Update to i5/OS Daylight saving time (DST) support, need replacement PTF's.

Hello,

Please read this if you have applied the i5/OS  time zone updates PTFs  for
the new US time zones. Those PTFs were V5R4M0 SI24908 or V5R3M0 SI24906.
 (This also applies to the earlier time zone updates V5R4M0 SI24717 or
V5R3M0 SI24716.)

IBM has discovered a problem when using Java with the PTF's that were put
out for the time zone updates.   In some cases after loading those PTF's
you could receive  the following error when starting Java.
      "QJVAMSGF/JVAB577     Message . . . . :   Timezone could not be
found.  Defaulting to UTC."

UTC time is defined based on the prime meridian (0° longitude). This Java
setting would only be correct for systems based in cities that have a zero
offset from UTC, for example London or Lisbon.  If your system is not be in
a city that has a zero offset from UTC this error will result in the Java
time functions not being in sync with the system time functions.   The PTFs
SI24908 & SI24906 have been replaced with  new PTF's that co-req the
required Java update.

Here are the new PTF numbers needed for this update.
      V5R4M0 SI26040 and SI25990
      V5R3M0 SI26039 and SI25991

Please apply these PTFs to ensure you do not have problems with time
functions in Java.

Pat

                      Pat Glenski
     IBM i5/OS  Globalization Architect