各位有知道怎么解决的吗
javax.servlet.ServletException:org.springframework.web.util.NestedServletException: 请求处理失败；嵌套异常是 java.lang.IllegalArgumentException: 通配符字符串不能为 null 或为空。确保权限字符串的格式正确。
javax.servlet.ServletException: org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.IllegalArgumentException: Wildcard string cannot be null or empty. Make sure permission strings are properly formatted.
at org.eclipse.jetty.server.handler.HandlerCollection.handle (HandlerCollection.java:162)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:127)
at org.eclipse.jetty.server.Server.handle (Server.java:516)
at org.eclipse.jetty.server.HttpChannel.lambda$handle$1 (HttpChannel.java:388)
at org.eclipse.jetty.server.HttpChannel.dispatch (HttpChannel.java:633)
at org.eclipse.jetty.server.HttpChannel.handle (HttpChannel.java:380)
at org.eclipse.jetty.server.HttpConnection.onFillable (HttpConnection.java:273)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded (AbstractConnection.java:311)
at org.eclipse.jetty.io.FillInterest.fillable (FillInterest.java:105)
at org.eclipse.jetty.io.ChannelEndPoint$1.run (ChannelEndPoint.java:104)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask (EatWhatYouKill.java:336)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce (EatWhatYouKill.java:313)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce (EatWhatYouKill.java:171)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run (EatWhatYouKill.java:129)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run (ReservedThreadExecutor.java:375)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:773)
at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run (QueuedThreadPool.java:905)
at java.lang.Thread.run (Thread.java:748)
错误提示，你调用了某个方法，传递的参数值为空导致异常。
做什么操作报这个错误呢？