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http: Avoid panic if handler errors lack underlying error value

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Fixes #2845
This commit is contained in:
Matthew Holt 2019-10-30 21:41:52 -06:00
parent 0dd9243478
commit 8d3c64932e
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GPG Key ID: 2A349DD577D586A5
1 changed files with 5 additions and 1 deletions
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6
modules/caddyhttp/server.go
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@ -368,7 +368,11 @@ type ServerLogConfig struct {
func errLogValues(err error) (status int, msg string, fields []zapcore.Field) {
if handlerErr, ok := err.(HandlerError); ok {
status = handlerErr.StatusCode
msg = handlerErr.Err.Error()
if handlerErr.Err == nil {
msg = err.Error()
} else {
msg = handlerErr.Err.Error()
}
fields = []zapcore.Field{
zap.Int("status", handlerErr.StatusCode),
zap.String("err_id", handlerErr.ID),