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https://issues.apache.org/jira/browse/HADOOP-16218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated HADOOP-16218:
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Status: Patch Available (was: Open)
> findbugs warning of null param to non-nullable method in Configuration with
> Guava update
> ----------------------------------------------------------------------------------------
>
> Key: HADOOP-16218
> URL: https://issues.apache.org/jira/browse/HADOOP-16218
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: build
> Affects Versions: 3.3.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
>
> Findbugs is fussing over some unchanged code in configuration
> {code}
> Null passed for non-null parameter of writeXml(String, Writer) in
> org.apache.hadoop.conf.Configuration.writeXml(Writer)
> Bug type NP_NULL_PARAM_DEREF_ALL_TARGETS_DANGEROUS (click for details)
> In class org.apache.hadoop.conf.Configuration
> In method org.apache.hadoop.conf.Configuration.writeXml(Writer)
> Called method org.apache.hadoop.conf.Configuration.writeXml(String, Writer)
> At Configuration.java:[line 3490]
> Argument 1 is definitely null but must not be null
> Definite null passed to dangerous method call target
> org.apache.hadoop.conf.Configuration.writeXml(String, Writer)
> {code}
> Code looks fine; it's invoking Guava.Strings for the check for string ==
> empty-or-null; maybe something changed there.
> Proposed: add @Nullable in Configuration writeXml
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