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HADOOP-13500. Synchronizing iteration of Configuration properties object #3775

Merged
merged 2 commits into from Dec 17, 2021
Merged

HADOOP-13500. Synchronizing iteration of Configuration properties object #3775

merged 2 commits into from Dec 17, 2021

Commits on Dec 16, 2021

  1. HADOOP-13500. Synchronizing iteration of underlying properties object… 

    … in Configuration class

It is possible to encounter a ConcurrentModificationException while trying to iterate a Configuration object. The iterator method tries to walk the underlying Property object without proper synchronization, so another thread simultaneously calling the set method can trigger it. setProperty method on Property object is also synchronized on the same property object.
    @dbadaya1
    dbadaya1 committed Dec 16, 2021
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  2. Fix checkstyle issues

    @dbadaya1
    dbadaya1 committed Dec 16, 2021
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