Screenshot of the reported error:
Installing JDK8
Download the JDK1.8 installation package
Java Downloads | Oracle
Download the installation package double-click and follow the prompt process to install:
In accordance with the completion, we can view the JDK installation path, in the repository / Library will appear under a Java folder, the directory hierarchy is as follows: /Library/Java/JavaVirtualMachines/jdk-1.
Open a terminal window
Press the shortcut command+space , then type ter search to find the terminal:
If you want to configure jdk, then we need to know the installation directory of jdk, and WIN system is very different, we want to see the installation path of jdk in MAC need to execute the following command line in the terminal:
/usr/libexec/java_home -V
# Note: V is capitalized!
java -version
# View java version
Configuring java environment variables in configuration files
# Configuration code is as follows: (Note that the path after JAVA_HOME is the path queried via /usr/libexec/java_home -V)
JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-1./Contents/Home
PATH=$JAVA_HOME/bin:$PATH:.
CLASSPATH=$JAVA_HOME/lib/:$JAVA_HOME/lib/:.
export JAVA_HOME
export PATH
export CLASSPATH
Configuration takes effect
source ~/.bash_profile
Type echo $JAVA_HOME in the terminal. If the configuration is successful, the path information of JAVA_HOME just configured will be displayed.
Successful display indicates successful installation of JDK8 on the MAC terminal.
Solve the problem that access to Wave's remote console redirection (KVM) with out-of-band BMC interface is inaccessible, prompting that JViewer is unsigned
MAC Terminal Solutions:
Wake up to ROOT permissions, find the two files above, comment out the three lines of code, and save to fix it.
WIN Terminal Solution:
1. Edit File
Path in C:\Program Files\NRE\java\lib\security\
Or C:\Program Files\Java*****\lib\security\
2. Comment lines that begin with "".
3. Save the changes.
4. Just re-run the program.