Parameter value [1] did not match expected type [java.lang.Boolean (n/a)]; nested exception is java.lang.IllegalArgumentException: Parameter value [1] did not match expected type [java.lang.Boolean (n/a)]

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methods of Object

This error message indicates that you are trying to pass a value of type int or String to a method or constructor that is expecting a value of type Boolean.

Answer 1

Here is an example of how this error might occur:

public void setFlag(Boolean flag) {
    this.flag = flag;
}

...

setFlag(1); // this will cause the error

To fix this error, you need to make sure that you are passing a value of the correct type to the method or constructor. In this case, you need to pass a Boolean value, either true or false.

Here is an example of how you could fix the error:

setFlag(true); // this will not cause the error

Alternatively, you could also fix the error by converting the value you are trying to pass to the correct type. For example:

setFlag(Boolean.valueOf(1)); // this will not cause the error

I hope this helps! Let me know if you have any questions.

Answer 2

This error message is usually caused by an issue with a method or function that is being passed an argument of the wrong data type.

In the error message, it mentions that the parameter value being passed is of type [1] and the expected type is [java.lang.Boolean (n/a)]. This means that the method or function is expecting a boolean value (true or false) as an argument, but it is being passed a value of type int (1).

To fix this error, you will need to make sure that the argument being passed to the method or function is of the correct data type. If the value being passed should be a boolean, you will need to pass either true or false instead of 1.

It’s also possible that there is a bug in the code that is causing the wrong argument to be passed to the method or function. In this case, you will need to debug the code to find and fix the issue.

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