soapUI 5.6.0. java.lang.NoSuchMethodError with Java12

I got same issue when deploying mock as a .war to a tomcat on another host. Tried to change xmlbeans to 3.0.2 , 4.0.0, 3.1.0. Issue still was present.

So with xmlbeans-3.1.0.jar tomcat throw following exception:

javax.servlet.ServletException: Servlet.init() for servlet [SoapUIMockServlet] threw exception
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:835)

Root Cause 
java.lang.NoSuchMethodError: org.apache.xmlbeans.XmlOptionsBean.isLoadDTDGrammar()Z
	org.apache.xmlbeans.impl.common.SAXHelper.saxFactory(SAXHelper.java:70)
	org.apache.xmlbeans.impl.common.SAXHelper.newXMLReader(SAXHelper.java:46)
	org.apache.xmlbeans.impl.store.Locale.getSaxLoader(Locale.java:3066)
	org.apache.xmlbeans.impl.store.Locale.parseToXmlObject(Locale.java:1272)
	org.apache.xmlbeans.impl.store.Locale.parseToXmlObject(Locale.java:1259)
	org.apache.xmlbeans.impl.schema.SchemaTypeLoaderBase.parse(SchemaTypeLoaderBase.java:345)
	com.eviware.soapui.config.SoapuiActionsDocumentConfig$Factory.parse(SoapuiActionsDocumentConfig.java:71)
	com.eviware.soapui.support.action.SoapUIActionRegistry.addConfig(SoapUIActionRegistry.java:142)
	com.eviware.soapui.support.action.SoapUIActionRegistry.<init>(SoapUIActionRegistry.java:136)
	com.eviware.soapui.DefaultSoapUICore.initActionRegistry(DefaultSoapUICore.java:584)
	com.eviware.soapui.DefaultSoapUICore.getActionRegistry(DefaultSoapUICore.java:576)
	com.eviware.soapui.DefaultSoapUICore.loadPlugins(DefaultSoapUICore.java:166)
	com.eviware.soapui.DefaultSoapUICore.init(DefaultSoapUICore.java:145)
	com.eviware.soapui.DefaultSoapUICore.<init>(DefaultSoapUICore.java:126)
	com.eviware.soapui.mockaswar.MockAsWarServlet$MockServletSoapUICore.<init>(MockAsWarServlet.java:317)
	com.eviware.soapui.mockaswar.MockAsWarServlet.init(MockAsWarServlet.java:71)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:835)

When I changed xmlbeans-3.1.0.jar to xmlbeans-4.0.0.jar, then tomcat throw following exception:

javax.servlet.ServletException: Servlet.init() for servlet [SoapUIMockServlet] threw exception
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:835)

Root Cause
java.lang.NoSuchMethodError: org.apache.xmlbeans.XmlOptions.getUseSameLocale()Ljava/lang/Object;
	org.apache.xmlbeans.impl.store.Locale.getLocale(Locale.java:124)
	org.apache.xmlbeans.impl.store.Locale.newInstance(Locale.java:458)
	org.apache.xmlbeans.impl.schema.SchemaTypeLoaderBase.newInstance(SchemaTypeLoaderBase.java:129)
	com.eviware.soapui.config.SoapuiSettingsDocumentConfig$Factory.newInstance(SoapuiSettingsDocumentConfig.java:45)
	com.eviware.soapui.DefaultSoapUICore.initSettings(DefaultSoapUICore.java:253)
	com.eviware.soapui.DefaultSoapUICore.init(DefaultSoapUICore.java:141)
	com.eviware.soapui.DefaultSoapUICore.<init>(DefaultSoapUICore.java:126)
	com.eviware.soapui.mockaswar.MockAsWarServlet$MockServletSoapUICore.<init>(MockAsWarServlet.java:317)
	com.eviware.soapui.mockaswar.MockAsWarServlet.init(MockAsWarServlet.java:71)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.base/java.lang.Thread.run(Thread.java:835)