[jira] [Created] (HADOOP-16295) FileUtil.replaceFile() throws an IOException when it is interrupted

["eBugs in Cloud Systems (JIRA)" <ji...@apache.org>]

eBugs in Cloud Systems created HADOOP-16295:
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             Summary: FileUtil.replaceFile() throws an IOException when it is interrupted
                 Key: HADOOP-16295
                 URL: https://issues.apache.org/jira/browse/HADOOP-16295
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: eBugs in Cloud Systems


Dear Hadoop 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 seem to indicate different error conditions. Since we are not very familiar with Hadoop's internal work flow, could you please help us verify if this is a bug, i.e., will the callers have trouble handling the exception, and will the users/admins have trouble diagnosing the failure?

 

Version: Hadoop-3.1.2

File: HADOOP-ROOT/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java

Line: 1387
{code:java}
throw new IOException("replaceFile interrupted.");{code}
Reason: An {{IOException}} can mean many different errors, while the error message indicates that {{replaceFile()}} is interrupted. Will this mismatch be a problem? For example, will the callers try to handle other {{IOException}} accidentally (and incorrectly) handle the interrupt? Is an {{InterruptedIOException}} a better exception here?



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