访问某页面时，出现了这个异常:

  1. java.lang.IllegalArgumentException: Wildcard string cannot be null or empty. Make sure permission strings are properly formatted.
  2. 	at org.apache.shiro.authz.permission.WildcardPermission.setParts(WildcardPermission.java:154)
  3. 	at org.apache.shiro.authz.permission.WildcardPermission.<init>(WildcardPermission.java:143)
  4. 	at org.apache.shiro.authz.permission.WildcardPermission.<init>(WildcardPermission.java:139)
  5. 	at org.apache.shiro.authz.permission.WildcardPermissionResolver.resolvePermission(WildcardPermissionResolver.java:41)
  6. 	at org.apache.shiro.realm.AuthorizingRealm.resolvePermissions(AuthorizingRealm.java:434)
  7. 	at org.apache.shiro.realm.AuthorizingRealm.getPermissions(AuthorizingRealm.java:410)
  8. 	at org.apache.shiro.realm.AuthorizingRealm.isPermitted(AuthorizingRealm.java:468)
  9. 	at org.apache.shiro.realm.AuthorizingRealm.isPermitted(AuthorizingRealm.java:463)
  10. 	at org.apache.shiro.realm.AuthorizingRealm.isPermitted(AuthorizingRealm.java:458)
  11. 	at org.apache.shiro.authz.ModularRealmAuthorizer.isPermitted(ModularRealmAuthorizer.java:223)
  12. 	at org.apache.shiro.mgt.AuthorizingSecurityManager.isPermitted(AuthorizingSecurityManager.java:113)
  13. 	at org.apache.shiro.subject.support.DelegatingSubject.isPermitted(DelegatingSubject.java:158)
  14. 	at org.apache.shiro.web.tags.PermissionTag.isPermitted(PermissionTag.java:66)
  15. 	at org.apache.shiro.web.tags.HasPermissionTag.showTagBody(HasPermissionTag.java:32)
  16. 	at org.apache.shiro.web.tags.PermissionTag.onDoStartTag(PermissionTag.java:57)
  17. 	at org.apache.shiro.web.tags.SecureTag.doStartTag(SecureTag.java:53)
  18. 	at org.apache.jsp.WEB_002dINF.view.common.sysPermission.sysPermission_jsp._jspx_meth_shiro_005fhasPermission_005f0(sysPermission_jsp.java:486)
  19. 	at org.apache.jsp.WEB_002dINF.view.common.sysPermission.sysPermission_jsp._jspService(sysPermission_jsp.java:147)
  20. 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
  21. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
  22. 	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
  23. 	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
  24. 	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
  25. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
  26. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  27. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  28. 	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
  29. 	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
  30. 	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
  31. 	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
  32. 	at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:168)
  33. 	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
  34. 	at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1244)
  35. 	at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1027)
  36. 	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971)
  37. 	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
  38. 	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
  39. 	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)
  40. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
  41. 	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
  42. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
  43. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  44. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  45. 	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
  46. 	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
  47. 	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
  48. 	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
  49. 	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
  50. 	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
  51. 	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
  52. 	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
  53. 	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
  54. 	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
  55. 	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
  56. 	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
  57. 	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
  58. 	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
  59. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  60. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  61. 	at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
  62. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  63. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  64. 	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85)
  65. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  66. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  67. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  68. 	at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:107)
  69. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  70. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  71. 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  72. 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  73. 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
  74. 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
  75. 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  76. 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
  77. 	at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:879)
  78. 	at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:617)
  79. 	at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1778)
  80. 	at java.lang.Thread.run(Thread.java:745)

　　

查看一下WildcardPermission.java源代码:

  1.   protected void setParts(String wildcardString, boolean caseSensitive) {
  2.         wildcardString = StringUtils.clean(wildcardString);
  3.         if(wildcardString != null && !wildcardString.isEmpty()) {
  4.             List parts = CollectionUtils.asList(wildcardString.split(":"));
  5.             this.parts = new ArrayList();
  6.             Iterator i$ = parts.iterator();
  7.  
  8.             while(i$.hasNext()) {
  9.                 String part = (String)i$.next();
  10.                 Set subparts = CollectionUtils.asSet(part.split(","));
  11.                 if(!caseSensitive) {
  12.                     subparts = this.lowercase(subparts);
  13.                 }
  14.  
  15.                 if(subparts.isEmpty()) {
  16.                     throw new IllegalArgumentException("Wildcard string cannot contain parts with only dividers. Make sure permission strings are properly formatted.");
  17.                 }
  18.  
  19.                 this.parts.add(subparts);
  20.             }
  21.  
  22.             if(this.parts.isEmpty()) {
  23.                 throw new IllegalArgumentException("Wildcard string cannot contain only dividers. Make sure permission strings are properly formatted.");
  24.             }
  25.         } else {
  26.             throw new IllegalArgumentException("Wildcard string cannot be null or empty. Make sure permission strings are properly formatted.");
  27.         }
  28.     }

　　因为不留神将空值插入到权限信息中，结果抛出以上异常。

去掉空值后正常。

java.lang.IllegalArgumentException: Wildcard string cannot be null or empty. Make sure permission strings are properly formatted.at org.apache.shiro.authz.permission.WildcardPermission.setParts(WildcardPermission.java:154)at org.apache.shiro.authz.permission.WildcardPermission.<init>(WildcardPermission.java:143)at org.apache.shiro.authz.permission.WildcardPermission.<init>(WildcardPermission.java:139)at org.apache.shiro.authz.permission.WildcardPermissionResolver.resolvePermission(WildcardPermissionResolver.java:41)at org.apache.shiro.realm.AuthorizingRealm.resolvePermissions(AuthorizingRealm.java:434)at org.apache.shiro.realm.AuthorizingRealm.getPermissions(AuthorizingRealm.java:410)at org.apache.shiro.realm.AuthorizingRealm.isPermitted(AuthorizingRealm.java:468)at org.apache.shiro.realm.AuthorizingRealm.isPermitted(AuthorizingRealm.java:463)at org.apache.shiro.realm.AuthorizingRealm.isPermitted(AuthorizingRealm.java:458)at org.apache.shiro.authz.ModularRealmAuthorizer.isPermitted(ModularRealmAuthorizer.java:223)at org.apache.shiro.mgt.AuthorizingSecurityManager.isPermitted(AuthorizingSecurityManager.java:113)at org.apache.shiro.subject.support.DelegatingSubject.isPermitted(DelegatingSubject.java:158)at org.apache.shiro.web.tags.PermissionTag.isPermitted(PermissionTag.java:66)at org.apache.shiro.web.tags.HasPermissionTag.showTagBody(HasPermissionTag.java:32)at org.apache.shiro.web.tags.PermissionTag.onDoStartTag(PermissionTag.java:57)at org.apache.shiro.web.tags.SecureTag.doStartTag(SecureTag.java:53)at org.apache.jsp.WEB_002dINF.view.common.sysPermission.sysPermission_jsp._jspx_meth_shiro_005fhasPermission_005f0(sysPermission_jsp.java:486)at org.apache.jsp.WEB_002dINF.view.common.sysPermission.sysPermission_jsp._jspService(sysPermission_jsp.java:147)at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:168)at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1244)at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1027)at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971)at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85)at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:107)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:879)at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:617)at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1778)at java.lang.Thread.run(Thread.java:745)

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