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Posted to hdfs-dev@hadoop.apache.org by "Ayush Saxena (JIRA)" <ji...@apache.org> on 2019/05/29 18:06:00 UTC
[jira] [Resolved] (HDFS-14472) FSImageHandler.getPath() throws a
FileNotFoundException when the path is malformed
[ https://issues.apache.org/jira/browse/HDFS-14472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ayush Saxena resolved HDFS-14472.
---------------------------------
Resolution: Not A Problem
> FSImageHandler.getPath() throws a FileNotFoundException when the path is malformed
> ----------------------------------------------------------------------------------
>
> Key: HDFS-14472
> URL: https://issues.apache.org/jira/browse/HDFS-14472
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: eBugs
> Priority: Minor
>
> Dear HDFS developers, we are developing a tool to detect exception-related bugs in Java. Our prototype has spotted the following {{throw}} statement whose exception class and error message indicate different error conditions.
>
> Version: Hadoop-3.1.2
> File: HADOOP-ROOT/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/FSImageHandler.java
> Line: 179-180
> {code:java}
> throw new FileNotFoundException("Path: " + path + " should " +
> "start with " + WEBHDFS_PREFIX);{code}
>
> A {{FileNotFoundException}} means that a target file cannot be found. However, the error message indicates that the path is malformed (instead of well-formed but pointing to no file). This mismatch could be a problem. For example, the callers trying to handle other {{FileNotFoundException}} may accidentally (and incorrectly) handle the malformed path.
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