Some well known proxies respond with Content-Length=0, when returning 304. For robustness, always use the cached entity's content length, as modern browsers do.
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@ -145,10 +145,9 @@ class CachedHttpResponseGenerator {
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if (transferEncodingIsPresent(response)) {
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if (transferEncodingIsPresent(response)) {
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return;
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return;
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}
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}
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final Header contentLength = response.getFirstHeader(HttpHeaders.CONTENT_LENGTH);
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// Some well known proxies respond with Content-Length=0, when returning 304. For robustness, always
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if (contentLength == null) {
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// use the cached entity's content length, as modern browsers do.
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response.setHeader(HttpHeaders.CONTENT_LENGTH, Integer.toString(body.length));
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response.setHeader(HttpHeaders.CONTENT_LENGTH, Integer.toString(body.length));
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}
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}
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}
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private boolean transferEncodingIsPresent(final HttpResponse response) {
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private boolean transferEncodingIsPresent(final HttpResponse response) {
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