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new bddc9bf HDFS-16207. Remove NN logs stack trace for non-existent xattr
query (#3375)
bddc9bf is described below
commit bddc9bf63c3adb3d7445547bd1f8272e53b40bf7
Author: Ahmed Hussein <[email protected]>
AuthorDate: Wed Sep 8 23:21:16 2021 -0500
HDFS-16207. Remove NN logs stack trace for non-existent xattr query (#3375)
---
.../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.
+ */
[email protected]
[email protected]
+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 96dfdf9..632cff9 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
@@ -26,6 +26,7 @@ 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;
@@ -116,8 +117,7 @@ public 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) {
@@ -131,8 +131,7 @@ public 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 580a991..e29fa67 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
@@ -125,6 +125,7 @@ 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;
@@ -531,7 +532,8 @@ 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 5641bd5..af45961 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
@@ -37,6 +37,7 @@ 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 0816c3f..44c06e3 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
@@ -37,6 +37,7 @@ import java.util.zip.GZIPOutputStream;
import java.util.function.Supplier;
import org.apache.commons.lang3.RandomStringUtils;
+import org.apache.hadoop.hdfs.protocol.XAttrNotFoundException;
import org.apache.hadoop.util.Lists;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -3438,7 +3439,7 @@ 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 cc5133f..f688389 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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