javax.faces.el.PropertyNotFoundException

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  • javax.faces.el.PropertyNotFoundException: javax.el.PropertyNotWritableException: /Konfigurator/konfiguratorBuild.jspx @157,23 visible="#{konfiguratorBean.selectionOutput!=null}": Illegal Syntax for Set Operation at javax.faces.component.ValueBindingValueExpressionAdapter.setValue(ValueBindingValueExpressionAdapter.java:156) at com.icesoft.faces.context.effects.CurrentStyle.decode(CurrentStyle.java:318) at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.decode(DomBasicRenderer.java:88) at com.icesoft.faces.component.ext.renderkit.GroupRenderer.decode(GroupRenderer.java:262) at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:789) at com.icesoft.faces.component.ext.HtmlPanelGroup.decode(HtmlPanelGroup.java:131) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1031) at javax.faces.component.UIForm.processDecodes(UIForm.java:208) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1026) at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:540) at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) at com.icesoft.faces.webapp.http.core.JsfLifecycleExecutor.apply(JsfLifecycleExecutor.java:18) at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.renderCycle(ReceiveSendUpdates.java:122) at com.icesoft.faces.webapp.http.core.ReceiveSendUpdates.service(ReceiveSendUpdates.java:73) at com.icesoft.faces.webapp.http.core.RequestVerifier.service(RequestVerifier.java:28) 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$1.service(SessionDispatcher.java:42) at com.icesoft.faces.webapp.http.servlet.JettyAdaptingServlet.service(JettyAdaptingServlet.java:29) at com.icesoft.faces.webapp.http.servlet.EnvironmentAdaptingServlet.service(EnvironmentAdaptingServlet.java:63) at com.icesoft.faces.webapp.http.servlet.SessionDispatcher.service(SessionDispatcher.java:62) at com.icesoft.faces.webapp.http.servlet.SessionVerifier.service(SessionVerifier.java:22) at com.icesoft.faces.webapp.http.servlet.PathDispatcher.service(PathDispatcher.java:23) at com.icesoft.faces.webapp.http.servlet.MainServlet.service(MainServlet.java:153) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.service(BlockingServlet.java:56) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:491) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1074) at filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:170) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1065) at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1065) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:185) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:689) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:391) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:146) at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:285) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:457) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:765) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:628) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:203) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:357) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:329) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475) Caused by: javax.el.PropertyNotWritableException: /Konfigurator/konfiguratorBuild.jspx @157,23 visible="#{konfiguratorBean.selectionOutput!=null}": Illegal Syntax for Set Operation at com.sun.facelets.el.TagValueExpression.setValue(TagValueExpression.java:98) at javax.faces.component.ValueBindingValueExpressionAdapter.setValue(ValueBindingValueExpressionAdapter.java:152) ... 51 more
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