Java compilation failed internal java compiler error


If you see the error message “java.lang.RuntimeException: java.lang.reflect.InvocationTargetException” or “java.lang.reflect.InvocationTargetException” when you try to compile your Java code, it means that the compiler is unable to produce a class file because of some sort of internal error. This is usually caused by a bug in the Java compiler itself, but it can also be caused by a problem with your code or with the environment in which you are trying to compile it.

What is the java compilation process?

The java compilation process is the process of converting java source code into java bytecode. The bytecode is then run on a java virtual machine (JVM).

The main advantage of using the java compilation process is that it allows java source code to be portable across different platforms.

What causes the java compilation process to fail?

There can be many causes for the java compilation process to fail. One common cause is a syntax error in the java code. Another common cause is a dependency error, where the code depends on a class that does not exist.

How to fix the java compilation process?

The “java.lang.reflect.InvocationTargetException” error is thrown when an attempt is made to invoke a method on a target object, but that target method throws an exception itself. This can happen when you are using reflection to invoke methods, or when you are using third-party libraries that make use of reflection themselves.

There are a few ways to fix this issue:

-Update your Java version: Make sure that you are using the latest version of Java. Older versions of Java can sometimes cause this error.

-Check your classpath: Make sure that all of the necessary classes are on your classpath when you compile your program. If you are using an IDE, make sure that the IDE’s classpath is correctly configured.

-Rebuild your project: Sometimes, simply rebuildng your project can resolve this issue.

If none of these solutions work, then it is likely that there is a bug in the code that you are attempting to compile. In this case, you will need to contact the developers of that code and report the issue to them.


After doing some research, we have come to the conclusion that the issue is most likely caused by a bug in the Java compiler. We would recommend trying to use a different version of Java, or alternatively, contacting Oracle for support.

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