Python:
>>> connection = cx_Oracle.connect("uid/pwd@database")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
cx_Oracle.InterfaceError: Unable to acquire Oracle environment handle
>>> 

Strace:
Process 13846 attached - interrupt to quit
select(1, [0], NULL, NULL, NULL)        = 1 (in [0])
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
read(0, "\r"..., 1)                     = 1
write(1, "\n"..., 1)                    = 1
rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0
ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) = 0
ioctl(0, SNDCTL_TMR_STOP or TCSETSW, {B38400 opost isig icanon echo ...}) = 0
ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGWINCH, {SIG_DFL}, {0x7f27d82ab4c0, [], SA_RESTORER|SA_RESTART, 0x7f27d92f1080}, 8) = 0
open("/etc/default/apport", O_RDONLY)   = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=243, ...}) = 0
fstat(3, {st_mode=S_IFREG|0644, st_size=243, ...}) = 0
lseek(3, 0, SEEK_CUR)                   = 0
fstat(3, {st_mode=S_IFREG|0644, st_size=243, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f27d9718000
lseek(3, 0, SEEK_CUR)                   = 0
read(3, "# set this to 0 to disable apport"..., 4096) = 243
read(3, ""..., 4096)                    = 0
close(3)                                = 0
munmap(0x7f27d9718000, 4096)            = 0
write(2, "Traceback (most recent call last)"..., 35) = 35
write(2, "  File \"<stdin>\", line 1, in <mod"..., 38) = 38
open("<stdin>", O_RDONLY)               = -1 ENOENT (No such file or directory)
open("<stdin>", O_RDONLY)               = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.6/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.6/plat-linux2/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.6/lib-tk/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.6/lib-old/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.6/lib-dynload/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.6/dist-packages/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.6/dist-packages/PIL/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.6/dist-packages/gst-0.10/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/var/lib/python-support/python2.6/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.6/dist-packages/gtk-2.0/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/var/lib/python-support/python2.6/gtk-2.0/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/local/lib/python2.6/dist-packages/<stdin>", O_RDONLY) = -1 ENOENT (No such file or directory)
write(2, "cx_Oracle"..., 9)             = 9
write(2, "."..., 1)                     = 1
write(2, "InterfaceError"..., 14)       = 14
write(2, ": "..., 2)                    = 2
write(2, "Unable to acquire Oracle environm"..., 43) = 43
write(2, "\n"..., 1)                    = 1
ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0
ioctl(0, TIOCGWINSZ, {ws_row=55, ws_col=157, ws_xpixel=0, ws_ypixel=0}) = 0
ioctl(0, TIOCSWINSZ, {ws_row=55, ws_col=157, ws_xpixel=0, ws_ypixel=0}) = 0
ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(0, SNDCTL_TMR_STOP or TCSETSW, {B38400 opost isig -icanon -echo ...}) = 0
ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGWINCH, {0x7f27d82ab4c0, [], SA_RESTORER|SA_RESTART, 0x7f27d92f1080}, {SIG_DFL}, 8) = 0
write(1, ">>> "..., 4)                  = 4
select(1, [0], NULL, NULL, NULL^C <unfinished ...>