ApacheDirectoryStudio A Java Runtime Environment (JRE) or Java Development Kit (JDK) must be available in order to run ApacheDirectoryStudio. No Java virtual machine wsa found after searching the following locations

Error
ApacheDirectoryStudio

A Java Runtime Environment (JRE) or Java Development Kit (JDK)
must be available in order to run ApacheDirectoryStudio. No Java virtual machine wsa found
after searching the following locations:
C:\Program Files\Apache Directory Studio\jre\bin\javaw.exe
javaw.exe in your current PATH

in you install simple java you will get below error

ApacheDirectoryStudio

Java was started but returning exit code=13

C:/Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe

-Dosgi.requiredJavaVersion=1.8

-jar C:/Program Files\Apache Directory

Studio\\plugins/org.eclipse.equinox.launcher_1.5.700.v20200207-215.jar

-os win32

-ws win32

..........

.

Solution:

The issue is Apache Directory Studio is looking for JDK. It is also mentioned in the Apache Directory Studio installation documentaion to have JDK 1.8 or newer installed.

Download JDK and install it. Once finished JDK installation. start the Apache Directory Studio It will work

here is link to download JDK 1.8

https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html