Remove usage of UndeclaredThrowableException

Author: oryan-block

src/main/kotlin/graphql/kickstart/tools/resolver/MethodFieldResolver.kt

@@ -30,7 +30,7 @@ internal class MethodFieldResolver(
     field: FieldDefinition,
     search: FieldResolverScanner.Search,
     options: SchemaParserOptions,
-    val method: Method
+    val method: Method,
 ) : FieldResolver(field, search, options, search.type) {
 
     private val log = LoggerFactory.getLogger(javaClass)
@@ -187,7 +187,7 @@ internal open class MethodFieldResolverDataFetcher(
     private val sourceResolver: SourceResolver,
     method: Method,
     private val args: List<ArgumentPlaceholder>,
-    private val options: SchemaParserOptions
+    private val options: SchemaParserOptions,
 ) : DataFetcher<Any> {
 
     private val resolverMethod = method
@@ -242,7 +242,7 @@ internal class TrivialMethodFieldResolverDataFetcher(
     sourceResolver: SourceResolver,
     method: Method,
     args: List<ArgumentPlaceholder>,
-    options: SchemaParserOptions
+    options: SchemaParserOptions,
 ) : MethodFieldResolverDataFetcher(sourceResolver, method, args, options),
     TrivialDataFetcher<Any> // just to mark it for tracing and optimizations
 
@@ -256,11 +256,7 @@ private fun invoke(method: Method, instance: Any, args: Array<Any?>): Any? {
     try {
         return method.invoke(instance, *args)
     } catch (invocationException: InvocationTargetException) {
-        when (val e = invocationException.cause) {
-            is RuntimeException -> throw e
-            is Error -> throw e
-            else -> throw e ?: RuntimeException("Unknown error occurred while invoking resolver method")
-        }
+        throw  invocationException.cause ?: RuntimeException("Unknown error occurred while invoking resolver method")
     }
 }