using bff

deploy-chunked-simple.sh

@@ -211,11 +211,14 @@ upload_file_in_chunks() {
       echo "DEBUG: Uploading chunk to: $API_BASE/upload/chunk?uploadSessionId=$SESSION_ID&fileType=$file_type&chunkIndex=$chunk_index&totalChunks=$total_chunks&fileName=$file_name"
     fi
 
-    # Send metadata as query params and chunk file as raw binary body
-    # This works with Java proxy that forwards body as-is
+    # Base64 encode the chunk so Java proxy can handle it as text/String
+    # This prevents corruption when proxy reads binary data as String
+    CHUNK_BASE64=$(base64 < "$chunk_file")
+
     RESPONSE=$(curl -s -X POST "$API_BASE/upload/chunk?uploadSessionId=$SESSION_ID&fileType=$file_type&chunkIndex=$chunk_index&totalChunks=$total_chunks&fileName=$file_name" \
-      -H "Content-Type: application/octet-stream" \
-      --data-binary "@$chunk_file")
+      -H "Content-Type: text/plain" \
+      -H "X-Chunk-Encoding: base64" \
+      -d "$CHUNK_BASE64")
 
     if [ "$DEBUG_MODE" = "true" ]; then
       echo "DEBUG: Chunk response: $RESPONSE"