MINOR: Remove scala KafkaException (#11913)

Use the standard org.apache.kafka.common.KafkaException instead of kafka.common.KafkaException.

Reviewers: Colin P. McCabe <cmccabe@apache.org>, Ismael Juma <ismael@confluent.io>

core/src/main/scala/kafka/common/KafkaException.scala

@@ -1,27 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
-*/
-package kafka.common
-
-/**
- * Usage of this class is discouraged. Use org.apache.kafka.common.KafkaException instead.
- *
- * This class will be removed once kafka.security.auth classes are removed.
- */
-class KafkaException(message: String, t: Throwable) extends RuntimeException(message, t) {
-  def this(message: String) = this(message, null)
-  def this(t: Throwable) = this("", t)
-}

core/src/main/scala/kafka/log/LogCleanerManager.scala

@@ -21,15 +21,15 @@ import java.io.File
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.locks.ReentrantLock
 
-import kafka.common.{KafkaException, LogCleaningAbortedException}
+import kafka.common.LogCleaningAbortedException
 import kafka.metrics.KafkaMetricsGroup
 import kafka.server.LogDirFailureChannel
 import kafka.server.checkpoints.OffsetCheckpointFile
 import kafka.utils.CoreUtils._
 import kafka.utils.{Logging, Pool}
-import org.apache.kafka.common.TopicPartition
-import org.apache.kafka.common.utils.Time
+import org.apache.kafka.common.{KafkaException, TopicPartition}
 import org.apache.kafka.common.errors.KafkaStorageException
+import org.apache.kafka.common.utils.Time
 
 import scala.collection.{Iterable, Seq, mutable}
 

core/src/main/scala/kafka/server/BrokerMetadataCheckpoint.scala

@@ -21,9 +21,10 @@ import java.io._
 import java.nio.file.{Files, NoSuchFileException}
 import java.util.Properties
 
-import kafka.common.{InconsistentBrokerMetadataException, KafkaException}
+import kafka.common.InconsistentBrokerMetadataException
 import kafka.server.RawMetaProperties._
 import kafka.utils._
+import org.apache.kafka.common.KafkaException
 import org.apache.kafka.common.utils.Utils
 
 import scala.collection.mutable

core/src/main/scala/kafka/server/KafkaRaftServer.scala

@@ -19,15 +19,15 @@ package kafka.server
 import java.io.File
 import java.util.concurrent.CompletableFuture
 
-import kafka.common.{InconsistentNodeIdException, KafkaException}
+import kafka.common.InconsistentNodeIdException
 import kafka.log.{LogConfig, UnifiedLog}
 import kafka.metrics.{KafkaMetricsReporter, KafkaYammerMetrics}
 import kafka.raft.KafkaRaftManager
 import kafka.server.KafkaRaftServer.{BrokerRole, ControllerRole}
 import kafka.utils.{CoreUtils, Logging, Mx4jLoader, VerifiableProperties}
-import org.apache.kafka.common.utils.{AppInfoParser, Time}
-import org.apache.kafka.common.{TopicPartition, Uuid}
 import org.apache.kafka.common.config.{ConfigDef, ConfigResource}
+import org.apache.kafka.common.utils.{AppInfoParser, Time}
+import org.apache.kafka.common.{KafkaException, TopicPartition, Uuid}
 import org.apache.kafka.metadata.{KafkaConfigSchema, MetadataRecordSerde}
 import org.apache.kafka.raft.RaftConfig
 import org.apache.kafka.server.common.ApiMessageAndVersion

core/src/test/scala/unit/kafka/server/KafkaRaftServerTest.scala

@@ -19,9 +19,10 @@ package kafka.server
 import java.io.File
 import java.nio.file.Files
 import java.util.Properties
-import kafka.common.{InconsistentBrokerMetadataException, InconsistentNodeIdException, KafkaException}
+
+import kafka.common.{InconsistentBrokerMetadataException, InconsistentNodeIdException}
 import kafka.log.UnifiedLog
-import org.apache.kafka.common.Uuid
+import org.apache.kafka.common.{KafkaException, Uuid}
 import org.apache.kafka.common.utils.Utils
 import org.apache.kafka.test.TestUtils
 import org.junit.jupiter.api.Assertions._