Questions tagged [java]
Java is a general-purpose programming language and a computing platform called the Java Virtual Machine (JVM). Use this tag when you are dealing with a java program, installing java, or configuring a java installation.
881
questions
0
votes
2
answers
33
views
Removing Gradle with all dependencies
I have installed Gradle via Synaptic Package Manager. During the installation process, two auxiliary packages were installed, plus a large amount of different dependencies, and the process was quite ...
- 535
0
votes
0
answers
23
views
Difference between amidi -l and aconnect -l
I would like to use fluidsynth as a player for my Java application. However, fluidsynth creates a port visible via aconnect -l but invisible via amidi -l. Java MIDI, in turn, sees only the ports ...
- 101
0
votes
1
answer
42
views
My systemd service stopped working after updating server jarfile
I have a fabric minecraft server running on Oracle Linux, which I updated today, but now Java exits with status code 1 and says that server.jar can't be found.
Please help me, I really don't ...
0
votes
1
answer
35
views
Enabling Java JNDI LDAP connection to Active Directory using SSH through remote SSH tunnelling
Firstly, I would like to validate my idea for the PoC, specifically I would like to understand whether this can be possible or not and furthermore some pointers with regards to how it can be done ...
0
votes
1
answer
19
views
java process keep re-starting after kill it with command: kill -9 pid
I have a screen called bung were inside i run a java process using ./start.sh (script to run the java process) but before type that command i start the screen running screen -r bung so i open the ...
0
votes
1
answer
100
views
"Failed to load swt-pi3" error in e2studio installer
I would like to install the latest version of Renesas' e2studio on my up-to-date Fedora 39 machine but I keep getting the following error:
$ ./e2studio_installer-2024-01_1_linux_host.run
Mar. 31, ...
- 2,079
0
votes
0
answers
145
views
How to solve Missing X server or $DISPLAY when trying to change the loaded website in chromium
I am a newbie with using raspberry and
I am using chilipie-kiosk to develop a kiosk on a raspberry pi. The idea is when the Raspberry Pi starts, the Chromium browser is launched with a page that we ...
0
votes
0
answers
91
views
JAVA_TOOL_OPTIONS="-Dos.name=Windows 7" -> Unrecognized option 7
I am trying to install the latest version of PSIM which is a windows application. I downloaded the latest version of JAVA as well as JAVA 8 (in case it doesn't like the latest) and set the variable ...
- 101
2
votes
1
answer
118
views
When SIGTERM is received by a process, what happens to its children?
I am wondering what happens when a process receives SIGTERM and it has children spawned (e.g. JVM that has /bin/sh commands running).
Is there some sort of automatism or does the parent simply exit ...
- 143
0
votes
1
answer
480
views
If I have a json string how do I calculate the number of bytes needed when stored?
I have a json string formatted displayed in a web page. What I am trying to understand is what is the size in terms of bytes that this json string requires.
If I copy and pipe to wc -c I get 1000 ...
- 1,421
0
votes
0
answers
51
views
Kafka with KRaft - what is listening on the random high port?
I'm in the process of writing some ansible to install Kafka on RHEL and I've got the service running and am about to configure the firewall to make the service accessible on the network.
When I look ...
- 1,000
0
votes
0
answers
51
views
Hadoop Namenode heap size tuning
NameNode process is executed in Java virtual machine,
and Java object which NameNode creates is managed in Java virtual memory. As the fles or directories are created, inode objects and block objects ...
- 13.4k
0
votes
0
answers
34
views
Why are four Jenkins build nodes suddenly having fatal problems finding things on the PATH?
In our overall organization, we run Jenkins 2.303.1 onprem. We run thousands of builds a day. The project I work on uses one Jenkins master and a set of about ten build nodes. We build a few hundred ...
- 1,081
0
votes
0
answers
51
views
Running a Java Abstract Window Toolkit application within a Docker container under Wayland
In the last years I ran a Java Swing application within a Docker container by running:
docker run -u 1000:1000 --rm --name etax_zug --hostname etax-zug \
-e DISPLAY=unix:0 \
-e XAUTHORITY=/tmp/...
- 101
3
votes
2
answers
4k
views
Java 21 on Raspberry Pi 5
I'm not able to install Java 21 on Raspberry Pi 5. I download ARM versions from openJDK and Oracle, but both don't work for me.
When typing ./java it prints: "No such file or directory" (I'm ...
- 131