The applet can be loaded but some exceptions will be thrown in java console

Testsuite:set2 in applet
Test name(s):bodo_Puzzle
Product(s) tested:Jre8u60b19 32bit
OS/architecture:Win8.1-x64
Reproducible: Always
Reproducible on machine:egtc

Is it a Regression: Yes

[If Regression] Regression introduced in release/build:Jre8u45b02 + 32bit + Win8.1-x64 + IE11
Jre8u51b14 + 32bit + Win8.1-x64 + IE11: Pass
Jre8u51b10 + 32bit + Win8.1-x64 + IE11: Pass
Jre8u51b08 + 32bit + Win8.1-x64 + IE11: Pass
Jre8u51b07+ 32bit + Win8.1-x64 + IE11: Failed as the same issue.
Jre8u51b06+ 32bit + Win8.1-x64 + IE11: Failed as the same issue.
Jre8u51b05+ 32bit + Win8.1-x64 + IE11: Failed as the same issue.
Jre8u51b01+ 32bit + Win8.1-x64 + IE11: Failed as the same issue.
Jre8u47b09 + 32bit + Win8.1-x64 + IE11: Failed as the same issue.
Jre8u45b15 + 32bit + Win8.1-x64 + IE11: Failed as the same issue.
Jre8u45b03 + 32bit + Win8.1-x64 + IE11: Failed as the same issue.
Jre8u45b02 + 32bit + Win8.1-x64 + IE11: Failed as the same issue.
Jre8u45b01 + 32bit + Win8.1-x64 + IE11: Pass.
Jre8u40b01 + 32bit + Win8.1-x64 + IE11: Pass.

Test result on the last GAed release for this train: Pass (Jre8u51b14+ 32bit + Win8.1-x64 + IE11)

[if Fail] Test result on FCS: Pass (Jre1.8.0_b132 + 32bit + Win8.1-x64 + IE11)

Is it a platform specific issue: No
 1) Jre8u60b19 + 32bit + Mac10.10-Safari8: Failed as the same issue.
 2) Jre8u60b19 + 32bit + Oel6.4-x86-FF38: Failed as the same issue.

Exception/Error from Log:http://scaaa008.us.oracle.com:9502/runs/00966/966733.ManualSubmit/966733.ManualSubmit-1/workDir/set2/bodo_Puzzle.jtr

Copy applet workspace,install test jre,and run this case

Test Procedure:
1. Add http://www.bodo.com to ESL.
2. Browse http://www.bodo.com/Applets/puzzle/index.html
3. The puzzle applet should be loaded
4. Review the Instructions if desired
5. Play/Solve the puzzle and test all available features, functionality
6. Check the Java Console for errors/warnings
7. Close all applet/browser windows to terminate the applet

The actual result:The applet can be loaded but some exceptions will be thrown in java console.Please refer to puzzle.png and puzzle.txt