Installation SoapUI 5.6.0无法在Ubuntu 20.04 LTS上安装

在Ubuntu 20.04 LTS上执行SoapUI-x64-5.6.0.sh脚本会导致以下故障：

Starting Installer ...
java.lang.NoClassDefFoundError: Could not initialize class java.awt.Container
    at com.install4j.runtime.installer.frontend.headless.AbstractHeadlessScreenExecutor.init(AbstractHeadlessScreenExecutor.java:68)
    at com.install4j.runtime.installer.frontend.headless.ConsoleScreenExecutor.<init>(ConsoleScreenExecutor.java:24)
    at com.install4j.runtime.installer.frontend.headless.InstallerConsoleScreenExecutor.<init>(InstallerConsoleScreenExecutor.java:6)
    at com.install4j.runtime.installer.Installer.getScreenExecutor(Installer.java:88)
    at com.install4j.runtime.installer.Installer.runInProcess(Installer.java:57)
    at com.install4j.runtime.installer.Installer.main(Installer.java:45)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:85)
    at com.install4j.runtime.launcher.UnixLauncher.main(UnixLauncher.java:62)
An error occurred:
java.lang.NoClassDefFoundError: Could not initialize class java.awt.Container
Error log: /tmp/install4jError9197831081773222366.log
java.lang.NoClassDefFoundError: Could not initialize class java.awt.Container
    at com.install4j.runtime.installer.frontend.headless.AbstractHeadlessScreenExecutor.init(AbstractHeadlessScreenExecutor.java:68)
    at com.install4j.runtime.installer.frontend.headless.ConsoleScreenExecutor.<init>(ConsoleScreenExecutor.java:24)
    at com.install4j.runtime.installer.frontend.headless.InstallerConsoleScreenExecutor.<init>(InstallerConsoleScreenExecutor.java:6)
    at com.install4j.runtime.installer.Installer.getScreenExecutor(Installer.java:88)
    at com.install4j.runtime.installer.Installer.runInProcess(Installer.java:57)
    at com.install4j.runtime.installer.Installer.main(Installer.java:45)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:85)
    at com.install4j.runtime.launcher.UnixLauncher.main(UnixLauncher.java:62)

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解决方案是使用以下命令执行SoapUI-x64-5.6.0.sh脚本：

./SoapUI-x64-5.6.0.sh -J-Djava.awt.headless=true

---

这确实有助于运行安装，但现在软件本身无法启动。。

./SoapUI-x64-5.6.0.sh -J-Djava.awt.headless=true