IV07570: INETADDRESS.GETLOCALHOST() RETURNS APIPA/LINK-LOCAL ADDRESS

APAR status

• Closed as program error.

Error description

• Error Message: Connection issues can arise with a socket bound
  to an address returned by InetAddress.getLocalHost(). This is
  when InetAddress.getLocalHost() returns link-local address
  (169.254.*.*). This can especially when the system has multiple
  NICs.
  .
  Stack Trace: N/A
  .
  

Local fix

• Use InetAddress.getAllByName(localhostname) to get the list of
  Inet Addresses and then pick one which is not a link-local
  address.
  

Problem summary

• Following Windows 2008 SP2, getaddrinfo() Windows API sorts the
  Addresses and linklocal/APIPA address appears first now.
  

Problem conclusion

• This defect will be fixed in:
  6.0.0 SR10
  6.0.1 SR1
  7.0.0 SR1
  .
  IBM Java's getLocalHost() is corrected to filter out the
  link-local addresses and return a non-linklocal address to the
  application.
  .
  To obtain the fix:
  Install build 20110921 or later
  

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

• R600 PSY

     UP