Swing_AllComponents/Manual/LAFTests/JFileChooserLAFTest hung during capturing picture.

Testsuite name:swing funcation.
JDK/JRE tested: jdk-8u11-ea-windows-x64.exe(jdk8u11b05)
Reproducible: Always
Reproducible on machine:win7-sp1-x64
Test run log location:
http://sqeweb.us.oracle.com/net/sqenfs-2/export2/results/evergreen/results24/8u11/b05/swing/win7-sp1-x64/results_rerun3/ResultDir/JFileChooserLAFTest/JFileChooserLAFTest.log

Steps to reproduce:
1.Clone the swing functional workspace
1a. hg clone http://sqe-hg.us.oracle.com/hg/index.cgi/testbase/javase/functional/8 C:/swing-fun/8
1b. cd C:/swing-fun/8/
1c. hg clone http://sqe-hg.us.oracle.com/hg/index.cgi/testbase/javase/functional/8/swing
2.Install stable bundle JDK7u45b18 from http://jre.us.oracle.com/java/re/jdk/7_45/promoted/all/b18/bundles/windows-x64/jdk-7u45-windows-x64.exe to C:/jck/Java/jdk1.7.0_45
3.Install base bundle JDK8u11b04 from http://jre.us.oracle.com/java/re/jdk/8u11/promoted/all/b04/bundles/windows-x64/jdk-8u11-ea-windows-x64.exe to C:/Java/jdk1.8.0_11_b04
4. Install test bundle JDK8u11b05 from http://jre.us.oracle.com/java/re/jdk/8u11/promoted/all/b05/bundles/windows-x64/jdk-8u11-ea-windows-x64.exe to C:/Java/jdk1.8.0_11
5.Download the demo from http://jre.us.oracle.com/java/re/jdk/8u11/promoted/all/b05/bundles/windows-x64/jdk-8u11-ea-windows-amd64-demos.zip and unzip it to C:/Java/jdk1.8.0_11
6. Install ute from attachment locate at C:/swing-fun
7. Create result_dir at C:/swing-fun/results
8.Create the testlist in the C:/swing-fun/8/swing/testlist/testlist.Swing_All_Manual as:
Swing_AllComponents/Manual/LAFTests/JFileChooserLAFTest execute_script "manual"
9. Modify the test_swing.sh as:
C:/swing-fun/ute/ute run -harness tonga -env TONGA_JAR=C:/swing-fun/ute/tool/tonga/tonga4.0.jar -env KEYWORDS=manual -env BASEBUILD=C:/Java/jdk1.8.0_11_b04 -env STABLE_JAVA_HOME="C:/jck/Java/jdk1.7.0_45" -component swing -jdk "C:/Java/jdk1.8.0_11" -testlist C:/swing-fun/8/swing/testlist/testlist.Swing_All_Manual -testbase C:/swing-fun/8/swing/ -results C:/swing-fun/results
10. Go to C:/swing-fun, and run the command : bash test_swing.sh
11.Run the test Swing_AllComponents/Manual/LAFTests/JFileChooserLAFTest

Actual behavior:
This case is hung during capturing picture,we must to kill the process to continue next one.

validation:
ubuntu13.04-x86/jdk8u11b04(32bit), passed
solaris11-x64/jdk8u11b04(64bit), passed