org.apache.jasper.JasperException: PWC6033: Unable to compile class for JSP about game-of-life HOT 8 OPEN

 <plugin>
                <groupId>org.eclipse.jetty</groupId>
                <artifactId>jetty-maven-plugin</artifactId>
                <version>9.3.0.v20150612</version>
                <configuration>
                    <scanIntervalSeconds>10</scanIntervalSeconds>
                    <httpConnector>
                        <port>${jetty.port}</port>
                        <idleTimeout>60000</idleTimeout>
                    </httpConnector>
                    <stopKey>foo</stopKey>
                    <stopPort>${jetty.stop.port}</stopPort>
                </configuration>
            </plugin>

--- a/gameoflife-web/src/main/webapp/WEB-INF/jsp/home.jsp
+++ b/gameoflife-web/src/main/webapp/WEB-INF/jsp/home.jsp
@@ -96,20 +96,5 @@
     <a href="${newGamePage}">New Game</a>
 </div>

-<%
-    InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("/system.properties");
-    Properties prop = new Properties();
-    String appVersion = "";
-    if (inputStream != null) {
-        try {
-            prop.load(inputStream);
-            appVersion = prop.getProperty("app.version");
-        } catch (IOException ioe) {
-            ioe.printStackTrace();
-        }
-    }
-%>
-<div class="footer">Game Of Life version <%=appVersion%>
-</div>
 </body>
 </html>

HTTP ERROR 500
Problem accessing /. Reason:
PWC6033: Unable to compile class for JSP
PWC6199: Generated servlet error:
The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from required .class files

PWC6197: An error occurred at line: 109 in the jsp file: /WEB-INF/jsp/home.jsp
PWC6199: Generated servlet error:
appVersion cannot be resolved

Caused by:

org.apache.jasper.JasperException: PWC6033: Unable to compile class for JSP

PWC6199: Generated servlet error:
The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from required .class files

PWC6197: An error occurred at line: 109 in the jsp file: /WEB-INF/jsp/home.jsp
PWC6199: Generated servlet error:
appVersion cannot be resolved


    at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:123)
    at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:296)
    at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:376)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:437)
    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:608)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:360)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:527)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:423)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:493)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:924)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:358)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:860)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:346)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:115)
    at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:238)
    at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1060)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:798)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:527)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:423)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:493)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:924)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:358)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:860)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:245)
    at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:113)
    at org.eclipse.jetty.server.Server.handle(Server.java:335)
    at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:588)
    at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1029)
    at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:549)
    at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:211)
    at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:418)
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:476)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:436)
    at java.lang.Thread.run(Thread.java:745)