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https://issues.apache.org/jira/browse/TINKERPOP-2157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stephen mallette closed TINKERPOP-2157.
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Resolution: Fixed
Fix Version/s: 3.4.3
Hope this isn't premature, but I was "luckily" getting failure consistently for
several days with this on one of my systems. After many different attempts to
try to fix, this change gave me several clean builds in a row:
https://github.com/apache/tinkerpop/commit/bab12701458bb30f89b2ea1bc9caa98406d0eabe
I guess we'll re-open if we see this problem again.
> SparkStarBarrierInterceptor injects (Byte) 0
>
>
> Key: TINKERPOP-2157
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2157
> Project: TinkerPop
> Issue Type: Bug
> Components: process
>Affects Versions: 3.4.1
>Reporter: Daniel Kuppitz
>Assignee: stephen mallette
>Priority: Major
> Fix For: 3.4.3
>
>
> There are 3 tests that occasionally fail in
> {{SparkGraphComputerProcessIntegrateTest}}:
> * {{g_V_name_min}}
> * {{g_V_name_max}}
> * {{g_V_age_min}}
> In all cases, failure is a result of a mysterious {{(Byte) 0}}. Apparently,
> this zero gets injected by the {{SparkStarBarrierInterceptor}}. I came to
> this conclusion because I wasn't able to reproduce any of the failures after
> excluding this interceptor. However, the failures happen randomly*, so I
> can't say with 100% certainty that the interceptor is the problem.
>
> * on my system it never happened in the Docker builds, rarely in IntelliJ
> debug sessions, but quite often when I just run the test suite in IntelliJ
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