[TIMOB-15087] iOS7: Method Cache Corrupted

GitHub Issue	n/a
Type	Bug
Priority	High
Status	Closed
Resolution	Cannot Reproduce
Resolution Date	2013-10-02T21:54:30.000+0000
Affected Version/s	Release 3.1.3
Fix Version/s	2013 Sprint 20, 2013 Sprint 20 API
Components	iOS
Labels	ios7, mobilesdk, triage
Reporter	Nikhil N
Assignee	Sabil Rahim
Created	2013-09-08T06:36:13.000+0000
Updated	2017-03-21T22:33:31.000+0000

Description

PROBLEM DESCRIPTION

Upon opening a window which includes a webView the following errors are seen in the console and the app crashes.

LOG

[DEBUG] objc[35284]: Method cache corrupted. This may be a message to an invalid object, or a memory error somewhere else.
[DEBUG] objc[35284]: receiver 0xe592b10, SEL 0x43d3643, isa 0xf2f4a8, cache 0xf2f4b0, buckets 0xe9e74b, mask 0xb, occupied 0x0
[DEBUG] objc[35284]: receiver 32 bytes, buckets 0 bytes
[DEBUG] objc[35284]: selector 'release'
[DEBUG] objc[35284]: isa ''
[DEBUG] objc[35284]: Method cache corrupted.

TESTCASE

Here's the webview.js file

    var win = Ti.UI.createWindow();

    win.orientationModes= [Ti.UI.LANDSCAPE_LEFT,Ti.UI.LANDSCAPE_RIGHT,Ti.UI.PORTRAIT,Ti.UI.UPSIDE_PORTRAIT];

	var web = Ti.UI.createWebView({
		url: url,
		width: Ti.UI.FILL,
		height: Ti.UI.FILL,
		top: 0,
		left: 0
	});

		web.addEventListener('load', function() {
			win.setTitle(web.evalJS('document.title'));
		});

		web.addEventListener('error', function(e) {
			if(e.errorCode== -1003 || e.error == -1000 || e.error == -1006) al.add("That's one bad URL.");
			else alert(e.message)
		});

	win.add(web);

    return win;

The above is wrapped inside a module.exports. The calling window grabs the returned win object, and opens it as a child window in the active tab of a Tab Group.

Comments

Ingo Muschenetz 2013-09-09

Is this specifically an iOS 7 issue, or does it occur on previous versions?
Ingo Muschenetz 2013-09-10

Initial read by Sabil and Blain is that this is not a bug of ours, and not something to be immediately concerned with.
Nikhil N 2013-09-10

This doesn't seem to happen on iOS 6 (still using the aforementioned TiSDK). Although, I've narrowed this down further. If the url assigned to the webview is invalid (eg. not a valid NSURL), the above errors are thrown and the application crashes instantly.

Sabil Rahim 2013-10-02

This issue likely is a apple bug. I could not reproduce the issue with the invalid URL code used in testing.

   var win = Ti.UI.createWindow();
    
   win.orientationModes= [Ti.UI.LANDSCAPE_LEFT,Ti.UI.LANDSCAPE_RIGHT,Ti.UI.PORTRAIT,Ti.UI.UPSIDE_PORTRAIT];
    
   var web = Ti.UI.createWebView({
       url: "http://asdfasd.cc",
       width: Ti.UI.FILL,
       height: Ti.UI.FILL,
       top: 0,
       left: 0
   });
    
       web.addEventListener('load', function() {
           win.setTitle(web.evalJS('document.title'));
       });
    
       web.addEventListener('error', function(e) {
           if(e.errorCode== -1003 || e.error == -1000 || e.error == -1006) alert("That's one bad URL.");
           else alert(e.message)
       });
    
   win.add(web);
    
   win.open();

Sabil Rahim 2013-10-02

Unless we have a better reproducible test case, it would be hard for us to narrow down the bug here. with the testing that i have done. I cannot reproduce this issue.
Lee Morris 2017-03-21

Closing ticket as the issue cannot be reproduced and due to the above comments.

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