Windchill PDMLink で Java をバージョン 11.0.20.8.1 に更新した後、サーバー マネージャーが起動できない

C:\ptc\Windchill_12.0\Windchill\bin>windchill start
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/tools/ant/BuildListener
        at wt.manager.ServerLauncher.startServerReturningProcess(ServerLauncher.java:124)
        at wt.manager.ServerLauncher.startServer(ServerLauncher.java:105)
        at wt.manager.ServerLauncher.main(ServerLauncher.java:559)
Caused by: java.lang.ClassNotFoundException: org.apache.tools.ant.BuildListener
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:527)
        ... 3 more