forked from docs/doc-exports
Chen, Junjie
dac566cf2f
Reviewed-by: Eotvos, Oliver <oliver.eotvos@t-systems.com> Co-authored-by: Chen, Junjie <chenjunjie@huawei.com> Co-committed-by: Chen, Junjie <chenjunjie@huawei.com>
53 lines
2.7 KiB
HTML
53 lines
2.7 KiB
HTML
<a name="functiongraph_03_0290"></a><a name="functiongraph_03_0290"></a>
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<h1 class="topictitle1">What If Error Code 500 Is Reported When Functions that Use APIG Triggers Return Strings?</h1>
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<div id="body1531290258837"><p id="functiongraph_03_0290__p8060118">Ensure that the function response for an invocation by API Gateway has been encapsulated and contains <strong id="functiongraph_03_0290__b19455174514110">body(String)</strong>, <strong id="functiongraph_03_0290__b1667914475113">statusCode(int)</strong>, <strong id="functiongraph_03_0290__b4406125115112">headers(Map)</strong>, and <strong id="functiongraph_03_0290__b164031155181119">isBase64Encoded(boolean)</strong>.</p>
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<p id="functiongraph_03_0290__p1090084184519">The following is an example response returned by a Node.js function that uses an APIG trigger:</p>
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<pre class="codeblock" id="functiongraph_03_0290__codeblock10483720468">exports.handler = function (event, context, callback) {
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const response = {
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'statusCode': 200,
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'isBase64Encoded': false,
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'headers': {
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"Content-type": "application/json"
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},
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'body': 'Hello, FunctionGraph with APIG',
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}
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callback(null, response);
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}</pre>
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<p id="functiongraph_03_0290__p15606846124613">The following is an example response returned by a Java function that uses an APIG trigger:</p>
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<pre class="codeblock" id="functiongraph_03_0290__codeblock1956123218486">import java.util.Map;
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public HttpTriggerResponse index(String event, Context context){
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String body = "<html><title>FunctionStage</title>"
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+ "<h1>This is a simple APIG trigger test</h1><br>"
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+ "<h2>This is a simple APIG trigger test</h2><br>"
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+ "<h3>This is a simple APIG trigger test</h3>"
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+ "</html>";
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int code = 200;
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boolean isBase64 = false;
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Map<String, String> headers = new HashMap<String, String>();
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headers.put("Content-Type", "text/html; charset=utf-8");
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return new HttpTriggerResponse(body, headers, code, isBase64);
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}
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class HttpTriggerResponse {
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private String body;
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private Map<String, String> headers;
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private int statusCode;
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private boolean isBase64Encoded;
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public HttpTriggerResponse(String body, Map<String,String> headers, int statusCode, boolean isBase64Encoded){
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this.body = body;
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this.headers = headers;
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this.statusCode = statusCode;
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this.isBase64Encoded = isBase64Encoded;
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}
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}</pre>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="functiongraph_03_0100.html">Trigger Management FAQs</a></div>
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</div>
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</div>
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