Prevent restart when META-INF/maven/** changes

These files are modified by Eclipse for some reason when you change files
like Thymeleaf HTML files. `META-INF/maven/**` has been added to the
default exclusion.

Closes gh-3295
Closes gh-3297

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/autoconfigure/DevToolsProperties.java

@@ -29,7 +29,7 @@ import org.springframework.boot.context.properties.NestedConfigurationProperty;
 @ConfigurationProperties(prefix = "spring.devtools")
 public class DevToolsProperties {
 
-	private static final String DEFAULT_RESTART_EXCLUDES = "META-INF/resources/**,resources/**,static/**,public/**,templates/**";
+	private static final String DEFAULT_RESTART_EXCLUDES = "META-INF/maven/**,META-INF/resources/**,resources/**,static/**,public/**,templates/**";
 
 	private static final long DEFAULT_RESTART_POLL_INTERVAL = 1000;
 

spring-boot-devtools/src/test/java/org/springframework/boot/devtools/classpath/PatternClassPathRestartStrategyTests.java

@@ -19,8 +19,7 @@ package org.springframework.boot.devtools.classpath;
 import java.io.File;
 
 import org.junit.Test;
-import org.springframework.boot.devtools.classpath.ClassPathRestartStrategy;
-import org.springframework.boot.devtools.classpath.PatternClassPathRestartStrategy;
+
 import org.springframework.boot.devtools.filewatch.ChangedFile;
 import org.springframework.boot.devtools.filewatch.ChangedFile.Type;
 
@@ -31,6 +30,7 @@ import static org.junit.Assert.assertThat;
  * Tests for {@link PatternClassPathRestartStrategy}.
  *
  * @author Phillip Webb
+ * @author Andrew Landsverk
  */
 public class PatternClassPathRestartStrategyTests {
 
@@ -66,6 +66,16 @@ public class PatternClassPathRestartStrategyTests {
 		assertRestartRequired(strategy, "src/folder/file.txt", true);
 	}
 
+	@Test
+	public void pomChange() throws Exception {
+		ClassPathRestartStrategy strategy = createStrategy("META-INF/maven/**");
+		assertRestartRequired(strategy, "pom.xml", true);
+		assertRestartRequired(strategy,
+				"META-INF/maven/org.springframework.boot/spring-boot-devtools/pom.xml", false);
+		assertRestartRequired(strategy,
+				"META-INF/maven/org.springframework.boot/spring-boot-devtools/pom.properties", false);
+	}
+
 	private ClassPathRestartStrategy createStrategy(String pattern) {
 		return new PatternClassPathRestartStrategy(pattern);
 	}

spring-boot-docs/src/main/asciidoc/using-spring-boot.adoc

@@ -828,10 +828,10 @@ commercially supported.
 ==== Excluding resources
 Certain resources don't necessarily need to trigger a restart when they are changed. For
 example, Thymeleaf templates can just be edited in-place. By default changing resources
-in `/META-INF/resources` ,`/resources` ,`/static` ,`/public` or `/templates` will not
-trigger a restart. If you want to customize these exclusions you can use the
-`spring.devtools.restart.exclude` property. For example, to exclude only `/static` and
-`/public` you would set the following:
+in `/META-INF/maven`, ``/META-INF/resources` ,`/resources` ,`/static` ,`/public` or
+`/templates` will not trigger a restart. If you want to customize these exclusions you
+can use the `spring.devtools.restart.exclude` property. For example, to exclude only
+`/static` and `/public` you would set the following:
 
 [indent=0]
 ----