special character “” is not work in Linux, converted into “?”

I consuming an api which is returning String with special characters, so I replace them with blank or some other user readable char. My code: String text = response; if (text != null) { …

Installing Oracle JDK on Windows subsystem for Linux

When trying to use the Linux version of Oracle’s JDK on the latest Windows 10 build having support for bash, I am running into a problem with the prompt hanging whenever attempting to invoke the java …

Spring Boot init.d not Not running (process not found)

I was trying to follow the instructions from here, where trying to run the Spring Boot app as init.d service but could not successfully. I created the fully executable jar (myapp.jar) as mentioned …

Run custom TextSecure (Signal) server

I am trying to start my custom TextSecure (Signal) server. I want to use it for all functions that Signal has (both SMS and telephony). I believe that I also need redphone server to run telephony. I’…

Spring batch FileItemWriter not creating file at correct path

I have a spring batch service containing a FileItemReader,FileItemProcessor and FileItemWriter.When creating the FileItemWriter I have to set the Resource that will be my output file. I am running …

How to set JAVA_HOME in Linux for all users

I am new to Linux system and there seem to be too many Java folders. java -version gives me: java version “1.7.0_55” OpenJDK Runtime Environment (rhel-2.4.7.1.el6_5-x86_64 u55-b13) OpenJDK 64-Bit …

Background process in linux

I have developed a Java socket server connection which is working fine. When started from a terminal, it starts from listening from client. But when I close the terminal it stops listening. I need …

Running shell_exec(‘which java’) in PHP return nothing

If I run which java from the command line I get the proper input (/usr/java/…/bin/java). However if I run it in a php script: <? echo 'java. ' . shell_exec('which java'); echo 'ls. ' . …