steps to reproduce

1. Load a zul within a normal project with zkspring-security and zk 8.0.0

actual result

SEVERE:
org.zkoss.util.IllegalSyntaxException: <config-name> is required ([null:jar:file:/Users/hawk/.m2/repository/org/zkoss/zk/zkspring-security/3.1.1/zkspring-security-3.1.1.jar!/metainfo/tld/config.xml:14:9]).
at org.zkoss.idom.util.IDOMs.getRequiredElementValue(IDOMs.java:79)
at org.zkoss.util.resource.ClassLocator$XMLResource.<init>(ClassLocator.java:141)
at org.zkoss.util.resource.ClassLocator$XMLResource.<init>(ClassLocator.java:120)
at org.zkoss.util.resource.ClassLocator.getDependentXMLResources(ClassLocator.java:79)
at org.zkoss.xel.taglib.Taglibs.getDefaultTLDs(Taglibs.java:324)
at org.zkoss.xel.taglib.Taglibs.getDefaultURL(Taglibs.java:308)
at org.zkoss.web.servlet.dsp.impl.Parser$Context.loadTaglib(Parser.java:512)
at org.zkoss.web.servlet.dsp.impl.Parser$Context.access$500(Parser.java:465)
at org.zkoss.web.servlet.dsp.impl.Parser.parseControl(Parser.java:208)
at org.zkoss.web.servlet.dsp.impl.Parser.parse0(Parser.java:105)
at org.zkoss.web.servlet.dsp.impl.Parser.parse(Parser.java:68)
at org.zkoss.web.servlet.dsp.Interpreter.parse(Interpreter.java:87)
at org.zkoss.web.util.resource.DspExtendlet$DspLoader.parse(DspExtendlet.java:152)
at org.zkoss.web.util.resource.DspExtendlet$DspLoader.parse(DspExtendlet.java:137)
at org.zkoss.web.util.resource.ExtendletLoader.load(ExtendletLoader.java:109)
at org.zkoss.web.util.resource.ExtendletLoader.load(ExtendletLoader.java:41)
at org.zkoss.util.resource.ResourceCache$Info.load(ResourceCache.java:227)
at org.zkoss.util.resource.ResourceCache$Info.<init>(ResourceCache.java:202)
at org.zkoss.util.resource.ResourceCache.get(ResourceCache.java:134)
at org.zkoss.web.util.resource.DspExtendlet.service(DspExtendlet.java:80)
at org.zkoss.web.util.resource.ClassWebResource.web0(ClassWebResource.java:585)
at org.zkoss.web.util.resource.ClassWebResource.web(ClassWebResource.java:571)
at org.zkoss.web.util.resource.ClassWebResource.service(ClassWebResource.java:262)
at org.zkoss.web.util.resource.ClassWebResource$CWC.include(ClassWebResource.java:811)
at org.zkoss.zk.ui.http.WcsExtendlet.service(WcsExtendlet.java:112)
at org.zkoss.web.util.resource.ClassWebResource.web0(ClassWebResource.java:585)
at org.zkoss.web.util.resource.ClassWebResource.web(ClassWebResource.java:571)
at org.zkoss.web.util.resource.ClassWebResource.service(ClassWebResource.java:262)
at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:427)
...

• cannot load all style sheets

  SEVERE: Failed to parse /zul/css/norm.css.dsp
  java.io.FileNotFoundException: http://www.zkoss.org/dsp/web/core
  at org.zkoss.web.servlet.dsp.impl.Parser$Context.loadTaglib(Parser.java:514)
  at org.zkoss.web.servlet.dsp.impl.Parser$Context.access$500(Parser.java:465)
  at org.zkoss.web.servlet.dsp.impl.Parser.parseControl(Parser.java:208)
  at org.zkoss.web.servlet.dsp.impl.Parser.parse0(Parser.java:105)
  at org.zkoss.web.servlet.dsp.impl.Parser.parse(Parser.java:68)
  at org.zkoss.web.servlet.dsp.Interpreter.parse(Interpreter.java:87)
  at org.zkoss.web.util.resource.DspExtendlet$DspLoader.parse(DspExtendlet.java:152)

• cannot use taglib

  org.zkoss.xel.XelException: Resource not found: http://www.zkoss.org/dsp/web/core
  at org.zkoss.xel.util.TaglibMapper.load(TaglibMapper.java:108)
  at org.zkoss.xel.util.TaglibMapper.load(TaglibMapper.java:93)
  at org.zkoss.xel.taglib.Taglibs.getFunctionMapper(Taglibs.java:133)
  at org.zkoss.xel.taglib.Taglibs.getFunctionMapper(Taglibs.java:109)
  at org.zkoss.zk.ui.metainfo.PageDefinition.getTaglibMapper(PageDefinition.java:888)
  at org.zkoss.zk.ui.metainfo.PageDefinition.preInit(PageDefinition.java:927)
  at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:422)
  at org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:358)
  at org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:217)
  at org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:136)

Root Cause

Specification change of config.xml since ZK 8.
<config-name> is a new, required element.
See: http://books.zkoss.org/wiki/ZUML_Reference/ZUML/Processing_Instructions/taglib/Custom_Taglib#Solving_config.xml_Dependence

Solution

add <config-name>zkspring-security</config-name> in config.xml of zkspring-security