echo your environment variables to see if "java.exe" and "javac.exe" are
  echo available via JAVA_HOME or PATH.
  echo.
  if defined DOUBLECLICKED pause
  exit /B 1
)

rem Check what Java version is being used to determine what memory options to use
for /f "tokens=3" %%g in ('java -version 2^>^&1 ^| findstr /i "version"') do (
    set JAVA_VERSION=%%g
)

rem Strips away the " characters

)

REM min and max heap sizes should be set to the same value to avoid
REM stop-the-world GC pauses during resize, and so that we can lock the
REM heap in memory on startup to prevent any of it from being swapped
REM out.
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Xms%FESS_MIN_MEM% -Xmx%FESS_MAX_MEM%
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -XX:MaxMetaspaceSize=256m -XX:CompressedClassSpaceSize=32m

REM new generation