nodejs
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‎lib/internal/http2/compat.js‎
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+2Lines changed: 2 additions & 0 deletions b/Collapse file
‎lib/internal/http2/compat.js‎
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+2Lines changed: 2 additions & 0 deletions
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‎test/parallel/test-http2-compat-serverresponse-end-after-statuses-without-body.js‎
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‎test/parallel/test-http2-compat-serverresponse-end-after-statuses-without-body.js‎
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+47Lines changed: 47 additions & 0 deletions
@@ -377,6 +377,8 @@ function onStreamCloseResponse() {
   state.closed = true;
 
   this[kProxySocket] = null;
+
+  this.removeListener('wantTrailers', onStreamTrailersReady);
   this[kResponse] = undefined;
 
   res.emit('finish');
 
@@ -0,0 +1,47 @@
+'use strict';
+
+const common = require('../common');
+if (!common.hasCrypto)
+  common.skip('missing crypto');
+const h2 = require('http2');
+
+// This test case ensures that calling of res.end after sending
+// 204, 205 and 304 HTTP statuses will not cause an error
+// See issue: https://github.com/nodejs/node/issues/21740
+
+const {
+  HTTP_STATUS_NO_CONTENT,
+  HTTP_STATUS_RESET_CONTENT,
+  HTTP_STATUS_NOT_MODIFIED
+} = h2.constants;
+
+const statusWithouBody = [
+  HTTP_STATUS_NO_CONTENT,
+  HTTP_STATUS_RESET_CONTENT,
+  HTTP_STATUS_NOT_MODIFIED,
+];
+const STATUS_CODES_COUNT = statusWithouBody.length;
+
+const server = h2.createServer(common.mustCall(function(req, res) {
+  res.writeHead(statusWithouBody.pop());
+  res.end();
+}, STATUS_CODES_COUNT));
+
+server.listen(0, common.mustCall(function() {
+  const url = `http://localhost:${server.address().port}`;
+  const client = h2.connect(url, common.mustCall(() => {
+    let responseCount = 0;
+    const closeAfterResponse = () => {
+      if (STATUS_CODES_COUNT === ++responseCount) {
+        client.destroy();
+        server.close();
+      }
+    };
+
+    for (let i = 0; i < STATUS_CODES_COUNT; i++) {
+      const request = client.request();
+      request.on('response', common.mustCall(closeAfterResponse));
+    }
+
+  }));
+}));