yFiles AJAX version 2.2 is the newest major release available. (See also the entire yFiles AJAX change log.)
UpdateServlet#setDefaultEdgeRealizer(EdgeRealizer)
was not used in UpdateServlet#createEdge(Graph2D,Node,Node,int)
.ysvg.jar
, batik.jar
) bundled with a previous yFiles AJAX release (ySVG 2.4 uses Batik 1.7, while ySVG 2.5 uses Batik 1.8).