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https://issues.apache.org/jira/browse/HDFS-12685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16293602#comment-16293602
]
Hudson commented on HDFS-12685:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13391 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13391/])
HDFS-12685. [READ] FsVolumeImpl exception when scanning Provided storage
(cdouglas: rev cc933cba77c147153e463415fc192cee2d53a1ef)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestProvidedImpl.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/ProvidedVolumeImpl.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/blockaliasmap/impl/TextFileRegionAliasMap.java
> [READ] FsVolumeImpl exception when scanning Provided storage volume
> -------------------------------------------------------------------
>
> Key: HDFS-12685
> URL: https://issues.apache.org/jira/browse/HDFS-12685
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Ewan Higgs
> Assignee: Virajith Jalaparti
> Attachments: HDFS-12685-HDFS-9806.001.patch,
> HDFS-12685-HDFS-9806.002.patch, HDFS-12685-HDFS-9806.003.patch,
> HDFS-12685-HDFS-9806.004.patch
>
>
> I left a Datanode running overnight and found this in the logs in the morning:
> {code}
> 2017-10-18 23:51:54,391 ERROR datanode.DirectoryScanner: Error compiling
> report for the volume, StorageId: DS-e75ebc3c-6b12-424e-875a-a4ae1a4dcc29
>
>
> java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException:
> URI scheme is not "file"
>
>
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
>
>
>
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
>
>
>
> at
> org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.getDiskReport(DirectoryScanner.java:544)
>
>
> at
> org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.scan(DirectoryScanner.java:393)
>
>
> at
> org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.reconcile(DirectoryScanner.java:375)
>
>
> at
> org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.run(DirectoryScanner.java:320)
>
>
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>
>
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
>
>
>
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
>
>
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
>
>
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>
>
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>
>
> at java.lang.Thread.run(Thread.java:748)
>
>
>
> Caused by: java.lang.IllegalArgumentException: URI scheme is not "file"
>
>
>
> at java.io.File.<init>(File.java:421)
>
>
>
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi$ScanInfo.<init>(FsVolumeSpi.java:319)
>
>
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ProvidedVolumeImpl$ProvidedBlockPoolSlice.compileReport(ProvidedVolumeImpl.java:155)
>
>
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.ProvidedVolumeImpl.compileReport(ProvidedVolumeImpl.java:493)
>
>
> at
> org.apache.hadoop.hdfs.server.datanode.DirectoryScanner$ReportCompiler.call(DirectoryScanner.java:620)
>
>
> at
> org.apache.hadoop.hdfs.server.datanode.DirectoryScanner$ReportCompiler.call(DirectoryScanner.java:581)
>
>
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>
>
>
> ... 3 more
> {code}
> The code in question tries to make a File from the URI (in this case {{s3a}}
> but anything in Provided storage would likely break here:
> {code}
> public ScanInfo(long blockId, File blockFile, File metaFile,
> FsVolumeSpi vol, FileRegion fileRegion, long length) {
> this.blockId = blockId;
> String condensedVolPath =
> (vol == null || vol.getBaseURI() == null) ? null :
> getCondensedPath(new File(vol.getBaseURI()).getAbsolutePath());
> // <-------
> this.blockSuffix = blockFile == null ? null :
> getSuffix(blockFile, condensedVolPath);
> this.blockLength = length;
> if (metaFile == null) {
> this.metaSuffix = null;
> } else if (blockFile == null) {
> this.metaSuffix = getSuffix(metaFile, condensedVolPath);
> } else {
> this.metaSuffix = getSuffix(metaFile,
> condensedVolPath + blockSuffix);
> }
> this.volume = vol;
> this.fileRegion = fileRegion;
> }
> {code}
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