500 Servlet Exception

java.lang.NullPointerException
	at com.myniko.news.database.ResinDataPool.executeQuery(ResinDataPool.java:42)
	at com.myniko.news.indexNews.seeNews.hengXiang(seeNews.java:1535)
	at _jsp._jsp._hengxiang__html._jspService(jsp/hengxiang.html:76)
	at com.caucho.jsp.JavaPage.service(JavaPage.java:61)
	at com.caucho.jsp.Page.pageservice(Page.java:577)
	at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:190)
	at com.caucho.server.webapp.DispatchFilterChain.doFilter(DispatchFilterChain.java:97)
	at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:226)
	at com.caucho.server.webapp.RequestDispatcherImpl.include(RequestDispatcherImpl.java:488)
	at com.caucho.server.webapp.RequestDispatcherImpl.include(RequestDispatcherImpl.java:353)
	at com.caucho.jsp.PageContextImpl.include(PageContextImpl.java:957)
	at _jsp._index__html._jspService(index.html:185)
	at com.caucho.jsp.JavaPage.service(JavaPage.java:61)
	at com.caucho.jsp.Page.pageservice(Page.java:577)
	at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:190)
	at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:167)
	at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:226)
	at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:263)
	at com.caucho.server.port.TcpConnection.run(TcpConnection.java:477)
	at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:591)
	at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:513)
	at java.lang.Thread.run(Thread.java:595)