From 5665cfe4929a8abe5ba256764e006af125dd64e4 Mon Sep 17 00:00:00 2001
From: Idan Sheinberg <ishinberg0@gmail.com>
Date: Fri, 18 Oct 2019 01:11:33 +0300
Subject: [PATCH] [Java] byte buffer factory returned buffer capcity is used
 instead of the requested size (#5558)

* byte buffer factory returned buffer is used instead of the requested capacity

* byte buffer factory returned buffer is used instead of the requested capacity

* Comment fix
---
 java/com/google/flatbuffers/FlatBufferBuilder.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/java/com/google/flatbuffers/FlatBufferBuilder.java b/java/com/google/flatbuffers/FlatBufferBuilder.java
index 574516f7e..7341b015d 100644
--- a/java/com/google/flatbuffers/FlatBufferBuilder.java
+++ b/java/com/google/flatbuffers/FlatBufferBuilder.java
@@ -242,6 +242,7 @@ public class FlatBufferBuilder {
         int new_buf_size = old_buf_size == 0 ? 1 : old_buf_size << 1;
         bb.position(0);
         ByteBuffer nbb = bb_factory.newByteBuffer(new_buf_size);
+        new_buf_size = nbb.clear().capacity(); // Ensure the returned buffer is treated as empty
         nbb.position(new_buf_size - old_buf_size);
         nbb.put(bb);
         return nbb;