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Posted to common-issues@hadoop.apache.org by "Masatake Iwasaki (JIRA)" <ji...@apache.org> on 2019/07/16 02:50:00 UTC
[jira] [Updated] (HADOOP-16386) FindBugs warning in branch-2:
GlobalStorageStatistics defines non-transient non-serializable instance
field map
[ https://issues.apache.org/jira/browse/HADOOP-16386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Masatake Iwasaki updated HADOOP-16386:
--------------------------------------
Attachment: HADOOP-16386-branch-2.001.patch
> FindBugs warning in branch-2: GlobalStorageStatistics defines non-transient non-serializable instance field map
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-16386
> URL: https://issues.apache.org/jira/browse/HADOOP-16386
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 2.10.0
> Reporter: Wei-Chiu Chuang
> Assignee: Masatake Iwasaki
> Priority: Major
> Attachments: HADOOP-16386-branch-2.001.patch
>
>
> Found in HDFS-14585
> https://builds.apache.org/job/PreCommit-HDFS-Build/27024/artifact/out/branch-findbugs-hadoop-common-project_hadoop-common-warnings.html#Warnings_BAD_PRACTICE
> {quote}Class org.apache.hadoop.fs.GlobalStorageStatistics defines non-transient non-serializable instance field map
> Bug type SE_BAD_FIELD (click for details)
> In class org.apache.hadoop.fs.GlobalStorageStatistics
> Field org.apache.hadoop.fs.GlobalStorageStatistics.map
> Actual type org.apache.hadoop.fs.StorageStatistics
> In GlobalStorageStatistics.java{quote}
> {quote}SE_BAD_FIELD: Non-transient non-serializable instance field in serializable class
> This Serializable class defines a non-primitive instance field which is neither transient, Serializable, or java.lang.Object, and does not appear to implement the Externalizable interface or the readObject() and writeObject() methods. Objects of this class will not be deserialized correctly if a non-Serializable object is stored in this field.{quote}
> Looking in my inbox, this warning has been there since Feburary 9, 2019
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