[backport] PR #8758 to 5.x - Internal server error when saving a widget with German characters in name #8761
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Backport PR #8758
Commit 1:
URI-encode forwarded location header in proxy
Right now there are situations in which ElasticSearch puts characters in
the character code range between 128 and 255 into the
Location
header.This leads to an exception when trying to pass on that header through
the hapi proxy in versions before 15.0.0, because it validates that only
US-ASCII characters are used in headers.
To work around that situation, the
Location
header is encoded usingencodeURI()
for now.Closes #8705
Commit 2:
Add test to verify umlaut in vis name
Relates to #8705
Commit 3:
[elasticsearch/proxy] use different code path with erorr