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Posted to hdfs-commits@hadoop.apache.org by sz...@apache.org on 2011/11/01 01:40:37 UTC

svn commit: r1195736 - in /hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs: ./ CHANGES.txt src/main/java/ src/main/java/org/apache/hadoop/hdfs/DFSClient.java src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java

Author: szetszwo
Date: Tue Nov  1 00:40:36 2011
New Revision: 1195736

URL: http://svn.apache.org/viewvc?rev=1195736&view=rev
Log:
svn merge -c 1195731 from trunk for HDFS-2065.

Modified:
    hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/   (props changed)
    hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/   (props changed)
    hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
    hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java

Propchange: hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Nov  1 00:40:36 2011
@@ -1,4 +1,4 @@
-/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs:1161777,1161781,1162188,1162421,1162491,1162499,1162613,1162928,1162954,1162979,1163050,1163069,1163081,1163490,1163768,1164255,1164301,1164339,1166402,1167383,1167662,1170085,1170379,1170459,1170996,1171136,1171297,1171379,1171611,1172916,1173402,1173468,1175113,1176178,1176550,1176719,1176729,1176733,1177100,1177161,1177487,1177531,1177757,1177859,1177864,1177905,1179169,1179856,1179861,1180757,1183081,1183098,1183175,1183554,1186508,1187140,1189028,1189355,1189360,1189546,1189932,1189982,1190077,1190708,1195575,1195656
+/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs:1161777,1161781,1162188,1162421,1162491,1162499,1162613,1162928,1162954,1162979,1163050,1163069,1163081,1163490,1163768,1164255,1164301,1164339,1166402,1167383,1167662,1170085,1170379,1170459,1170996,1171136,1171297,1171379,1171611,1172916,1173402,1173468,1175113,1176178,1176550,1176719,1176729,1176733,1177100,1177161,1177487,1177531,1177757,1177859,1177864,1177905,1179169,1179856,1179861,1180757,1183081,1183098,1183175,1183554,1186508,1187140,1189028,1189355,1189360,1189546,1189932,1189982,1190077,1190708,1195575,1195656,1195731
 /hadoop/core/branches/branch-0.19/hdfs:713112
 /hadoop/hdfs/branches/HDFS-1052:987665-1095512
 /hadoop/hdfs/branches/HDFS-265:796829-820463

Modified: hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1195736&r1=1195735&r2=1195736&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Tue Nov  1 00:40:36 2011
@@ -1165,6 +1165,9 @@ Release 0.23.0 - Unreleased
     getFileStatus on non-existing files; fix bugs in getBlockLocations; and
     changed getFileChecksum json response root to "FileChecksum".  (szetszwo)
 
+    HDFS-2065. Add null checks in DFSClient.getFileChecksum(..).  (Uma
+    Maheswara Rao G via szetszwo)
+
   BREAKDOWN OF HDFS-1073 SUBTASKS
 
     HDFS-1521. Persist transaction ID on disk between NN restarts.

Propchange: hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Nov  1 00:40:36 2011
@@ -1,4 +1,4 @@
-/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java:1161777,1161781,1162188,1162421,1162491,1162499,1162613,1162928,1162954,1162979,1163050,1163069,1163081,1163490,1163768,1164255,1164301,1164339,1166402,1167383,1167662,1170085,1170379,1170459,1170996,1171136,1171297,1171379,1171611,1172916,1173402,1173468,1175113,1176178,1176550,1176719,1176729,1176733,1177100,1177161,1177487,1177531,1177757,1177859,1177864,1177905,1179169,1179856,1179861,1180757,1183081,1183098,1183175,1183554,1186508,1187140,1189028,1189355,1189360,1189546,1189932,1189982,1190077,1190708,1195575,1195656
+/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java:1161777,1161781,1162188,1162421,1162491,1162499,1162613,1162928,1162954,1162979,1163050,1163069,1163081,1163490,1163768,1164255,1164301,1164339,1166402,1167383,1167662,1170085,1170379,1170459,1170996,1171136,1171297,1171379,1171611,1172916,1173402,1173468,1175113,1176178,1176550,1176719,1176729,1176733,1177100,1177161,1177487,1177531,1177757,1177859,1177864,1177905,1179169,1179856,1179861,1180757,1183081,1183098,1183175,1183554,1186508,1187140,1189028,1189355,1189360,1189546,1189932,1189982,1190077,1190708,1195575,1195656,1195731
 /hadoop/core/branches/branch-0.19/hdfs/src/java:713112
 /hadoop/core/trunk/src/hdfs:776175-785643,785929-786278
 /hadoop/hdfs/branches/HDFS-1052/src/java:987665-1095512

Modified: hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java?rev=1195736&r1=1195735&r2=1195736&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java (original)
+++ hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java Tue Nov  1 00:40:36 2011
@@ -1088,8 +1088,11 @@ public class DFSClient implements java.i
       ClientProtocol namenode, SocketFactory socketFactory, int socketTimeout
       ) throws IOException {
     //get all block locations
-    List<LocatedBlock> locatedblocks
-        = callGetBlockLocations(namenode, src, 0, Long.MAX_VALUE).getLocatedBlocks();
+    LocatedBlocks blockLocations = callGetBlockLocations(namenode, src, 0, Long.MAX_VALUE);
+    if (null == blockLocations) {
+      throw new FileNotFoundException("File does not exist: " + src);
+    }
+    List<LocatedBlock> locatedblocks = blockLocations.getLocatedBlocks();
     final DataOutputBuffer md5out = new DataOutputBuffer();
     int bytesPerCRC = 0;
     long crcPerBlock = 0;
@@ -1099,8 +1102,11 @@ public class DFSClient implements java.i
     //get block checksum for each block
     for(int i = 0; i < locatedblocks.size(); i++) {
       if (refetchBlocks) {  // refetch to get fresh tokens
-        locatedblocks = callGetBlockLocations(namenode, src, 0, Long.MAX_VALUE)
-            .getLocatedBlocks();
+        blockLocations = callGetBlockLocations(namenode, src, 0, Long.MAX_VALUE);
+        if (null == blockLocations) {
+          throw new FileNotFoundException("File does not exist: " + src);
+        }
+        locatedblocks = blockLocations.getLocatedBlocks();
         refetchBlocks = false;
       }
       LocatedBlock lb = locatedblocks.get(i);

Modified: hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java?rev=1195736&r1=1195735&r2=1195736&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java (original)
+++ hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDistributedFileSystem.java Tue Nov  1 00:40:36 2011
@@ -412,6 +412,25 @@ public class TestDistributedFileSystem {
     final UserGroupInformation ugi = UserGroupInformation.createUserForTesting(
         current.getShortUserName() + "x", new String[]{"user"});
     
+    try {
+      ((DistributedFileSystem) hdfs).getFileChecksum(new Path(
+          "/test/TestNonExistingFile"));
+      fail("Expecting FileNotFoundException");
+    } catch (FileNotFoundException e) {
+      assertTrue("Not throwing the intended exception message", e.getMessage()
+          .contains("File does not exist: /test/TestNonExistingFile"));
+    }
+
+    try {
+      Path path = new Path("/test/TestExistingDir/");
+      hdfs.mkdirs(path);
+      ((DistributedFileSystem) hdfs).getFileChecksum(path);
+      fail("Expecting FileNotFoundException");
+    } catch (FileNotFoundException e) {
+      assertTrue("Not throwing the intended exception message", e.getMessage()
+          .contains("File does not exist: /test/TestExistingDir"));
+    }
+    
     //hftp
     final String hftpuri = "hftp://" + nnAddr;
     System.out.println("hftpuri=" + hftpuri);