1 root root 37 Jan 16 16:55 java-11-openjdk -> /etc/alternatives/java_sdk_11_openjdkĭrwxr-xr-x. 1 root root 26 Jan 2 07:45 java -> /etc/alternatives/java_sdk The command "ls -ld /usr/lib/jvm/java*" returns : ledger/servlet/RunLedger has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 (unable to load class ) SEVERE: Error configuring application listener of class Recently I recompiled some java code and restarted tomcat and I get a distressing but similar message with When I do updates (dnf update), I have to frequently redo that link to pick up the newest Then later I linked /opt/java/jdk to theĬurrent release which changes with updates. The old way was "/usr/java" but java is NOT part of fedora so I made it "/opt/java"Īnd symbolically linked /usr/java to it. Java has moved locations and my most recent update of fedora has caused severe problems.
Updated to point to the newly added alternatives.I have been running java applications and tomcat for a long time. If the group is in automatic mode, and the newly added alternatives' priority is higher than any other installed alternatives for this group, the symlinks will be Mode, will be added with this information. If the alternative name specified exists already in the alternatives system's records, the information supplied will be added as a new set of alternatives for the group. If some real file is installed where an alternative link has to be installed, it is kept unless -force is used. However if a slave alternative doesn't exist, the corresponding slave alternative link will simply not be installed (a warning will Note that the master alternative must exist or the call will fail. Zero or more -slave options, each followed by three arguments, mayīe specified. The arguments after -slave are the generic name, symlink name in the alternatives directory and the alternative path for a slave link. link is the generic name for the master link, name is the name of its symlink in the alternatives directory, and path is the alternative being introduced for the master Īdd a group of alternatives to the system.
What previous answers are missing is an actual explanation of the arguments, which is also included in man: man update-alternatives
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