You will get the following output: openjdk version "11.0.10" Once Java installed, you can verify the installation with: $ java -version
INSTALL OPENJDK 11 UBUNTU 18. INSTALL
Now run the following command to install the default OpenJDK 11, which will provide Java Runtime Environment ( JRE). Sudo apt install openjdk-8-jre-headless # version 8u282-b08-0ubuntu1~20.04 Sudo apt install default-jre # version 2:1.11-72 Command 'java' not found, but can be installed with: : ()Ljava/awt/peer/MenuComponentPeer Īt fiji.IJ_Alt_Key_Listener.getX11Opener(IJ_Alt_Key_Listener.java:98)Īt fiji.IJ_Alt_Key_Listener.getOpener(IJ_Alt_Key_Listener.java:87)Īt fiji.IJ_Alt_Key_Listener.(IJ_Alt_Key_Listener.java:18)Īt (DefaultFijiService.java:55)Īt (DefaultFijiService.java:61)Īt java.base/.invoke0(Native Method)Īt java.base/.invoke(NativeMethodAccessorImpl.java:62)Īt java.base/.invoke(DelegatingMethodAccessorImpl.java:43)Īt java.base/.invoke(Method.java:564)Īt $ProxySubscriber.onEvent(DefaultEventService.java:301)Īt $ProxySubscriber.onEvent(DefaultEventService.java:275)Īt .ThreadSafeEventService.publish(ThreadSafeEventService.java:971)Īt .access$201(DefaultEventBus.java:57)Īt $2.run(DefaultEventBus.java:217)Īt $2.run(DefaultThreadService.java:221)Īt java.base/$RunnableAdapter.call(Executors.java:514)Īt java.base/.run(FutureTask.java:264)Īt java.base/.runWorker(ThreadPoolExecutor.java:1135)Īt java.base/$n(ThreadPoolExecutor.java:635)Īt java.base/(Thread.If Java is not currently installed, you will get the following output. WARNING: All illegal access operations will be denied in a future release WARNING: Use -illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: Please consider reporting this to the maintainers of WARNING: Illegal reflective access by (file:/home/rleigh/Downloads/Fiji.app/jars/ij1-patcher-0.12.9.jar) to method () WARNING: An illegal reflective access operation has occurred Once it falls back it then starts up, albeit with a few errors. The location was changed for OpenJDK9, and it looks like the launcher isn’t handling that part. % /usr/lib/jvm/java-11-openjdk-amd64/bin/java -version OpenJDK 64-Bit Server VM (build 10.0.1+10-Ubuntu-3ubuntu1, mixed mode) OpenJDK Runtime Environment (build 10.0.1+10-Ubuntu-3ubuntu1) usr/lib/jvm/java-11-openjdk-amd64/lib/server/libjvm.soĪnd note this was also the system JVM. % find /usr/lib/jvm/java-11-openjdk-amd64 -name libjvm.so ImageJ-linu圆4Ĭould not load Java library '/usr/lib/jvm/java-11-openjdk-amd64/lib/amd64/server/libjvm.so': /usr/lib/jvm/java-11-openjdk-amd64/lib/amd64/server/libjvm.so: cannot open shared object file: No such file or directoryĮrror: Could not create the Java Virtual Machine.Įrror: A fatal exception has occurred. Note that OpenJDK10 is the default JRE for Ubuntu 18.04, though being packaged as 11, I expect it to be upgraded transparently to 11 in ~October. Is the logic to look for libjvm.so correct? Is anyone aware of this problem? Since it affects OpenJDK 9 and later, I didn’t expect it to regress with OpenJDK 10.
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