diff options
| -rw-r--r-- | client/src/main/java/com/vaadin/client/ui/window/WindowConnector.java | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/client/src/main/java/com/vaadin/client/ui/window/WindowConnector.java b/client/src/main/java/com/vaadin/client/ui/window/WindowConnector.java index a2535b4bbe..46ffa8e432 100644 --- a/client/src/main/java/com/vaadin/client/ui/window/WindowConnector.java +++ b/client/src/main/java/com/vaadin/client/ui/window/WindowConnector.java @@ -339,6 +339,22 @@ public class WindowConnector extends AbstractSingleComponentContainerConnector } return newEl; } + if ("iframe".equalsIgnoreCase(old.getTagName()) && old + .hasAttribute("src") && old.getAttribute("src") + .contains("APP/connector")) { + // an iframe reloads when reattached to the DOM, but + // unfortunately, when newEl is reattached, server-side + // resource (e.g. generated PDF) is already gone, so this will + // end up with 404, which might be undesirable. + // Instead of the resource that is not available anymore, + // let's just use empty iframe. + // See + // https://github.com/vaadin/framework/issues/11369 + // for details of the issue this works around + Element newEl = old.cloneNode(false).cast(); + newEl.setAttribute("src", "about:blank"); + return newEl; + } } Node res = node.cloneNode(false); if (node.hasChildNodes()) { |