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# Application: Grbl Controller # Version: 2.1.2 (14) # Bundle Identifier: in.co.gorest.grblcontroller # Issue #: 112 # Issue ID: 5bc8033ef8b88c296337a57c # Session ID: 5A92A6430160000114B5466C2DE8FC48_DNE_0_v2 # Date: 2018-02-25T12:04:00Z # OS Version:...

Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.hardware.usb.UsbDeviceConnection.claimInterface(android.hardware.usb.UsbInterface, boolean)' on a null object reference at com.felhr.usbserial.CDCSerialDevice.openCDC(CDCSerialDevice.java:268) at com.felhr.usbserial.CDCSerialDevice.open(CDCSerialDevice.java:62) at in.co.gorest.grblcontroller.service.GrblUsbSerialService$ConnectionThread.run(GrblUsbSerialService.java:320)

Platform: android Application: Grbl Controller Version: 2.1.2 (14) Bundle Identifier: in.co.gorest.grblcontroller Issue : 64 Issue ID: 5a81483d8cb3c2fa63da1faa Session ID: 5A813A77028300014D6E426D4EA0C8B3_DNE_0_v2 Date: 2018-02-12T07:54:36Z OS Version: 7.1.1 Device: Galaxy J5(2016) RAM Free:...

#### in com.felhr.usbserial.UsbSerialDevice$WorkerThread.run Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.nio.ByteBuffer.isDirect()' on a null object reference at android.hardware.usb.UsbRequest.dequeue(UsbRequest.java:156) at android.hardware.usb.UsbDeviceConnection.requestWait(UsbDeviceConnection.java:230) at com.felhr.usbserial.UsbSerialDevice$WorkerThread.run(UsbSerialDevice.java:234)

Moto G (5) OS 7.0 Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'int android.hardware.usb.UsbDevice.getVendorId()' on a null object reference at com.felhr.usbserial.UsbSerialDevice.createUsbSerialDevice(UsbSerialDevice.java:68) at com.felhr.usbserial.UsbSerialDevice.createUsbSerialDevice(UsbSerialDevice.java:58) at in.co.gorest.grblcontroller.service.GrblUsbSerialService$ConnectionThread.run(GrblUsbSerialService.java:318)