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Questions tagged [redhat-openjdk]

For development issues encountered while using Red Hat's distribution of OpenJDK.

OpenJDK (Open Java Development Kit) is a free and open source implementation of the Java Platform, Standard Edition (Java SE). The upstream community project OpenJDK is currently sponsored and led by Oracle and is released under the GNU General Public License, version 2, with the Classpath Exception.

Click here for free development subscription which allows you to download Red Hat's implementation of OpenJDK for development use https://developers.redhat.com/downloads/

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How to know the reason for JVM crashing with Segfault?

We are seeing the JVM getting crashed at times with segfault. The only error we see in logs is as below. Anyone can suggest something by looking at the below error trace. # A fatal error has been detected by the Java Runtime Environment: # # …
tarunk
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In openjdk, security policies are not taking effect

In redhat-openjdk:1.8.0, jvm java.policy and custom.policy file's java.version is being effective on the activeprocess I've configured the java process to use java security manager and it uses Apache server to run the process. So Apache client look…
anvesh mora
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Installing OpenJDK on Redhat 7.5 does not create symlink "/usr/java/latest" by default?

Before we were using Oracle JDK and during its install process it created the symlink "/usr/java/latest" I notice OpenJDK does not do this by default during its install process - is there a reason why? A lot of our applications require this path.…
Coder 1
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How to Verify which openjdk distribution vendor on RHEL RedHatLinux machine?

On checking with java -version get the output as openjdk version "1.8.0_191" OpenJDK Runtime Environment (build 1.8.0_191-b12) OpenJDK 64-Bit Server VM (build 25.191-b12, mixed mode) Wants to ensure this openjdk binary is from oracle or…
tarunk
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Can RedHat openjdk binaries for windows can be used in production without support contract?

As I can see redhat is releasing the openjdk binaries for windows also https://developers.redhat.com/products/openjdk/overview/ . However it says: "Download OpenJDK for Development Use" Does this mean it cant be used in production without support…
tarunk
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Eclipse error 'could not determine Java version' when importing project

I'm running RHEL7 with OpenJDK 11: openjdk version "11.0.1" 2018-10-16 LTS OpenJDK Runtime Environment 18.9 (build 11.0.1+13-LTS) OpenJDK 64-Bit Server VM 18.9 (build 11.0.1+13-LTS, mixed mode, sharing) with Eclipse 4.9: Eclipse Java EE IDE for Web…
Moot
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JBOSS EAP 7.1.0 - Unsure of Logging and if it is a Out Of Memory Message.

I got a note a from one of our application teams about some log entries after updating to JBOSS EAP 7.1.0 Domain mode from EAP 7.0.11. They're claiming it is a sign that the Application or JBOSS is running out of memory. I have checked everything on…
JonRoyer2450
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Hi I am facing issue with redhat dmn design

Request Payload:- [ { "userId": "12", "status": "Active", "names": [ { "nameType": "Legal Name", "firstName": "renu", "lastName": "Tomar" } ], "addresses": [ { "addressType":…
Dawn_geek
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Jenkins: Jenkins is fully up and running but no dashboard is presented

I have installed jenkins-2.401.2-1.1.noarch.rpm and java-17-openjdk on an empty RedHat 8.8 server. After starting the Jenkins server I can connect with the browser to port 8080, I'm asked for the first time admin password from the file…
guru
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redhat openjdk headless contents

Is there some way to directly download the latest redhat "headless" version of JDK8? Redhat documentation indicates: There is also a headless version of Java which has the smallest footprint and does not include the libraries needed for a…
Woodchuck
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Java webstart application security issue with OpenWebStart and log4j2

I'm migrating some auto-signed WebStart (WS) applications from Oracle's Java 8 to OpenJDK11+OpenWebStart. However I'm getting strange java.io.FilePermission errors after the migration (in other words, when launching the application's JNLP with…
moser
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libawt_xawt.so: libXtst.so.6 in redhat 8.3 yum

I am try to install oracle manager server in linux redhat 8.3 oprating system but getting error where try to install this package also not able to install help please any one I am try to install oracle manager server in linux redhat 8.3 oprating…
SHAILESH CHAUDHARY
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Spring Boot doesn't close files open after undeploy WAR

System: OS: Red Hat Enterprise Linux Server release 7.9 (Maipo) Kernel: 3.10.0-1160.62.1.el7.x86_64 Red Hat OpenJDK: 1.8.0_332 JBoss 7.4.5 Spring Boot: 2.6.8 After undeploying a WAR implemented with Spring Boot Framework, whe can list his actual…
ELM
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AddedFacing exception issue in calling API ClassPathXmlApplicationContext while using OpenJDK8 framework

Below code is running perfectly fine with Oracle Java 7 and 8 but its failing with OpenJDK(I have tried https://adoptopenjdk.net/ and RedHat's ). ApplicationContext appContext = new ClassPathXmlApplicationContext("EdtAppContext.xml"); this.mainView…
Anand
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which App Server supports both AdoptOpenJdk11.0.3 and RedHat Open jdk 11.0.3?

I wanted to know that which Server supports both AdoptOpenJdk 11.0.3 and RedHat Open jdk 11.0.3. I have tried to search on google but was not able to find anything, It will be helpfull if anybody can tell me.
Atif Sheikh
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