异常记录-JSONException

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今天碰到一个异常，没结构开始没看仔细，以为是程序报了一堆异常；结果后面一看是json的异常，那一大堆都是打印的信息，不是异常，以后要认真一些。

net.sf.json.JSONException: A JSONArray text must start with '[' at character 1 of <html><head><title>Apache Tomcat/6.0.28 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - </h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u></u></p><p><b>description</b> <u>The server encountered an internal error () that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>javax.servlet.ServletException: Servlet execution threw an exception     org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:378)     org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)     org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)     org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)     org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:101)     org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)     org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)     org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:277)     org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)      org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:175)     org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236)     org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)     org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)     org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)</pre></p><p><b>note</b> <u>The full stack trace of the root cause is available in the Apache Tomcat/6.0.28 logs.</u></p><HR size="1" noshade="noshade"><h3>Apache Tomcat/6.0.28</h3></body></html>     at net.sf.json.util.JSONTokener.syntaxError(JSONTokener.java:512)     at net.sf.json.JSONArray._fromJSONTokener(JSONArray.java:1144)