rich:tooltip causes NPE with null value --------------------------------------- Key: RF-12661 URL: https://issues.jboss.org/browse/RF-12661 Project: RichFaces Issue Type: Bug Security Level: Public(Everyone can see) Components: component-output Affects Versions: 4.2.2.Final Reporter: Raimundas Maknys Priority: Minor Fix For: 5-Tracking rich:tooltip with null value causes NullPointerException: {code} Caused by: java.lang.NullPointerException at org.richfaces.renderkit.html.TooltipRenderer.encodeContentBegin(TooltipRenderer.java:135) at org.richfaces.renderkit.html.TooltipRenderer.doEncodeBegin(TooltipRenderer.java:127) at org.richfaces.renderkit.RendererBase.encodeBegin(RendererBase.java:115) at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:585) at javax.faces.component.UIComponentBase.encodeAll(UIComponentBase.java:515) at org.richfaces.renderkit.RendererBase.renderChildren(RendererBase.java:276) ........... {code} Proposed solution: {code:title=org.richfaces.renderkit.html.TooltipRenderer|borderStyle=solid} 130 private void encodeContentBegin(ResponseWriter writer, FacesContext context, AbstractTooltip tooltip) throws IOException { 131 writer.startElement(getMarkupElement(tooltip), tooltip); 132 writer.writeAttribute(ID_ATTRIBUTE, tooltip.getClientId(context) + ":content", null); 133 writer.writeAttribute(CLASS_ATTRIBUTE, "rf-tt-cnt", null); 134 if (tooltip.getChildCount() == 0) { - 135 writer.write(tooltip.getValue().toString()); + 135 writer.write(tooltip.getValue() != null ? tooltip.getValue().toString() : ""); 136 } 137 } {code}