Hello there,
we face an exception thrown sometimes in our application.
we were not able to reconstruct it.
maybe someone can give us a hint.
Caused by: java.lang.NullPointerException: null
java.lang.String.compareTo(String.java:1167)
java.lang.String.compareTo(String.java:92)
java.util.Arrays.mergeSort(Arrays.java:1144)
java.util.Arrays.sort(Arrays.java:1079)
com.sun.faces.renderkit.RenderKitUtils.renderPassThruAttributesOptimized(RenderKitUtils.java:529)
com.sun.faces.renderkit.RenderKitUtils.renderPassThruAttributes(RenderKitUtils.java:365)
com.sun.faces.renderkit.html_basic.ImageRenderer.encodeEnd(ImageRenderer.java:106)
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:861)
org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:281)
org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258)
org.ajax4jsf.renderkit.AjaxCommandRendererBase.encodeChildren(AjaxCommandRendererBase.java:95)
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
javax.faces.component.UIComponent.encodeAll(UIComponent.java:930)
It seems to be a problem rendering an image component. In the RenderKitUtils there's something happening like:
private static void renderPassThruAttributesOptimized(ResponseWriter writer,
UIComponent component,
String[] knownAttributes,
List<String> setAttributes)
throws IOException {
String[] attributes = setAttributes.toArray(new String[setAttributes.size()]);
Arrays.sort(attributes);
...
What preconditions have to be met to cause this exception?
