{"id":511,"date":"2020-06-15T01:07:20","date_gmt":"2020-06-14T13:07:20","guid":{"rendered":"http:\/\/wp.gaborhargitai.hu\/?p=511"},"modified":"2020-06-15T01:08:23","modified_gmt":"2020-06-14T13:08:23","slug":"unifi-controller-could-not-find-java-se-runtime-environment-under-macos","status":"publish","type":"post","link":"https:\/\/wp.gaborhargitai.hu\/unifi-controller-could-not-find-java-se-runtime-environment-under-macos\/","title":{"rendered":"Unifi Controller: Could not find Java SE runtime environment under macOS"},"content":{"rendered":"\n<p>Starting the Unifi Controller under recent macOS versions with OpenJDK installed can cause problems, such as one of the following warnings:<\/p>\n\n\n\n<ul><li>Could not find a JRE. Will look for a JDK.<\/li><li>ERROR: could not find Java SE runtime\u00a0<\/li><\/ul>\n\n\n\n<p>I&#8217;m going to assume you have Adopt OpenJDK installed, preferably via Homebrew &#8211; if not, then install Homebrew and then:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>brew tap AdoptOpenJDK\/openjdk\nbrew cask install adoptopenjdk8<\/code><\/pre>\n\n\n\n<p>After this, you should be able to run Java runtime on your Mac &#8211; let&#8217;s get back to making UniFi Controller run.<\/p>\n\n\n\n<p>First, we need to link our current Java to the UniFi.app<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo ln -s \/Library\/Java\/JavaVirtualMachines\/adoptopenjdk-8.jdk\/ \/Applications\/UniFi.app\/Contents\/PlugIns<\/code><\/pre>\n\n\n\n<p>Then we need to open and edit <code>Info.plist<\/code>:\u00a0<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo nano \/Applications\/UniFi.app\/Contents\/Info.plist<\/code><\/pre>\n\n\n\n<p>And add the following <code>JVMRuntime<\/code> section manually after the\u00a0<code>JVMOptions<\/code><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;key>JVMRuntime&lt;\/key>\n&lt;string>adoptopenjdk-8.jdk&lt;\/string><\/code><\/pre>\n\n\n\n<p>After this, the UniFi Controller should run without problems.<\/p>\n\n\n\n<p>Reposted from <a rel=\"noreferrer noopener\" href=\"https:\/\/community.ui.com\/questions\/Unifi-Controller-5-11-50-on-Mac-OS-X-Catalina-fails-to-start-\/2fde6f63-b0ac-43a0-83f7-5cf43ba3d40f?page=3\" target=\"_blank\">the Ubiquiti forum &#8211; original author: Andrea<\/a><a href=\"https:\/\/community.ui.com\/questions\/Unifi-Controller-5-11-50-on-Mac-OS-X-Catalina-fails-to-start-\/2fde6f63-b0ac-43a0-83f7-5cf43ba3d40f?page=3\" target=\"_blank\" rel=\"noreferrer noopener\">s<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Starting the Unifi Controller under recent macOS versions with OpenJDK installed can cause problems, such as one of the following warnings: Could not find a JRE. Will look for a JDK. ERROR: could not find Java SE runtime\u00a0 I&#8217;m going to assume you have Adopt OpenJDK installed, preferably via Homebrew &#8211; if not, then install [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,17,49],"tags":[],"_links":{"self":[{"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/posts\/511"}],"collection":[{"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/comments?post=511"}],"version-history":[{"count":2,"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/posts\/511\/revisions"}],"predecessor-version":[{"id":513,"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/posts\/511\/revisions\/513"}],"wp:attachment":[{"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/media?parent=511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/categories?post=511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.gaborhargitai.hu\/wp-json\/wp\/v2\/tags?post=511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}