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java.lang.reflect.InvocationTargetException
	at sun.reflect.GeneratedMethodAccessor101.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at com.forumdeitroll.servlets.MainServlet.doDo(MainServlet.java:196)
	at com.forumdeitroll.servlets.MainServlet.doGetPost(MainServlet.java:83)
	at com.forumdeitroll.servlets.MainServlet.doGet(MainServlet.java:73)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.forumdeitroll.filters.MainFilter.doFilter(MainFilter.java:83)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.NullPointerException
	at com.forumdeitroll.persistence.sql.GenericSQLPersistence.getAuthor(GenericSQLPersistence.java:414)
	at com.forumdeitroll.persistence.sql.GenericSQLPersistence.getMessages(GenericSQLPersistence.java:1378)
	at com.forumdeitroll.persistence.sql.GenericSQLPersistence.getMessage(GenericSQLPersistence.java:370)
	at com.forumdeitroll.persistence.sql.GenericSQLPersistence.getThreadsByLastPost(GenericSQLPersistence.java:205)
	at com.forumdeitroll.servlets.Threads.getThreadsByLastPost(Threads.java:123)
	... 23 more

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