349964 - Iterating over window.Packages halts JavaScript execution, even in "try" block

Status: RESOLVED WORKSFORME

(Core :: JavaScript Engine, defect)

Description

[Jesse Ruderman]

Steps to reproduce:
  javascript: try { for (j in Packages) ; } catch(e) { alert(1); } alert(2);

Result: 
  No alerts.  Some console output appears.

Expected:
  At least a "2" alert.

Might be related to bug 344804, which mrbkap recently fixed.

Comment 1

[Jesse Ruderman]

MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
initialization error: Can't load class netscape/javascript/JSObject
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
MRJ Plugin JEP: JavaScript-to-Java LiveConnect failed -- no security manager!
initialization error: Can't load class java/lang/Object
LiveConnect was unable to reflect one or more components of the Java runtime.
Go to http://bugzilla.mozilla.org/show_bug.cgi?id=5369 for details.

Comment 2

[Jesse Ruderman]

WFM on Leopard/Intel and Leopard/PPC.  I tested debug mozilla-central builds.

After a few seconds, two alerts appear, which is reasonable.