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https://issues.apache.org/jira/browse/HADOOP-13147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17803158#comment-17803158
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Sebb commented on HADOOP-13147:
-------------------------------

What is the point of saying "*please move back if it is a blocker.* " if you 
don't intend to allow it?

> Constructors must not call overrideable methods
> -----------------------------------------------
>
>                 Key: HADOOP-13147
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13147
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.0.6-alpha
>         Environment: 
> http://svn.apache.org/repos/asf/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/PureJavaCrc32C.java
>            Reporter: Sebb
>            Priority: Blocker
>              Labels: pull-request-available
>
> Constructors must not call overrideable methods.
> An object is not guaranteed fully constructed until the constructor exits, so 
> the subclass override may not see the fully created parent object.
> This applies to:
> PureJavaCrc32



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