Remove the JDK parameter java.awt.headless=true

There is a a lot of evidence that the parameter is set to `java.awt.headless=true` in Quarkus by default. * Quarkus Building native Images: https://quarkus.io/guides/building-native-image) see default value for `java.awt.headless` * quarkusio/quarkus#20565 * quarkusio/quarkus#20850 Signed-off-by: Gabriel Mainberger <[email protected]>
codecentric · Jul 1, 2024 · ea104e0 · ea104e0
1 parent 3c2dd87
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diff --git a/charts/keycloakx/README.md b/charts/keycloakx/README.md
@@ -269,13 +269,14 @@ extraEnv: |
     value: >-
       -XX:+UseContainerSupport
       -XX:MaxRAMPercentage=50.0
-      -Djava.awt.headless=true
 ```
 
 Alternatively one can append custom JVM options by setting the `JAVA_OPTS_APPEND` environment variable.
 
 The parameter `-Djava.net.preferIPv4Stack=true` is [optional](https://github.com/keycloak/keycloak/commit/ee205c8fbc1846f679bd604fa8d25310c117c87e) for [Keycloak >= v22](https://www.keycloak.org/server/configuration-production#_configure_keycloak_server_with_ipv4_or_ipv6).
 
+The parameter `-Djava.awt.headless=true` is no longer required for Quarkus based Keycloak as it is set by [default](https://quarkus.io/guides/building-native-image).
+
 #### Using an External Database
 
 The Keycloak Docker image supports various database types.

diff --git a/charts/keycloakx/ci/h2-values.yaml b/charts/keycloakx/ci/h2-values.yaml
@@ -19,7 +19,6 @@ extraEnv: |
     value: >-
       -XX:+UseContainerSupport
       -XX:MaxRAMPercentage=50.0
-      -Djava.awt.headless=true
       -Djgroups.dns.query={{ include "keycloak.fullname" . }}-headless
 
 database:

diff --git a/charts/keycloakx/examples/postgresql-kubeping/keycloak-server-values.yaml b/charts/keycloakx/examples/postgresql-kubeping/keycloak-server-values.yaml
@@ -37,7 +37,6 @@ extraEnv: |
     value: >-
       -XX:+UseContainerSupport
       -XX:MaxRAMPercentage=50.0
-      -Djava.awt.headless=true
       -Dkubeping_namespace={{ .Release.Namespace }}
       -Dkubeping_label="keycloak-cluster=default"
 

diff --git a/charts/keycloakx/examples/postgresql/keycloak-server-values.yaml b/charts/keycloakx/examples/postgresql/keycloak-server-values.yaml
@@ -25,7 +25,6 @@ extraEnv: |
     value: >-
       -XX:+UseContainerSupport
       -XX:MaxRAMPercentage=50.0
-      -Djava.awt.headless=true
       -Djgroups.dns.query={{ include "keycloak.fullname" . }}-headless
 
 dbchecker: