Test failed due to compilation failed, JTextComponent doesn't create drop locations with null bias.

bug summary: Compilation failed.Tests that JTextComponent doesn't create drop locations with null bias.

Testsuite name: swing-reg
JDK/JRE tested: jdk-7-ea-bin-b110-windows-i586-16_sep_2010.exe
OS/architecture: x86
Reproducible: Always
Reproducible on machine: winxp-i586
Is it a platform specific regression: N
Is it a Regression: Y
Regression introduced in release/build: jdk-7-ea-bin-b101-windows-i586-15_jul_2010.exe
Test result on FCS: No fcs for JDK 1.7.0.
Test run log location: http://jsqalab.sfbay.sun.com/results/Evergreen/7/1.7.0b110/swing/winxppro-sp3-i586/
Steps to reproduce:
Steps to reproduce:
1. Install test bundle JDK7b110 from http://jre.sfbay/java/re/jdk/7/promoted/ea/b110/bundles/windows-i586/ to c:/jdk1.7.0
2. Install Jtreg from http://jre.sfbay.sun.com/java/re/jtreg/3.2.2_03/promoted/latest/binaries/jtreg/
To c:/ws/reg/jct3.2
3. Download and unzip ws from
http://hg.openjdk.java.net/jdk7/swing/jdk
4. Modify the reg_swing.sh as:
c:/ws/reg/jct3.2/win32/bin/jtreg -cpa:c:/ws/reg/test -g -v -m -jdk:c:/jdk1.7.0 -r:c:/ws/reg/results/reportdir -w:c:/ws/reg/results/workdir c:/ws/reg/test
5. Make printer work fine
6. From command line, run "ksh reg_swing.sh "
7. After Jtreg launched, choose testlist filter:
            closed/javax/swing/DataTransfer/6456844
8. Choose keyword and mark it as manual

instruction:

actual behavior:
test failed automaticlly.
Compilation failed.Tests that JTextComponent doesn't create drop locations with null bias.

verify:
None.