Allows `./gradlew clean build` to run successfully. (#355)

* CI job `check` will run `build` gradle task

.circleci/config.yml

@@ -161,7 +161,7 @@ jobs:
 
       - run:
           name: Build Project
-          command: GRADLE_OPTS="-Dota.forkedMaxHeapSize=4G -Dota.forkedMinHeapSize=64M" ./gradlew check -PskipTests --build-cache --parallel --stacktrace --no-daemon --max-workers=8
+          command: GRADLE_OPTS="-Dota.forkedMaxHeapSize=4G -Dota.forkedMinHeapSize=64M" ./gradlew build -PskipTests --build-cache --parallel --stacktrace --no-daemon --max-workers=8
 
       - run:
           name: Collect Reports

agent-bootstrap/src/main/java/io/opentelemetry/auto/bootstrap/instrumentation/jdbc/DBInfo.java

@@ -30,4 +30,6 @@ public class DBInfo {
   private final String db;
   private final String host;
   private final Integer port;
+
+  public static class Builder {}
 }

agent-bootstrap/src/main/java/io/opentelemetry/auto/config/Config.java

@@ -42,7 +42,7 @@ import lombok.extern.slf4j.Slf4j;
  * <p>
  *
  * <p>System properties are {@link Config#PREFIX}'ed. Environment variables are the same as the
- * system property, but uppercased with '.' -> '_'.
+ * system property, but uppercased and '.' is replaced with '_'.
  */
 @Slf4j
 @ToString(includeFieldNames = true)

gradle/java.gradle

@@ -182,6 +182,7 @@ javadoc {
     setAuthor true
 
     links "https://docs.oracle.com/javase/8/docs/api/"
+    source = 8
   }
 }