auto-compact empty buffers when requesting writable view

1 files changed, 6 insertions, 1 deletions

diff --git a/jrt/src/com/yahoo/jrt/Buffer.java b/jrt/src/com/yahoo/jrt/Buffer.java
index e57eda3473f..1014dc40014 100644
--- a/jrt/src/com/yahoo/jrt/Buffer.java
+++ b/jrt/src/com/yahoo/jrt/Buffer.java
@@ -32,7 +32,12 @@ class Buffer {
         }
         readPos = buf.position();
         buf.limit(buf.capacity());
-        buf.position(writePos);
+        if (readPos == writePos) {
+            readPos = 0;
+            buf.position(0);
+        } else {
+            buf.position(writePos);
+        }
         readMode = false;
     }