HADOOP-11515. Upgrade jsch lib to jsch-0.1.51 to avoid problems running on java7. (stevel and ozawa)

(cherry picked from commit 33fefa33e51133aaf1e699e087e3bca2e8065eec)

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -631,6 +631,9 @@ Release 2.8.0 - UNRELEASED
 
     HADOOP-12449. TestDNS and TestNetUtils failing if no network. (stevel)
 
+    HADOOP-11515. Upgrade jsch lib to jsch-0.1.51 to avoid problems running
+    on java7. (stevel and ozawa)
+
   OPTIMIZATIONS
 
     HADOOP-12051. ProtobufRpcEngine.invoke() should use Exception.toString()

hadoop-project/pom.xml

@@ -802,7 +802,7 @@
       <dependency>
         <groupId>com.jcraft</groupId>
         <artifactId>jsch</artifactId>
-        <version>0.1.42</version>
+        <version>0.1.51</version>
       </dependency>
       <dependency>
         <groupId>org.apache.htrace</groupId>