用yum更新系统时产生的错误！

boyhyc

我是第一次试用与yum更新我的redhat ES3系统
在执行yum update的过程中出现一些错误信息，请各位指点一下！
错误信息如下：
上面正确信息省略
…………………………
libgnomeprint15-1-0.37-10 100% |=========================| 3.9 kB    00:00
macutils-0-2.0b3-29.i386. 100% |=========================| 2.6 kB    00:00
g-wrap-0-1.3.4-7.i386.hdr 100% |=========================| 3.3 kB    00:00
synaptics-0-0.13.5-5.i386 100% |=========================| 2.9 kB    00:00
Resolving dependencies
.Package rh-postgresql-tcl needs libtcl8.3.so, this is not available.
Package gtkam-gimp needs libgimp-1.2.so.0, this is not available.
Package gtkam-gimp needs libgimpui-1.2.so.0, this is not available.
Package openoffice-libs needs libdb_cxx-4.1.so, this is not available.
conflict between rh-postgresql-python and python
Package redhat-config-mouse needs /usr/bin/python2.2, this is not available.
Package redhat-config-network-tui needs /usr/bin/python2.2, this is not available.
Package redhat-config-date needs /usr/bin/python2.2, this is not available.
Package redhat-config-keyboard needs /usr/bin/python2.2, this is not available.
Package redhat-config-language needs /usr/bin/python2.2, this is not available.
Package redhat-config-rootpassword needs /usr/bin/python2.2, this is not available.
Package redhat-config-securitylevel needs /usr/bin/python2.2, this is not available.
Package redhat-config-soundcard needs /usr/bin/python2.2, this is not available.
Package redhat-config-users needs /usr/bin/python2.2, this is not available.
Package redhat-config-xfree86 needs /usr/bin/python2.2, this is not available.
Package redhat-config-kickstart needs /usr/bin/python2.2, this is not available.
Package redhat-config-nfs needs /usr/bin/python2.2, this is not available.
Package redhat-config-samba needs /usr/bin/python2.2, this is not available.
Package redhat-config-bind needs /usr/bin/python2.2, this is not available.
Package kinput2-canna-wnn6 needs libcanna16.so.1.1, this is not available.
Package imap needs libcom_err.so.3, this is not available.
出现这些信息后就终止了，
是因为信息中显示的这些包有问题吗？但我这些包好象都有，红色部分不许可是什么原因！！
谢谢！