FallbackDefinitionException: fallback method wasn't found

[ghost]

Hello, I am getting this exception even though the fallback method signature is same as actual method. The version of lib is hystrix-javanica-1.5.12 My code snippet:

@HystrixCommand(defaultFallback="getDefaultProductInventory")
@GetMapping("/{productCode}")
public ResponseEntity<ProductInventoryResponse> getProductInventory(@PathVariable String productCode) 
{
    // business logic
}
public ResponseEntity<ProductInventoryResponse> getDefaultProductInventory(String productCode) 
{
    //default response entity object creation logic
}

When debugged, it looks like inside method

com.netflix.hystrix.contrib.javanica.utils.MethodProvider.FallbackMethodFinder.doFind(Class<?>, Method, boolean) 

the condition

if (isDefault()) 
{
    fallbackParameterTypes = new Class[0];
} 
else 
{
    fallbackParameterTypes = commandMethod.getParameterTypes();
}

is always evaluated to true in my case and because of this fallbackParameterTypes array is empty and the method

com.netflix.hystrix.contrib.javanica.utils.MethodProvider.getMethod(Class<?>, String, Class<?>...) 

which is called later is trying to find fallback method signature with no parameters. But when I change my fallback method signature to

public ResponseEntity<ProductInventoryResponse> getDefaultProductInventory() {
    //default response entity object creation logic
}

all works fine as method signature matches. I am not able to understand why this is happening. I think as per reference documents, the fallback method signature should match with the actual method. But it seems this is not happening here. I want the productCode to be part of fallback method signature.

Can somebody tell me where is the issue in this case?

Thanks.

[farambarri]

I am facing exactly the same issue.

[farambarri]

I detected what is wrong.

please, try changing this

@HystrixCommand(defaultFallback="getDefaultProductInventory")

to

@HystrixCommand(fallbackMethod="getDefaultProductInventory")

[ChengxiangA]

@farambarri Thanks very much!!!