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I have compiled/install php3/apache-1.3.9 with Oracle 8.1.5. I follwed the instructions but stille it don't work. I have made a simple test script: <? echo("<html>"); echo("<head>"); echo("<title>ORACLE example 1</title>"); echo("</head>"); echo("<body>"); echo("<h1>"); PutEnv("ORACLE_HOME=/opt/app/oracle/produt/8.1.5"); PutEnv("ORACLE_SID=DEMO"); PutEnv("ORA_NLS=/opt/app/oracle/product/8.1.5/ocommon/nls/admin/data"); $conn_id = Ora_Logon("system/manager",""); $cur = ora_open($conn_id); echo("</h1>"); echo("</body>"); echo("</html>"); ?> output from gdb: Program received signal SIGSEGV, Segmentation fault. 0x8122368 in stdout () (gdb) (gdb) bt #0 0x8122368 in stdout () #1 0x807ef55 in strcpy () #2 0x807ed6a in strcpy () #3 0x809c934 in strcpy () #4 0x80650c8 in strcpy () #5 0x8065290 in strcpy () #6 0x8062949 in strcpy () #7 0x80629aa in strcpy () #8 0x80a8eb3 in strcpy () #9 0x80bc1a9 in strcpy () #10 0x80bc20c in strcpy () #11 0x80b3bce in strcpy () #12 0x80b3d5c in strcpy () #13 0x80b3eb9 in strcpy () #14 0x80b44e6 in strcpy () #15 0x80b4c63 in strcpy () #16 0x405fbcb3 in __libc_start_main (main=0x80b492c <strcpy+428036>, argc=4, argv=0xbffffd34, init=0x804b1e8 <_init>, fini=0x80e888c <_fini>, rtld_fini=0x4000a350 <_dl_fini>, stack_end=0xbffffd2c) at ../sysdeps/generic/libc-start.c:78 (gdb) If i remove the logon command i don't core dump. Kind regards Peter Michael Nielsen pmn2post10.tele.dk