Update mcp-core/src/main/java/io/modelcontextprotocol/util/McpServiceLoader.java

scottslewis · LucaButBoring · web-flow · commit fbda61f3bc7c · 2026-01-29T13:46:35.000-08:00
Co-authored-by: Luca Chang &lt;131398524+LucaButBoring@users.noreply.github.com&gt;
diff --git a/mcp-core/src/main/java/io/modelcontextprotocol/util/McpServiceLoader.java b/mcp-core/src/main/java/io/modelcontextprotocol/util/McpServiceLoader.java
@@ -38,7 +38,7 @@ public synchronized R getDefault() {
 				// Use serviceloader
 				Optional<?> sl = serviceLoad(this.supplierType);
 				if (sl.isEmpty()) {
-					throw new ServiceConfigurationError("No JsonMapperSupplier available for creating McpJsonMapper");
+					throw new ServiceConfigurationError("No %s available for creating McpJsonMapper".format(this.supplierType.getSimpleName()));
 				}
 				this.supplier = (S) sl.get();
 			}

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ public synchronized R getDefault() {`
`38`	`38`	`// Use serviceloader`
`39`	`39`	`Optional<?> sl = serviceLoad(this.supplierType);`
`40`	`40`	`if (sl.isEmpty()) {`
`41`		`- throw new ServiceConfigurationError("No JsonMapperSupplier available for creating McpJsonMapper");`
	`41`	`+ throw new ServiceConfigurationError("No %s available for creating McpJsonMapper".format(this.supplierType.getSimpleName()));`
`42`	`42`	`}`
`43`	`43`	`this.supplier = (S) sl.get();`
`44`	`44`	`}`