Env: Websphere 6.1 JVM using ojdbc5.jar connecting to Oracle 10.2.0.4 database using JDBC Some of the JDBC threads hang and the JVM spins eating CPU until it's practically useless and requires restarting. Have any of you guys experienced this (perhaps related to /dev/random & /dev/urandom when generating secure keys)? strace: futex(0x49a89c08, FUTEX_WAIT_PRIVATE, 186043, {0, 999946406}) = -1 ETIMEDOUT (Connection timed out) futex(0x5112c2f8, FUTEX_WAKE_PRIVATE, 1) = 0 gettimeofday({1375389580, 317039}, NULL) = 0 gettimeofday({1375389580, 317100}, NULL) = 0 clock_gettime(CLOCK_REALTIME, {1375389580, 317154025}) = 0 futex(0x49a89c08, FUTEX_WAIT_PRIVATE, 186045, {0, 999945975}) = -1 ETIMEDOUT (Connection timed out) futex(0x5112c2f8, FUTEX_WAKE_PRIVATE, 1) = 0 gettimeofday({1375389581, 319063}, NULL) = 0 gettimeofday({1375389581, 319123}, NULL) = 0 clock_gettime(CLOCK_REALTIME, {1375389581, 319177002}) = 0 futex(0x49a89c08, FUTEX_WAIT_PRIVATE, 186047, {0, 999945998}) = -1 ETIMEDOUT (Connection timed out) futex(0x5112c2f8, FUTEX_WAKE_PRIVATE, 1) = 0 gettimeofday({1375389582, 321095}, NULL) = 0 gettimeofday({1375389582, 321159}, NULL) = 0 clock_gettime(CLOCK_REALTIME, {1375389582, 321212411}) = 0 futex(0x49a89c08, FUTEX_WAIT_PRIVATE, 186049, {0, 999946589} <unfinished ...> Chris D. Taylor Oracle DBA Parallon ITS 6640 Carothers Parkway Franklin, TN 37067 P: 615.344-8419 christopher.taylor2@xxxxxxxxxxxx www.parallon.com<http://www.parallon.com> -- //www.freelists.org/webpage/oracle-l