HDFS-5169. hdfs.c: translateZCRException: null pointer deref when translating some exceptions (Contributed by Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4949@1520679 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-4949.txt

@@ -27,7 +27,8 @@ HDFS-4949 (Unreleased)
     HDFS-5163. Miscellaneous cache pool RPC fixes.  (Contributed by Colin
     Patrick McCabe)
 
-
   OPTIMIZATIONS
 
   BUG FIXES
+    HDFS-5169. hdfs.c: translateZCRException: null pointer deref when
+    translating some exceptions.  (Contributed by Colin Patrick McCabe)

hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/hdfs.c

@@ -2270,7 +2270,7 @@ static int translateZCRException(JNIEnv *env, jthrowable exc)
         ret = EPROTONOSUPPORT;
         goto done;
     }
-    ret = printExceptionAndFree(env, jthr, PRINT_EXC_ALL,
+    ret = printExceptionAndFree(env, exc, PRINT_EXC_ALL,
             "hadoopZeroCopyRead: ZeroCopyCursor#read failed");
 done:
     free(className);