RNG seed. This is different from e.g. seeding java.util.Random
and will not make the test deterministic.-

(does only seem to apply to the native PRNG, just tested with SHA1PRNG and it worked as described
by you, my mistake here)



was (Author: spodxx@gmail.com):
I don't think seeding SecureRandom does what you think it does, Ariel. The provided seed will
just get "mixed" with the current RNG seed. This is different from e.g. seeding java.util.Random
and will not make the test deterministic.

> unittest CipherFactoryTest failed on MacOS
> ------------------------------------------
>
>                 Key: CASSANDRA-13370
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13370
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Testing
>            Reporter: Jay Zhuang
>            Assignee: Jay Zhuang
>            Priority: Minor
>             Fix For: 3.11.x, 4.x
>
>         Attachments: 13370-trunk.txt, 13370-trunk-update.txt
>
>
> Seems like MacOS(El Capitan) doesn't allow writing to {{/dev/urandom}}:
> {code}
> $ echo 1 > /dev/urandom
> echo: write error: operation not permitted
> {code}
> Which is causing CipherFactoryTest failed:
> {code}
> $ ant test -Dtest.name=CipherFactoryTest
> ...
>     [junit] Testsuite: org.apache.cassandra.security.CipherFactoryTest
>     [junit] Testsuite: org.apache.cassandra.security.CipherFactoryTest Tests run: 7,
Failures: 0, Errors: 7, Skipped: 0, Time elapsed: 2.184 sec
>     [junit]
>     [junit] Testcase: buildCipher_SameParams(org.apache.cassandra.security.CipherFactoryTest):
 Caused an ERROR
>     [junit] setSeed() failed
>     [junit] java.security.ProviderException: setSeed() failed
>     [junit]     at sun.security.provider.NativePRNG$RandomIO.implSetSeed(NativePRNG.java:472)
>     [junit]     at sun.security.provider.NativePRNG$RandomIO.access$300(NativePRNG.java:331)
>     [junit]     at sun.security.provider.NativePRNG.engineSetSeed(NativePRNG.java:214)
>     [junit]     at java.security.SecureRandom.getDefaultPRNG(SecureRandom.java:209)
>     [junit]     at java.security.SecureRandom.<init>(SecureRandom.java:190)
>     [junit]     at org.apache.cassandra.security.CipherFactoryTest.setup(CipherFactoryTest.java:50)
>     [junit] Caused by: java.io.IOException: Operation not permitted
>     [junit]     at java.io.FileOutputStream.writeBytes(Native Method)
>     [junit]     at java.io.FileOutputStream.write(FileOutputStream.java:313)
>     [junit]     at sun.security.provider.NativePRNG$RandomIO.implSetSeed(NativePRNG.java:470)
> ...
> {code}
> I'm able to reproduce the issue on two Mac machines. But not sure if it's affecting all
other developers.
> {{-Djava.security.egd=file:/dev/urandom}} was introduced in:
> CASSANDRA-9581
> I would suggest to revert the [change|https://github.com/apache/cassandra/commit/ae179e45327a133248c06019f87615c9cf69f643]
as {{pig-test}} is removed ([pig is no longer supported|https://github.com/apache/cassandra/commit/56cfc6ea35d1410f2f5a8ae711ae33342f286d79]).
> Or adding a condition for MacOS in build.xml.
> [~aweisberg] [~jasobrown] any thoughts?



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