Error
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Specific Error Message:
java.lang.NullPointerException: null
    at java.lang.StringBuffer.(StringBuffer.java:104)
    at com.kanisa.apps.common.ViewDocumentValidationCache.getMapKey(ViewDocumentValidationCache.java:81)
    at com.kanisa.apps.common.ViewDocumentValidationCache.getValidationCode(ViewDocumentValidationCache.java:46)
    at com.kanisa.apps.common.ViewDocumentValidator.getDocViewCode(ViewDocumentValidator.java:84)
    at com.kanisa.apps.common.ViewDocumentValidator.getDocViewCode(ViewDocumentValidator.java:71)
    at com.kanisa.action.doc.ViewDocContent.execute(ViewDocContent.java:41)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
    at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at com.kanisa.web.LanguageFilter.doFilter(LanguageFilter.java:62)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at com.kanisa.filters.microsite.MicrositeFilter.doFilter(MicrositeFilter.java:218)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at com.kanisa.filters.security.SecurityFilter.doFilter(SecurityFilter.java:261)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at com.macrovision.filters.security.MacrovisionSelfServiceSecurityFilter.doFilter(MacrovisionSelfServiceSecurityFilter.java:139)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at com.kanisa.filters.xss.XSSFilter.doFilter(XSSFilter.java:47)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:541)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
    at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833)
    at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639)
    at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285)
    at java.lang.Thread.run(Thread.java:595)