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HDFS-5403. WebHdfs client cannot communicate with older WebHdfs servers post HDFS-5306. Contributed by Aaron T. Myers. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1535057 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2013-10-23 15:20:35 +00:00
parent d93e30e3a2
commit 3e65694f2b
3 changed files with 34 additions and 2 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -187,6 +187,9 @@ Release 2.2.1 - UNRELEASED
HDFS-5347. Add HDFS NFS user guide. (brandonli)
HDFS-5403. WebHdfs client cannot communicate with older WebHdfs servers
post HDFS-5306. (atm)
Release 2.2.0 - 2013-10-13
INCOMPATIBLE CHANGES

9
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/JsonUtil.java
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@ -297,18 +297,23 @@ public class JsonUtil {
}
/** Convert a Json map to an DatanodeInfo object. */
private static DatanodeInfo toDatanodeInfo(final Map<?, ?> m) {
static DatanodeInfo toDatanodeInfo(final Map<?, ?> m) {
if (m == null) {
return null;
}
Object infoSecurePort = m.get("infoSecurePort");
if (infoSecurePort == null) {
infoSecurePort = 0l; // same as the default value in hdfs.proto
}
return new DatanodeInfo(
(String)m.get("ipAddr"),
(String)m.get("hostName"),
(String)m.get("storageID"),
(int)(long)(Long)m.get("xferPort"),
(int)(long)(Long)m.get("infoPort"),
(int)(long)(Long)m.get("infoSecurePort"),
(int)(long)(Long)infoSecurePort,
(int)(long)(Long)m.get("ipcPort"),
(Long)m.get("capacity"),

24
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestJsonUtil.java
View File

@ -17,6 +17,7 @@
*/
package org.apache.hadoop.hdfs.web;
import java.util.HashMap;
import java.util.Map;
import org.apache.hadoop.fs.FileStatus;
@ -58,4 +59,27 @@ public class TestJsonUtil {
System.out.println("fs2 = " + fs2);
Assert.assertEquals(fstatus, fs2);
}
@Test
public void testToDatanodeInfoWithoutSecurePort() {
Map<String, Object> response = new HashMap<String, Object>();
response.put("ipAddr", "127.0.0.1");
response.put("hostName", "localhost");
response.put("storageID", "fake-id");
response.put("xferPort", 1337l);
response.put("infoPort", 1338l);
// deliberately don't include an entry for "infoSecurePort"
response.put("ipcPort", 1339l);
response.put("capacity", 1024l);
response.put("dfsUsed", 512l);
response.put("remaining", 512l);
response.put("blockPoolUsed", 512l);
response.put("lastUpdate", 0l);
response.put("xceiverCount", 4096l);
response.put("networkLocation", "foo.bar.baz");
response.put("adminState", "NORMAL");
JsonUtil.toDatanodeInfo(response);
}
}