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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.

Solutions on the web

via Icesoft by cjurado, 1 year ago
For input string: "chapterName"
via Google Groups by ArcticFox, 2 years ago
For input string: "chapterName"
via Coderanch by Vladimir Razov, 1 year ago
via Jenkins JIRA by Orgad Shaneh, 1 year ago
via Spring JIRA by Brett Hall, 1 year ago
java.lang.NumberFormatException: For input string: "chapterName"	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:153)	at javax.el.ArrayELResolver.getValue(ArrayELResolver.java:45)	at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54)	at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)	at org.apache.el.parser.AstValue.getValue(AstValue.java:118)	at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)	at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)	at javax.faces.component.UIOutput.getValue(UIOutput.java:184)	at com.icesoft.faces.renderkit.dom_html_basic.OutputTextRenderer.encodeEnd(OutputTextRenderer.java:59)	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:861)	at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:370)	at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:365)	at com.icesoft.faces.component.ext.renderkit.TableRenderer.encodeChildren(TableRenderer.java:836)	at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:517)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:522)	at com.icesoft.faces.facelets.D2DFaceletViewHandler.renderResponse(D2DFaceletViewHandler.java:282)	at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:153)	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)	at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:19)	at com.icesoft.faces.context.View$2$1.respond(View.java:48)	at com.icesoft.faces.webapp.http.servlet.ServletRequestResponse.respondWith(ServletRequestResponse.java:201)	at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet$ThreadBlockingRequestResponse.respondWith(ThreadBlockingAdaptingServlet.java:36)	at com.icesoft.faces.context.View$2.serve(View.java:76)	at com.icesoft.faces.context.View.servePage(View.java:139)	at com.icesoft.faces.webapp.http.core.SingleViewServer.service(SingleViewServer.java:52)	at com.icesoft.faces.webapp.http.common.ServerProxy.service(ServerProxy.java:11)	at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet$4.service(MainSessionBoundServlet.java:114)	at com.icesoft.faces.webapp.http.common.standard.PathDispatcherServer.service(PathDispatcherServer.java:24)	at com.icesoft.faces.webapp.http.servlet.MainSessionBoundServlet.service(MainSessionBoundServlet.java:160)	at com.icesoft.faces.webapp.http.servlet.SessionDispatcher$1.service(SessionDispatcher.java:42)	at com.icesoft.faces.webapp.http.servlet.ThreadBlockingAdaptingServlet.service(ThreadBlockingAdaptingServlet.java:19)	at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63)	at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:62)	at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23)	at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:153)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)	at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:706)	at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:677)	at org.apache.jsp.index_jsp._jspService(index_jsp.java:58)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)	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:293)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)	at java.lang.Thread.run(Thread.java:619)