Cannot start jbpm on http://localhost:8080/business-central

I am a student trying to learn jbpm. Teacher wont help me, so this is my only hope. I have installed java 13. Server starts, but with some errors. after i type “http://localhost:8080/business-central” i get a error 404. Here is only the error (last) part of the log since the whole thing has more than … Continue reading “Cannot start jbpm on http://localhost:8080/business-central”

usbdeviceconnection bulktransfer is negative 1 for second time data transfer

I am working on an application which needs data communication between Android phone and Camera. Android phone and camera connected via usb. I can read and write data first time with bulkTransfer(),but cannot read or write next time. I am getting negative 1 when I try to send data second time. I also tried with … Continue reading “usbdeviceconnection bulktransfer is negative 1 for second time data transfer”