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https://issues.apache.org/jira/browse/CB-9102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Iñaki Baz Castillo updated CB-9102:
-----------------------------------
Comment: was deleted
(was: Anybody there?)
> Crash when using a iOS Cordova plugin within a WebSocket event
> --------------------------------------------------------------
>
> Key: CB-9102
> URL: https://issues.apache.org/jira/browse/CB-9102
> Project: Apache Cordova
> Issue Type: Bug
> Components: iOS
> Affects Versions: 3.8.0
> Reporter: Iñaki Baz Castillo
> Labels: ios, plugin, websocket
>
> I've coded a cordova plugin for iOS. It is exported as a JavaScript object
> with multiple functions in `window.cordova.plugins.iosrtc`.
> If I use any of those exported functions within the callback of a WebSocket
> event (onopen, onmessage, etc), the plugin/app usually crashes:
> {code}
> Process 2326 stopped
> * thread #1: tid = 0x94ce5, 0x2e267474
> WebCore`WebCore::NavigationScheduler::schedule(std::__1::unique_ptr<WebCore::ScheduledNavigation,
> std::__1::default_delete<WebCore::ScheduledNavigation> >) + 276, queue =
> 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
> frame #0: 0x2e267474
> WebCore`WebCore::NavigationScheduler::schedule(std::__1::unique_ptr<WebCore::ScheduledNavigation,
> std::__1::default_delete<WebCore::ScheduledNavigation> >) + 276
> WebCore`WebCore::NavigationScheduler::schedule:
> -> 0x2e267474 <+276>: ldr r2, [r0]
> 0x2e267476 <+278>: ldr r3, [r2, #0x10]
> 0x2e267478 <+280>: mov r2, r10
> 0x2e26747a <+282>: blx r3
> (lldb)
> error: No auto repeat.
> (lldb) list
> 30 {
> 31 @autoreleasepool {
> 32 int retVal = UIApplicationMain(argc, argv, nil,
> @"AppDelegate");
> 33 return retVal;
> 34 }
> 35 }
> (lldb) bt
> * thread #1: tid = 0x94ce5, 0x2e267474
> WebCore`WebCore::NavigationScheduler::schedule(std::__1::unique_ptr<WebCore::ScheduledNavigation,
> std::__1::default_delete<WebCore::ScheduledNavigation> >) + 276, queue =
> 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
> * frame #0: 0x2e267474
> WebCore`WebCore::NavigationScheduler::schedule(std::__1::unique_ptr<WebCore::ScheduledNavigation,
> std::__1::default_delete<WebCore::ScheduledNavigation> >) + 276
> frame #1: 0x2e26769e
> WebCore`WebCore::NavigationScheduler::scheduleLocationChange(WebCore::SecurityOrigin*,
> WebCore::URL const&, WTF::String const&, WebCore::LockHistory,
> WebCore::LockBackForwardList) + 498
> frame #2: 0x2de00c20 WebCore`WebCore::DOMWindow::setLocation(WTF::String
> const&, WebCore::DOMWindow&, WebCore::DOMWindow&,
> WebCore::SetLocationLocking) + 172
> frame #3: 0x2e22b0e2 WebCore`WebCore::Location::setHref(WTF::String
> const&, WebCore::DOMWindow&, WebCore::DOMWindow&) + 86
> frame #4: 0x2e03c5d6
> WebCore`WebCore::JSDOMWindow::setLocation(JSC::ExecState*, JSC::JSValue) + 142
> frame #5: 0x2daad47e WebCore`WebCore::JSDOMWindow::put(JSC::JSCell,
> JSC::ExecState, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) + 446
> frame #6: 0x231a3436 JavaScriptCore`JSC::JSProxy::put(JSC::JSCell,
> JSC::ExecState, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) + 54
> frame #7: 0x23199fc0 JavaScriptCore`llint_slow_path_put_by_id + 404
> frame #8: 0x233ca3ce JavaScriptCore`llint_entry + 9694
> {code}
> Sometimes it produces a different error:
> {code}
> 2015-06-01 15:29:17.810 cordovaIosrtcDemo[2298:602476] DiskCookieStorage
> changing policy from 2 to 0, cookie file:
> file:///private/var/mobile/Containers/Data/Application/3588C109-5F97-4E5F-83EA-36165871ACC3/Library/Cookies/Cookies.binarycookies
> 2015-06-01 15:29:18.083 cordovaIosrtcDemo[2298:602476] Apache Cordova native
> platform version 3.8.0 is starting.
> 2015-06-01 15:29:18.083 cordovaIosrtcDemo[2298:602476] Multi-tasking ->
> Device: YES, App: YES
> 2015-06-01 15:29:18.088 cordovaIosrtcDemo[2298:602476] Unlimited access to
> network resources
> 2015-06-01 15:29:18.277 cordovaIosrtcDemo[2298:602476] iosrtcPlugin#init()
> 2015-06-01 15:29:18.325 cordovaIosrtcDemo[2298:602476]
> PluginGetUserMedia#init()
> 2015-06-01 15:29:18.326 cordovaIosrtcDemo[2298:602476]
> [CDVTimer][iosrtcplugin] 55.085003ms
> 2015-06-01 15:29:18.326 cordovaIosrtcDemo[2298:602476]
> [CDVTimer][TotalPluginStartup] 55.342019ms
> 2015-06-01 15:29:18.967 cordovaIosrtcDemo[2298:602476] Resetting plugins due
> to page load.
> 2015-06-01 15:29:19.432 cordovaIosrtcDemo[2298:602476] Finished load of:
> file:///private/var/mobile/Containers/Bundle/Application/90A5F156-4893-490C-B608-A7D3715F379D/cordovaIosrtcDemo.app/www/index.html
> Process 2298 stopped
> * thread #8: tid = 0x931b5, 0x21e410e8 CoreFoundation`CFRelease + 1268, name
> = 'WebThread', stop reason = EXC_BREAKPOINT (code=EXC_ARM_BREAKPOINT,
> subcode=0xdefe)
> frame #0: 0x21e410e8 CoreFoundation`CFRelease + 1268
> CoreFoundation`CFRelease:
> -> 0x21e410e8 <+1268>: trap
> 0x21e410ea <+1270>: trap
> CoreFoundation`_CFAllocatorDeallocateGC:
> 0x21e410ec <+0>: push {r4, r7, lr}
> 0x21e410ee <+2>: mov r4, r1
> {code}
> IMPORTANT: If I run a setTimeout within the WebSocket event and run the
> plugin function inside it, the app DOES NOT crash.
> It may be related to https://issues.apache.org/jira/browse/CB-2301
> NOTE: This issue is NOT about sleep/resume at all as it happens immediately
> when I open the app and a WebSocket connects.
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