Catch errors when adding SourceHttpMessageConverter

This commit ignores errors like TransformerFactoryConfigurationError
that can be thrown when instantiating SourceHttpMessageConverter on
platforms where no TransformerFactory implementation is available,
like when compiling/running as GraalVM native images.

Issue: SPR-17007

Author: sdeleuze

spring-web/src/main/java/org/springframework/http/converter/support/AllEncompassingFormHttpMessageConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -64,7 +64,12 @@ public class AllEncompassingFormHttpMessageConverter extends FormHttpMessageConv
 
 
 	public AllEncompassingFormHttpMessageConverter() {
-		addPartConverter(new SourceHttpMessageConverter<>());
+		try {
+			addPartConverter(new SourceHttpMessageConverter<>());
+		}
+		catch (Error err) {
+			// Ignore when no TransformerFactory implementation is available
+		}
 
 		if (jaxb2Present && !jackson2XmlPresent) {
 			addPartConverter(new Jaxb2RootElementHttpMessageConverter());

spring-web/src/main/java/org/springframework/web/client/RestTemplate.java

@@ -179,7 +179,12 @@ public RestTemplate() {
 		this.messageConverters.add(new ByteArrayHttpMessageConverter());
 		this.messageConverters.add(new StringHttpMessageConverter());
 		this.messageConverters.add(new ResourceHttpMessageConverter(false));
-		this.messageConverters.add(new SourceHttpMessageConverter<>());
+		try {
+			this.messageConverters.add(new SourceHttpMessageConverter<>());
+		}
+		catch (Error err) {
+			// Ignore when no TransformerFactory implementation is available
+		}
 		this.messageConverters.add(new AllEncompassingFormHttpMessageConverter());
 
 		if (romePresent) {

spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/WebMvcConfigurationSupport.java

@@ -805,7 +805,12 @@ protected final void addDefaultHttpMessageConverters(List<HttpMessageConverter<?
 		messageConverters.add(stringHttpMessageConverter);
 		messageConverters.add(new ResourceHttpMessageConverter());
 		messageConverters.add(new ResourceRegionHttpMessageConverter());
-		messageConverters.add(new SourceHttpMessageConverter<>());
+		try {
+			messageConverters.add(new SourceHttpMessageConverter<>());
+		}
+		catch (Error err) {
+			// Ignore when no TransformerFactory implementation is available
+		}
 		messageConverters.add(new AllEncompassingFormHttpMessageConverter());
 
 		if (romePresent) {

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/ExceptionHandlerExceptionResolver.java

@@ -111,7 +111,12 @@ public ExceptionHandlerExceptionResolver() {
 		this.messageConverters = new ArrayList<>();
 		this.messageConverters.add(new ByteArrayHttpMessageConverter());
 		this.messageConverters.add(stringHttpMessageConverter);
-		this.messageConverters.add(new SourceHttpMessageConverter<>());
+		try {
+			this.messageConverters.add(new SourceHttpMessageConverter<>());
+		}
+		catch (Error err) {
+			// Ignore when no TransformerFactory implementation is available
+		}
 		this.messageConverters.add(new AllEncompassingFormHttpMessageConverter());
 	}
 

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java

@@ -184,7 +184,12 @@ public RequestMappingHandlerAdapter() {
 		this.messageConverters = new ArrayList<>(4);
 		this.messageConverters.add(new ByteArrayHttpMessageConverter());
 		this.messageConverters.add(stringHttpMessageConverter);
-		this.messageConverters.add(new SourceHttpMessageConverter<>());
+		try {
+			this.messageConverters.add(new SourceHttpMessageConverter<>());
+		}
+		catch (Error err) {
+			// Ignore when no TransformerFactory implementation is available
+		}
 		this.messageConverters.add(new AllEncompassingFormHttpMessageConverter());
 	}