Error Page

The application encountered an unexpected error.

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Exception
Classjava.lang.NullPointerException
Messagenull
java.lang.NullPointerException
	at com.ospyn.cor.service.AttachmentServiceImpl.resolveBasePathBasedOnDocumentType(AttachmentServiceImpl.java:229)
	at com.ospyn.cor.service.AttachmentServiceImpl.generatePath(AttachmentServiceImpl.java:217)
	at com.ospyn.cor.service.AttachmentServiceImpl.getAttachmentsDetail(AttachmentServiceImpl.java:109)
	at sun.reflect.GeneratedMethodAccessor436.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:319)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
	at com.sun.proxy.$Proxy341.getAttachmentsDetail(Unknown Source)
	at com.ospyn.eu.att.page.AttachmentsPage.download(AttachmentsPage.java:104)
	at com.ospyn.eu.att.page.AttachmentsPage.onGet(AttachmentsPage.java:55)
	at org.apache.click.ClickServlet.performOnPostOrGet(ClickServlet.java:776)
	at org.apache.click.ClickServlet.processPageEvents(ClickServlet.java:610)
	at org.apache.click.ClickServlet.processPage(ClickServlet.java:561)
	at org.apache.click.ClickServlet.handleRequest(ClickServlet.java:383)
	at org.apache.click.ClickServlet.doGet(ClickServlet.java:276)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.ospyn.core.filter.StaticContentCacheFilter.doFilter(StaticContentCacheFilter.java:51)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	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$1.call(AbstractShiroFilter.java:365)
	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
	at com.ospyn.nano.web.config.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:106)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:333)
	at org.apache.catalina.ha.session.JvmRouteBinderValve.invoke(JvmRouteBinderValve.java:218)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1760)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1719)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)

Page
Classnamecom.ospyn.eu.att.page.AttachmentsPage
Path/eu/att/attachments.htm

Request
Attributesanon.FILTERED=true
shiroFilter.FILTERED=true
Auth Typenull
Context Path
Headersaccept=text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
accept-encoding=x-gzip, gzip, deflate
host=ktu.edu.in
user-agent=CCBot/2.0 (http://commoncrawl.org/faq/)
x-forwarded-for=54.161.217.24
x-forwarded-proto=https
Querydownload=file&id=794277
MethodGET
Parametersdownload=file
id=794277
Remote Usernull
URI/eu/att/attachments.htm
URLhttp://ktu.edu.in/eu/att/attachments.htm
Session