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    Exception in thread "main" java.io.NotSerializableException: java.util.Hashtable$Enumerator at java.io.ObjectOutputStream.writeObject0(Unknown Source) at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source) at java.io.ObjectOutputStream.writeSe

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java.io.NotSerializableException: gherkin.TagExpression	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1180)	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1528)	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493)	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1416)	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:346)	at org.jboss.arquillian.test.spi.ExceptionProxy.writeExternal(ExceptionProxy.java:227)	at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1443)	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1414)	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1528)	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493)	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1416)	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:346)	at org.jboss.arquillian.protocol.servlet.runner.ServletTestRunner.writeObject(ServletTestRunner.java:229)	at org.jboss.arquillian.protocol.servlet.runner.ServletTestRunner.executeTest(ServletTestRunner.java:163)	at org.jboss.arquillian.protocol.servlet.runner.ServletTestRunner.execute(ServletTestRunner.java:126)	at org.jboss.arquillian.protocol.servlet.runner.ServletTestRunner.doGet(ServletTestRunner.java:90)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:62)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50)	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:372)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:679)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:931)	at java.lang.Thread.run(Thread.java:722)