PM70352: LINES READ IN BY JAVA.UTIL.SCANNER.NEXTLINE() ARE INCOMPLETE AFTER APPLYING APAR IZ80097

APAR status

• Closed as program error.

Error description

• When using java.util.Scanner.nextLine() to read in lines from a
  dataset, the lines read in may appear to be truncated and / or
  split into multiples lines when displayed.
  
  EXTERNAL SYMPTOMS:
  
  Lines read in by java.util.Scanner.nextLine() are incomplete.
  The lines may appear to be truncated or incomplete.
  
  IMPACT:
  
  Users may be unable to correctly display (or use) lines
  read in from a dataset using java.util.Scanner.nextLine.  The
  lines may appear to be truncated and / or split into multiple
  lines.
  
  VERIFICATION STEPS:
  
  Typically the truncation and / or splitting of the lines will
  start to appear after reading in 20K bytes.  It will reappear
  again at different intervals while reading the lines from the
  dataset.
  
  KEYWORDS:
  
  JAVA HASNEXTLINE SCANNER NEXTLINE SPLIT TRUNCATE
  

Local fix

• Contact Level 2 for interim fix.
  

Problem summary

• java.util.Scanner.nextLine() will occasionally break a single
  line into 2 or more pieces without seeing a line termination.
  

Problem conclusion

• This defect will be fixed in:
  6.0.0 SR13
  6.0.1 SR5
  .
  IBM JVM has been modified to correctly handle line breaks.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  JAVA Z/OS 31

• Fixed component ID

  620700105

Applicable component levels

• R600 PSY

     UP