ERROR:- rpmdb: unable to join the environment

PROBLEM:

You get following or error while Rebuilding RPM database:
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[root@www root]# rpm –rebuilddb
rpmdb: unable to join the environment
error: db4 error(11) from dbenv->open: Resource temporarily unavailable
error: cannot open Packages index
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SOLUTION:

Try This:
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[root@www root]# rm -f /var/lib/rpm/__db*
[root@www root]# echo “%__dbi_cdb create private cdb mpool mp_mmapsize=16Mb mp_size=1Mb” > /etc/rpm/macros
[root@www root]# rpm –rebuilddb
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