Questions tagged [java]
Programming language and runtime environment that allows compiled Java programs to run unchanged on most hardware and software platforms
1,854 questions
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Shibboleth PEM files and Tomcat
This is a Shibboleth question regarding PEM files and Tomcat.
I noticed within the Shibboleth Windows installation, there are some PEM files within the ...\shibboleth-sp\etc\shibboleth dir.
Do I need ...
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installing a JAVA windows using procrun triggers automatic elevation, why?
I try to use procrun to install a Java app as a Windows-Service ( using Windows 11).
Running my setup from within an already elevated context, it works as expected.
However, starting it as normal user,...
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Rundeck Community Will not Connect to Postgres
I am running into a problem with rundeck community version 5.16.0 where I start the service and after about a minute the service stops itself.
It looks like an error when trying to connect to the ...
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Java truststore missing on Void Linux server
I'm upgrading Jenkins on my void-linux server, which involves updating the JRE. I installed openjdk21-jre with xbps, deinstalled the old one (openjdk14-jre) and installed Jenkins 2.528.
It started ...
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jstack: error while loading shared libraries: libjli.so
I copied a jstack executable from one linux machine to another because I'm not allowed to install programs on a revenue generating server.
When run it produces the error:
jstack: error while loading ...
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Editing maximumPoolSize causes JNDI binding failure, only on two out of many sites
I'm experiencing a puzzling issue where manually editing a Jetty XML config breaks JNDI binding for a HikariCP datasource. However, deploying the same file via script works fine. This happens only on ...
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From VPS to VirtualBox only by ssh & root
my provider don't support Emergency Linux Boot
I can only use ssh and root access to the server
DD is complicated/risky to use because of file sizes, as it will try to image the entire disk, it will ...
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How can I determine whether Java is using huge pages?
This article instructs how to set up huge pages for Java in Linux.
I went through the following steps:
Added lines echo 4294967295 > /proc/sys/kernel/shmmax and echo 1536 > /proc/sys/vm/...
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Containers connection not working with Keycloak - Java app within Docker
I am having some problems trying to connect my keycloak - java app using docker, first I face the problem of having referenced in my properties the keycloak container (http keycloak:8080/auth) and my ...
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RHEL + systemctl service shows significantly more memory usage than the PID of a process
we have 342 RHEL 8.6 machines and all machines are with the same situation when systemctl service took much more memory then the PID itself
systemctl status presto.service
● presto.service - Perforce ...
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I can't download anything from HTTPS in Java in my new Debian installation!
I can't download anything from HTTPS in a Java application in my new Debian server, while it works fine on the old server. They are both running bullseye with Java version
openjdk 17.0.14 2025-01-21
...
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Apache Tomcat 6.0.53 is starting, but access to http://localhost:8080/ is not possible
In an acquired RESTful Spring Boot Web application with some restrictions that runs properly with IntelliJ IDEA v2022.02.05, I am asked to start the project without it. So, I started it in the command ...
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jboss.ejb.default-resource-adapter-name-service wildfly 26
This is a follow up from my previous question: https://stackoverflow.com/staging-ground/79353883. I changed version of the Wildfly to 26 and transfered all the code and libraries to work with jakarta. ...
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Issue with IIS Hosting: DNS_PROBE_FINISHED_NXDOMAIN when Reloading
I have a project hosted on IIS that works fine most of the time. Sometimes reloading the page results in the error:
"This site can't be reached. Check if there is a typo in esuport.mm.local. If ...
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Issue when updating Java 8u431 for ActiveMQ Classic 5.15.0
I need to update Java to version 8u431 on our legacy queuing system, ActiveMQ Classic version 5.15.0.
Currently, we are using JDK 8u131 from 2017 for Windows Server 2012 R2, and everything is working ...
