2713855 - java.text.ParseException: Unparseable date "... WST"

Apply SBP or opatch lsinventory command fails with following error:
java.text.ParseException: Unparseable date: "2015.Dec.11 20:46:08 WST"
 at java.text.DateFormat.parse(DateFormat.java:377)
 at oracle.sysman.oii.oiii.OiiiCompsXMLHandler$OiiiInstallCompElementHandler.onStart(OiiiCompsXMLHandler.java:923)
 at oracle.sysman.oix.oixs.OixsElementHandler.startElement(OixsElementHandler.java:140)
 at oracle.sysman.oix.oixs.OixsDefaultHandler.startElement(OixsDefaultHandler.java:109)
 at oracle.xml.parser.v2.XMLContentHandler.startElement(XMLContentHandler.java:182)
 at oracle.xml.parser.v2.NonValidatingParser.parseElement(NonValidatingParser.java:1635)
 at oracle.xml.parser.v2.NonValidatingParser.parseRootElement(NonValidatingParser.java:458)
 at oracle.xml.parser.v2.NonValidatingParser.parseDocument(NonValidatingParser.java:404)
 at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:244)
 at oracle.sysman.oii.oiii.OiiiInstallXMLReader.readComps(OiiiInstallXMLReader.java:324)
 at oracle.sysman.oii.oiii.OiiiInstallXMLReader.readComps(OiiiInstallXMLReader.java:232)
 at oracle.sysman.oii.oiii.OiiiInstallInventory.getCompOHListElement(OiiiInstallInventory.java:2307)
 at oracle.sysman.oii.oiii.OiiiAreaInventory.getAllCompsVect(OiiiAreaInventory.java:1057)
 at oracle.opatch.ipm.RawInventory.loadRawInventory(RawInventory.java:227)
 at oracle.opatch.ipm.RawInventory.init(RawInventory.java:181)
 at oracle.opatch.ipm.RawInventory.getInstance(RawInventory.java:89)
 at oracle.opatch.ipm.IPMReadServices.getRawInventory(IPMReadServices.java:198)
 at oracle.opatch.ipm.IPMReadServices.loadInventory(IPMReadServices.java:1818)
 at oracle.opatch.LsInventorySession.process(LsInventorySession.java:357)
 at oracle.opatch.OPatchSession.process(OPatchSession.java:2114)
 at oracle.opatch.OPatch.process(OPatch.java:812)
 at oracle.opatch.OPatch.main(OPatch.java:862)

• SAP on Oracle

mopatch, opatch, lsinventory, WST, Unparseable, ParseException , KBA , BC-DB-ORA , Oracle , Problem