All Questions
405 questions
0
votes
1
answer
70
views
Java code with java.util.Scanner gets "[1]+ Stopped" when run with '&' (in background)
I wrote a program that supports interactive commands. I use java.util.Scanner for the input.
This program is also allowed to be run in background and in this case the Scanner is not necessary. So I ...
- 65
0
votes
2
answers
173
views
Using string parameter in bash script failt
I need to create a few certificates and wanted to write a small bash script for this.
First of all, I don't have much experience with creating my own bash scripts.
I wanted to pass the most important ...
- 81
0
votes
0
answers
217
views
How to increase timeout limit of a specific job in kubernetes
I need to call an API via curl command inside a shell file which is taking more than 2min. to complete the entire process and bring back the status response.
As a result, the pod gets into error state ...
- 147
1
vote
1
answer
62
views
Recreating nohup.out
I'm a new to a Linux, I've encountered an issue. What I've done: i have created the shell script which runs jar file that inside have the System.out.println - prints. Then I ran the sh using: "...
2
votes
1
answer
111
views
new Line not recognized in shell script on Linux
I wrote a shell script on the Linux Ubuntu server.
And I want to run a shell script on Java.
Running the shell script inside the Linux server changes the way I wrote it, but not through Java.
I'll ...
- 33
0
votes
2
answers
78
views
What is my java location and how can I point maven to it?
I am a UI dev with no experience in Java whatsoever. However, I have a dilema.
> / % java --version
openjdk 15.0.1 2020-10-20
OpenJDK Runtime Environment AdoptOpenJDK (build 15.0.1+9)
OpenJDK 64-...
- 9,540
0
votes
2
answers
531
views
How can I kill a just started Java process in shell script?
I have this simple script where I execute a .jar file and I'd need its PID for killing it after the sleep command:
java -jar test.jar &> output.txt & pid=$! sleep 10
The problem is: the PID ...
- 25
0
votes
2
answers
166
views
Docker image build fails to explode jar
I'm trying to create a multi-stage Dockerfile
FROM openjdk:11.0.7-jre-slim-buster AS build
... additional commands
RUN mkdir -p target/exploded && (cd target/exploded; jar -xf ../*.jar)
But ...
- 731
0
votes
1
answer
635
views
make javac compiler compile faster
I am trying to compile 5000+ java files (a lot of these Java files contains inner class). When I use this command
mvn clean install -DskipTests
It takes around 15-16 minutes.
I am using Java 8 and ...
- 255
0
votes
3
answers
1k
views
Download multiple files from URL to a particular path in linux using curl command (Shell Script)
URL return list of files separated by comma example
URL : http://sometimesdownload.com/list_of_files
To get list of files
curl -0 http://sometimesdownload.com/list_of_files
Output of above curl ...
0
votes
4
answers
785
views
Get the Java version in specific format using bash
My Java version is:
openjdk version "1.8.0_312"
OpenJDK Runtime Environment (build 1.8.0_312-b07)
OpenJDK 64-Bit Server VM (build 25.312-b07, mixed mode)
How can I get the Java version in ...
- 43
0
votes
1
answer
611
views
Java installation using shellscript
I am new to shell scripting and I am looking for a way to install java 1.8 on centos machine such that if java 1.8 is already exists then script will skip the installation AND if any other version of ...
- 43
2
votes
1
answer
4k
views
Check if an alias exist in keystore
I am new to shell scripting, I have a script that is used to import cert and import keystore using keytool. This script is inside a Pod, there are times when I have to restart my pod and sometimes ...
- 57
1
vote
1
answer
2k
views
Java Runtime.exec() works for some command but not others [duplicate]
I am doing an exercise related to Runtime.exec(), I understand that Runtime.exec is not a shell interpreter, that's why I execute "bash -c 'command'" instead, but for some reason, I can ...
- 145
0
votes
2
answers
607
views
Runtime.exec("echo 2") gives error=13, but why?
I try to run commands using Java. This is the class:
package test;
import java.io.IOException;
public class Test {
public static void main(String[] args) throws IOException {
Runtime....
- 2,058