diff --git a/external/flume/src/main/scala/org/apache/spark/streaming/flume/EventTransformer.scala b/external/flume/src/main/scala/org/apache/spark/streaming/flume/EventTransformer.scala
index 75b224afca39b..069a9a215675c 100644
--- a/external/flume/src/main/scala/org/apache/spark/streaming/flume/EventTransformer.scala
+++ b/external/flume/src/main/scala/org/apache/spark/streaming/flume/EventTransformer.scala
@@ -33,7 +33,7 @@ object EventTransformer extends Logging {
     Array[Byte]) = {
     val bodyLength = in.readInt()
     val bodyBuff = new Array[Byte](bodyLength)
-    in.read(bodyBuff)
+    in.readFully(bodyBuff)
 
     val numHeaders = in.readInt()
     val headers = new java.util.HashMap[CharSequence, CharSequence]
@@ -41,12 +41,12 @@ object EventTransformer extends Logging {
     for (i <- 0 until numHeaders) {
       val keyLength = in.readInt()
       val keyBuff = new Array[Byte](keyLength)
-      in.read(keyBuff)
+      in.readFully(keyBuff)
       val key: String = Utils.deserialize(keyBuff)
 
       val valLength = in.readInt()
       val valBuff = new Array[Byte](valLength)
-      in.read(valBuff)
+      in.readFully(valBuff)
       val value: String = Utils.deserialize(valBuff)
 
       headers.put(key, value)