unknowly libc.so.6 file is removed., recreate the soft link as show below.....
cd /usr/lib or /lib
ln -s libc-2.5.so libc.so.6
ls -ltr libc.so.6*
cd /usr/lib or /lib
ln -s libc-2.5.so libc.so.6
ls -ltr libc.so.6*
error while loading shared libraries: libdb.so.3:
ln -s /usr/lib/libdb.so.2 /usr/lib/libdb.so.3
RunInstaller fails with java.lang.UnsatisfiedLinkError
$cd /usr/lib
$ln -s libXpm.so.4.11.0 libXp.so.6
ln –s /usr/lib/libgdbm.so.2.0.0 libdb.so.2
ln -s /usr/lib/libdb.so.2 /usr/lib/libdb.so.3 ---Error: libdb.so.3: can't open shared object file
ln -s libc-2.5.so libc.so.6 --- ls -tlr libc.so.6*
ln -s /usr/lib/libgdbm.so.2.0.0 /usr/lib/libdb.so.2
chmod 755 /usr/lib/libgdbm.so.2.0.0
chmod 755 /usr/lib/libdb.so.2
RunInstaller fails with java.lang.UnsatisfiedLinkError
$cd /usr/lib
$ln -s libXpm.so.4.11.0 libXp.so.6
ln –s /usr/lib/libgdbm.so.2.0.0 libdb.so.2
ln -s /usr/lib/libdb.so.2 /usr/lib/libdb.so.3 ---Error: libdb.so.3: can't open shared object file
ln -s libc-2.5.so libc.so.6 --- ls -tlr libc.so.6*
ln -s /usr/lib/libgdbm.so.2.0.0 /usr/lib/libdb.so.2
chmod 755 /usr/lib/libgdbm.so.2.0.0
chmod 755 /usr/lib/libdb.so.2