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  1. ,

    You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

  2. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

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For input string: "14000000000000000"
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For input string: ""
java.lang.NumberFormatException: For input string: "poNumber"	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)	at java.lang.Integer.parseInt(Integer.java:449)	at java.lang.Integer.parseInt(Integer.java:499)	at javax.el.ArrayELResolver.coerce(ArrayELResolver.java:166)	at javax.el.ArrayELResolver.getValue(ArrayELResolver.java:46)	at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:67)	at org.apache.el.parser.AstValue.getValue(AstValue.java:169)	at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:189)	at org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:985)	at org.apache.jsp.WEB_002dINF.jsp.srcAssetProjectCostSource_jsp._jspx_meth_c_005fout_005f0(srcAssetProjectCostSource_jsp.java:958)	at org.apache.jsp.WEB_002dINF.jsp.srcAssetProjectCostSource_jsp._jspx_meth_c_005fforEach_005f0(srcAssetProjectCostSource_jsp.java:926)	at org.apache.jsp.WEB_002dINF.jsp.srcAssetProjectCostSource_jsp._jspService(srcAssetProjectCostSource_jsp.java:673)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)	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.doPost(FrameworkServlet.java:560)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:394)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)	at java.lang.Thread.run(Thread.java:619)