Description of problem: When alternatives are used to change jre (alternatives --config java) the all jpackage compatible java apps, are still using the java specified by JDK (alternatives --config javac) This is wrong. Especially for case when I have one JDK and one JRE. Then I can use alternatives as , and still only JDK will be selected. Version-Release number of selected component (if applicable): All fedoras and rhels till now How reproducible: Steps to Reproduce on f20: 1. $ install java-1.7.0-openjdk-devel, and java-1.8.0-oepnjdk 2. $ alternatives --configure java 3. select java 8 4. # run some packed java app Expected results: java8 will be used Actual results: java 7 is still used To use java 8 you ust install java-1.8.0-openjdk-devel and select java 8 via $alternatives --config javac Additional info: Currently jpackage-utils are using JDK by default. Any app which wonts to use only JRE must specifi _prefer_jre=true to luncher. Well this is wrong in design. All apps should use JRE by default, and only few (10?) apps using whole JDK should specifi _prefer_jre=false. Another workarouds ae set JAVA_HOME or edit /etc/java/java.conf But htose are far away from compfortable alternatives solution. As reason not to do the change was introduced ant - that it needs whole JDK to run. IMHO it is one of the few apps which should specifu _prefer_jre=false... Fix is quite simple Change /usr/share/java-utils/java-functions to use /usr/lib/jvm/jre instead of /usr/lib/java However, the consequences may be really huge.
jpackage-utils has been replaced with javapackages-tools, moving to appropriate component. This is intentional behavior. If both JRE and JDK are installed then *by default* JDK will be used, regardless of version. Applications that don't require JDK features and can work with plain JRE can (and should) set _prefer_jre=true, in which case JRE is always used, if installed. This will be closed as NOTABUG unless you can convince me otherwise.
Yes. I agree. After many many discussions about this, sure. You are the head here :) Maybe nit - set _prefer_jre=true - should be probably highlighted in java packaging guidelines.
(In reply to jiri vanek from comment #2) > Maybe nit - set _prefer_jre=true - should be probably highlighted in java > packaging guidelines. This is already documented well enough IMO: "One thing to pay attention to is the 6th argument to it - whether to prefer a JRE over a full SDK when looking up a JVM to invoke - most packages that don’t require the full Java SDK will want to set that to true to avoid unexpected results when looking up a JVM when some of the installed JRE’s don’t have the corresponding SDK (*-devel package) installed." (from https://fedorahosted.org/released/javapackages/doc/#_generating_application_shell_scripts) Closing as NOTABUG.