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HDFS-14529. SetTimes to throw FileNotFoundException if inode is not found #3243

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Merged
jojochuang merged 3 commits into from
Jul 30, 2021
Merged

HDFS-14529. SetTimes to throw FileNotFoundException if inode is not found #3243

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d9f4535
HDFS-14529. SetTimes to throw FileNotFoundException if inode is not f…
jojochuang Jul 28, 2021
9458f15
Remove unthrown exception
jojochuang Jul 28, 2021
458a119
Fix checkstyle
jojochuang Jul 29, 2021
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13 changes: 6 additions & 7 deletions ...project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java
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Original file line number Diff line number Diff line change
Expand Up @@ -124,11 +124,6 @@ static FileStatus setTimes(
if (fsd.isPermissionEnabled()) {
fsd.checkPathAccess(pc, iip, FsAction.WRITE);
}
final INode inode = iip.getLastINode();
if (inode == null) {
throw new FileNotFoundException("File/Directory " + iip.getPath() +
" does not exist.");
}
boolean changed = unprotectedSetTimes(fsd, iip, mtime, atime, true);
if (changed) {
fsd.getEditLog().logTimes(iip.getPath(), mtime, atime);
Expand Down Expand Up @@ -305,7 +300,7 @@ static boolean unprotectedSetOwner(

static boolean setTimes(
FSDirectory fsd, INodesInPath iip, long mtime, long atime, boolean force)
throws QuotaExceededException {
throws FileNotFoundException {
fsd.writeLock();
try {
return unprotectedSetTimes(fsd, iip, mtime, atime, force);
Expand Down Expand Up @@ -497,10 +492,14 @@ private static void setDirStoragePolicy(

static boolean unprotectedSetTimes(
FSDirectory fsd, INodesInPath iip, long mtime, long atime, boolean force)
throws QuotaExceededException {
throws FileNotFoundException {
assert fsd.hasWriteLock();
boolean status = false;
INode inode = iip.getLastINode();
if (inode == null) {
throw new FileNotFoundException("File/Directory " + iip.getPath() +
" does not exist.");
}
int latest = iip.getLatestSnapshotId();
if (mtime >= 0) {
inode = inode.setModificationTime(mtime, latest);
Expand Down
18 changes: 16 additions & 2 deletions ...ect/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSDirAttrOp.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,11 +23,12 @@
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.fs.permission.PermissionStatus;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotManager;
import org.junit.Test;
import org.mockito.Mockito;

import java.io.FileNotFoundException;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.when;
Expand All @@ -40,7 +41,8 @@ public class TestFSDirAttrOp {
LoggerFactory.getLogger(TestFSDirAttrOp.class);

private boolean unprotectedSetTimes(long atime, long atime0, long precision,
long mtime, boolean force) throws QuotaExceededException {
long mtime, boolean force)
throws FileNotFoundException {
FSNamesystem fsn = Mockito.mock(FSNamesystem.class);
SnapshotManager ssMgr = Mockito.mock(SnapshotManager.class);
FSDirectory fsd = Mockito.mock(FSDirectory.class);
Expand Down Expand Up @@ -131,4 +133,16 @@ public void testUnprotectedSetTimes() throws Exception {
assertTrue("SetTimes should update access time",
unprotectedSetTimes(100, 0, 1000, 1, false));
}

@Test(expected = FileNotFoundException.class)
public void testUnprotectedSetTimesFNFE()
throws FileNotFoundException {
FSDirectory fsd = Mockito.mock(FSDirectory.class);
INodesInPath iip = Mockito.mock(INodesInPath.class);

when(fsd.hasWriteLock()).thenReturn(Boolean.TRUE);
when(iip.getLastINode()).thenReturn(null);

FSDirAttrOp.unprotectedSetTimes(fsd, iip, 0, 0, false);
}
}