Ewan Higgs created HDFS-12685:
---------------------------------
Summary: 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
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:
{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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