OS:
Ubuntu

Environments:
Operating System: Ubuntu 24.04.1 LTS x64
Hardware Model: Xen HVM domU
Processor: Intel® Xeon® Silver 4210 × 8
Memory: 8 GiB
Windowing System: Wayland
Disk Capacity: 64 GB
LAF: N/A
Reproducible: Always

Failed on Release/Build: JDK_24_b27
Is it a Regression in JDK 24 release: N/A
[If Regression] Regression introduced in JDK 24 release/build: N/A
Test result on the last GAed release for this train: N/A
Is it a platform-specific issue: No. This issue happens on Linux. Not tested on Windows and MacOS yet.

General description of the problem:
The test case still display as instruction, the test frame is disappeared when clicking on the "Click Several Times" button.

Affected tests:
java/awt/textfield/setechochartest4/setechochartest4.java

Steps to reproduce:

 1. Run command:
#!/bin/sh -x
export JAVA_HOME=/home/ubuntu/Desktop/reg/jdk-24
export JT_HOME=/home/ubuntu/Desktop/reg/jtreg
export PATH=$PATH:$JAVA_HOME/bin:$JT_HOME/bin

jtreg \
-ignore:quiet \
-m \
-gui \
-e:WAYLAND_DISPLAY=wayland-0 \
-e:DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus \
-e:XDG_RUNTIME_DIR=/run/user/1000 \
-e:NO_AT_BRIDGE=1 \
-nativepath:/home/ubuntu/Desktop/reg/jdk/jtreg/native \
-exclude:/home/ubuntu/Desktop/reg/open/test/jdk/ProblemList.txt \
-testjdk:/home/ubuntu/Desktop/reg/jdk-24 \
-dir:/home/ubuntu/Desktop/reg/open/test/jdk \
-reportDir:results27/JTreport \
-workDir:results27/JTwork \
-timeoutHandlerDir:/home/ubuntu/Desktop/reg/failure_handler/jtregFailureHandler.jar \
-observerDir:/home/ubuntu/Desktop/reg/failure_handler/jtregFailureHandler.jar \
-timeoutHandler:jdk.test.failurehandler.jtreg.GatherProcessInfoTimeoutHandler \
-observer:jdk.test.failurehandler.jtreg.GatherDiagnosticInfoObserver \
-timeoutHandlerTimeout:0 \
/home/ubuntu/Desktop/reg/open/test/jdk/:jdk_desktop

2. Run test case "java/awt/textfield/setechochartest4/setechochartest4.java"
3. Type the first text field with * character.
4. Type the first text field with $ character.
5. Type the first text field with $ character.
6. Click on "Click Several times" button.

Expected behavior:
The test frame shouldn't disappear when clicking on the "Click Several Times" button

Actual behavior:
The test frame is disappeared when clicking on the "Click Several Times" button.
(Please refer the log file, the video were attached)

Any non-default VM flags:
 /home/ubuntu/Desktop/reg/jdk-24/bin/java \\
        -Dtest.vm.opts= \\
        -Dtest.tool.vm.opts= \\
        -Dtest.compiler.opts= \\
        -Dtest.java.opts= \\
        -Dtest.jdk=/home/ubuntu/Desktop/reg/jdk-24 \\
        -Dcompile.jdk=/home/ubuntu/Desktop/reg/jdk-24 \\
        -Dtest.timeout.factor=1.0 \\
        -Dtest.nativepath=/home/ubuntu/Desktop/reg/jdk/jtreg/native \\
        -Dtest.root=/home/ubuntu/Desktop/reg/open/test/jdk \\
        -Dtest.name=java/awt/TextField/SetEchoCharTest4/SetEchoCharTest4.java \\
        -Dtest.file=/home/ubuntu/Desktop/reg/open/test/jdk/java/awt/TextField/SetEchoCharTest4/SetEchoCharTest4.java \\
        -Dtest.src=/home/ubuntu/Desktop/reg/open/test/jdk/java/awt/TextField/SetEchoCharTest4 \\
        -Dtest.src.path=/home/ubuntu/Desktop/reg/open/test/jdk/java/awt/TextField/SetEchoCharTest4:/home/ubuntu/Desktop/reg/open/test/jdk/java/awt/regtesthelpers \\
        -Dtest.classes=/home/ubuntu/Desktop/reg/results27/JTwork/classes/java/awt/TextField/SetEchoCharTest4/SetEchoCharTest4.d \\
        -Dtest.class.path=/home/ubuntu/Desktop/reg/results27/JTwork/classes/java/awt/TextField/SetEchoCharTest4/SetEchoCharTest4.d:/home/ubuntu/Desktop/reg/results27/JTwork/classes/java/awt/regtesthelpers \\
        -Dtest.modules=java.desktop \\
        --add-modules java.desktop \\
        -Djava.library.path=/home/ubuntu/Desktop/reg/jdk/jtreg/native \\
        com.sun.javatest.regtest.agent.MainWrapper /home/ubuntu/Desktop/reg/results27/JTwork/java/awt/TextField/SetEchoCharTest4/SetEchoCharTest4.d/main.0.jta
result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Failure Reason: the test frame is disappeared when clicking on the "Click Several Times" button

test result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Failure Reason: the test frame is disappeared when clicking on the "Click Several Times" button