https://cassandra.apache.org: The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
  • Andres de la Peña
  • Avinash Lakshman
  • Aleksey Yeschenko
  • Aaron Morton
  • Ariel Weisberg
  • Blake Eggleston
  • Benedict Elliott Smith
  • Benjamin Lerer
  • Branimir Lambov
  • Brandon Williams
  • Carl Yeksigian
  • David Brosiusd
  • Dikang Gu
  • Eric Evans
  • Gary Dusbabek
  • Chris Goffinet
  • Alex Petrov
  • Laine Jaakko Olavi
  • T Jake Luciani
  • Jason Brown
  • Jonathan Ellis
  • Jake Farrell
  • Jeff Jirsa
  • Joel Knighton
  • Josh McKenzie
  • Johan Oskarsson
  • Jun Rao
  • Jay Zhuang
  • Sankalp Kohli
  • Marcus Eriksson
  • Michael Semb Wever
  • Mikhail Stepura
  • Michael Shuler
  • Paulo Motta
  • Prashant Malik
  • Robert Stupp
  • Peter Schuller
  • Sam Tunnicliffe
  • Sylvain Lebresne
  • Stefania Alborghetti
  • Tyler Hobbs
  • Vijay Parthasarathy
  • Pavel Yaskevich
  • Yuki Morishita
  • Nate McCall 
public class org.apache.cassandra.tools.StandaloneVerifier
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.tools.StandaloneVerifier
  super_class: java.lang.Object
{
  private static final java.lang.String TOOL_NAME;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "sstableverify"

  private static final java.lang.String VERBOSE_OPTION;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "verbose"

  private static final java.lang.String EXTENDED_OPTION;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "extended"

  private static final java.lang.String DEBUG_OPTION;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "debug"

  private static final java.lang.String HELP_OPTION;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "help"

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.tools.StandaloneVerifier this
         0: .line 39
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.cassandra.tools.StandaloneVerifier this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/tools/StandaloneVerifier;

  public static void main(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=7, locals=14, args_size=1
        start local 0 // java.lang.String[] args
         0: .line 49
            aload 0 /* args */
            invokestatic org.apache.cassandra.tools.StandaloneVerifier$Options.parseArgs:([Ljava/lang/String;)Lorg/apache/cassandra/tools/StandaloneVerifier$Options;
            astore 1 /* options */
        start local 1 // org.apache.cassandra.tools.StandaloneVerifier$Options options
         1: .line 50
            invokestatic org.apache.cassandra.tools.Util.initDatabaseDescriptor:()V
         2: .line 55
            getstatic org.apache.cassandra.config.Schema.instance:Lorg/apache/cassandra/config/Schema;
            iconst_0
            invokevirtual org.apache.cassandra.config.Schema.loadFromDisk:(Z)Lorg/apache/cassandra/config/Schema;
            pop
         3: .line 57
            iconst_0
            istore 2 /* hasFailed */
        start local 2 // boolean hasFailed
         4: .line 59
            getstatic org.apache.cassandra.config.Schema.instance:Lorg/apache/cassandra/config/Schema;
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.keyspaceName:Ljava/lang/String;
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.cfName:Ljava/lang/String;
            invokevirtual org.apache.cassandra.config.Schema.getCFMetaData:(Ljava/lang/String;Ljava/lang/String;)Lorg/apache/cassandra/config/CFMetaData;
            ifnonnull 9
         5: .line 60
            new java.lang.IllegalArgumentException
            dup
            ldc "Unknown keyspace/table %s.%s"
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
         6: .line 61
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.keyspaceName:Ljava/lang/String;
            aastore
            dup
            iconst_1
         7: .line 62
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.cfName:Ljava/lang/String;
            aastore
         8: .line 60
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         9: .line 65
      StackMap locals: org.apache.cassandra.tools.StandaloneVerifier$Options int
      StackMap stack:
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.keyspaceName:Ljava/lang/String;
            invokestatic org.apache.cassandra.db.Keyspace.openWithoutSSTables:(Ljava/lang/String;)Lorg/apache/cassandra/db/Keyspace;
            astore 3 /* keyspace */
        start local 3 // org.apache.cassandra.db.Keyspace keyspace
        10: .line 66
            aload 3 /* keyspace */
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.cfName:Ljava/lang/String;
            invokevirtual org.apache.cassandra.db.Keyspace.getColumnFamilyStore:(Ljava/lang/String;)Lorg/apache/cassandra/db/ColumnFamilyStore;
            astore 4 /* cfs */
        start local 4 // org.apache.cassandra.db.ColumnFamilyStore cfs
        11: .line 68
            new org.apache.cassandra.utils.OutputHandler$SystemOutput
            dup
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.verbose:Z
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.debug:Z
            invokespecial org.apache.cassandra.utils.OutputHandler$SystemOutput.<init>:(ZZ)V
            astore 5 /* handler */
        start local 5 // org.apache.cassandra.utils.OutputHandler handler
        12: .line 69
            aload 4 /* cfs */
            invokevirtual org.apache.cassandra.db.ColumnFamilyStore.getDirectories:()Lorg/apache/cassandra/db/Directories;
            getstatic org.apache.cassandra.db.Directories$OnTxnErr.THROW:Lorg/apache/cassandra/db/Directories$OnTxnErr;
            invokevirtual org.apache.cassandra.db.Directories.sstableLister:(Lorg/apache/cassandra/db/Directories$OnTxnErr;)Lorg/apache/cassandra/db/Directories$SSTableLister;
            iconst_1
            invokevirtual org.apache.cassandra.db.Directories$SSTableLister.skipTemporary:(Z)Lorg/apache/cassandra/db/Directories$SSTableLister;
            astore 6 /* lister */
        start local 6 // org.apache.cassandra.db.Directories$SSTableLister lister
        13: .line 71
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.extended:Z
            istore 7 /* extended */
        start local 7 // boolean extended
        14: .line 73
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 8 /* sstables */
        start local 8 // java.util.List sstables
        15: .line 76
            aload 6 /* lister */
            invokevirtual org.apache.cassandra.db.Directories$SSTableLister.list:()Ljava/util/Map;
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 10
            goto 28
      StackMap locals: java.lang.String[] org.apache.cassandra.tools.StandaloneVerifier$Options int org.apache.cassandra.db.Keyspace org.apache.cassandra.db.ColumnFamilyStore org.apache.cassandra.utils.OutputHandler org.apache.cassandra.db.Directories$SSTableLister int java.util.List top java.util.Iterator
      StackMap stack:
        16: aload 10
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 9 /* entry */
        start local 9 // java.util.Map$Entry entry
        17: .line 78
            aload 9 /* entry */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.util.Set
            astore 11 /* components */
        start local 11 // java.util.Set components
        18: .line 79
            aload 11 /* components */
            getstatic org.apache.cassandra.io.sstable.Component.DATA:Lorg/apache/cassandra/io/sstable/Component;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 28
            aload 11 /* components */
            getstatic org.apache.cassandra.io.sstable.Component.PRIMARY_INDEX:Lorg/apache/cassandra/io/sstable/Component;
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifne 20
        19: .line 80
            goto 28
        20: .line 84
      StackMap locals: java.lang.String[] org.apache.cassandra.tools.StandaloneVerifier$Options int org.apache.cassandra.db.Keyspace org.apache.cassandra.db.ColumnFamilyStore org.apache.cassandra.utils.OutputHandler org.apache.cassandra.db.Directories$SSTableLister int java.util.List java.util.Map$Entry java.util.Iterator java.util.Set
      StackMap stack:
            aload 9 /* entry */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast org.apache.cassandra.io.sstable.Descriptor
            aload 11 /* components */
            aload 4 /* cfs */
            invokestatic org.apache.cassandra.io.sstable.format.SSTableReader.openNoValidation:(Lorg/apache/cassandra/io/sstable/Descriptor;Ljava/util/Set;Lorg/apache/cassandra/db/ColumnFamilyStore;)Lorg/apache/cassandra/io/sstable/format/SSTableReader;
            astore 12 /* sstable */
        start local 12 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        21: .line 85
            aload 8 /* sstables */
            aload 12 /* sstable */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 12 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        22: .line 86
            goto 28
        23: .line 87
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 12 /* e */
        start local 12 // java.lang.Exception e
        24: .line 89
            aload 12 /* e */
            invokestatic org.apache.cassandra.utils.JVMStabilityInspector.inspectThrowable:(Ljava/lang/Throwable;)V
        25: .line 90
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "Error Loading %s: %s"
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            aload 9 /* entry */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            aastore
            dup
            iconst_1
            aload 12 /* e */
            invokevirtual java.lang.Exception.getMessage:()Ljava/lang/String;
            aastore
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        26: .line 91
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.debug:Z
            ifeq 28
        27: .line 92
            aload 12 /* e */
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            invokevirtual java.lang.Exception.printStackTrace:(Ljava/io/PrintStream;)V
        end local 12 // java.lang.Exception e
        end local 11 // java.util.Set components
        end local 9 // java.util.Map$Entry entry
        28: .line 76
      StackMap locals: java.lang.String[] org.apache.cassandra.tools.StandaloneVerifier$Options int org.apache.cassandra.db.Keyspace org.apache.cassandra.db.ColumnFamilyStore org.apache.cassandra.utils.OutputHandler org.apache.cassandra.db.Directories$SSTableLister int java.util.List top java.util.Iterator
      StackMap stack:
            aload 10
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 16
        29: .line 96
            aload 8 /* sstables */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 10
            goto 47
      StackMap locals:
      StackMap stack:
        30: aload 10
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.io.sstable.format.SSTableReader
            astore 9 /* sstable */
        start local 9 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        31: .line 101
            aconst_null
            astore 11
            aconst_null
            astore 12
        32: new org.apache.cassandra.db.compaction.Verifier
            dup
            aload 4 /* cfs */
            aload 9 /* sstable */
            aload 5 /* handler */
            iconst_1
            invokespecial org.apache.cassandra.db.compaction.Verifier.<init>:(Lorg/apache/cassandra/db/ColumnFamilyStore;Lorg/apache/cassandra/io/sstable/format/SSTableReader;Lorg/apache/cassandra/utils/OutputHandler;Z)V
            astore 13 /* verifier */
        start local 13 // org.apache.cassandra.db.compaction.Verifier verifier
        33: .line 103
            aload 13 /* verifier */
            iload 7 /* extended */
            invokevirtual org.apache.cassandra.db.compaction.Verifier.verify:(Z)V
        34: .line 104
            aload 13 /* verifier */
            ifnull 47
            aload 13 /* verifier */
            invokevirtual org.apache.cassandra.db.compaction.Verifier.close:()V
            goto 47
      StackMap locals: java.lang.String[] org.apache.cassandra.tools.StandaloneVerifier$Options int org.apache.cassandra.db.Keyspace org.apache.cassandra.db.ColumnFamilyStore org.apache.cassandra.utils.OutputHandler org.apache.cassandra.db.Directories$SSTableLister int java.util.List org.apache.cassandra.io.sstable.format.SSTableReader java.util.Iterator java.lang.Throwable java.lang.Throwable org.apache.cassandra.db.compaction.Verifier
      StackMap stack: java.lang.Throwable
        35: astore 11
            aload 13 /* verifier */
            ifnull 36
            aload 13 /* verifier */
            invokevirtual org.apache.cassandra.db.compaction.Verifier.close:()V
        end local 13 // org.apache.cassandra.db.compaction.Verifier verifier
      StackMap locals:
      StackMap stack:
        36: aload 11
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        37: astore 12
            aload 11
            ifnonnull 38
            aload 12
            astore 11
            goto 39
      StackMap locals:
      StackMap stack:
        38: aload 11
            aload 12
            if_acmpeq 39
            aload 11
            aload 12
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        39: aload 11
            athrow
        40: .line 105
      StackMap locals: java.lang.String[] org.apache.cassandra.tools.StandaloneVerifier$Options int org.apache.cassandra.db.Keyspace org.apache.cassandra.db.ColumnFamilyStore org.apache.cassandra.utils.OutputHandler org.apache.cassandra.db.Directories$SSTableLister int java.util.List org.apache.cassandra.io.sstable.format.SSTableReader java.util.Iterator
      StackMap stack: org.apache.cassandra.io.sstable.CorruptSSTableException
            astore 11 /* cs */
        start local 11 // org.apache.cassandra.io.sstable.CorruptSSTableException cs
        41: .line 107
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "Error verifying %s: %s"
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            aload 9 /* sstable */
            aastore
            dup
            iconst_1
            aload 11 /* cs */
            invokevirtual org.apache.cassandra.io.sstable.CorruptSSTableException.getMessage:()Ljava/lang/String;
            aastore
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        42: .line 108
            iconst_1
            istore 2 /* hasFailed */
        end local 11 // org.apache.cassandra.io.sstable.CorruptSSTableException cs
        43: .line 110
            goto 47
        44: .line 111
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 11 /* e */
        start local 11 // java.lang.Exception e
        45: .line 113
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "Error verifying %s: %s"
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            aload 9 /* sstable */
            aastore
            dup
            iconst_1
            aload 11 /* e */
            invokevirtual java.lang.Exception.getMessage:()Ljava/lang/String;
            aastore
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        46: .line 114
            aload 11 /* e */
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            invokevirtual java.lang.Exception.printStackTrace:(Ljava/io/PrintStream;)V
        end local 11 // java.lang.Exception e
        end local 9 // org.apache.cassandra.io.sstable.format.SSTableReader sstable
        47: .line 96
      StackMap locals: java.lang.String[] org.apache.cassandra.tools.StandaloneVerifier$Options int org.apache.cassandra.db.Keyspace org.apache.cassandra.db.ColumnFamilyStore org.apache.cassandra.utils.OutputHandler org.apache.cassandra.db.Directories$SSTableLister int java.util.List top java.util.Iterator
      StackMap stack:
            aload 10
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 30
        48: .line 118
            getstatic org.apache.cassandra.db.compaction.CompactionManager.instance:Lorg/apache/cassandra/db/compaction/CompactionManager;
            ldc 5
            getstatic java.util.concurrent.TimeUnit.MINUTES:Ljava/util/concurrent/TimeUnit;
            invokevirtual org.apache.cassandra.db.compaction.CompactionManager.finishCompactionsAndShutdown:(JLjava/util/concurrent/TimeUnit;)V
        49: .line 120
            iload 2 /* hasFailed */
            ifeq 50
            iconst_1
            goto 51
      StackMap locals: java.lang.String[] org.apache.cassandra.tools.StandaloneVerifier$Options int org.apache.cassandra.db.Keyspace org.apache.cassandra.db.ColumnFamilyStore org.apache.cassandra.utils.OutputHandler org.apache.cassandra.db.Directories$SSTableLister int java.util.List
      StackMap stack:
        50: iconst_0
      StackMap locals:
      StackMap stack: int
        51: invokestatic java.lang.System.exit:(I)V
        end local 8 // java.util.List sstables
        end local 7 // boolean extended
        end local 6 // org.apache.cassandra.db.Directories$SSTableLister lister
        end local 5 // org.apache.cassandra.utils.OutputHandler handler
        end local 4 // org.apache.cassandra.db.ColumnFamilyStore cfs
        end local 3 // org.apache.cassandra.db.Keyspace keyspace
        end local 2 // boolean hasFailed
        52: .line 121
            goto 58
        53: .line 122
      StackMap locals: java.lang.String[] org.apache.cassandra.tools.StandaloneVerifier$Options
      StackMap stack: java.lang.Exception
            astore 2 /* e */
        start local 2 // java.lang.Exception e
        54: .line 124
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            aload 2 /* e */
            invokevirtual java.lang.Exception.getMessage:()Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
        55: .line 125
            aload 1 /* options */
            getfield org.apache.cassandra.tools.StandaloneVerifier$Options.debug:Z
            ifeq 57
        56: .line 126
            aload 2 /* e */
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            invokevirtual java.lang.Exception.printStackTrace:(Ljava/io/PrintStream;)V
        57: .line 127
      StackMap locals: java.lang.Exception
      StackMap stack:
            iconst_1
            invokestatic java.lang.System.exit:(I)V
        end local 2 // java.lang.Exception e
        58: .line 129
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.apache.cassandra.tools.StandaloneVerifier$Options options
        end local 0 // java.lang.String[] args
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   59     0        args  [Ljava/lang/String;
            1   59     1     options  Lorg/apache/cassandra/tools/StandaloneVerifier$Options;
            4   52     2   hasFailed  Z
           10   52     3    keyspace  Lorg/apache/cassandra/db/Keyspace;
           11   52     4         cfs  Lorg/apache/cassandra/db/ColumnFamilyStore;
           12   52     5     handler  Lorg/apache/cassandra/utils/OutputHandler;
           13   52     6      lister  Lorg/apache/cassandra/db/Directories$SSTableLister;
           14   52     7    extended  Z
           15   52     8    sstables  Ljava/util/List<Lorg/apache/cassandra/io/sstable/format/SSTableReader;>;
           17   28     9       entry  Ljava/util/Map$Entry<Lorg/apache/cassandra/io/sstable/Descriptor;Ljava/util/Set<Lorg/apache/cassandra/io/sstable/Component;>;>;
           18   28    11  components  Ljava/util/Set<Lorg/apache/cassandra/io/sstable/Component;>;
           21   22    12     sstable  Lorg/apache/cassandra/io/sstable/format/SSTableReader;
           24   28    12           e  Ljava/lang/Exception;
           31   47     9     sstable  Lorg/apache/cassandra/io/sstable/format/SSTableReader;
           33   36    13    verifier  Lorg/apache/cassandra/db/compaction/Verifier;
           41   43    11          cs  Lorg/apache/cassandra/io/sstable/CorruptSSTableException;
           45   47    11           e  Ljava/lang/Exception;
           54   58     2           e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
          20    22      23  Class java.lang.Exception
          33    34      35  any
          32    37      37  any
          31    40      40  Class org.apache.cassandra.io.sstable.CorruptSSTableException
          31    43      44  Class java.lang.Exception
           2    52      53  Class java.lang.Exception
    MethodParameters:
      Name  Flags
      args  
}
SourceFile: "StandaloneVerifier.java"
NestMembers:
  org.apache.cassandra.tools.StandaloneVerifier$Options
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map
  public final OnTxnErr = org.apache.cassandra.db.Directories$OnTxnErr of org.apache.cassandra.db.Directories
  public SSTableLister = org.apache.cassandra.db.Directories$SSTableLister of org.apache.cassandra.db.Directories
  private Options = org.apache.cassandra.tools.StandaloneVerifier$Options of org.apache.cassandra.tools.StandaloneVerifier
  public SystemOutput = org.apache.cassandra.utils.OutputHandler$SystemOutput of org.apache.cassandra.utils.OutputHandler