Revert "Remove unnecessary throws clause"

src/main/java/org/mybatis/spring/SqlSessionTemplate.java

@@ -389,7 +389,7 @@ public List<BatchResult> flushStatements() {
 
   /**
    * Allow gently dispose bean:
-   * 
+   *
    * <pre>
    * {@code
    *
@@ -407,7 +407,7 @@ public List<BatchResult> flushStatements() {
    * @see "org.springframework.beans.factory.support.DisposableBeanAdapter#CLOSE_METHOD_NAME"
    */
   @Override
-  public void destroy() {
+  public void destroy() throws Exception {
     // This method forces spring disposer to avoid call of SqlSessionTemplate.close() which gives
     // UnsupportedOperationException
   }

src/main/java/org/mybatis/spring/batch/MyBatisCursorItemReader.java

@@ -50,7 +50,7 @@ public MyBatisCursorItemReader() {
   }
 
   @Override
-  protected T doRead() {
+  protected T doRead() throws Exception {
     T next = null;
     if (cursorIterator.hasNext()) {
       next = cursorIterator.next();
@@ -59,7 +59,7 @@ protected T doRead() {
   }
 
   @Override
-  protected void doOpen() {
+  protected void doOpen() throws Exception {
     Map<String, Object> parameters = new HashMap<>();
     if (parameterValues != null) {
       parameters.putAll(parameterValues);

src/main/java/org/mybatis/spring/transaction/SpringManagedTransaction.java

@@ -111,15 +111,15 @@ public void rollback() throws SQLException {
    * {@inheritDoc}
    */
   @Override
-  public void close() {
+  public void close() throws SQLException {
     DataSourceUtils.releaseConnection(this.connection, this.dataSource);
   }
 
   /**
    * {@inheritDoc}
    */
   @Override
-  public Integer getTimeout() {
+  public Integer getTimeout() throws SQLException {
     ConnectionHolder holder = (ConnectionHolder) TransactionSynchronizationManager.getResource(dataSource);
     if (holder != null && holder.hasTimeout()) {
       return holder.getTimeToLiveInSeconds();