[jira] [Created] (HADOOP-10482) Fix new findbugs warnings in hadoop-common

["Haohui Mai (JIRA)" <ji...@apache.org>]

Haohui Mai created HADOOP-10482:
-----------------------------------

             Summary: Fix new findbugs warnings in hadoop-common
                 Key: HADOOP-10482
                 URL: https://issues.apache.org/jira/browse/HADOOP-10482
             Project: Hadoop Common
          Issue Type: Sub-task
            Reporter: Haohui Mai


The following findbugs warnings need to be fixed:

{noformat}
[INFO] --- findbugs-maven-plugin:2.5.3:check (default-cli) @ hadoop-common ---
[INFO] BugInstance size is 97
[INFO] Error size is 0
[INFO] Total bugs: 97
[INFO] Found reliance on default encoding in org.apache.hadoop.conf.Configuration.getConfResourceAsReader(String): new java.io.InputStreamReader(InputStream) ["org.apache.hadoop.conf.Configuration"] At Configuration.java:[lines 169-2642]
[INFO] Null passed for nonnull parameter of set(String, String) in org.apache.hadoop.conf.Configuration.setPattern(String, Pattern) ["org.apache.hadoop.conf.Configuration"] At Configuration.java:[lines 169-2642]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.conf.ReconfigurationServlet.printHeader(PrintWriter, String) ["org.apache.hadoop.conf.ReconfigurationServlet"] At ReconfigurationServlet.java:[lines 44-234]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.conf.ReconfigurationServlet.printHeader(PrintWriter, String) ["org.apache.hadoop.conf.ReconfigurationServlet"] At ReconfigurationServlet.java:[lines 44-234]
[INFO] Found reliance on default encoding in new org.apache.hadoop.crypto.key.KeyProvider$Metadata(byte[]): new java.io.InputStreamReader(InputStream) ["org.apache.hadoop.crypto.key.KeyProvider$Metadata"] At KeyProvider.java:[lines 110-204]
[INFO] Found reliance on default encoding in org.apache.hadoop.crypto.key.KeyProvider$Metadata.serialize(): new java.io.OutputStreamWriter(OutputStream) ["org.apache.hadoop.crypto.key.KeyProvider$Metadata"] At KeyProvider.java:[lines 110-204]
[INFO] Redundant nullcheck of clazz, which is known to be non-null in org.apache.hadoop.fs.FileSystem.createFileSystem(URI, Configuration) ["org.apache.hadoop.fs.FileSystem"] At FileSystem.java:[lines 89-3017]
[INFO] Unread public/protected field: org.apache.hadoop.fs.HarFileSystem$Store.endHash ["org.apache.hadoop.fs.HarFileSystem$Store"] At HarFileSystem.java:[lines 492-500]
[INFO] Unread public/protected field: org.apache.hadoop.fs.HarFileSystem$Store.startHash ["org.apache.hadoop.fs.HarFileSystem$Store"] At HarFileSystem.java:[lines 492-500]
[INFO] Found reliance on default encoding in org.apache.hadoop.fs.HardLink.createHardLink(File, File): new java.io.InputStreamReader(InputStream) ["org.apache.hadoop.fs.HardLink"] At HardLink.java:[lines 51-546]
[INFO] Found reliance on default encoding in org.apache.hadoop.fs.HardLink.createHardLinkMult(File, String[], File, int): new java.io.InputStreamReader(InputStream) ["org.apache.hadoop.fs.HardLink"] At HardLink.java:[lines 51-546]
[INFO] Found reliance on default encoding in org.apache.hadoop.fs.HardLink.getLinkCount(File): new java.io.InputStreamReader(InputStream) ["org.apache.hadoop.fs.HardLink"] At HardLink.java:[lines 51-546]
[INFO] Bad attempt to compute absolute value of signed random integer in org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext.getLocalPathForWrite(String, long, Configuration, boolean) ["org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext"] At LocalDirAllocator.java:[lines 247-549]
[INFO] Null passed for nonnull parameter of org.apache.hadoop.conf.Configuration.set(String, String) in org.apache.hadoop.fs.ftp.FTPFileSystem.initialize(URI, Configuration) ["org.apache.hadoop.fs.ftp.FTPFileSystem"] At FTPFileSystem.java:[lines 51-593]
[INFO] Redundant nullcheck of dirEntries, which is known to be non-null in org.apache.hadoop.fs.ftp.FTPFileSystem.delete(FTPClient, Path, boolean) ["org.apache.hadoop.fs.ftp.FTPFileSystem"] At FTPFileSystem.java:[lines 51-593]
[INFO] Redundant nullcheck of org.apache.hadoop.fs.ftp.FTPFileSystem.getFileStatus(FTPClient, Path), which is known to be non-null in org.apache.hadoop.fs.ftp.FTPFileSystem.exists(FTPClient, Path) ["org.apache.hadoop.fs.ftp.FTPFileSystem"] At FTPFileSystem.java:[lines 51-593]
[INFO] Found reliance on default encoding in org.apache.hadoop.fs.shell.Display$AvroFileInputStream.read(): String.getBytes() ["org.apache.hadoop.fs.shell.Display$AvroFileInputStream"] At Display.java:[lines 259-309]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.fs.shell.Display$Checksum.processPath(PathData) ["org.apache.hadoop.fs.shell.Display$Checksum"] At Display.java:[lines 169-196]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.fs.shell.Display$Checksum.processPath(PathData) ["org.apache.hadoop.fs.shell.Display$Checksum"] At Display.java:[lines 169-196]
[INFO] Found reliance on default encoding in org.apache.hadoop.fs.shell.Display$TextRecordInputStream.read(): String.getBytes() ["org.apache.hadoop.fs.shell.Display$TextRecordInputStream"] At Display.java:[lines 207-244]
[INFO] Call to method of static java.text.DateFormat in org.apache.hadoop.fs.shell.Ls.processPath(PathData) ["org.apache.hadoop.fs.shell.Ls"] At Ls.java:[lines 45-207]
[INFO] org.apache.hadoop.fs.shell.Ls.dateFormat is a static field of type java.text.DateFormat, which isn't thread safe ["org.apache.hadoop.fs.shell.Ls"] At Ls.java:[lines 45-207]
[INFO] Call to method of static java.text.DateFormat in org.apache.hadoop.fs.shell.Stat.processPath(PathData) ["org.apache.hadoop.fs.shell.Stat"] At Stat.java:[lines 46-128]
[INFO] org.apache.hadoop.fs.shell.Stat.timeFmt is a static field of type java.text.DateFormat, which isn't thread safe ["org.apache.hadoop.fs.shell.Stat"] At Stat.java:[lines 46-128]
[INFO] Switch statement found in org.apache.hadoop.fs.shell.Test.processPath(PathData) where default case is missing ["org.apache.hadoop.fs.shell.Test"] At Test.java:[lines 33-94]
[INFO] return value of java.util.concurrent.CountDownLatch.await(long, TimeUnit) ignored in org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef.process(WatchedEvent) ["org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef"] At ActiveStandbyElector.java:[lines 1017-1074]
[INFO] Switch statement found in org.apache.hadoop.ha.SshFenceByTcpPort$LogAdapter.log(int, String) where default case is missing ["org.apache.hadoop.ha.SshFenceByTcpPort$LogAdapter"] At SshFenceByTcpPort.java:[lines 273-314]
[INFO] Found reliance on default encoding in org.apache.hadoop.ha.StreamPumper.pump(): new java.io.InputStreamReader(InputStream) ["org.apache.hadoop.ha.StreamPumper"] At StreamPumper.java:[lines 32-89]
[INFO] Found reliance on default encoding in org.apache.hadoop.http.HtmlQuoting.<static initializer for HtmlQuoting>(): String.getBytes() ["org.apache.hadoop.http.HtmlQuoting"] At HtmlQuoting.java:[lines 27-206]
[INFO] Found reliance on default encoding in org.apache.hadoop.http.HtmlQuoting.needsQuoting(String): String.getBytes() ["org.apache.hadoop.http.HtmlQuoting"] At HtmlQuoting.java:[lines 27-206]
[INFO] Found reliance on default encoding in org.apache.hadoop.http.HtmlQuoting.quoteHtmlChars(String): java.io.ByteArrayOutputStream.toString() ["org.apache.hadoop.http.HtmlQuoting"] At HtmlQuoting.java:[lines 27-206]
[INFO] Found reliance on default encoding in org.apache.hadoop.http.HtmlQuoting.quoteHtmlChars(String): String.getBytes() ["org.apache.hadoop.http.HtmlQuoting"] At HtmlQuoting.java:[lines 27-206]
[INFO] Found reliance on default encoding in org.apache.hadoop.io.DefaultStringifier.toString(Object): new String(byte[]) ["org.apache.hadoop.io.DefaultStringifier"] At DefaultStringifier.java:[lines 60-202]
[INFO] org.apache.hadoop.io.LongWritable$DecreasingComparator.compare(WritableComparable, WritableComparable) negates the return value of org.apache.hadoop.io.WritableComparator.compare(WritableComparable, WritableComparable) ["org.apache.hadoop.io.LongWritable$DecreasingComparator"] At LongWritable.java:[lines 98-106]
[INFO] org.apache.hadoop.io.LongWritable$DecreasingComparator.compare(byte[], int, int, byte[], int, int) negates the return value of org.apache.hadoop.io.LongWritable$Comparator.compare(byte[], int, int, byte[], int, int) ["org.apache.hadoop.io.LongWritable$DecreasingComparator"] At LongWritable.java:[lines 98-106]
[INFO] Found reliance on default encoding in new org.apache.hadoop.io.SequenceFile$Writer(Configuration, SequenceFile$Writer$Option[]): String.getBytes() ["org.apache.hadoop.io.SequenceFile$Writer"] At SequenceFile.java:[lines 822-1361]
[INFO] Found reliance on default encoding in new org.apache.hadoop.io.SequenceFile$Writer(FileSystem, Configuration, Path, Class, Class): String.getBytes() ["org.apache.hadoop.io.SequenceFile$Writer"] At SequenceFile.java:[lines 822-1361]
[INFO] Found reliance on default encoding in new org.apache.hadoop.io.SequenceFile$Writer(FileSystem, Configuration, Path, Class, Class, int, short, long, Progressable, SequenceFile$Metadata): String.getBytes() ["org.apache.hadoop.io.SequenceFile$Writer"] At SequenceFile.java:[lines 822-1361]
[INFO] Found reliance on default encoding in new org.apache.hadoop.io.SequenceFile$Writer(FileSystem, Configuration, Path, Class, Class, Progressable, SequenceFile$Metadata): String.getBytes() ["org.apache.hadoop.io.SequenceFile$Writer"] At SequenceFile.java:[lines 822-1361]
[INFO] Switch statement found in org.apache.hadoop.io.Text.bytesToCodePoint(ByteBuffer) where default case is missing ["org.apache.hadoop.io.Text"] At Text.java:[lines 56-672]
[INFO] Switch statement found in org.apache.hadoop.io.Text.validateUTF8(byte[], int, int) where default case is missing ["org.apache.hadoop.io.Text"] At Text.java:[lines 56-672]
[INFO] Found reliance on default encoding in org.apache.hadoop.io.compress.BZip2Codec$BZip2CompressionInputStream.readStreamHeader(): new String(byte[]) ["org.apache.hadoop.io.compress.BZip2Codec$BZip2CompressionInputStream"] At BZip2Codec.java:[lines 361-539]
[INFO] Found reliance on default encoding in org.apache.hadoop.io.compress.BZip2Codec$BZip2CompressionOutputStream.writeStreamHeader(): String.getBytes() ["org.apache.hadoop.io.compress.BZip2Codec$BZip2CompressionOutputStream"] At BZip2Codec.java:[lines 273-335]
[INFO] Write to static field org.apache.hadoop.io.compress.bzip2.CBZip2InputStream.skipDecompression from instance method org.apache.hadoop.io.compress.bzip2.CBZip2InputStream.read(byte[], int, int) ["org.apache.hadoop.io.compress.bzip2.CBZip2InputStream"] At CBZip2InputStream.java:[lines 82-1173]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.io.file.tfile.TFile.main(String[]) ["org.apache.hadoop.io.file.tfile.TFile"] At TFile.java:[lines 134-2361]
[INFO] Found reliance on default encoding in org.apache.hadoop.io.file.tfile.TFileDumper.dumpInfo(String, PrintStream, Configuration): new String(byte[], int, int) ["org.apache.hadoop.io.file.tfile.TFileDumper"] At TFileDumper.java:[lines 43-294]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.io.file.tfile.TFileDumper.dumpInfo(String, PrintStream, Configuration) ["org.apache.hadoop.io.file.tfile.TFileDumper"] At TFileDumper.java:[lines 43-294]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.io.file.tfile.TFileDumper.dumpInfo(String, PrintStream, Configuration) ["org.apache.hadoop.io.file.tfile.TFileDumper"] At TFileDumper.java:[lines 43-294]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.io.file.tfile.TFileDumper.dumpInfo(String, PrintStream, Configuration) ["org.apache.hadoop.io.file.tfile.TFileDumper"] At TFileDumper.java:[lines 43-294]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.io.file.tfile.TFileDumper.dumpInfo(String, PrintStream, Configuration) ["org.apache.hadoop.io.file.tfile.TFileDumper"] At TFileDumper.java:[lines 43-294]
[INFO] Found reliance on default encoding in org.apache.hadoop.ipc.RpcConstants.<static initializer for RpcConstants>(): String.getBytes() ["org.apache.hadoop.ipc.RpcConstants"] At RpcConstants.java:[lines 26-56]
[INFO] Found reliance on default encoding in org.apache.hadoop.ipc.Server.<static initializer for Server>(): String.getBytes() ["org.apache.hadoop.ipc.Server"] At Server.java:[lines 133-2685]
[INFO] org.apache.hadoop.ipc.Server$Connection.close() might ignore java.lang.Exception ["org.apache.hadoop.ipc.Server$Connection", "java.lang.Exception"] At Server.java:[lines 1101-2053]At Exception.java:[lines 54-123]
[INFO] Found reliance on default encoding in org.apache.hadoop.ipc.Server$Connection.setupHttpRequestOnIpcPortResponse(): String.getBytes() ["org.apache.hadoop.ipc.Server$Connection"] At Server.java:[lines 1101-2053]
[INFO] Increment of volatile field org.apache.hadoop.ipc.Server$Connection.rpcCount in org.apache.hadoop.ipc.Server$Connection.decRpcCount() ["org.apache.hadoop.ipc.Server$Connection"] At Server.java:[lines 1101-2053]
[INFO] Increment of volatile field org.apache.hadoop.ipc.Server$Connection.rpcCount in org.apache.hadoop.ipc.Server$Connection.incRpcCount() ["org.apache.hadoop.ipc.Server$Connection"] At Server.java:[lines 1101-2053]
[INFO] HTTP parameter written to Servlet output in org.apache.hadoop.jmx.JMXJsonServlet.doGet(HttpServletRequest, HttpServletResponse) ["org.apache.hadoop.jmx.JMXJsonServlet"] At JMXJsonServlet.java:[lines 120-422]
[INFO] Found reliance on default encoding in org.apache.hadoop.log.LogLevel.process(String): new java.io.InputStreamReader(InputStream) ["org.apache.hadoop.log.LogLevel"] At LogLevel.java:[lines 38-86]
[INFO] Found reliance on default encoding in org.apache.hadoop.metrics.file.FileContext.startMonitoring(): new java.io.FileWriter(File, boolean) ["org.apache.hadoop.metrics.file.FileContext"] At FileContext.java:[lines 58-158]
[INFO] Found reliance on default encoding in org.apache.hadoop.metrics.file.FileContext.startMonitoring(): new java.io.PrintWriter(OutputStream) ["org.apache.hadoop.metrics.file.FileContext"] At FileContext.java:[lines 58-158]
[INFO] Found reliance on default encoding in org.apache.hadoop.metrics.ganglia.GangliaContext.xdr_string(String): String.getBytes() ["org.apache.hadoop.metrics.ganglia.GangliaContext"] At GangliaContext.java:[lines 64-254]
[INFO] Redundant nullcheck of units, which is known to be non-null in org.apache.hadoop.metrics.ganglia.GangliaContext31.emitMetric(String, String, String) ["org.apache.hadoop.metrics.ganglia.GangliaContext31"] At GangliaContext31.java:[lines 39-144]
[INFO] Found reliance on default encoding in org.apache.hadoop.metrics2.impl.MetricsConfig.toString(Configuration): java.io.ByteArrayOutputStream.toString() ["org.apache.hadoop.metrics2.impl.MetricsConfig"] At MetricsConfig.java:[lines 51-280]
[INFO] Found reliance on default encoding in org.apache.hadoop.metrics2.impl.MetricsConfig.toString(Configuration): new java.io.PrintStream(OutputStream) ["org.apache.hadoop.metrics2.impl.MetricsConfig"] At MetricsConfig.java:[lines 51-280]
[INFO] Increment of volatile field org.apache.hadoop.metrics2.lib.MutableCounterInt.value in org.apache.hadoop.metrics2.lib.MutableCounterInt.incr() ["org.apache.hadoop.metrics2.lib.MutableCounterInt"] At MutableCounterInt.java:[lines 35-64]
[INFO] Increment of volatile field org.apache.hadoop.metrics2.lib.MutableCounterLong.value in org.apache.hadoop.metrics2.lib.MutableCounterLong.incr() ["org.apache.hadoop.metrics2.lib.MutableCounterLong"] At MutableCounterLong.java:[lines 36-65]
[INFO] Increment of volatile field org.apache.hadoop.metrics2.lib.MutableGaugeInt.value in org.apache.hadoop.metrics2.lib.MutableGaugeInt.decr() ["org.apache.hadoop.metrics2.lib.MutableGaugeInt"] At MutableGaugeInt.java:[lines 36-89]
[INFO] Increment of volatile field org.apache.hadoop.metrics2.lib.MutableGaugeInt.value in org.apache.hadoop.metrics2.lib.MutableGaugeInt.incr() ["org.apache.hadoop.metrics2.lib.MutableGaugeInt"] At MutableGaugeInt.java:[lines 36-89]
[INFO] Increment of volatile field org.apache.hadoop.metrics2.lib.MutableGaugeLong.value in org.apache.hadoop.metrics2.lib.MutableGaugeLong.decr() ["org.apache.hadoop.metrics2.lib.MutableGaugeLong"] At MutableGaugeLong.java:[lines 36-89]
[INFO] Increment of volatile field org.apache.hadoop.metrics2.lib.MutableGaugeLong.value in org.apache.hadoop.metrics2.lib.MutableGaugeLong.incr() ["org.apache.hadoop.metrics2.lib.MutableGaugeLong"] At MutableGaugeLong.java:[lines 36-89]
[INFO] Found reliance on default encoding in org.apache.hadoop.metrics2.sink.FileSink.init(SubsetConfiguration): new java.io.FileWriter(File, boolean) ["org.apache.hadoop.metrics2.sink.FileSink"] At FileSink.java:[lines 39-83]
[INFO] Found reliance on default encoding in org.apache.hadoop.metrics2.sink.FileSink.init(SubsetConfiguration): new java.io.PrintWriter(OutputStream) ["org.apache.hadoop.metrics2.sink.FileSink"] At FileSink.java:[lines 39-83]
[INFO] Found reliance on default encoding in org.apache.hadoop.metrics2.sink.ganglia.AbstractGangliaSink.xdr_string(String): String.getBytes() ["org.apache.hadoop.metrics2.sink.ganglia.AbstractGangliaSink"] At AbstractGangliaSink.java:[lines 45-289]
[INFO] Sequence of calls to java.util.concurrent.ConcurrentHashMap may not be atomic in org.apache.hadoop.net.NetUtils.canonicalizeHost(String) ["org.apache.hadoop.net.NetUtils"] At NetUtils.java:[lines 63-905]
[INFO] Found reliance on default encoding in org.apache.hadoop.net.TableMapping$RawTableMapping.load(): new java.io.FileReader(String) ["org.apache.hadoop.net.TableMapping$RawTableMapping"] At TableMapping.java:[lines 85-171]
[INFO] Found reliance on default encoding in org.apache.hadoop.record.compiler.CGenerator.genCode(String, ArrayList, ArrayList, String, ArrayList): new java.io.FileWriter(String) ["org.apache.hadoop.record.compiler.CGenerator"] At CGenerator.java:[lines 32-71]
[INFO] Found reliance on default encoding in org.apache.hadoop.record.compiler.CppGenerator.genCode(String, ArrayList, ArrayList, String, ArrayList): new java.io.FileWriter(String) ["org.apache.hadoop.record.compiler.CppGenerator"] At CppGenerator.java:[lines 32-74]
[INFO] Found reliance on default encoding in org.apache.hadoop.record.compiler.JRecord$JavaRecord.genCode(String, ArrayList): new java.io.FileWriter(File) ["org.apache.hadoop.record.compiler.JRecord$JavaRecord"] At JRecord.java:[lines 42-478]
[INFO] Found reliance on default encoding in org.apache.hadoop.security.AuthenticationFilterInitializer.initFilter(FilterContainer, Configuration): new java.io.FileReader(String) ["org.apache.hadoop.security.AuthenticationFilterInitializer"] At AuthenticationFilterInitializer.java:[lines 46-112]
[INFO] Found reliance on default encoding in org.apache.hadoop.security.Credentials.<static initializer for Credentials>(): String.getBytes() ["org.apache.hadoop.security.Credentials"] At Credentials.java:[lines 58-323]
[INFO] Found reliance on default encoding in org.apache.hadoop.security.LdapGroupsMapping.extractPassword(String): new java.io.FileReader(String) ["org.apache.hadoop.security.LdapGroupsMapping"] At LdapGroupsMapping.java:[lines 71-360]
[INFO] Found reliance on default encoding in org.apache.hadoop.security.SaslRpcServer.decodeIdentifier(String): String.getBytes() ["org.apache.hadoop.security.SaslRpcServer"] At SaslRpcServer.java:[lines 65-214]
[INFO] Found reliance on default encoding in org.apache.hadoop.security.SaslRpcServer.encodeIdentifier(byte[]): new String(byte[]) ["org.apache.hadoop.security.SaslRpcServer"] At SaslRpcServer.java:[lines 65-214]
[INFO] Found reliance on default encoding in org.apache.hadoop.security.SaslRpcServer.encodePassword(byte[]): new String(byte[]) ["org.apache.hadoop.security.SaslRpcServer"] At SaslRpcServer.java:[lines 65-214]
[INFO] Switch statement found in new org.apache.hadoop.util.ComparableVersion$StringItem(String, boolean) where default case is missing ["org.apache.hadoop.util.ComparableVersion$StringItem"] At ComparableVersion.java:[lines 162-257]
[INFO] Found reliance on default encoding in org.apache.hadoop.util.HostsFileReader.readFileToSetWithFileInputStream(String, String, InputStream, Set): new java.io.InputStreamReader(InputStream) ["org.apache.hadoop.util.HostsFileReader"] At HostsFileReader.java:[lines 41-176]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.util.NativeLibraryChecker.main(String[]) ["org.apache.hadoop.util.NativeLibraryChecker"] At NativeLibraryChecker.java:[lines 32-97]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.util.NativeLibraryChecker.main(String[]) ["org.apache.hadoop.util.NativeLibraryChecker"] At NativeLibraryChecker.java:[lines 32-97]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.util.NativeLibraryChecker.main(String[]) ["org.apache.hadoop.util.NativeLibraryChecker"] At NativeLibraryChecker.java:[lines 32-97]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.util.NativeLibraryChecker.main(String[]) ["org.apache.hadoop.util.NativeLibraryChecker"] At NativeLibraryChecker.java:[lines 32-97]
[INFO] Format string should use %n rather than \n in org.apache.hadoop.util.NativeLibraryChecker.main(String[]) ["org.apache.hadoop.util.NativeLibraryChecker"] At NativeLibraryChecker.java:[lines 32-97]
[INFO] org.apache.hadoop.util.PrintJarMainClass.main(String[]) may fail to close stream ["org.apache.hadoop.util.PrintJarMainClass"] At PrintJarMainClass.java:[lines 31-54]
[INFO] Switch statement found in org.apache.hadoop.util.PureJavaCrc32.update(byte[], int, int) where default case is missing ["org.apache.hadoop.util.PureJavaCrc32"] At PureJavaCrc32.java:[lines 45-118]
[INFO] Switch statement found in org.apache.hadoop.util.PureJavaCrc32C.update(byte[], int, int) where default case is missing ["org.apache.hadoop.util.PureJavaCrc32C"] At PureJavaCrc32C.java:[lines 41-115]
[INFO] Found reliance on default encoding in org.apache.hadoop.util.ReflectionUtils.logThreadInfo(Log, String, long): java.io.ByteArrayOutputStream.toString() ["org.apache.hadoop.util.ReflectionUtils"] At ReflectionUtils.java:[lines 52-339]
[INFO] Found reliance on default encoding in org.apache.hadoop.util.ReflectionUtils.logThreadInfo(Log, String, long): new java.io.PrintWriter(OutputStream) ["org.apache.hadoop.util.ReflectionUtils"] At ReflectionUtils.java:[lines 52-339]
[INFO] Found reliance on default encoding in org.apache.hadoop.util.Shell.runCommand(): new java.io.InputStreamReader(InputStream) ["org.apache.hadoop.util.Shell"] At Shell.java:[lines 45-753]
{noformat}



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