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Questions tagged [openjdk-11]

Open JDK 11 is the open-source reference implementation of version 11 of the Java SE Platform as specified by by JSR 384 in the Java Community Process.

251 questions
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OpenJDK11: Security provider setup

In java 8 to setup a security provider I just needed to add the provider to the java.security file and add the provider external library to lib/ext. Since external libraries are not allowed in further versions how can I add a provider on…
facl0004
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Flutter doctor can't find sdkmanager

So I'm trying to install flutter without Android Studio because my PC work really slow whenever i trying to open Android Studio. Everything working smoothly at beginning, but when flutter trying to get Android License using flutter doctor…
Prisma Putra
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Java "'java.execute.workspaceCommand' failed" in VSCode

I recently wanted to try Java, so i started out with Hello World! I installed OpenJDK 11 for VSCode and ran the program, but it produced the following error: Running the contributed command: 'java.execute.workspaceCommand' failed. I looked at the…
MaxMobileYT
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Eclipse jdk 11 problem: The type java.lang.String cannot be resolved. It is indirectly referenced from required .class files

I have a toy program that has a compilation error only in Eclipse when I try to use a Chronicle import and compile to language level 11. The program compiles and runs in maven, and also in IntelliJ (with the same maven and JDK). The versions I have…
doc
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OpenJDK 64-Bit Server VM warning: Archived non-system classes are disabled (resin, Ubuntu, OpenJDK 11)

I've been running this old Caucho Resin (4.0.41) for many, many years on an Ubuntu box. I need to retire that server, so I'm trying to set up resin 4.0.64 on a new Ubuntu 18.04.4 server, and after a lot of poking and fiddling, it's launching, but…
Rick
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OpenJDK 11 error "Can not initialize cryptographic mechanism"

I have an app written with openJDK (Amazon Correto 11) and openJFX. When I run the app locally - everything works. But when I execute the app from network share there is an Exception: java.lang.ExceptionInInitializerError at…
user7374044
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Migrating java application from Java 8 to Java 11

Advance thanks, who are be going to help me. Story: till date my application is using JDK8, but right now I am migrating my application to Open JDK11 and using IVY as dependency manager and Ant as a build tool. Problem: I was facing compile-time…
Dupinder Singh
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OpenJdk initial startup time very slow

I'm running openjdk 11.0.3 on a server. Whenever the server has been rebooted (every night): For the first initial launch of my Application, the users have to wait for 35 Seconds before the Application is even started. (Before the first…
runholen
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JDK 11 HttpClient: BindException: Cannot assign requested address

I am using the new HttpClient shipped with JDK 11 to make many requests (to Github's API, but I think that's irrelevant), especially GETs. For each request, I build and use an HttpClient, like this: final ExecutorService executor =…
amihaiemil
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SpringBoot OAuth2 Sample Application

application.yml server: port: 8082 spring: security: oauth2: client: registration: custom-client: client-id: R2dpxQ3vPrtfgF72 client-secret: fDw7Mpkk5czHNuSRtmhGmAGL42CaxQB9 …
Popeye
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Why suddenly apk jdk11 installation stopped working while building docker image?

I am building a java app runnign on alpine and installing jdk11 with alpine package manager but suddenly from last night something is wrong. I haven't changed anything in my docker file so it could be something with some packages being updated? This…
Ciccio
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jaxb: xjc.sh java.activation not found

I've downloaded jaxb-ri: $ tree -L 1 . ├── bin ├── docs ├── License.txt ├── mod ├── samples └── ThirdPartyLicenseReadme.txt My java version is: $ java -version openjdk version "11.0.7" 2020-04-14 Nevertheless, when I'm trying to perform xjc.sh…
Jordi
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java.lang.NoClassDefFoundError: Could not initialize class sun.font.SunFontManager with OpenJDK 11.0

We are facing this error since migration from OpenJDK 8 to OpenJDK 11.0.9 from openjdk:11-jdk-slim. java.lang.NoClassDefFoundError: Could not initialize class sun.font.SunFontManager at…
Donatello
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Why is OpenJDK Docker Container ignoring Memory Limits in Kubernetes?

I am running several Java Applications with the Docker image jboss/wildfly:20.0.1.Final on Kubernetes 1.19.3. Wildfly server is running in OpenJDK 11 so the jvm is supporting container memory limits (cgroups). If I set a memory limit this limit is…
Ralph
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Java Flight Recorder - how to extract the values of a custom event field?

Java Flight Recorder is now a part of OpenJDK 11 and offers the usage of custom events. After a successful recording, I want to reuse the information within the events (especially my own custom events), but somehow I am unable to read the field…
Matécsa Andrea
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