What does this linker messages try to tell me?

[Frank Benoit]

OPTLINK (R) for Win32  Release 8.00.1
Copyright (C) Digital Mars 1989-2004  All rights reserved.
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(AbstractObservableList)
 Offset F0567H Record
Type 00C3
 Error 1: Previous Definition Different :
_D3org7eclipse4core11databinding10observable4list22AbstractObservabl
eList22AbstractObservableList3addMFC6ObjectZb
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(AbstractObservableList)
 Offset F070DH Record
Type 00C3
 Error 1: Previous Definition Different :
_D3org7eclipse4core11databinding10observable4list22AbstractObservabl
eList22AbstractObservableList6removeMFC6ObjectZb
C:\Project\dwtinst\dwt-rcp\lib\dwt-base.lib(PrintWriter)  Offset 0ABF6H
Record Type 00C3
 Error 1: Previous Definition Different :
_D4java2io11PrintWriter11PrintWriter5printMFAaZv
C:\Project\dwtinst\dwt-rcp\lib\dwt-base.lib(PrintWriter)  Offset 0AEA6H
Record Type 00C3
 Error 1: Previous Definition Different :
_D4java2io11PrintWriter11PrintWriter7printlnMFAaZv
C:\Project\dwtinst\dwt-rcp\lib\dwt-base.lib(PrintWriter)  Offset 0AFF3H
Record Type 00C3
 Error 1: Previous Definition Different :
_D4java2io11PrintWriter11PrintWriter5writeMFAaZv
C:\Project\dwtinst\dwt-rcp\lib\dwt-base.lib(PrintWriter)  Offset 0B038H
Record Type 00C3
 Error 1: Previous Definition Different :
_D4java2io11PrintWriter11PrintWriter5writeMFAaiiZv
C:\Project\dwtinst\dwt-rcp\lib\dwt-base.lib(PrintStream)  Offset 0827CH
Record Type 00C3
 Error 1: Previous Definition Different :
_D4java2io11PrintStream11PrintStream5printMFAaZv
C:\Project\dwtinst\dwt-rcp\lib\dwt-base.lib(PrintStream)  Offset 0852CH
Record Type 00C3
 Error 1: Previous Definition Different :
_D4java2io11PrintStream11PrintStream7printlnMFAaZv
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(NumberToFloatConverter)
 Error 42: Symbol Undefined _D3com3ibm3icu4text12NumberFormat12__ModuleInfoZ
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(UpdateStrategy)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text12NumberFormat12NumberFormat18getIntegerInstanceFZC3com3ibm3icu
4text12NumberFormat12NumberFormat
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(UpdateStrategy)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text12NumberFormat12NumberFormat17getNumberInstanceFZC3com3ibm3icu4
text12NumberFormat12NumberFormat
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(BindingMessages)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text13MessageFormat13MessageFormat6formatFAaAC6ObjectZAa
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(BindingMessages)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text13MessageFormat12__ModuleInfoZ
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(DateConversionSupport)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text10DateFormat10DateFormat15getTimeInstanceFiZC3com3ibm3icu4text1
0DateFormat10DateFormat
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(DateConversionSupport)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text10DateFormat10DateFormat19getDateTimeInstanceFiiZC3com3ibm3icu4
text10DateFormat10DateFormat
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(DateConversionSupport)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text10DateFormat10DateFormat15getDateInstanceFiZC3com3ibm3icu4text1
0DateFormat10DateFormat
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(DateConversionSupport)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text16SimpleDateFormat16SimpleDateFormat7__ClassZ
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(DateConversionSupport)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text16SimpleDateFormat16SimpleDateFormat5_ctorMFAaZC3com3ibm3icu4te
xt16SimpleDateFormat16SimpleDateFormat
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(DateConversionSupport)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text10DateFormat10DateFormat7__ClassZ
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(DateConversionSupport)
 Error 42: Symbol Undefined
_D3com3ibm3icu4text16SimpleDateFormat12__ModuleInfoZ
C:\Project\dwtinst\dwt-rcp\lib\org.eclipse.core.databinding.lib(DateConversionSupport)
 Error 42: Symbol Undefined _D3com3ibm3icu4text10DateFormat12__ModuleInfoZ
C:\Project\dwtinst\dwt-rcp\lib\dwt-base.lib(AbstractSet)
 Error 42: Symbol Undefined
_D4java4util18AbstractCollection18AbstractCollection8iteratorMFZC4java4util8Iterat
or8Iterator
C:\Project\dwtinst\dwt-rcp\lib\dwt-base.lib(AbstractSet)
 Error 42: Symbol Undefined
_D4java4util18AbstractCollection18AbstractCollection4sizeMFZi
C:\Project\dwtinst\dwt-rcp\lib\dwt-base.lib(AbstractSet)
 Error 42: Symbol Undefined
_D4java4util10Collection10Collection7opApplyMFDFKC6ObjectZiZi