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https://issues.apache.org/jira/browse/HDFS-15791?focusedWorklogId=541410&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-541410
]
ASF GitHub Bot logged work on HDFS-15791:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Jan/21 00:47
Start Date: 26/Jan/21 00:47
Worklog Time Spent: 10m
Work Description: Nargeshdb commented on a change in pull request #2652:
URL: https://github.com/apache/hadoop/pull/2652#discussion_r564139504
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java
##########
@@ -269,14 +269,20 @@ public InputStream
getInputStreamForSection(FileSummary.Section section,
String compressionCodec)
throws IOException {
FileInputStream fin = new FileInputStream(filename);
- FileChannel channel = fin.getChannel();
- channel.position(section.getOffset());
- InputStream in = new BufferedInputStream(new LimitInputStream(fin,
- section.getLength()));
+ try {
Review comment:
I don't think we can use try-with-resources here, since in the normal
case, `in` gets returned, and it is a wrapper for `fin`.
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Issue Time Tracking
-------------------
Worklog Id: (was: 541410)
Time Spent: 0.5h (was: 20m)
> Possible Resource Leak in FSImageFormatProtobuf
> -----------------------------------------------
>
> Key: HDFS-15791
> URL: https://issues.apache.org/jira/browse/HDFS-15791
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Narges Shadab
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> We noticed a possible resource leak
> [here|https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java#L271].
> If an I/O error occurs at line
> [273|https://github.com/apache/hadoop/blob/06a5d3437f68546207f18d23fe527895920c756a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java#L273]
> or
> [277|https://github.com/apache/hadoop/blob/06a5d3437f68546207f18d23fe527895920c756a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatProtobuf.java#L277],
> {{fin}} remains open since the exception isn't caught locally, and there is
> no way for any caller to close the FileInputStream
> I'll submit a pull request to fix it.
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