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Posted to hdfs-issues@hadoop.apache.org by "Erik Krogen (JIRA)" <ji...@apache.org> on 2019/07/23 22:13:00 UTC
[jira] [Assigned] (HDFS-14462) WebHDFS throws "Error writing
request body to server" instead of DSQuotaExceededException
[ https://issues.apache.org/jira/browse/HDFS-14462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erik Krogen reassigned HDFS-14462:
----------------------------------
Assignee: Simbarashe Dzinamarira
> WebHDFS throws "Error writing request body to server" instead of DSQuotaExceededException
> -----------------------------------------------------------------------------------------
>
> Key: HDFS-14462
> URL: https://issues.apache.org/jira/browse/HDFS-14462
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 3.2.0, 2.9.2, 3.0.3, 2.8.5, 2.7.7, 3.1.2
> Reporter: Erik Krogen
> Assignee: Simbarashe Dzinamarira
> Priority: Major
>
> We noticed recently in our environment that, when writing data to HDFS via WebHDFS, a quota exception is returned to the client as:
> {code}
> java.io.IOException: Error writing request body to server
> at sun.net.www.protocol.http.HttpURLConnection$StreamingOutputStream.checkError(HttpURLConnection.java:3536) ~[?:1.8.0_172]
> at sun.net.www.protocol.http.HttpURLConnection$StreamingOutputStream.write(HttpURLConnection.java:3519) ~[?:1.8.0_172]
> at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) ~[?:1.8.0_172]
> at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) ~[?:1.8.0_172]
> at java.io.FilterOutputStream.flush(FilterOutputStream.java:140) ~[?:1.8.0_172]
> at java.io.DataOutputStream.flush(DataOutputStream.java:123) ~[?:1.8.0_172]
> {code}
> It is entirely opaque to the user that this exception was caused because they exceeded their quota. Yet in the DataNode logs:
> {code}
> 2019-04-24 02:13:09,639 WARN org.apache.hadoop.hdfs.DFSClient: DataStreamer Exception
> org.apache.hadoop.hdfs.protocol.DSQuotaExceededException: The DiskSpace quota of /foo/path/here is exceeded: quota = XXXXXXXXXXXX B = X TB but diskspace consumed = XXXXXXXXXXXXXXXX B = X TB
> at org.apache.hadoop.hdfs.server.namenode.DirectoryWithQuotaFeature.verifyStoragespaceQuota(DirectoryWithQuotaFeature.java:211)
> at org.apache.hadoop.hdfs.server.namenode.DirectoryWithQuotaFeature.verifyQuota(DirectoryWithQuotaFeature.java:239)
> {code}
> This was on a 2.7.x cluster, but I verified that the same logic exists on trunk. I believe we need to fix some of the logic within the {{ExceptionHandler}} to add special handling for the quota exception.
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