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Posted to common-commits@hadoop.apache.org by cn...@apache.org on 2021/09/09 05:27:51 UTC

[hadoop] branch branch-3.3 updated: HDFS-16207. Remove NN logs stack trace for non-existent xattr query (#3375)

This is an automated email from the ASF dual-hosted git repository.

cnauroth pushed a commit to branch branch-3.3
in repository https://gitbox.apache.org/repos/asf/hadoop.git


The following commit(s) were added to refs/heads/branch-3.3 by this push:
     new 1f61944  HDFS-16207. Remove NN logs stack trace for non-existent xattr query (#3375)
1f61944 is described below

commit 1f61944e3be1f8efe273d44e77ed3f4126b08b95
Author: Ahmed Hussein <50...@users.noreply.github.com>
AuthorDate: Wed Sep 8 23:21:16 2021 -0500

    HDFS-16207. Remove NN logs stack trace for non-existent xattr query (#3375)
    
    Change-Id: Ibde523b20a6b8ac92991da52583e625a018d2ee6
---
 .../hdfs/protocol/XAttrNotFoundException.java      | 40 ++++++++++++++++++++++
 .../hadoop/hdfs/server/namenode/FSDirXAttrOp.java  |  7 ++--
 .../hdfs/server/namenode/NameNodeRpcServer.java    |  4 ++-
 .../tools/offlineImageViewer/FSImageLoader.java    |  4 +--
 .../java/org/apache/hadoop/hdfs/TestDFSShell.java  |  3 +-
 .../hdfs/server/namenode/FSXAttrBaseTest.java      |  5 +--
 6 files changed, 53 insertions(+), 10 deletions(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/XAttrNotFoundException.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/XAttrNotFoundException.java
new file mode 100644
index 0000000..d958491
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/XAttrNotFoundException.java
@@ -0,0 +1,40 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hdfs.protocol;
+
+import java.io.IOException;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
+
+/**
+ * The exception that happens when you ask to get a non existing XAttr.
+ */
+@InterfaceAudience.Private
+@InterfaceStability.Evolving
+public class XAttrNotFoundException extends IOException {
+  private static final long serialVersionUID = -6506239904158794057L;
+  public static final String DEFAULT_EXCEPTION_MSG =
+      "At least one of the attributes provided was not found.";
+  public XAttrNotFoundException() {
+    this(DEFAULT_EXCEPTION_MSG);
+  }
+  public XAttrNotFoundException(String msg) {
+    super(msg);
+  }
+}
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirXAttrOp.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirXAttrOp.java
index ce78b5b..7f16910 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirXAttrOp.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirXAttrOp.java
@@ -29,6 +29,7 @@ import org.apache.hadoop.fs.permission.FsAction;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
 import org.apache.hadoop.hdfs.DFSUtil;
 import org.apache.hadoop.hdfs.XAttrHelper;
+import org.apache.hadoop.hdfs.protocol.XAttrNotFoundException;
 import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos;
 import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ReencryptionInfoProto;
 import org.apache.hadoop.hdfs.protocolPB.PBHelperClient;
@@ -114,8 +115,7 @@ class FSDirXAttrOp {
       return filteredAll;
     }
     if (filteredAll == null || filteredAll.isEmpty()) {
-      throw new IOException(
-          "At least one of the attributes provided was not found.");
+      throw new XAttrNotFoundException();
     }
     List<XAttr> toGet = Lists.newArrayListWithCapacity(xAttrs.size());
     for (XAttr xAttr : xAttrs) {
@@ -129,8 +129,7 @@ class FSDirXAttrOp {
         }
       }
       if (!foundIt) {
-        throw new IOException(
-            "At least one of the attributes provided was not found.");
+        throw new XAttrNotFoundException();
       }
     }
     return toGet;
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
index 3adfa4df..6c196b0 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
@@ -127,6 +127,7 @@ import org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException;
 import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
 import org.apache.hadoop.hdfs.protocol.RecoveryInProgressException;
 import org.apache.hadoop.hdfs.protocol.ReplicatedBlockStats;
+import org.apache.hadoop.hdfs.protocol.XAttrNotFoundException;
 import org.apache.hadoop.hdfs.protocol.ZoneReencryptionStatus;
 import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo;
 import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
@@ -544,7 +545,8 @@ public class NameNodeRpcServer implements NamenodeProtocols {
         AclException.class,
         FSLimitException.PathComponentTooLongException.class,
         FSLimitException.MaxDirectoryItemsExceededException.class,
-        DisallowedDatanodeException.class);
+        DisallowedDatanodeException.class,
+        XAttrNotFoundException.class);
 
     clientRpcServer.addSuppressedLoggingExceptions(StandbyException.class,
         UnresolvedPathException.class);
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/FSImageLoader.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/FSImageLoader.java
index 0d4781d..c8a6edd 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/FSImageLoader.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/FSImageLoader.java
@@ -43,6 +43,7 @@ import org.apache.hadoop.fs.permission.AclStatus;
 import org.apache.hadoop.fs.permission.FsPermission;
 import org.apache.hadoop.fs.permission.PermissionStatus;
 import org.apache.hadoop.hdfs.XAttrHelper;
+import org.apache.hadoop.hdfs.protocol.XAttrNotFoundException;
 import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos;
 import org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode;
 import org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf;
@@ -452,8 +453,7 @@ class FSImageLoader {
         }
 
         if (!found) {
-          throw new IOException(
-              "At least one of the attributes provided was not found.");
+          throw new XAttrNotFoundException();
         }
       }
 
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java
index 139c249..3f4af54 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java
@@ -38,6 +38,7 @@ import java.util.function.Supplier;
 import org.apache.hadoop.thirdparty.com.google.common.collect.Lists;
 
 import org.apache.commons.lang3.RandomStringUtils;
+import org.apache.hadoop.hdfs.protocol.XAttrNotFoundException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.log4j.Level;
@@ -3435,7 +3436,7 @@ public class TestDFSShell {
         String str = out.toString();
         assertTrue("xattr value was incorrectly returned",
           str.indexOf(
-              "getfattr: At least one of the attributes provided was not found")
+              "getfattr: " + XAttrNotFoundException.DEFAULT_EXCEPTION_MSG)
                >= 0);
         out.reset();
       }
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSXAttrBaseTest.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSXAttrBaseTest.java
index 44e86ae..bb411f0 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSXAttrBaseTest.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/FSXAttrBaseTest.java
@@ -36,6 +36,7 @@ import org.apache.hadoop.hdfs.DFSTestUtil;
 import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.apache.hadoop.hdfs.HdfsConfiguration;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.protocol.XAttrNotFoundException;
 import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.security.AccessControlException;
 import org.apache.hadoop.security.UserGroupInformation;
@@ -408,7 +409,7 @@ public class FSXAttrBaseTest {
       Assert.fail("expected IOException");
     } catch (IOException e) {
       GenericTestUtils.assertExceptionContains(
-          "At least one of the attributes provided was not found.", e);
+          XAttrNotFoundException.DEFAULT_EXCEPTION_MSG, e);
     }
     
     /* Throw an exception if an xattr that was requested does not exist. */
@@ -422,7 +423,7 @@ public class FSXAttrBaseTest {
         Assert.fail("expected IOException");
       } catch (IOException e) {
         GenericTestUtils.assertExceptionContains(
-            "At least one of the attributes provided was not found.", e);
+            XAttrNotFoundException.DEFAULT_EXCEPTION_MSG, e);
       }
     }
     

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