Eclipse on Mac uses wrong JDK
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I've got two JDKs on my Mac, 1.8 and OpenJDK 11. I have this line in my .profile:
export JAVA_HOME=$(/usr/libexec/java_home -v 11)
In a terminal, java -version shows it's using 11, and echo $JAVA_HOME also points to 11.
I have set Preferences/Java/Installed JREs to 11. I have set the compliance level to 11 in the compiler config in my pom.
Eclipse, however, shows the "JRE System Library" in my project to be 1.8. When I execute a class in the project, it runs under 1.8.
What gives? Is there a secret setting on the Mac telling Eclipse to use 1.8? Or a secret setting in the Eclipse config?
(I'm using the latest version of Eclipse, 2018-09, fully up-to-date.)
Update: Per @vshcherbinin's comment, the Run Configuration/Java Application/JRE tab says "Project execution environment 'JavaSE-1.8' (Home)". I do not believe I have any project-specific settings. I deleted the .project, .classpath, and .settings in the project and re-imported the basic Maven project. Not sure how to make the project execution environment default to 11.
java eclipse macos
asked Nov 23 '18 at 21:03
ccleveccleve
7,1491561111
|
show 1 more comment
I've got two JDKs on my Mac, 1.8 and OpenJDK 11. I have this line in my .profile:
export JAVA_HOME=$(/usr/libexec/java_home -v 11)
In a terminal, java -version shows it's using 11, and echo $JAVA_HOME also points to 11.
I have set Preferences/Java/Installed JREs to 11. I have set the compliance level to 11 in the compiler config in my pom.
Eclipse, however, shows the "JRE System Library" in my project to be 1.8. When I execute a class in the project, it runs under 1.8.
What gives? Is there a secret setting on the Mac telling Eclipse to use 1.8? Or a secret setting in the Eclipse config?
(I'm using the latest version of Eclipse, 2018-09, fully up-to-date.)
Update: Per @vshcherbinin's comment, the Run Configuration/Java Application/JRE tab says "Project execution environment 'JavaSE-1.8' (Home)". I do not believe I have any project-specific settings. I deleted the .project, .classpath, and .settings in the project and re-imported the basic Maven project. Not sure how to make the project execution environment default to 11.
java eclipse macos
asked Nov 23 '18 at 21:03
ccleveccleve
7,1491561111
Have you looked into your Run Configuration? Check "Run Configuration" -> "Java Application" -> JRE tab.
– vs97
Nov 23 '18 at 21:28
@vshcherbinin see update
– ccleve
Nov 23 '18 at 21:35
In the same "JRE" tab there is "Alternate JRE" field, you can set the JRE you want there.
– vs97
Nov 23 '18 at 21:37
@vshcherbinin Ok, that's helpful, and it does work for that one class. But it doesn't change the JRE System Library. I'd like to change the default globally.
– ccleve
Nov 23 '18 at 21:40
I think you can edit your eclipse.ini to set an specific jvm to use, add the following lines before the -vmargs-vm /Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home/lib/jli/libjli.dylibIn my case I only have java 10, but it should be the same for the 11 one I think, -vm and the path should be on different lines.
– nmorenor
Nov 23 '18 at 22:29
|
show 1 more comment
I've got two JDKs on my Mac, 1.8 and OpenJDK 11. I have this line in my .profile:
export JAVA_HOME=$(/usr/libexec/java_home -v 11)
In a terminal, java -version shows it's using 11, and echo $JAVA_HOME also points to 11.
I have set Preferences/Java/Installed JREs to 11. I have set the compliance level to 11 in the compiler config in my pom.
Eclipse, however, shows the "JRE System Library" in my project to be 1.8. When I execute a class in the project, it runs under 1.8.
What gives? Is there a secret setting on the Mac telling Eclipse to use 1.8? Or a secret setting in the Eclipse config?
(I'm using the latest version of Eclipse, 2018-09, fully up-to-date.)
Update: Per @vshcherbinin's comment, the Run Configuration/Java Application/JRE tab says "Project execution environment 'JavaSE-1.8' (Home)". I do not believe I have any project-specific settings. I deleted the .project, .classpath, and .settings in the project and re-imported the basic Maven project. Not sure how to make the project execution environment default to 11.
java eclipse macos
asked Nov 23 '18 at 21:03
ccleveccleve
7,1491561111
I've got two JDKs on my Mac, 1.8 and OpenJDK 11. I have this line in my .profile:
export JAVA_HOME=$(/usr/libexec/java_home -v 11)
In a terminal, java -version shows it's using 11, and echo $JAVA_HOME also points to 11.
I have set Preferences/Java/Installed JREs to 11. I have set the compliance level to 11 in the compiler config in my pom.
Eclipse, however, shows the "JRE System Library" in my project to be 1.8. When I execute a class in the project, it runs under 1.8.
What gives? Is there a secret setting on the Mac telling Eclipse to use 1.8? Or a secret setting in the Eclipse config?
(I'm using the latest version of Eclipse, 2018-09, fully up-to-date.)
Update: Per @vshcherbinin's comment, the Run Configuration/Java Application/JRE tab says "Project execution environment 'JavaSE-1.8' (Home)". I do not believe I have any project-specific settings. I deleted the .project, .classpath, and .settings in the project and re-imported the basic Maven project. Not sure how to make the project execution environment default to 11.
java eclipse macos
java eclipse macos
asked Nov 23 '18 at 21:03
ccleveccleve
7,1491561111
asked Nov 23 '18 at 21:03
ccleveccleve
7,1491561111
edited Nov 23 '18 at 21:34
ccleve
asked Nov 23 '18 at 21:03
ccleveccleve
7,1491561111
asked Nov 23 '18 at 21:03
ccleveccleve
7,1491561111
asked Nov 23 '18 at 21:03
ccleveccleve
7,1491561111
7,1491561111
Have you looked into your Run Configuration? Check "Run Configuration" -> "Java Application" -> JRE tab.
– vs97
Nov 23 '18 at 21:28
@vshcherbinin see update
– ccleve
Nov 23 '18 at 21:35
In the same "JRE" tab there is "Alternate JRE" field, you can set the JRE you want there.
– vs97
Nov 23 '18 at 21:37
@vshcherbinin Ok, that's helpful, and it does work for that one class. But it doesn't change the JRE System Library. I'd like to change the default globally.
– ccleve
Nov 23 '18 at 21:40
I think you can edit your eclipse.ini to set an specific jvm to use, add the following lines before the -vmargs-vm /Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home/lib/jli/libjli.dylibIn my case I only have java 10, but it should be the same for the 11 one I think, -vm and the path should be on different lines.
– nmorenor
Nov 23 '18 at 22:29
|
show 1 more comment
Have you looked into your Run Configuration? Check "Run Configuration" -> "Java Application" -> JRE tab.
– vs97
Nov 23 '18 at 21:28
@vshcherbinin see update
– ccleve
Nov 23 '18 at 21:35
In the same "JRE" tab there is "Alternate JRE" field, you can set the JRE you want there.
– vs97
Nov 23 '18 at 21:37
@vshcherbinin Ok, that's helpful, and it does work for that one class. But it doesn't change the JRE System Library. I'd like to change the default globally.
– ccleve
Nov 23 '18 at 21:40
I think you can edit your eclipse.ini to set an specific jvm to use, add the following lines before the -vmargs-vm /Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home/lib/jli/libjli.dylibIn my case I only have java 10, but it should be the same for the 11 one I think, -vm and the path should be on different lines.
– nmorenor
Nov 23 '18 at 22:29
Have you looked into your Run Configuration? Check "Run Configuration" -> "Java Application" -> JRE tab.
– vs97
Nov 23 '18 at 21:28
Have you looked into your Run Configuration? Check "Run Configuration" -> "Java Application" -> JRE tab.
– vs97
Nov 23 '18 at 21:28
@vshcherbinin see update
– ccleve
Nov 23 '18 at 21:35
@vshcherbinin see update
– ccleve
Nov 23 '18 at 21:35
In the same "JRE" tab there is "Alternate JRE" field, you can set the JRE you want there.
– vs97
Nov 23 '18 at 21:37
In the same "JRE" tab there is "Alternate JRE" field, you can set the JRE you want there.
– vs97
Nov 23 '18 at 21:37
@vshcherbinin Ok, that's helpful, and it does work for that one class. But it doesn't change the JRE System Library. I'd like to change the default globally.
– ccleve
Nov 23 '18 at 21:40
@vshcherbinin Ok, that's helpful, and it does work for that one class. But it doesn't change the JRE System Library. I'd like to change the default globally.
– ccleve
Nov 23 '18 at 21:40
I think you can edit your eclipse.ini to set an specific jvm to use, add the following lines before the -vmargs
-vm /Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home/lib/jli/libjli.dylib In my case I only have java 10, but it should be the same for the 11 one I think, -vm and the path should be on different lines.– nmorenor
Nov 23 '18 at 22:29
I think you can edit your eclipse.ini to set an specific jvm to use, add the following lines before the -vmargs
-vm /Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home/lib/jli/libjli.dylib In my case I only have java 10, but it should be the same for the 11 one I think, -vm and the path should be on different lines.– nmorenor
Nov 23 '18 at 22:29
|
show 1 more comment
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Have you looked into your Run Configuration? Check "Run Configuration" -> "Java Application" -> JRE tab.
– vs97
Nov 23 '18 at 21:28
@vshcherbinin see update
– ccleve
Nov 23 '18 at 21:35
In the same "JRE" tab there is "Alternate JRE" field, you can set the JRE you want there.
– vs97
Nov 23 '18 at 21:37
@vshcherbinin Ok, that's helpful, and it does work for that one class. But it doesn't change the JRE System Library. I'd like to change the default globally.
– ccleve
Nov 23 '18 at 21:40
I think you can edit your eclipse.ini to set an specific jvm to use, add the following lines before the -vmargs
-vm /Library/Java/JavaVirtualMachines/jdk-10.0.1.jdk/Contents/Home/lib/jli/libjli.dylibIn my case I only have java 10, but it should be the same for the 11 one I think, -vm and the path should be on different lines.– nmorenor
Nov 23 '18 at 22:29