IV75622: JAVA.IO.PIPEDINPUTSTREAM.AVAILABLE() RETURNS INTEGER.MAX_VALUE I.E., 2147483647 ON EMPTY STREAM IN JAVA 7

APAR status

• Closed as program error.

Error description

• Error Message:
  .
  Stack Trace: N/A
  .
  

Local fix

• N/A
  

Problem summary

• The problem happens because java.io.PipedInputStream.available()
  isn't handled properly when the underlying java.io.InputStream
  returns -1 in case of empty streams.
  The return value of  available() in Java 7 has been changed to
  -1 for consistency with Java 6 although the specification
  doesn't define a return value.
  The Java 8 specification has defined the return value to be zero
   on empty streams.
  java.io.BufferedInputStream.available() also behaves the same on
  empty streams.
  

Problem conclusion

• Code has been corrected to handle case of empty streams properly
  
  .
  This APAR will be fixed in the following Java Releases:
     7    SR9 FP 10 (7.0.9.10)
     7 R1 SR3 FP10  (7.1.3.10)
  .
  Contact your IBM Product's Service Team for these Service
  Refreshes and Fix Packs.
  For those running stand-alone, information about the available
  Service Refreshes and Fix Packs can be found at:
             https://www.ibm.com/developerworks/java/jdk/
  

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 CLASS LIBS

• Fixed component ID

  620700130

Applicable component levels

• R700 PSY

     UP