[SPARK-29113][DOC] Fix some annotation errors and remove meaningless annotations in project.

core/src/main/java/org/apache/spark/io/NioBufferedFileInputStream.java

@@ -51,7 +51,6 @@ public NioBufferedFileInputStream(File file) throws IOException {
   /**
    * Checks weather data is left to be read from the input stream.
    * @return true if data is left, false otherwise
-   * @throws IOException
    */
   private boolean refill() throws IOException {
     if (!byteBuffer.hasRemaining()) {

core/src/main/java/org/apache/spark/memory/MemoryConsumer.java

@@ -78,7 +78,6 @@ public void spill() throws IOException {
    * @param size the amount of memory should be released
    * @param trigger the MemoryConsumer that trigger this spilling
    * @return the amount of released memory in bytes
-   * @throws IOException
    */
   public abstract long spill(long size, MemoryConsumer trigger) throws IOException;
 

core/src/main/java/org/apache/spark/shuffle/sort/ShuffleExternalSorter.java

@@ -423,7 +423,6 @@ public void insertRecord(Object recordBase, long recordOffset, int length, int p
    *
    * @return metadata for the spill files written by this sorter. If no records were ever inserted
    *         into this sorter, then this will return an empty array.
-   * @throws IOException
    */
   public SpillInfo[] closeAndGetSpills() throws IOException {
     if (inMemSorter != null) {

core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorter.java

@@ -447,8 +447,6 @@ public void insertKVRecord(Object keyBase, long keyOffset, int keyLen,
 
   /**
    * Merges another UnsafeExternalSorters into this one, the other one will be emptied.
-   *
-   * @throws IOException
    */
   public void merge(UnsafeExternalSorter other) throws IOException {
     other.spill();

core/src/main/scala/org/apache/spark/deploy/history/ApplicationCache.scala

@@ -209,9 +209,8 @@ private[history] class ApplicationCache(
 
   /**
    * Register a filter for the web UI which checks for updates to the given app/attempt
-   * @param ui Spark UI to attach filters to
-   * @param appId application ID
-   * @param attemptId attempt ID
+   * @param key consisted of appId and attemptId
+   * @param loadedUI Spark UI to attach filters to
    */
   private def registerFilter(key: CacheKey, loadedUI: LoadedAppUI): Unit = {
     require(loadedUI != null)
@@ -231,7 +230,7 @@ private[history] class ApplicationCache(
 /**
  * An entry in the cache.
  *
- * @param ui Spark UI
+ * @param loadedUI Spark UI
  * @param completed Flag to indicated that the application has completed (and so
  *                 does not need refreshing).
  */

core/src/main/scala/org/apache/spark/scheduler/TaskSetBlacklist.scala

@@ -69,7 +69,6 @@ private[scheduler] class TaskSetBlacklist(
 
   /**
    * Get the most recent failure reason of this TaskSet.
-   * @return
    */
   def getLatestFailureReason: String = {
     latestFailureReason

core/src/main/scala/org/apache/spark/storage/BlockManager.scala

@@ -853,7 +853,6 @@ private[spark] class BlockManager(
    * @param bufferTransformer this transformer expected to open the file if the block is backed by a
    *                          file by this it is guaranteed the whole content can be loaded
    * @tparam T result type
-   * @return
    */
   private[spark] def getRemoteBlock[T](
       blockId: BlockId,

resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerUtils.scala

@@ -285,7 +285,6 @@ trait MesosSchedulerUtils extends Logging {
    * The attribute values are the mesos attribute types and they are
    *
    * @param offerAttributes the attributes offered
-   * @return
    */
   protected def toAttributeMap(offerAttributes: JList[Attribute])
     : Map[String, GeneratedMessageV3] = {

sql/core/src/main/scala/org/apache/spark/sql/execution/ExplainUtils.scala

@@ -41,7 +41,7 @@ object ExplainUtils {
    *
    * @param plan Input query plan to process
    * @param append function used to append the explain output
-   * @param startOperationID The start value of operation id. The subsequent operations will
+   * @param startOperatorID The start value of operation id. The subsequent operations will
    *                         be assigned higher value.
    *
    * @return The last generated operation id for this input plan. This is to ensure we
@@ -125,7 +125,7 @@ object ExplainUtils {
    *       appear in the explain output.
    *    2. operator identifier starts at startOperatorID + 1
    * @param plan Input query plan to process
-   * @param startOperationID The start value of operation id. The subsequent operations will
+   * @param startOperatorID The start value of operation id. The subsequent operations will
    *                         be assigned higher value.
    * @param operatorIDs A output parameter that contains a map of operator id and query plan. This
    *                    is used by caller to print the detail portion of the plan.