Application Error

Return
Error Message: null
java.lang.NullPointerException
	at Sedar.dbConnection.close(dbConnection.java:28)
	at jsp_servlet.__sedar_workshops._jspService(__sedar_workshops.java:343)
	at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:242)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:216)
	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:132)
	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:338)
	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:221)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3284)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3254)
	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
	at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:57)
	at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2163)
	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2089)
	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2074)
	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1513)
	at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:254)
	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
	at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)