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@saeidzebardast
Created March 8, 2016 10:30
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Enable CORS in Spark Java to allow origins *
options("/*",
(request, response) -> {
String accessControlRequestHeaders = request
.headers("Access-Control-Request-Headers");
if (accessControlRequestHeaders != null) {
response.header("Access-Control-Allow-Headers",
accessControlRequestHeaders);
}
String accessControlRequestMethod = request
.headers("Access-Control-Request-Method");
if (accessControlRequestMethod != null) {
response.header("Access-Control-Allow-Methods",
accessControlRequestMethod);
}
return "OK";
});
before((request, response) -> response.header("Access-Control-Allow-Origin", "*"));
@pkjc
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pkjc commented Mar 1, 2018

Thanks 👍

@Myolisi
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Myolisi commented Mar 8, 2018

Thanks!

@ajesk
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ajesk commented Mar 14, 2018

thank you!!!!!

@mustafakibar
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thanks

@estebgonza
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Thank's !

@samritbk
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Thanks.

@JavaSparker
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Hello,
I try to execute Spark-submit from Angular post http and given problem CROS:

Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://185.28.5.2:4200' is therefore not allowed access.

Any help plaise

@arterzatij
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@JavaSparker no problem with the following configuration

            BasicConfigurator.configure();
	
	Spark.staticFiles.location("/assets");
	Spark.staticFiles.header("Access-Control-Allow-Origin", "*");
	
	options("/*", (req, res) -> {
		String accessControlRequestHeaders = req.headers("Access-Control-Request-Headers");
		if (accessControlRequestHeaders != null) {
			res.header("Access-Control-Allow-Headers", accessControlRequestHeaders);
		}

		String accessControlRequestMethod = req.headers("Access-Control-Request-Method");
		if (accessControlRequestMethod != null) {
			res.header("Access-Control-Allow-Methods", accessControlRequestMethod);
		}

        return "OK";
	});

	before((req, res) -> {
		res.header("Access-Control-Allow-Origin", "*");
		res.header("Access-Control-Allow-Headers", "*");
		res.type("application/json");
	});

@liamweldon
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ilysm

@vaghi
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vaghi commented May 29, 2019

Love you! haha

@activated
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thanks!

@chiquito83
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Thank you :)

@saravanasksk
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thanks it's working

@TheFlemoid
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Thank you!!!

@J0sueTM
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J0sueTM commented Oct 5, 2022

thanks

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