passing environment variable to a java class in command line

Question

I have a necessity to read some properties from a file located in local etc/myconfig-config/ folder. I need to give this file path in the command line. I have given it as mentioned below. But there is an error and it displays like

Error: Could not find or load main class test-tool.jar. 

the command given is

java  -cp -DconfigDir=/etc/myconfig-config/ test-tool.jar 
service.ScriptGenerator $clinic_count $client_files_count 

can anybody please help me to resolve this.

thanks

Answer 1

尝试给出以下命令，

java -DconfigDir=/etc/myconfig-config/ -cp test-tool.jar service.ScriptGenerator $clinic_count $client_files_count 

Answer 2

Try this command

export VARNAME='variable-value'

Then run your Java main class from the same command line.

Answer 3

你的命令应该是这样的

java  -cp test-tool.jar -DconfigDir=/etc/myconfig-config/ service.ScriptGenerator $clinic_count $client_files_count