Hi
Could anyone throw some light on why I get this error when trying to trying to connect to an external application via the Socket - attach option when using jdb in jdee. c:/Main/build-tools/j2sdk1.4.1_01/bin/jdb.exe -attach localhost:3999 java.io.IOException: shmemBase_attach failed, error code = -1 at com.sun.tools.jdi.SharedMemoryTransport.attach0(Native Method) at com.sun.tools.jdi.SharedMemoryTransport.attach(SharedMemoryTransport.jav a:43) at com.sun.tools.jdi.SharedMemoryAttachingConnector.attach(SharedMemoryAtta chingConnector.java:43) at com.sun.tools.example.debug.tty.VMConnection.attachTarget(VMConnection.j ava:346) at com.sun.tools.example.debug.tty.VMConnection.open(VMConnection.java:168) at com.sun.tools.example.debug.tty.Env.init(Env.java:63) at com.sun.tools.example.debug.tty.TTY.main(TTY.java:829) Fatal error: Unable to attach to target VM. Error accessing shared memory, rc = -1 Comint finished Thanks Philip