Hyukjin Kwon created SPARK-25001:
------------------------------------

             Summary: Remove build warnings in common, core, launcher, mllib, 
sql
                 Key: SPARK-25001
                 URL: https://issues.apache.org/jira/browse/SPARK-25001
             Project: Spark
          Issue Type: Improvement
          Components: Build
    Affects Versions: 2.4.0
            Reporter: Hyukjin Kwon


There are many warnings in the current build (for instance see 
https://amplab.cs.berkeley.edu/jenkins/job/spark-master-test-sbt-hadoop-2.7/4734/console).

{code}
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/kvstore/src/main/java/org/apache/spark/util/kvstore/LevelDB.java:237:
 warning: [rawtypes] found raw type: LevelDBIterator
[warn]   void closeIterator(LevelDBIterator it) throws IOException {
[warn]                      ^
[warn]   missing type arguments for generic class LevelDBIterator<T>
[warn]   where T is a type-variable:
[warn]     T extends Object declared in class LevelDBIterator
[warn] 1 warning
[warn] Pruning sources from previous analysis, due to incompatible CompileSetup.
[warn] Pruning sources from previous analysis, due to incompatible CompileSetup.

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/server/TransportServer.java:151:
 warning: [deprecation] group() in AbstractBootstrap has been deprecated
[warn]     if (bootstrap != null && bootstrap.group() != null) {
[warn]                                       ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/server/TransportServer.java:152:
 warning: [deprecation] group() in AbstractBootstrap has been deprecated
[warn]       bootstrap.group().shutdownGracefully();
[warn]                ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/server/TransportServer.java:154:
 warning: [deprecation] childGroup() in ServerBootstrap has been deprecated
[warn]     if (bootstrap != null && bootstrap.childGroup() != null) {
[warn]                                       ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/server/TransportServer.java:155:
 warning: [deprecation] childGroup() in ServerBootstrap has been deprecated
[warn]       bootstrap.childGroup().shutdownGracefully();
[warn]                ^

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/util/NettyUtils.java:112:
 warning: [deprecation] 
PooledByteBufAllocator(boolean,int,int,int,int,int,int,int) in 
PooledByteBufAllocator has been deprecated
[warn]     return new PooledByteBufAllocator(
[warn]            ^

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/client/TransportClient.java:321:
 warning: [rawtypes] found raw type: Future
[warn]     public void operationComplete(Future future) throws Exception {
[warn]                                   ^
[warn]   missing type arguments for generic class Future<V>
[warn]   where V is a type-variable:
[warn]     V extends Object declared in interface Future
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/client/TransportResponseHandler.java:215:
 warning: [rawtypes] found raw type: StreamInterceptor
[warn]           StreamInterceptor interceptor = new StreamInterceptor(this, 
resp.streamId, resp.byteCount,
[warn]           ^
[warn]   missing type arguments for generic class StreamInterceptor<T>
[warn]   where T is a type-variable:
[warn]     T extends Message declared in class StreamInterceptor
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/client/TransportResponseHandler.java:215:
 warning: [rawtypes] found raw type: StreamInterceptor
[warn]           StreamInterceptor interceptor = new StreamInterceptor(this, 
resp.streamId, resp.byteCount,
[warn]                                               ^
[warn]   missing type arguments for generic class StreamInterceptor<T>
[warn]   where T is a type-variable:
[warn]     T extends Message declared in class StreamInterceptor
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/client/TransportResponseHandler.java:215:
 warning: [unchecked] unchecked call to 
StreamInterceptor(MessageHandler<T>,String,long,StreamCallback) as a member of 
the raw type StreamInterceptor
[warn]           StreamInterceptor interceptor = new StreamInterceptor(this, 
resp.streamId, resp.byteCount,
[warn]                                           ^
[warn]   where T is a type-variable:
[warn]     T extends Message declared in class StreamInterceptor
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/server/TransportRequestHandler.java:255:
 warning: [rawtypes] found raw type: StreamInterceptor
[warn]         StreamInterceptor interceptor = new StreamInterceptor(this, 
wrappedCallback.getID(),
[warn]         ^
[warn]   missing type arguments for generic class StreamInterceptor<T>
[warn]   where T is a type-variable:
[warn]     T extends Message declared in class StreamInterceptor
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/server/TransportRequestHandler.java:255:
 warning: [rawtypes] found raw type: StreamInterceptor
[warn]         StreamInterceptor interceptor = new StreamInterceptor(this, 
wrappedCallback.getID(),
[warn]                                             ^
[warn]   missing type arguments for generic class StreamInterceptor<T>
[warn]   where T is a type-variable:
[warn]     T extends Message declared in class StreamInterceptor
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/server/TransportRequestHandler.java:255:
 warning: [unchecked] unchecked call to 
StreamInterceptor(MessageHandler<T>,String,long,StreamCallback) as a member of 
the raw type StreamInterceptor
[warn]         StreamInterceptor interceptor = new StreamInterceptor(this, 
wrappedCallback.getID(),
[warn]                                         ^
[warn]   where T is a type-variable:
[warn]     T extends Message declared in class StreamInterceptor
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/crypto/TransportCipher.java:270:
 warning: [deprecation] transfered() in FileRegion has been deprecated
[warn]         region.transferTo(byteRawChannel, region.transfered());
[warn]                                                 ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslEncryption.java:304:
 warning: [deprecation] transfered() in FileRegion has been deprecated
[warn]         region.transferTo(byteChannel, region.transfered());
[warn]                                              ^
[warn] 14 warnings
[warn] Pruning sources from previous analysis, due to incompatible CompileSetup.
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/test/java/org/apache/spark/network/ProtocolSuite.java:119:
 warning: [deprecation] transfered() in FileRegion has been deprecated
[warn]       while (in.transfered() < in.count()) {
[warn]                ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/network-common/src/test/java/org/apache/spark/network/ProtocolSuite.java:120:
 warning: [deprecation] transfered() in FileRegion has been deprecated
[warn]         in.transferTo(channel, in.transfered());
[warn]                                  ^
[warn] 2 warnings

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/unsafe/src/test/java/org/apache/spark/unsafe/hash/Murmur3_x86_32Suite.java:80:
 warning: [static] static method should be qualified by type name, 
Murmur3_x86_32, instead of by an expression
[warn]     Assert.assertEquals(-300363099, hasher.hashUnsafeWords(bytes, 
offset, 16, 42));
[warn]                                           ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/unsafe/src/test/java/org/apache/spark/unsafe/hash/Murmur3_x86_32Suite.java:84:
 warning: [static] static method should be qualified by type name, 
Murmur3_x86_32, instead of by an expression
[warn]     Assert.assertEquals(-1210324667, hasher.hashUnsafeWords(bytes, 
offset, 16, 42));
[warn]                                            ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/common/unsafe/src/test/java/org/apache/spark/unsafe/hash/Murmur3_x86_32Suite.java:88:
 warning: [static] static method should be qualified by type name, 
Murmur3_x86_32, instead of by an expression
[warn]     Assert.assertEquals(-634919701, hasher.hashUnsafeWords(bytes, 
offset, 16, 42));
[warn]                                           ^
[warn] 3 warnings

[warn] Pruning sources from previous analysis, due to incompatible CompileSetup.
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/launcher/src/main/java/org/apache/spark/launcher/AbstractLauncher.java:31:
 warning: [rawtypes] found raw type: AbstractLauncher
[warn] public abstract class AbstractLauncher<T extends AbstractLauncher> {
[warn]                                                  ^
[warn]   missing type arguments for generic class AbstractLauncher<T>
[warn]   where T is a type-variable:
[warn]     T extends AbstractLauncher declared in class AbstractLauncher
[warn] 1 warning
[warn] Pruning sources from previous analysis, due to incompatible CompileSetup.
[warn] Pruning sources from previous analysis, due to incompatible CompileSetup.

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/main/scala/org/apache/spark/api/r/RBackend.scala:99:
 method group in class AbstractBootstrap is deprecated: see corresponding 
Javadoc for more information.
[warn]     if (bootstrap != null && bootstrap.group() != null) {
[warn]                                        ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/main/scala/org/apache/spark/api/r/RBackend.scala:100:
 method group in class AbstractBootstrap is deprecated: see corresponding 
Javadoc for more information.
[warn]       bootstrap.group().shutdownGracefully()
[warn]                 ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/main/scala/org/apache/spark/api/r/RBackend.scala:102:
 method childGroup in class ServerBootstrap is deprecated: see corresponding 
Javadoc for more information.
[warn]     if (bootstrap != null && bootstrap.childGroup() != null) {
[warn]                                        ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/main/scala/org/apache/spark/api/r/RBackend.scala:103:
 method childGroup in class ServerBootstrap is deprecated: see corresponding 
Javadoc for more information.
[warn]       bootstrap.childGroup().shutdownGracefully()
[warn]                 ^

[warn] 6 warnings found
[warn] Pruning sources from previous analysis, due to incompatible CompileSetup.
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/util/ClosureCleanerSuite.scala:151:
 reflective access of structural type member method getData should be enabled
[warn] by making the implicit value scala.language.reflectiveCalls visible.
[warn] This can be achieved by adding the import clause 'import 
scala.language.reflectiveCalls'
[warn] or by setting the compiler option -language:reflectiveCalls.
[warn] See the Scaladoc for value scala.language.reflectiveCalls for a 
discussion
[warn] why the feature should be explicitly enabled.
[warn]       val rdd = sc.parallelize(1 to 1).map(concreteObject.getData)
[warn]                                                           ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/util/ClosureCleanerSuite.scala:175:
 reflective access of structural type member value innerObject2 should be 
enabled
[warn] by making the implicit value scala.language.reflectiveCalls visible.
[warn]       val rdd = sc.parallelize(1 to 
1).map(concreteObject.innerObject2.getData)
[warn]                                                           ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/util/ClosureCleanerSuite.scala:175:
 reflective access of structural type member method getData should be enabled
[warn] by making the implicit value scala.language.reflectiveCalls visible.
[warn]       val rdd = sc.parallelize(1 to 
1).map(concreteObject.innerObject2.getData)
[warn]                                                                        ^

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/LocalSparkContext.scala:32:
 constructor Slf4JLoggerFactory in class Slf4JLoggerFactory is deprecated: see 
corresponding Javadoc for more information.
[warn]     InternalLoggerFactory.setDefaultFactory(new Slf4JLoggerFactory())
[warn]                                             ^

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/status/AppStatusListenerSuite.scala:218:
 value attemptId in class StageInfo is deprecated: Use attemptNumber instead
[warn]         assert(wrapper.stageAttemptId === stages.head.attemptId)
[warn]                                                       ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/status/AppStatusListenerSuite.scala:261:
 value attemptId in class StageInfo is deprecated: Use attemptNumber instead
[warn]       stageAttemptId = stages.head.attemptId))
[warn]                                    ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/status/AppStatusListenerSuite.scala:287:
 value attemptId in class StageInfo is deprecated: Use attemptNumber instead
[warn]       stageAttemptId = stages.head.attemptId))
[warn]                                    ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/status/AppStatusListenerSuite.scala:471:
 value attemptId in class StageInfo is deprecated: Use attemptNumber instead
[warn]       stageAttemptId = stages.last.attemptId))
[warn]                                    ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/status/AppStatusListenerSuite.scala:966:
 value attemptId in class StageInfo is deprecated: Use attemptNumber instead
[warn]     listener.onTaskStart(SparkListenerTaskStart(dropped.stageId, 
dropped.attemptId, task))
[warn]                                                                          
^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/status/AppStatusListenerSuite.scala:972:
 value attemptId in class StageInfo is deprecated: Use attemptNumber instead
[warn]     listener.onTaskEnd(SparkListenerTaskEnd(dropped.stageId, 
dropped.attemptId,
[warn]                                                                      ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/status/AppStatusListenerSuite.scala:976:
 value attemptId in class StageInfo is deprecated: Use attemptNumber instead
[warn]       .taskSummary(dropped.stageId, dropped.attemptId, Array(0.25d, 
0.50d, 0.75d))
[warn]                                             ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/status/AppStatusListenerSuite.scala:1146:
 value attemptId in class StageInfo is deprecated: Use attemptNumber instead
[warn]       SparkListenerTaskEnd(stage1.stageId, stage1.attemptId, "taskType", 
Success, tasks(1), null))
[warn]                                                   ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/status/AppStatusListenerSuite.scala:1150:
 value attemptId in class StageInfo is deprecated: Use attemptNumber instead
[warn]       SparkListenerTaskEnd(stage1.stageId, stage1.attemptId, "taskType", 
Success, tasks(0), null))
[warn]                                                   ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/storage/DiskStoreSuite.scala:197:
 method transfered in trait FileRegion is deprecated: see corresponding Javadoc 
for more information.
[warn]     while (region.transfered() < region.count()) {
[warn]                   ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/core/src/test/scala/org/apache/spark/storage/DiskStoreSuite.scala:198:
 method transfered in trait FileRegion is deprecated: see corresponding Javadoc 
for more information.
[warn]       region.transferTo(byteChannel, region.transfered())
[warn]                                             ^


[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/AnalysisSuite.scala:534:
 abstract type T is unchecked since it is eliminated by erasure
[warn]       assert(partitioning.isInstanceOf[T])
[warn]                                       ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/AnalysisSuite.scala:534:
 abstract type T is unchecked since it is eliminated by erasure
[warn]       assert(partitioning.isInstanceOf[T])
[warn]             ^

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/ObjectExpressionsSuite.scala:323:
 inferred existential type Option[Class[_$1]]( forSome { type _$1 }), which 
cannot be expressed by wildcards,  should be enabled
[warn] by making the implicit value scala.language.existentials visible.
[warn] This can be achieved by adding the import clause 'import 
scala.language.existentials'
[warn] or by setting the compiler option -language:existentials.
[warn] See the Scaladoc for value scala.language.existentials for a discussion
[warn] why the feature should be explicitly enabled.
[warn]       val optClass = Option(collectionCls)
[warn]                            ^


[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormat.scala:368:
 method readFooter in object ParquetFileReader is deprecated: see corresponding 
Javadoc for more information.
[warn]         ParquetFileReader.readFooter(sharedConf, filePath, 
SKIP_ROW_GROUPS).getFileMetaData
[warn]                           ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormat.scala:545:
 method readFooter in object ParquetFileReader is deprecated: see corresponding 
Javadoc for more information.
[warn]             ParquetFileReader.readFooter(
[warn]                               ^


[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java:105:
 warning: [deprecation] readFooter(Configuration,Path,MetadataFilter) in 
ParquetFileReader has been deprecated
[warn]       footer = readFooter(configuration, file, range(split.getStart(), 
split.getEnd()));
[warn]                ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java:108:
 warning: [deprecation] filterRowGroups(Filter,List<BlockMetaData>,MessageType) 
in RowGroupFilter has been deprecated
[warn]       blocks = filterRowGroups(filter, footer.getBlocks(), fileSchema);
[warn]                ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java:111:
 warning: [deprecation] readFooter(Configuration,Path,MetadataFilter) in 
ParquetFileReader has been deprecated
[warn]       footer = readFooter(configuration, file, NO_FILTER);
[warn]                ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java:147:
 warning: [deprecation] 
ParquetFileReader(Configuration,FileMetaData,Path,List<BlockMetaData>,List<ColumnDescriptor>)
 in ParquetFileReader has been deprecated
[warn]     this.reader = new ParquetFileReader(
[warn]                   ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java:203:
 warning: [deprecation] readFooter(Configuration,Path,MetadataFilter) in 
ParquetFileReader has been deprecated
[warn]     ParquetMetadata footer = readFooter(config, file, range(0, length));
[warn]                              ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java:226:
 warning: [deprecation] 
ParquetFileReader(Configuration,FileMetaData,Path,List<BlockMetaData>,List<ColumnDescriptor>)
 in ParquetFileReader has been deprecated
[warn]     this.reader = new ParquetFileReader(
[warn]                   ^



[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:178:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]             (descriptor.getType() == 
PrimitiveType.PrimitiveTypeName.INT32 ||
[warn]                        ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:179:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]             (descriptor.getType() == 
PrimitiveType.PrimitiveTypeName.INT64  &&
[warn]                        ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:181:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]             descriptor.getType() == 
PrimitiveType.PrimitiveTypeName.FLOAT ||
[warn]                       ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:182:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]             descriptor.getType() == 
PrimitiveType.PrimitiveTypeName.DOUBLE ||
[warn]                       ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:183:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]             descriptor.getType() == 
PrimitiveType.PrimitiveTypeName.BINARY))) {
[warn]                       ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:198:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]         switch (descriptor.getType()) {
[warn]                           ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:221:
 warning: [deprecation] getTypeLength() in ColumnDescriptor has been deprecated
[warn]             readFixedLenByteArrayBatch(rowId, num, column, 
descriptor.getTypeLength());
[warn]                                                                      ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:224:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]             throw new IOException("Unsupported type: " + 
descriptor.getType());
[warn]                                                                    ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:246:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]       descriptor.getType().toString(),
[warn]                 ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:258:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]     switch (descriptor.getType()) {
[warn]                       ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedColumnReader.java:384:
 warning: [deprecation] getType() in ColumnDescriptor has been deprecated
[warn]         throw new UnsupportedOperationException("Unsupported type: " + 
descriptor.getType());
[warn]                                                                          
        ^


[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/vectorized/ArrowColumnVector.java:458:
 warning: [static] static variable should be qualified by type name, 
BaseRepeatedValueVector, instead of by an expression
[warn]       int index = rowId * accessor.OFFSET_WIDTH;
[warn]                                   ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/main/java/org/apache/spark/sql/vectorized/ArrowColumnVector.java:460:
 warning: [static] static variable should be qualified by type name, 
BaseRepeatedValueVector, instead of by an expression
[warn]       int end = offsets.getInt(index + accessor.OFFSET_WIDTH);
[warn]                                                ^


[warn] 27 warnings
[warn] Pruning sources from previous analysis, due to incompatible CompileSetup.
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/test/scala/org/apache/spark/sql/BenchmarkQueryTest.scala:57:
 a pure expression does nothing in statement position; you may be omitting 
necessary parentheses
[warn]       case s => s
[warn]                 ^


[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetInteroperabilitySuite.scala:182:
 inferred existential type org.apache.parquet.column.statistics.Statistics[?0]( 
forSome { type ?0 <: Comparable[?0] }), which cannot be expressed by wildcards, 
 should be enabled
[warn] by making the implicit value scala.language.existentials visible.
[warn] This can be achieved by adding the import clause 'import 
scala.language.existentials'
[warn] or by setting the compiler option -language:existentials.
[warn] See the Scaladoc for value scala.language.existentials for a discussion
[warn] why the feature should be explicitly enabled.
[warn]                 val columnStats = oneBlockColumnMeta.getStatistics
[warn]                                                      ^


[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/test/scala/org/apache/spark/sql/execution/streaming/sources/ForeachBatchSinkSuite.scala:146:
 implicit conversion method conv should be enabled
[warn] by making the implicit value scala.language.implicitConversions visible.
[warn] This can be achieved by adding the import clause 'import 
scala.language.implicitConversions'
[warn] or by setting the compiler option -language:implicitConversions.
[warn] See the Scaladoc for value scala.language.implicitConversions for a 
discussion
[warn] why the feature should be explicitly enabled.
[warn]     implicit def conv(x: (Int, Long)): KV = KV(x._1, x._2)
[warn]                  ^


[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/test/scala/org/apache/spark/sql/streaming/continuous/shuffle/ContinuousShuffleSuite.scala:48:
 implicit conversion method unsafeRow should be enabled
[warn] by making the implicit value scala.language.implicitConversions visible.
[warn]   private implicit def unsafeRow(value: Int) = {
[warn]                        ^


[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetInteroperabilitySuite.scala:176:
 method readFooter in object ParquetFileReader is deprecated: see corresponding 
Javadoc for more information.
[warn]                   ParquetFileReader.readFooter(hadoopConf, part.getPath, 
NO_FILTER)
[warn]                                     ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetInteroperabilitySuite.scala:178:
 method getType in class ColumnDescriptor is deprecated: see corresponding 
Javadoc for more information.
[warn]                 
assert(oneFooter.getFileMetaData.getSchema.getColumns.get(0).getType() ===
[warn]                                                                          
    ^

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetTest.scala:154:
 method readAllFootersInParallel in object ParquetFileReader is deprecated: see 
corresponding Javadoc for more information.
[warn]     ParquetFileReader.readAllFootersInParallel(configuration, 
fs.getFileStatus(path)).asScala.toSeq
[warn]                       ^
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetTest.scala:158:
 method readFooter in object ParquetFileReader is deprecated: see corresponding 
Javadoc for more information.
[warn]     ParquetFileReader.readFooter(
[warn]                       ^


[warn] Pruning sources from previous analysis, due to incompatible CompileSetup.
[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/mllib/src/test/scala/org/apache/spark/ml/recommendation/ALSSuite.scala:597:
 match may not be exhaustive.
[warn] It would fail on the following inputs: None, Some((x: Tuple2[?, ?] 
forSome x not in (?, ?)))
[warn]     val df = dfs.find {
[warn]                       ^

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala:2117:
 method readFooter in object ParquetFileReader is deprecated: see corresponding 
Javadoc for more information.
[warn]         val footer = ParquetFileReader.readFooter(
[warn]                                        ^

[warn] 
/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7/sql/hive/src/test/java/org/apache/spark/sql/hive/test/Complex.java:679:
 warning: [cast] redundant cast to Complex
[warn]     Complex typedOther = (Complex)other;
[warn]                          ^
{code}





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