HADOOP-7770. ViewFS getFileChecksum throws FileNotFoundException for files in /tmp and /user. Contributed by Ravi Prakash.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1190532 13f79535-47bb-0310-9956-ffa450edef68
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@ -82,6 +82,9 @@ Trunk (unreleased changes)
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HADOOP-7769. TestJMXJsonServlet is failing. (tomwhite)
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HADOOP-7770. ViewFS getFileChecksum throws FileNotFoundException for files in
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/tmp and /user. (Ravi Prakash via jitendra)
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OPTIMIZATIONS
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HADOOP-7761. Improve the performance of raw comparisons. (todd)
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@ -318,7 +318,7 @@ public FileChecksum getFileChecksum(final Path f)
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IOException {
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InodeTree.ResolveResult<FileSystem> res =
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fsState.resolve(getUriPath(f), true);
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return res.targetFileSystem.getFileChecksum(f);
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return res.targetFileSystem.getFileChecksum(res.remainingPath);
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}
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@Override
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@ -316,7 +316,7 @@ public FileChecksum getFileChecksum(final Path f)
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UnresolvedLinkException, IOException {
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InodeTree.ResolveResult<AbstractFileSystem> res =
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fsState.resolve(getUriPath(f), true);
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return res.targetFileSystem.getFileChecksum(f);
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return res.targetFileSystem.getFileChecksum(res.remainingPath);
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}
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@Override
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@ -23,6 +23,7 @@
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import java.net.URISyntaxException;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FileChecksum;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.FileUtil;
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@ -33,6 +34,8 @@
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import org.junit.AfterClass;
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import org.junit.Test;
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import org.mockito.Mockito;
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import static org.junit.Assert.*;
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/**
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@ -81,6 +84,27 @@ public void testFileStatusSerialziation()
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assertEquals(content.length, deSer.getLen());
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}
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// Tests that ViewFileSystem.getFileChecksum calls res.targetFileSystem
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// .getFileChecksum with res.remainingPath and not with f
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@Test
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public void testGetFileChecksum() throws IOException {
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FileSystem mockFS = Mockito.mock(FileSystem.class);
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InodeTree.ResolveResult<FileSystem> res =
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new InodeTree.ResolveResult<FileSystem>(null, mockFS , null,
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new Path("someFile"));
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@SuppressWarnings("unchecked")
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InodeTree<FileSystem> fsState = Mockito.mock(InodeTree.class);
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Mockito.when(fsState.resolve("/tmp/someFile", true)).thenReturn(res);
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ViewFileSystem vfs = Mockito.mock(ViewFileSystem.class);
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vfs.fsState = fsState;
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Mockito.when(vfs.getFileChecksum(new Path("/tmp/someFile")))
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.thenCallRealMethod();
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vfs.getFileChecksum(new Path("/tmp/someFile"));
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Mockito.verify(mockFS).getFileChecksum(new Path("someFile"));
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}
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@AfterClass
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public static void cleanup() throws IOException {
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FileUtil.fullyDelete(TEST_DIR);
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@ -29,13 +29,15 @@
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import java.util.List;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.AbstractFileSystem;
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import org.apache.hadoop.fs.BlockLocation;
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import org.apache.hadoop.fs.FileContext;
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import org.apache.hadoop.fs.FileContextTestHelper;
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import org.apache.hadoop.fs.FileContextTestHelper.fileType;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FsConstants;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.FileContextTestHelper.fileType;
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import org.apache.hadoop.fs.UnresolvedLinkException;
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import org.apache.hadoop.fs.viewfs.ViewFs.MountPoint;
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import org.apache.hadoop.security.AccessControlException;
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import org.apache.hadoop.security.token.Token;
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@ -43,6 +45,7 @@
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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import org.mockito.Mockito;
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/**
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@ -408,6 +411,27 @@ public void testFileStatusOnMountLink() throws IOException {
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}
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}
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@Test
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public void testGetFileChecksum() throws AccessControlException
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, UnresolvedLinkException, IOException {
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AbstractFileSystem mockAFS = Mockito.mock(AbstractFileSystem.class);
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InodeTree.ResolveResult<AbstractFileSystem> res =
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new InodeTree.ResolveResult<AbstractFileSystem>(null, mockAFS , null,
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new Path("someFile"));
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@SuppressWarnings("unchecked")
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InodeTree<AbstractFileSystem> fsState = Mockito.mock(InodeTree.class);
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Mockito.when(fsState.resolve(Mockito.anyString()
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, Mockito.anyBoolean())).thenReturn(res);
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ViewFs vfs = Mockito.mock(ViewFs.class);
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vfs.fsState = fsState;
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Mockito.when(vfs.getFileChecksum(new Path("/tmp/someFile")))
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.thenCallRealMethod();
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vfs.getFileChecksum(new Path("/tmp/someFile"));
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Mockito.verify(mockAFS).getFileChecksum(new Path("someFile"));
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}
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@Test(expected=FileNotFoundException.class)
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public void testgetFSonDanglingLink() throws IOException {
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fcView.getFileStatus(new Path("/danglingLink"));
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