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Thread: OSX 10.7.4 / Java / Crashing browsers when in webmail

  1. #1
    Join Date
    Jun 2010
    Rep Power

    Default OSX 10.7.4 / Java / Crashing browsers when in webmail

    Release 7.2.0_GA_2669.UBUNTU10_64 UBUNTU10_64 NETWORK edition, Patch 7.2.0_P1.

    On OSX 10.7.4 systems running any browser and the latest version of java from apple, whenever a user logs into webmail, it crashes the browser or the tab zimbra is running. Whats odd is that it will even crash the admin tab of zimbra if i have that open in Chrome as well, even though the admin area of zimbra worked fine before opening an account. This issue doesnt happen with all accounts, but it appears to happen with most. Especially ones with calendar reminders for the day, though i havent isolated it to just that.


    I have enabled the java console window while logging into webmail and the following error is shown:

    Java Plug-in 1.6.0_33
    Using JRE version 1.6.0_33-b03-424-11M3720 Java HotSpot(TM) 64-Bit Server VM
    User home directory = /Users/macscr

    java.lang.ClassFormatError: Truncated class file
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader. java:631)
    at java.lang.ClassLoader.defineClass( :615)
    at sun.plugin2.applet.Applet2ClassLoader.findClass(Ap
    at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(P
    at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Pl
    at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Pl
    at java.lang.ClassLoader.loadClass( 47)
    at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Plu
    at sun.plugin2.applet.Plugin2Manager.createApplet(Plu
    at sun.plugin2.applet.Plugin2Manager$AppletExecutionR
    Exception: java.lang.ClassFormatError: Truncated class file

    This crashing problem of the browser with zimbra webmail is repeatable on Firefox, Chrome and Safari on my mac. Most home user are using Safari and are having the issue as well. I can confirm that java appears to be working fine with other web based applications that use java.
    Last edited by MACscr; 07-13-2012 at 08:04 PM. Reason: added zimbra version

  2. #2
    Join Date
    Dec 2008
    San Rafael, CA
    Rep Power


    This is confirmed. Having the same issues with mostly Firefox =>v12.x on Mac OS =>10.6.x. Some cases Chrome, too.
    Getting error that Java 1.6 or higher needs to be installed.
    This is a serious bug.
    Last edited by bmw; 08-22-2012 at 10:45 AM.

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