#444 - Spring Boot classpath scanning not finding entity beans

src/main/java/com/avaje/ebeaninternal/server/util/ClassPathSearch.java

@@ -157,7 +157,7 @@ public class ClassPathSearch implements ClassPathSearchService {
 
       } else if (element.isJarOrWar()) {
         // search name including the ! offset if it is there
-        if (classPathSize == 1 || filter.isSearchJar(element.getJarNameWithOffset())) {
+        if (classPathSize == 1 || filter.isSearchJar(element.getJarNameWithOffset(), element.getJarOffset())) {
           scanJar(element);
         }
 
@@ -234,6 +234,8 @@ public class ClassPathSearch implements ClassPathSearchService {
       File file = classPathEntry.classPath;
       module = new JarFile(file);
 
+      logger.trace("scanJar file:{}", file);
+
       List<URI> classPathFromManifest = getClassPathFromManifest(file, module.getManifest());
       for (URI uri : classPathFromManifest) {
         scanUri(uri);
@@ -303,7 +305,11 @@ public class ClassPathSearch implements ClassPathSearchService {
      * prefix. We want to come out with a name like WEB-INF/classes/ to ensure
      * we filter the contents of the war/jar file by this.
      */
-    if (jarOffset != null) {
+    if ("/".equals(jarOffset)) {
+      // root level for runnable jar (spring boot etc)
+      jarOffset = null;
+
+    } else if (jarOffset != null) {
       if (jarOffset.startsWith("/")) {
         jarOffset = jarOffset.substring(1);
       }
@@ -498,6 +504,10 @@ public class ClassPathSearch implements ClassPathSearchService {
     String getJarNameWithOffset() {
       return (jarOffset == null) ? classPath.getName() : classPath.getName() + "!" + jarOffset;
     }
+
+    String getJarOffset() {
+      return jarOffset;
+    }
   }
 
 }

src/main/java/com/avaje/ebeaninternal/server/util/ClassPathSearchFilter.java

@@ -122,17 +122,19 @@ public class ClassPathSearchFilter {
 	/**
 	 * Return true if the jar should be included in the search.
 	 */
-	public boolean isSearchJar(String jarName) {
+	public boolean isSearchJar(String jarName, String jarOffset) {
 
-		if (containedIn(includeJarSet, jarName)) {
-			return true;
-		}
+    if (containedIn(includeJarSet, jarName)) {
+      return true;
+    }
 
-		if (containedIn(excludeJarSet, jarName)) {
-			return false;
-		}
-		return defaultJarMatch;
-	}
+    if (containedIn(excludeJarSet, jarName)) {
+      return false;
+    }
+
+    // by default scan the root level in runnable jar (spring boot etc)
+    return "/".equals(jarOffset) || defaultJarMatch;
+  }
 
 	/**
 	 * Helper method to determine is a match is contained in the set.