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by mamech
Wed Nov 29, 2017 2:56 am
Forum: Troubleshooting
Topic: Raspbian Stretch Desktop mode problem in headless install
Replies: 2
Views: 1069

Raspbian Stretch Desktop mode problem in headless install

Hello I have downloaded stretch image from the site here and I followed some instructions about headless setup (I created ssh file and wpa_supplicant.conf), and I could log into raspberry pi using putty. Until this point things are great. But when try to enter the GUI system of raspberry pi , I get ...
by mamech
Wed Sep 20, 2017 7:21 am
Forum: Java
Topic: Running a Java application using double click
Replies: 2
Views: 4263

Running a Java application using double click

Hello I have searched for this problem in the past, but I am asking just to be sure that there is no solutions that I missed. I made java application in the past on raspberry pi 2, and I wanted to run it using double clicking. After some search , I knew that there must be a script file to run my pro...
by mamech
Sun Sep 17, 2017 8:26 pm
Forum: Java
Topic: Weird error when running the java program
Replies: 4
Views: 1549

Re: Weird error when running the java program

DougieLawson wrote:
Sun Sep 17, 2017 2:15 pm
Change all of those semi-colons ; to colons : in your classpath.
many thanks! now it works!
by mamech
Sun Sep 17, 2017 12:07 pm
Forum: Java
Topic: Weird error when running the java program
Replies: 4
Views: 1549

Re: Weird error when running the java program

Who owns those jar files? Who owns the directory that contains those jar files. Does your userid have access by ownership or group? Try this: sudo chown -R pi.pi /home/pi/Desktop/EasyOdo3 thank you very much, it seems that some part of the problem was related to permissions, but still the problem c...
by mamech
Sun Sep 17, 2017 11:14 am
Forum: Java
Topic: Weird error when running the java program
Replies: 4
Views: 1549

Weird error when running the java program

Hello I have implemented a java program to run on Raspberry Pi 3, but strange error appears every time the program runs. I made a script file to run the java program, and to show for the java program where the needed libraries and files are. The script file contains this line: sudo java -cp /home/pi...
by mamech
Mon Sep 04, 2017 5:10 pm
Forum: Java
Topic: RXTX library with RPI3
Replies: 4
Views: 4666

Re: RXTX library with RPI3

Any smart implementation of RXTX library for Linux should use the standard Linux methods to talk to serialports and ttys so then it shouldnt matter which hardware you have. USb2serial devices get named /dev/ttyUSB0 and works the same on most linux'es. Actually what happened in my case when I made j...
by mamech
Sun Sep 03, 2017 12:10 pm
Forum: Java
Topic: RXTX library with RPI3
Replies: 4
Views: 4666

RXTX library with RPI3

Hello I have developed before a Java application that uses RXTX library on Raspberry Pi 2 B+ , and I used a file librxtxSerial.so that enabled the application to deal with the USB port for serial communication with USB2Serial converter. my question now, I am developing another application for Raspbe...

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