When I run my project on Tomcat server, it shows this error:
Error loading theme, cannot find "theme.css" resource of "primefaces-start" library
Here's the stack trace:
javax.servlet.ServletException: Error loading theme, cannot find "theme.css" resource of "primefaces-start" library
javax.faces.webapp.FacesServlet.service(FacesServlet.java:321)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
root cause
javax.faces.FacesException: Error loading theme, cannot find "theme.css" resource of "primefaces-start" library
org.primefaces.renderkit.HeadRenderer.encodeTheme(HeadRenderer.java:130)
org.primefaces.renderkit.HeadRenderer.encodeBegin(HeadRenderer.java:92)
javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:824)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:1641)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:1646)
com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:389)
com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:127)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:117)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:135)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:309)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
How is this caused and how can I solve it?
Best Answer
This just means that the
primefaces-start
theme isn't being installed in the webapp.As per the PrimeFaces themes homepage, you need to install it via either an additional Maven
pom.xml
entry, or if you're not using Maven, by manually downloading the theme JAR file from PrimeFaces repository in Maven.The PrimeFaces start theme is available here, the currently latest version is 1.0.10. So just grab the JAR over there, the start-1.0.10.jar and drop it in
/WEB-INF/lib
folder the usual way.