JDK-7156918 : REGRESSION: applicatoin hangs with 7u4 b09 while trying to establish the connection through java
  • Type: Bug
  • Component: deploy
  • Sub-Component: plugin
  • Affected Version: 7u4
  • Priority: P2
  • Status: Closed
  • Resolution: Fixed
  • OS: windows_7
  • CPU: x86
  • Submitted: 2012-03-26
  • Updated: 2013-12-16
  • Resolved: 2012-04-04
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7u4Resolved 8 b33Fixed
Related Reports
Relates :  
J2SE Version (please include all output from java -version flag):

7u4 b17

Does this problem occur on J2SE 6ux or 7ux?  Yes / No (pick one)
no it works fine with 7u6 on both IE and FF

Operating System Configuration Information (be specific):

Windows XP, 7, Vista with all IE version(6-9)

Bug Description:

While submitting a preformat code in Payments screen, the application 
is getting hanged.  The issue is not happening in Jre 17U4 build 6 and below.

It starts with Jre 7U4 b10 and above including the latest build 17 provided
yesterday. The issue is happening only in IE and not in Mozilla Firefox

The request is not hitting the web-server and it hangs while trying 
to establish the connection through Java.

Steps to Replicate the Issue after installing Jre 7U4 build 17:

check comment field

Attached log files takend for jre 7u4 b06(Working case) and jre 7u4 b17 and 6u32 b03(Nonworking case). Attached the console logs, trace logs, plugin logs and the client logs.

Verified fix using b120

EVALUATION we determined that the hang is caused by change: 7131316: 20ms latency always observed for LiveConnect round-trip in IE webrev of orig fix: http://sa.sfbay.sun.com/projects/deployment_data/8/7131316.0/ for now, we will back out the above fix. a new CR will be filed to re-fix the performance enhancement.

EVALUATION confirmed bug is there since 7u4 b09, and is caused by this change: 7131316: 20ms latency always observed for LiveConnect round-trip in IE backing out the above fix will make the problem go away. but the fix is performance escalation from customer - need to better understand the performance fix and see if we can change it to work for this case too.

EVALUATION confirmed the problematic behavior: After I click "submit all", a new window titled "Processing..." with a progress bar saying "Processing request 1" pops up, and this is a modal window. From now on, nothing proceeds further anymore. And that progress window cannot be dismissed with any clicks. Only way out is to kill the browser process. I can reproduce on win7 32-bit, IE 9. attached is applet client and browser jvm thread dump.

PUBLIC COMMENTS customer had provided information