Ошибка

ФайлБару что-то не понравилось.
Зачастую это может произойти по причине того, что вы обратились к несуществующему объекту
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Тип ошибки: class java.lang.StringIndexOutOfBoundsException   String index out of range: -1

java.lang.String.substring(String.java:1938)
com.ikeen.filebar.web.FilesController.parse(FilesController.java:170)
com.ikeen.filebar.web.FilesController.download(FilesController.java:43)
com.ikeen.filebar.web.FilesController.handleRequest(FilesController.java:163)
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:809)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)
javax.servlet.http.HttpServlet.service(Unknown Source)
javax.servlet.http.HttpServlet.service(Unknown Source)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)
org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)
org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)
org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)
org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source)
org.apache.catalina.core.StandardContextValve.invoke(Unknown Source)
org.apache.catalina.core.StandardHostValve.invoke(Unknown Source)
org.apache.catalina.valves.ErrorReportValve.invoke(Unknown Source)
org.apache.catalina.valves.AccessLogValve.invoke(Unknown Source)
org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source)
org.apache.catalina.connector.CoyoteAdapter.service(Unknown Source)
org.apache.coyote.http11.Http11AprProcessor.process(Unknown Source)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Unknown Source)
org.apache.tomcat.util.net.AprEndpoint$Worker.run(Unknown Source)
java.lang.Thread.run(Thread.java:619)