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https://issues.apache.org/jira/browse/BROOKLYN-595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523452#comment-16523452
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Aled Sage commented on BROOKLYN-595:
------------------------------------
I think this is fixed in karaf 4.2 (we are using karaf 4.1.2 in Brooklyn
0.12.0). It fixes https://issues.apache.org/jira/browse/KARAF-5641, which
sounds related. The same fixes are in 4.1.5.
See karaf 4.2.0 release notes at
https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12311140&version=12342076
(linked to from http://karaf.apache.org/download.html).
> Brooklyn karaf fails with Java 9
> --------------------------------
>
> Key: BROOKLYN-595
> URL: https://issues.apache.org/jira/browse/BROOKLYN-595
> Project: Brooklyn
> Issue Type: Bug
> Reporter: Aled Sage
> Priority: Major
>
> Running on OS X, Brooklyn karaf fails to start:
> {{./bin/start}} gives no output, exit code 0, but the process isn't running!
> Tweaking the script to add {{-x}}, I see the last thing it did was:
> {noformat}
> exec
> /Users/aledsage/repos/apache/brooklyn/brooklyn-dist/karaf/apache-brooklyn/target/assembly/bin/karaf
> server
> {noformat}
> {{./bin/karaf}} gives the error:
> {noformat}
> karaf: JVM must be greater than 1.8
> {noformat}
> Digging into this further, {{java -version}} gives:
> {noformat}
> java version "9.0.4"
> Java(TM) SE Runtime Environment (build 9.0.4+11)
> Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)
> {noformat}
> Running {{./bin/karaf}} with {{-x}} shows:
> {noformat}
> + detectJVM
> + /Library/Java/JavaVirtualMachines/jdk-9.0.4.jdk/Contents/Home//bin/java
> -version
> + grep '^IBM'
> + false
> + JVM_VENDOR=SUN
> + checkJvmVersion
> ++ /Library/Java/JavaVirtualMachines/jdk-9.0.4.jdk/Contents/Home//bin/java
> -version
> ++ egrep '"([0-9].[0-9]\..*[0-9]).*"'
> ++ awk '{print substr($3,2,length($3)-2)}'
> ++ awk '{print substr($1, 3, 3)}'
> ++ sed -e 's;\.;;g'
> + VERSION=04
> + '[' x04 = x ']'
> + '[' 04 -lt 80 ']'
> + die 'JVM must be greater than 1.8'
> + warn 'JVM must be greater than 1.8'
> + echo 'karaf: JVM must be greater than 1.8'
> karaf: JVM must be greater than 1.8
> + exit 1
> {noformat}
> This looks very similar to
> https://jira.opendaylight.org/browse/ODLPARENT-73?page=com.atlassian.jira.plugin.system.issuetabpanels%3Aall-tabpanel
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