Running java.exe from Windows cmd.exe

Question

I want to run java -jar from the JDK directory on my system:

D:\Users\djpastis\Downloads\fmw_12.2.1.4.0_wls_Disk1_1of1>C:\Program Files\Java\jdk1.8.0_162\bin\java

but I have this error, even the path is OK

'C:\Program' is not recognized as an internal or external command, operable program or batch file.

You should be using this syntax, "%ProgramFiles%\Java\jdk1.8.0_162\bin\java.exe" -jar "F:\ull\Path To\filename.jar" In your case, if filename.jar is in D:\Users\djpastis\Downloads\fmw_12.2.1.4.0_wls_Disk1_1of1 as that is clearly your current directory, you could just use "%ProgramFiles%\Java\jdk1.8.0_162\bin\java.exe" -jar "filename.jar". — Compo
– Compo, Commented Aug 18, 2020 at 14:39
@Compo, I have been multiple places wherre Microsoft apps would be installed to "%ProgramFiles%", but most third-party apps (7-Zip, Beyond Compare, git, etc.) would be installed to a `D:\Program Files" directory. How would you deal with that? — lit
– lit, Commented Aug 19, 2020 at 15:08
I wouldn't use the standard location variable %ProgramFiles% @lit, or I may parse the registry user shell folders to determine the default location first. In this specific case however, the OP used 'C:\Program' is not recognized as an internal or external command…, which meant that the standard default would generally be okay! I will say however, that modern Windows Operating Systems, by default install to the drive allocated to C:. — Compo
– Compo, Commented Aug 19, 2020 at 17:06

lit · Accepted Answer · 2020-08-18 17:05:29Z

4

Paths containing special characters, such as a SPACE, must be quoted. Microsoft put a SPACE characters in there for you. :-) The only reliable, safe way is to always quote paths.

"%ProgramFiles%\Java\jdk1.8.0_162\bin\java.exe"

edited Aug 18, 2020 at 17:05

answered Aug 18, 2020 at 14:23

lit

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1 Comment

lit Over a year ago

@Compo is right, the enviromment variable should (must) be used.

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