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https://issues.apache.org/jira/browse/HDDS-2692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-2692:
---------------------------------
Labels: pull-request-available (was: )
> Seek to file end throws EOF Exception
> -------------------------------------
>
> Key: HDDS-2692
> URL: https://issues.apache.org/jira/browse/HDDS-2692
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Labels: pull-request-available
>
> Seek to File Length position throws EOF.
> Seeks by default should throw EOF past FileLength, not at file length
> position.
> Even in DFSInputStream it throws EOF above FileLength :
> {code:java}
> public synchronized void seek(long targetPos) throws IOException {
> if (targetPos > getFileLength()) {
> throw new EOFException("Cannot seek after EOF");
> }
> {code}
> Due to this behaviour EOF is shown as part of tail command too.
> {noformat}
> ayush@ayushpc:~/ozone/hadoop-ozone/hadoop-ozone/dist/target/ozone-0.5.0-SNAPSHOT/bin$
> ./ozone fs -tail -f /file
> 2019-12-08 01:21:34,088 [main] INFO impl.MetricsConfig: Loaded properties
> from hadoop-metrics2.properties
> 2019-12-08 01:21:34,137 [main] INFO impl.MetricsSystemImpl: Scheduled Metric
> snapshot period at 10 second(s).
> 2019-12-08 01:21:34,137 [main] INFO impl.MetricsSystemImpl:
> XceiverClientMetrics metrics system started
> Test
> tail: EOF encountered at pos: 5 for key: file
> {noformat}
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