Questions tagged [java]
Widely-used object-oriented programming language, emphasizing portability. Questions about programming with Java are off topic and should be asked on stackoverflow.com.
2,373
questions
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40
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Doesn't exists Java JRE 17?
I need the java JRE v17 but I cannot find it. Looking into https://www.java.com I can find only Java JRE v8 only.
Looking in https://www.oracle.com/it/java I can find JDK 17 but not its JRE.
What I'm ...
-1
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2
answers
31
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How to make windows .exe executables in Linux [No Duplicate- Extended Version]
Let me describe what I want to do. I want to make a software/application that I can run on both Linux and Windows. It could be any language for example: cpp,java,python.I need to know what is the ...
0
votes
1
answer
27
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Minecraft Server doesn't let others connect when running the .jar using java (instead of javaw)
I'm running a small Minecraft server using ipv6. The relevant port has been forwarded in both the firewall and the router. My friends are able to connect to the server correctly, BUT ONLY if the file ...
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0
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21
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Java : What calls could be executed behind the scene to open a UDP socket on port 7500?
Executing nestat shows the UDP protocol being accessed on port 7500
> netstat -naptu | grep 7500
udp 0 0 0.0.0.0:7500 0.0.0.0:* 13500/java
udp ...
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0
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75
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Using Jdk1.8 and installing openjdk 11
I had a working java 8 application in my windows asset until I installed jdk11 using Ubuntu package.
Now when I give java -version cmd in Ubuntu I get the openjdk 11 version:
$ java -version
openjdk ...
1
vote
1
answer
45
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How to launch the G.Projector NASA app on macOS with openJDK?
I'm trying to launch G.Projector on macOS M2 but it complains about lack of Java 11. However, I have openJDK and Java installed.
I dowloaded the “requires Mx "Apple silicon" Mac with ARM64 ...
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88
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How to update java version for teamcity
We have a ubuntu server with teamcity installed.
Teamcity is warning us that the java version that's using is old. The message is
This TeamCity server is using a deprecated version of Java (8). Please ...
2
votes
1
answer
163
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Error installing oracle drivers using dbeaver in ubuntu
I have installed DBeaver in Ubuntu version 22.04.3 through the ubuntu software store and also via apt install. When I create a oracle connection I have this error:
I have java installed in the system....
0
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1
answer
107
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forcing TLS version 1.2 for a web service consumer running in JBOSS that calls external web service
My application(something.war) that is running on JBOSS makes a call to an external webservice. This web service provider is dropping TLS v1.0 and forcing me to use newer version.
So, I want to know ...
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3
answers
106
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Is using SUDO in the terminal of the Mac safe?
I've recently begun programming in Java using VS Code. Recently, I purchased a used 2019 MacBook Touch Bar, and I'm still getting used to using the terminal to troubleshoot issues.
Regrettably, I used ...
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18
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Kafka running simultaneously in a Windows host and a Linux guest
I was following Pluralsight course "Getting Started with Apache Kafka", coming to module 4 about producing messages with Kafka producers. Then, I wanted to reproduce an author's demo which ...
0
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0
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34
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Oracle E-Business Suite Change Default Browser
We are using an app on Oracle E-Business Suite. When I click the upload a file button on the Java form Chrome opening by default. I set default browser to Microsoft Edge on Windows settings, even ...
0
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0
answers
154
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how to set default way of opening *.java file in win11
It seems that we can't set default way of opening *.java file in the latest Windows 11
In options of "opening files", I can't see "default" option. I have also tried to change ...
1
vote
0
answers
469
views
Does Keycloak supports Java 21? [closed]
I would like to know if Keycloak supports Java 21 and from which version of Keycloak. If not, when it will be.
I have tested Keycloak 21.1.1 on Java Amazon Corretto 21 and have not find any problem so ...
0
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0
answers
32
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Subversion Edge (CSVNConsole) Not Accessible After Upgrading JAVA JRE to Version 8U371
I upgraded JAVA JRE to v8u371 from v8u121 and confirmed both Subversion Edge and Subversion Server services are running. SVN commit completed successfully.
However, the CSVNConsole (https: on port ...
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152
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Java no longer found by my games or in command line after updating steam deck
When I updated my steam deck Prism Minecraft launcher no longer found a java install.
I used the command java --version and got back bash: java: command not found
Seeing that java must have been ...
1
vote
1
answer
697
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You need at least a 1.8 java virtual machine
I am trying to install a tool for streaming market data but I am getting the error
You need at least a 1.8 Java Virtual Machine to install dxFeed Market Data Viewer Installer.
Please download it from ...
0
votes
0
answers
50
views
Limiting the MTU for one application without Administrator permissions on Windows
I do have an Java Console application that is sending packets via the internet connection.
The application is running on a Windows 10 machine, with Oracle JDK 11/17.
I need to adapt the MTU size that ...
-1
votes
1
answer
39
views
tsunami windows 10 curl java home environment variable error
I am setting up tsunami on Windows 10. I am following the tutorial (https://github.com/google/tsunami-security-scanner). When I run the bash command, I get the following error:
ERROR: JAVA_HOME is not ...
0
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0
answers
40
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How can I solve the error of "Exception in thread "main" java.lang.OutOfMemoryError: Java heap space"? [duplicate]
I was wondering how to solve the following error:
$ java -Xms64m -Xmx512m -splash: -jar "/home/t/programs/jpdfbookmarks-2.5.2/jpdfbookmarks.jar" ./in.pdf -apply bmks.jpdf -o out.pdf
...
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0
answers
40
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NSSM for Selenium Server (Paused)
My selenium grid server is working very well when im running it on cmd and then java -jar selenium-server-.jar standalone and I can also run my test side files from my monitoring. But when I close the ...
0
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0
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309
views
Double click on jar file dosen't work (turn .jar to .exe)
I am trying to turn my java program into an .exe.
With the help of IntelliJ IDEA I created a .jar file and I'm able to run it from my os cmd with java -jar and it works great.
When I double click the ....
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0
answers
10
views
sdkman installation fails on raspberry pi [duplicate]
I am trying to use SDKMAN to install java 17 on raspberry pi and the installation seems to work at first, it makes an initial download, but then it intends to Installing script cli archive... and it ...
1
vote
2
answers
326
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sdkman installation fails on raspberry pi
I am trying to use SDKMAN to install java 17 on raspberry pi and the installation seems to work at first, it makes an initial download, but then it intends to Installing script cli archive... and it ...
0
votes
1
answer
358
views
Completely Remove All Versions of Java Silently (Ivanti) not dependant on machine install files-need it gone asap
Tried Java newer uninstall utility, not working properly, basic script, now looking into uninstall reg key.... This is an enterprise removal need, looking for script WMI call etc... to package and ...
1
vote
2
answers
3k
views
No language option for creating a new Empty Activity in Android Studio
I was trying to create a new project in the newer Android Studio. When I select the Empty Activity, I no longer see a language option (Java vs Kotlin) there. However, it exists for other Activities (...
1
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0
answers
461
views
Curl Vs Spring RestTemplate.exchange - huge performance diffrence
Under what circumstances a Restful call made with curl would be much faster than Spring's RestTemplate
I have to use Spring's RestTemplate's exchange methods as I am sending a JWT token as an Http ...
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0
answers
231
views
I can only start Jenkins Manually with Java command, how do I have it start on boot?
So I installed Jenkins on my Windows machine, I had it working fine and was setting up my first pipeline when I got an error message about need to set Dhudson.plugins.git.gitscm.allow_local_checkout=...
1
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1
answer
671
views
Run Java JAR file in background
I have a .jar file that acts weird with hdpi screens. When I run it directly by double-clicking on it, the text is very small and blurry, as if it wasn't hdpi-aware. But if I open my terminal and run ...
0
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0
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29
views
R can't connect to Druid cluster only on rstudio-server
I'm running these lines to get R connected to a Apache Druid cluster:
> library("RJDBC")
> conn_string = "jdbc:avatica:remote:url=http://<broker_url>:8082/druid/v2/sql/...
1
vote
1
answer
2k
views
Installing keytool without JDK
I am trying to install keytool in a docker image based on centos but I get an error.
Example to reproduce Dockerfile:
FROM centos:7.9.2009 ...
0
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0
answers
23
views
Zanzibar Open Ivr doest not accept sip invite?
I'm sending a bottle at the sea with this question because this project is very old and no one use this now. So if noone can answear, I'll delete this post.
I'm trying to integrated asterisk with ...
0
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1
answer
139
views
How to kill a CMD in Windows knowing only the Title?
The first bat performs the restart of the second bat. I currently use taskkill but it kills all Java processes. I, on the other hand, should only restart START.BAT, which has "MyApplication1"...
0
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0
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37
views
Eclipse doesn't show Java reference suggestions
I am using Eclipse 2023-03. Used previous versions of it earlier. From the start, when I type a class, e.g. List myList; Eclipse gives suggestions such as java.util.List should be imported and allows ...
2
votes
1
answer
385
views
Java JDK installation per cmd on Windows machine
How can I install a JDK via cmd or with another file?
I have to reset my Windows PC regularly for security reasons and I don't always want to go through the setup menu.
A Batch or CMD file to install ...
0
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0
answers
227
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tar:java/xxx:Cannot create symlink to : java/xxx : Permission denied
OS: Chromeos 114.0.5735.205 (Official Build) (32-bit)
Kernel:Linux penguin 5.15.108
Architecture:aarch64
trying to install jdk ,
I ran :
tar zxvf jdk-20_linux-aarch64_bin.tar.gz --no-same-owner
got ...
-1
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1
answer
837
views
Keys act like other keys, spacebar is f11, backspace is 4 etc
Windows 10
My keys are acting like other keys, enter is numlock, backspace is 4, space is f11, down arrow is f12, probably others too but I haven't found those yet. I suspect it has something to do ...
0
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0
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537
views
Java JDK 20 fails on install windows 10
When I try to install jdk 20, it fails.
When I try to install with the MSI, it fails almost immediately with the message "installation failed. The wizard was interrupted before Java(TM) Se ...
0
votes
1
answer
2k
views
How to completely uninstall all java versions from MacOS
I've been trying to uninstall all java versions from my mac by following:
% cd /Library/Java/JavaVirtualMachines
when I did ls into JavaVirtualMachines, I saw that there are no folders/ java versions ...
0
votes
1
answer
382
views
AntiX Linux how to install Java 8?
I am using the antiX 22 x64 version and I was able to install default Java (Java-11) and Java 17 with
$ sudo apt install default-jre
and
$ sudo apt install openjdk-17-jre
But when I try to install ...
0
votes
1
answer
200
views
Http proxy server for unit test to connect to sftp through java
I am successfully able to connect to sftp over http proxy using paramiko library in python using
ncat —proxy command
Now I want to test it using java junit test. I am able to successfully create ...
0
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0
answers
129
views
Junit for SFTP over HTTP Proxy
I have written a python script that connect to SFTP server over HTTP proxy using Paramiko library using nc command.
Now I want to write a Junit Test for the same in java language.
Is any any library ...
0
votes
1
answer
962
views
Unable to start Tomcat 10 with https connector
I have just installed tomcat 10 and tried to integrate a jks file that i have been using in a tomcat 9 installation with no issue, but i was unable to start the tomcat 10 with it.
Can anyone please ...
-1
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3
answers
5k
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Java error with the HP ProCurve 2510-24 J9019B network switch web interface
I have a HP network switch i just bought, and tried to access the web interface, and got told this: This product requires the Java language, which is either disabled or not available on this browser.
...
2
votes
1
answer
271
views
Printing Directly to my Deskjet 2752e Printer network using TCP Connection
I'm encountering difficulties when attempting to print simple text using PCL in Java with my Deskjet 2752e printer. The printer supports HP PCL 3 GUI, HP PCLm (HP Apps/UPD), and URF (AirPrint)1. ...
0
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1
answer
546
views
Getting error while downloading Java
I am trying to install Java in my AWS EC2 instance by using this below command:
sudo yum install java-1.8.0-openjdk-devel
But I'm facing the below error:
No match for argument: java-1.8.0-openjdk....
0
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1
answer
256
views
Recommended Deployment for JavaFX Jars (Netbeans)?
I have an issue in Netbeans 17 where I really can't deploy .jar files outside the Netbeans environment.
I have a vanilla Netbeans maven project that I'm interesting in deploying to other systems. Is ...
0
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0
answers
54
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I have an issue with printing paths from environment variables in windows 11
So I tried to install javabridge for a project that I have with Weka. By doing this I discovered that I can not print the paths from environment variables when I tried to create a CLASSPATH and ...
0
votes
0
answers
643
views
Windows 10 Scaling Issue with Java 11 Application
We have recently upgraded an application which has been using Java 8 but was upgraded to Java 11 during the process.
Now we are faced with the following problem:
Users are working on a HiDPI Laptop (...
1
vote
1
answer
134
views
Windows Process-Wide Security for Java via registry keys
My goal is to configure COM/DCOM security for my Java OPC DA client (not server).
The main problem is that every time the client tries to get updates from a OPC DA server in asynchronous mode, it ...