Exception in Main Process!!

java.lang.NullPointerException
	at net.winglo.core.db.ViewDB.fetchFromDB(ViewDB.java:148)
	at com.cnviking.game.fish.action.web.Index.perform(Index.java:24)
	at net.winglo.core.main.Main.process(Main.java:125)
	at net.winglo.boximpl.http.HttpMain.service(HttpMain.java:94)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:103)
	at com.caucho.server.http.FilterChainServlet.doFilter(FilterChainServlet.java:96)
	at com.caucho.server.http.Invocation.service(Invocation.java:315)
	at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
	at com.caucho.server.http.RunnerRequest.handleRequest(RunnerRequest.java:344)
	at com.caucho.server.http.RunnerRequest.handleConnection(RunnerRequest.java:274)
	at com.caucho.server.TcpConnection.run(TcpConnection.java:139)
	at java.lang.Thread.run(Thread.java:534)