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/**
* Tests that when a node restarts during initial sync before it can clone the FCV document, it is
* still able to start up successfully and restart initial sync.
*
* This test asserts a certain FCV is cloned through initial sync.
* @tags: [multiversion_incompatible]
*/
(function() {
load("jstests/libs/fail_point_util.js");
rst = new ReplSetTest({nodes: 1});
rst.startSet();
rst.initiate();
jsTestLog("Adding a second node to the replica set.");
const adminDbName = "admin";
const versionCollName = "system.version";
const nss = adminDbName + "." + versionCollName;
// Hang initial sync before cloning the FCV document.
let secondary = rst.add({rsConfig: {priority: 0, votes: 0}});
let failPoint = configureFailPoint(secondary,
'hangBeforeClonerStage',
{cloner: 'CollectionCloner', stage: 'count', namespace: nss});
rst.reInitiate();
failPoint.wait();
jsTestLog("Restarting secondary in the early stages of initial sync.");
rst.restart(secondary);
rst.awaitSecondaryNodes();
// Get the new secondary connection.
secondary = rst.getSecondary();
secondary.setSlaveOk(true);
const secondaryAdminDb = secondary.getDB("admin");
// Assert that the FCV document was cloned through initial sync on the secondary.
checkFCV(secondaryAdminDb, latestFCV);
rst.stopSet();
}());
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