[Webkit-unassigned] [Bug 180547] Message Handlers fail to call despite message being sent

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=180547

--- Comment #2 from Josh Hrach <josh.hrach at gmail.com> ---
Issue still happening on iOS 11.3.

Additionally, when clearing data, I'm getting some internal logging.

Here's how I'm deleting data:

===
let group = DispatchGroup()
group.enter()
WKWebsiteDataStore.default().fetchDataRecords(ofTypes: WKWebsiteDataStore.allWebsiteDataTypes()) { records in
       let companyRecords = records.filter({$0.displayName.contains("<companyNameHere>")})
       companyRecords.forEach { record in
           group.enter()
           WKWebsiteDataStore.default().removeData(ofTypes: record.dataTypes, for: [record], completionHandler: { group.leave() })
           print("[Webview] Record \(record) deleted")
       }
       group.leave()
       group.notify(queue: .main, execute: {
           print("Cookie records deleted.")
           self.callback(forSet: false)
       })
}
```

After deleting the single record found, I'm seeing this in console:

2018-04-27 10:42:12.552588-0700 WebKitScriptHandlerTest[4122:2151546] [logging] BUG IN CLIENT OF libsqlite3.dylib: database integrity compromised by API violation: vnode unlinked while in use: /private/var/mobile/Containers/Data/Application/3C1BBDA4-5994-41AE-B8B4-84B6BC6B6835/Library/WebKit/WebsiteData/LocalStorage/https_www.<company>.com_0.localstorage
2018-04-27 10:42:12.552701-0700 WebKitScriptHandlerTest[4122:2151546] [logging] invalidated open fd: 6 (0x11)
2018-04-27 10:42:12.553066-0700 WebKitScriptHandlerTest[4122:2151546] [logging] BUG IN CLIENT OF libsqlite3.dylib: database integrity compromised by API violation: vnode unlinked while in use: /private/var/mobile/Containers/Data/Application/3C1BBDA4-5994-41AE-B8B4-84B6BC6B6835/Library/WebKit/WebsiteData/LocalStorage/https_www.<company>.com_0.localstorage-wal
2018-04-27 10:42:12.553133-0700 WebKitScriptHandlerTest[4122:2151546] [logging] invalidated open fd: 7 (0x11)
2018-04-27 10:42:12.553644-0700 WebKitScriptHandlerTest[4122:2151546] [logging] BUG IN CLIENT OF libsqlite3.dylib: database integrity compromised by API violation: vnode unlinked while in use: /private/var/mobile/Containers/Data/Application/3C1BBDA4-5994-41AE-B8B4-84B6BC6B6835/Library/WebKit/WebsiteData/LocalStorage/https_www.<company>.com_0.localstorage-shm
2018-04-27 10:42:12.553707-0700 WebKitScriptHandlerTest[4122:2151546] [logging] invalidated open fd: 8 (0x11)

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