It means that javac.exe executable file, which exists in bin directory of JDK installation folder is not added to PATH environment variable. You need to add JAVA_HOME/bin folder in your machine’s PATH to solve this error. You cannot compile and run Java program until your add Java into your system’s PATH variable.
Right-click the My Computer icon on your desktop and select Properties.
Click Advanced system settings link.
Click the Advanced tab.
Click the Environment Variables button.
Under System Variables, click New.
Enter the variable name as JAVA_HOME Enter the variable value as the installation path for the Java Development Kit as C:\Program Files\Java\jdk1.8.0_60
Make sure your file is available in all locations where you run the appropriate javac command. If the document cannot be found, you may receive this important error message. Run the catalog and check if the file is available in your region. Make sure the initialization extension is correct, i.e. H.Expresso
Indeed, the JVM often fails to find the javac.exe file. The javac.exe file is usually located in the bin folder of the JDK. The reason for the error is that PATH is not added to the system environment variable.
Some users have reported getting the error message “javac is definitely not recognized as an internal and/or possibly external command, operable program, or file on disk.” This MiniTool Partition Wizard post offers you 3 companies. Solution 1 – Check if you have installed the JDK file Solution 2 – Check if the javac path is correct. Solution 3: Add a variable path using the GUI
Which error will be raised when you want to import a package using Python but it doesn’t installed in your computer import error module not found error Index Error File Not Found error?
The Is modulenotfound error occurs when Python cannot access the error. The most common cause of this error is forgetting to install a module or importing your own failed module.
In which case a NoClassDefFoundError will be thrown when try to compile a non found Java file when try to run a non found Java .class file when try to compile a non found Java file try to run a non found Java .class file?
They refer to the Java classpath. If a ClassNotFoundException occurs, try using a class to load a good class at runtime. The requested methods and classes forName() or loadClass() were not found on the classpath. In most cases, exceptions are thrown when you try to train an application without updating the classpath with JAR files.
In which case a NoClassDefFoundError will be thrown when try to compile a non found java file when try to run a non found java .class file when try to compile a non found java file try to run a non found java .class file?
You have joined the Java classpath. Look for ClassNotFoundException when trying to load an important class while working on the class. The forName() or loadClass() methods and the requested courses could not be found on the classpath. In most cases, this exception can be thrown when an application tries to crash without updating the classpath with JAR files.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.