yum update的错误？

webcraft

[root@localhost youhuali]# yum update ant
Setting up Update Process
Setting up repositories
development               100% |=========================| 1.1 kB    00:00
extras-development        100% |=========================| 1.1 kB    00:00
Reading repository metadata in from local files
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Package ant.i386 0:1.6.2-3jpp_11fc set to be updated
--> Running transaction check
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-regexp
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-bcel
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-commons-logging
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-bsf
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-jdepend
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-jmf
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-trax
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-javamail
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-jsch
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-oro
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-resolver
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-junit
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-nodeps
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-antlr
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-log4j
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-swing
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Package ant-antlr.i386 0:1.6.2-3jpp_11fc set to be updated
---> Package ant-apache-oro.i386 0:1.6.2-3jpp_11fc set to be updated
---> Package ant-trax.i386 0:1.6.2-3jpp_11fc set to be updated
---> Package ant-nodeps.i386 0:1.6.2-3jpp_11fc set to be updated
---> Package ant-jmf.i386 0:1.6.2-3jpp_11fc set to be updated
---> Package ant-javamail.i386 0:1.6.2-3jpp_11fc set to be updated
---> Package ant-junit.i386 0:1.6.2-3jpp_11fc set to be updated
---> Package ant-swing.i386 0:1.6.2-3jpp_11fc set to be updated
---> Package ant-apache-bsf.i386 0:1.6.2-3jpp_11fc set to be updated
---> Package ant-jdepend.i386 0:1.6.2-3jpp_11fc set to be updated
--> Running transaction check
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-bcel
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-commons-logging
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-regexp
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-jsch
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-resolver
--> Processing Dependency: ant = 0:1.6.2-3jpp_10fc for package: ant-apache-log4j
--> Finished Dependency Resolution
Error: Missing Dependency: ant = 0:1.6.2-3jpp_10fc is needed by package ant-apache-regexp
Error: Missing Dependency: ant = 0:1.6.2-3jpp_10fc is needed by package ant-apache-bcel
Error: Missing Dependency: ant = 0:1.6.2-3jpp_10fc is needed by package ant-commons-logging
Error: Missing Dependency: ant = 0:1.6.2-3jpp_10fc is needed by package ant-jsch
Error: Missing Dependency: ant = 0:1.6.2-3jpp_10fc is needed by package ant-apache-resolver
Error: Missing Dependency: ant = 0:1.6.2-3jpp_10fc is needed by package ant-apache-log4j
[root@localhost youhuali]#

这个出错信息什么意思？如果这个ant的版本是其他包要用的，yum不是会自动更新的吗？