diff --git a/.travis.yml b/.travis.yml
index c93152106..4446a9b14 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,6 @@ install: .travis/before_test.sh
 jdk:
     - oraclejdk8
     - oraclejdk7
-    - openjdk7
 env:
     - MARIA_VERSION=5.5 MAX_ALLOWED_PACKET=8M INNODB_LOG_FILE_SIZE=80M
     - MARIA_VERSION=5.5 MAX_ALLOWED_PACKET=20M INNODB_LOG_FILE_SIZE=200M
diff --git a/src/main/java/org/mariadb/jdbc/internal/queryresults/resultset/MariaSelectResultSet.java b/src/main/java/org/mariadb/jdbc/internal/queryresults/resultset/MariaSelectResultSet.java
index 0511dc965..634dbbae5 100644
--- a/src/main/java/org/mariadb/jdbc/internal/queryresults/resultset/MariaSelectResultSet.java
+++ b/src/main/java/org/mariadb/jdbc/internal/queryresults/resultset/MariaSelectResultSet.java
@@ -127,6 +127,7 @@ public class MariaSelectResultSet implements ResultSet {
      * @param resultSetScrollType one of the following <code>ResultSet</code> constants: <code>ResultSet.TYPE_FORWARD_ONLY</code>,
      *                            <code>ResultSet.TYPE_SCROLL_INSENSITIVE</code>, or <code>ResultSet.TYPE_SCROLL_SENSITIVE</code>
      * @param fetchSize           current fetch size
+     * @param isCanHaveCallableResultset is it from a callableStatement ?
      */
     public MariaSelectResultSet(ColumnInformation[] columnInformation, Statement statement, Protocol protocol,
                                 ReadPacketFetcher fetcher, boolean isBinaryEncoded,
@@ -3430,7 +3431,7 @@ private int extractNanos(String timestring) throws ParseException {
 
     /**
      * Get inputStream value from raw data.
-     *
+     * @param rawBytes rowdata
      * @return inputStream
      */
     public InputStream getInputStream(byte[] rawBytes) {
diff --git a/src/main/java/org/mariadb/jdbc/internal/util/scheduler/DynamicSizedSchedulerInterface.java b/src/main/java/org/mariadb/jdbc/internal/util/scheduler/DynamicSizedSchedulerInterface.java
index e18e109e5..0030450a8 100644
--- a/src/main/java/org/mariadb/jdbc/internal/util/scheduler/DynamicSizedSchedulerInterface.java
+++ b/src/main/java/org/mariadb/jdbc/internal/util/scheduler/DynamicSizedSchedulerInterface.java
@@ -85,6 +85,8 @@ public interface DynamicSizedSchedulerInterface extends ScheduledExecutorService
      * task.  Once the task completes the pool size will be adjusted back down.
      * 
      * @param task Task to be executed
+     * @param delay delay before execution
+     * @param unit unit of delay
      * @return Future which represents task execution
      */
     public Future<?> addThreadAndSchedule(Runnable task, long delay, TimeUnit unit);