377: 378: <% ArrayList images = screen.getRentableImages(rentable.getId()); %> 379: <% if(images.size()>1) { %> 380: <% for(Image image : images) { %> Stacktrace: at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:499) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:661) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:425) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:357) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:294) at com.extras.v4.servlets.simpleUrls.SimpleUrls.processRequest(Unknown Source) at com.extras.v4.servlets.simpleUrls.SimpleUrls.doGet(Unknown Source) at javax.servlet.http.HttpServlet.service(HttpServlet.java:529) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at com.extras.v4.filters.BlockFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:422) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1790) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:840) Caused by: java.lang.NullPointerException: Cannot invoke "com.jcraft.jsch.Session.openChannel(String)" because "com.extras.v4.util.sftp.SFTPSession.sftpSession" is null at com.extras.v4.util.sftp.SFTPSession.upload(Unknown Source) at com.extras.v4.util.sftp.SFTPFile.uploadFrom(Unknown Source) at com.extras.v4.shared.model.Image.getOrgUrl(Unknown Source) at com.extras.v4.shared.model.RentableImage.getOrgUrl(Unknown Source) at com.extras.v4.shared.model.Image.getOrgUrl(Unknown Source) at com.extras.v4.shared.model.rentable.Rentable.getImageUri(Unknown Source) at org.apache.jsp.v4.common.Rentable_jsp._jspService(Rentable_jsp.java:610) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466) ... 40 more