From f52bfc0fde0913725350556836a019572c951817 Mon Sep 17 00:00:00 2001
From: XinRoom <32238570+XinRoom@users.noreply.github.com>
Date: Thu, 27 May 2021 10:43:02 +0800
Subject: [PATCH] Fix error when compiled jdk9 and run with jdk8
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修复当使用jdk9编译的class运行于jdk8时buf.clear()错误的问题  https://github.com/plasma-umass/doppio/issues/497
---
 templates/tunnel.jsp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/templates/tunnel.jsp b/templates/tunnel.jsp
index d3ed6b7..fc96ca9 100644
--- a/templates/tunnel.jsp
+++ b/templates/tunnel.jsp
@@ -219,7 +219,7 @@
                     System.arraycopy(buf.array(), 0, data, 0, bytesRead);
                     out.write(b64en(data));
                     out.flush();
-                    buf.clear();
+                    ((java.nio.Buffer)buf).clear();
                     bytesRead = socketChannel.read(buf);
                 }
                 response.setHeader("X-STATUS", "OK");