If rendering has failed due to a net.OpError stop rendering (attempt 2) (#19049)
Unfortunately #18642 does not work because a `*net.OpError` does not implement the `Is` interface to make `errors.Is` work correctly - thus leading to the irritating conclusion that a `*net.OpError` is not a `*net.OpError`. Here we keep the `errors.Is` because presumably this will be fixed at some point in the golang main source code but also we add a simply type cast to also check. Fix #18629 Signed-off-by: Andrew Thornton <art27@cantab.net>
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@ -269,7 +269,7 @@ func (ctx *Context) ServerError(logMsg string, logErr error) {
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func (ctx *Context) serverErrorInternal(logMsg string, logErr error) {
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func (ctx *Context) serverErrorInternal(logMsg string, logErr error) {
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if logErr != nil {
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if logErr != nil {
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log.ErrorWithSkip(2, "%s: %v", logMsg, logErr)
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log.ErrorWithSkip(2, "%s: %v", logMsg, logErr)
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if errors.Is(logErr, &net.OpError{}) {
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if _, ok := logErr.(*net.OpError); ok || errors.Is(logErr, &net.OpError{}) {
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// This is an error within the underlying connection
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// This is an error within the underlying connection
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// and further rendering will not work so just return
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// and further rendering will not work so just return
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return
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return
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