Agains problems with threads

[Walter do Valle]

I'm confused about this behavior. 
My tomcat 4.1 (Linux Red Hat 7.3 and IBM JDK 1.3.0) unexpectedly creates several 
threads and hangs.

See log below. It shows the instant time and the numbers of threads (ps -ef|grep -i 
java -c)
It was 35-37 threads about 6 hours. Then it increases the numbers of threads abruptly.
What is the problem?

Wed Nov 19 13:52:53 AMST 2003
qt. threads java: 37
Wed Nov 19 13:52:57 AMST 2003
qt. threads java: 37
Wed Nov 19 13:53:00 AMST 2003
qt. threads java: 37
Wed Nov 19 13:53:04 AMST 2003
qt. threads java: 37
Wed Nov 19 13:53:07 AMST 2003
qt. threads java: 37
Wed Nov 19 13:53:11 AMST 2003
qt. threads java: 37
Wed Nov 19 13:53:14 AMST 2003
qt. threads java: 37
Wed Nov 19 13:53:17 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:21 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:25 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:28 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:32 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:35 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:39 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:42 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:46 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:49 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:53 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:56 AMST 2003
qt. threads java: 41
Wed Nov 19 13:53:59 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:03 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:06 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:10 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:13 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:17 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:20 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:24 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:27 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:31 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:35 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:38 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:42 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:46 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:49 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:53 AMST 2003
qt. threads java: 41
Wed Nov 19 13:54:56 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:00 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:03 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:07 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:10 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:14 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:17 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:21 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:24 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:28 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:31 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:35 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:38 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:42 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:45 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:49 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:52 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:56 AMST 2003
qt. threads java: 41
Wed Nov 19 13:55:59 AMST 2003
qt. threads java: 41
Wed Nov 19 13:56:03 AMST 2003
qt. threads java: 41
Wed Nov 19 13:56:06 AMST 2003
qt. threads java: 41
Wed Nov 19 13:56:10 AMST 2003
qt. threads java: 41
Wed Nov 19 13:56:14 AMST 2003
qt. threads java: 41
Wed Nov 19 13:56:18 AMST 2003
qt. threads java: 41
Wed Nov 19 13:56:21 AMST 2003
qt. threads java: 41
Wed Nov 19 13:56:25 AMST 2003
qt. threads java: 41
Wed Nov 19 13:56:28 AMST 2003
qt. threads java: 45
Wed Nov 19 13:56:32 AMST 2003
qt. threads java: 44
Wed Nov 19 13:56:35 AMST 2003
qt. threads java: 45
Wed Nov 19 13:56:39 AMST 2003
qt. threads java: 45
Wed Nov 19 13:56:42 AMST 2003
qt. threads java: 45
Wed Nov 19 13:56:46 AMST 2003
qt. threads java: 45
Wed Nov 19 13:56:49 AMST 2003
qt. threads java: 45
Wed Nov 19 13:56:53 AMST 2003
qt. threads java: 45
Wed Nov 19 13:56:57 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:00 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:04 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:07 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:11 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:14 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:18 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:22 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:25 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:29 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:32 AMST 2003
qt. threads java: 45
Wed Nov 19 13:57:36 AMST 2003
qt. threads java: 49
Wed Nov 19 13:57:40 AMST 2003
qt. threads java: 49
Wed Nov 19 13:57:43 AMST 2003
qt. threads java: 49
Wed Nov 19 13:57:47 AMST 2003
qt. threads java: 49
Wed Nov 19 13:57:50 AMST 2003
qt. threads java: 49
Wed Nov 19 13:57:54 AMST 2003
qt. threads java: 49
Wed Nov 19 13:57:58 AMST 2003
qt. threads java: 49
Wed Nov 19 13:58:02 AMST 2003
qt. threads java: 53
Wed Nov 19 13:58:06 AMST 2003
qt. threads java: 53
Wed Nov 19 13:58:09 AMST 2003
qt. threads java: 53
Wed Nov 19 13:58:13 AMST 2003
qt. threads java: 57
Wed Nov 19 13:58:17 AMST 2003
qt. threads java: 57
Wed Nov 19 13:58:20 AMST 2003
qt. threads java: 57
Wed Nov 19 13:58:24 AMST 2003
qt. threads java: 57
Wed Nov 19 13:58:28 AMST 2003
qt. threads java: 57
Wed Nov 19 13:58:32 AMST 2003
qt. threads java: 61
Wed Nov 19 13:58:35 AMST 2003
qt. threads java: 61
Wed Nov 19 13:58:39 AMST 2003
qt. threads java: 61
Wed Nov 19 13:58:43 AMST 2003
qt. threads java: 61
Wed Nov 19 13:58:47 AMST 2003
qt. threads java: 61
Wed Nov 19 13:58:50 AMST 2003
qt. threads java: 61
Wed Nov 19 13:58:54 AMST 2003
qt. threads java: 61
Wed Nov 19 13:58:58 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:02 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:06 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:10 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:13 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:17 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:21 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:25 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:29 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:33 AMST 2003
qt. threads java: 61
Wed Nov 19 13:59:36 AMST 2003
qt. threads java: 65
Wed Nov 19 13:59:40 AMST 2003
qt. threads java: 65
Wed Nov 19 13:59:44 AMST 2003
qt. threads java: 65
Wed Nov 19 13:59:48 AMST 2003
qt. threads java: 65
Wed Nov 19 13:59:52 AMST 2003
qt. threads java: 65
Wed Nov 19 13:59:56 AMST 2003
qt. threads java: 65
Wed Nov 19 13:59:59 AMST 2003
qt. threads java: 65
Wed Nov 19 14:00:04 AMST 2003
qt. threads java: 65
Wed Nov 19 14:00:08 AMST 2003
qt. threads java: 65
Wed Nov 19 14:00:11 AMST 2003
qt. threads java: 65
Wed Nov 19 14:00:15 AMST 2003
qt. threads java: 65
Wed Nov 19 14:00:19 AMST 2003
qt. threads java: 65
Wed Nov 19 14:00:23 AMST 2003
qt. threads java: 65
Wed Nov 19 14:00:26 AMST 2003
qt. threads java: 67
Wed Nov 19 14:00:32 AMST 2003
qt. threads java: 67
Wed Nov 19 14:00:35 AMST 2003
qt. threads java: 67
Wed Nov 19 14:00:39 AMST 2003
qt. threads java: 67
Wed Nov 19 14:00:43 AMST 2003
qt. threads java: 67
Wed Nov 19 14:00:47 AMST 2003
qt. threads java: 68
Wed Nov 19 14:00:50 AMST 2003
qt. threads java: 68
Wed Nov 19 14:00:55 AMST 2003
qt. threads java: 68
Wed Nov 19 14:00:59 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:03 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:07 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:12 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:16 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:20 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:24 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:28 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:32 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:36 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:40 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:44 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:48 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:51 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:55 AMST 2003
qt. threads java: 69
Wed Nov 19 14:01:59 AMST 2003
qt. threads java: 69
Wed Nov 19 14:02:03 AMST 2003
qt. threads java: 69
Wed Nov 19 14:02:07 AMST 2003
qt. threads java: 70
Wed Nov 19 14:02:11 AMST 2003
qt. threads java: 70
Wed Nov 19 14:02:15 AMST 2003
qt. threads java: 70
Wed Nov 19 14:02:19 AMST 2003
qt. threads java: 70
Wed Nov 19 14:02:23 AMST 2003
qt. threads java: 70
Wed Nov 19 14:02:27 AMST 2003
qt. threads java: 70
Wed Nov 19 14:02:31 AMST 2003
qt. threads java: 71
Wed Nov 19 14:02:35 AMST 2003
qt. threads java: 71
Wed Nov 19 14:02:38 AMST 2003
qt. threads java: 71
Wed Nov 19 14:02:43 AMST 2003
qt. threads java: 71
Wed Nov 19 14:02:46 AMST 2003
qt. threads java: 71
Wed Nov 19 14:02:51 AMST 2003
qt. threads java: 71
Wed Nov 19 14:02:55 AMST 2003
qt. threads java: 73
Wed Nov 19 14:02:59 AMST 2003
qt. threads java: 73
Wed Nov 19 14:03:03 AMST 2003
qt. threads java: 73
Wed Nov 19 14:03:07 AMST 2003
qt. threads java: 73
Wed Nov 19 14:03:11 AMST 2003
qt. threads java: 73
Wed Nov 19 14:03:14 AMST 2003
qt. threads java: 73
Wed Nov 19 14:03:18 AMST 2003
qt. threads java: 73
Wed Nov 19 14:03:22 AMST 2003
qt. threads java: 74
Wed Nov 19 14:03:27 AMST 2003
qt. threads java: 74
Wed Nov 19 14:03:31 AMST 2003
qt. threads java: 74
Wed Nov 19 14:03:34 AMST 2003
qt. threads java: 74
Wed Nov 19 14:03:38 AMST 2003
qt. threads java: 75
Wed Nov 19 14:03:43 AMST 2003
qt. threads java: 75
Wed Nov 19 14:03:46 AMST 2003
qt. threads java: 75
Wed Nov 19 14:03:50 AMST 2003
qt. threads java: 76
Wed Nov 19 14:03:54 AMST 2003
qt. threads java: 76
Wed Nov 19 14:03:58 AMST 2003
qt. threads java: 76
Wed Nov 19 14:04:02 AMST 2003
qt. threads java: 76
Wed Nov 19 14:04:06 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:10 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:14 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:19 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:23 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:27 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:32 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:36 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:39 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:43 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:47 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:51 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:55 AMST 2003
qt. threads java: 77
Wed Nov 19 14:04:59 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:03 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:07 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:10 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:14 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:18 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:22 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:26 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:30 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:33 AMST 2003
qt. threads java: 77
Wed Nov 19 14:05:37 AMST 2003
qt. threads java: 78
Wed Nov 19 14:05:41 AMST 2003
qt. threads java: 78
Wed Nov 19 14:05:45 AMST 2003
qt. threads java: 78
Wed Nov 19 14:05:49 AMST 2003
qt. threads java: 79
Wed Nov 19 14:05:53 AMST 2003
qt. threads java: 79
Wed Nov 19 14:05:57 AMST 2003
qt. threads java: 79
Wed Nov 19 14:06:01 AMST 2003
qt. threads java: 79
Wed Nov 19 14:06:05 AMST 2003
qt. threads java: 79
Wed Nov 19 14:06:09 AMST 2003
qt. threads java: 80
Wed Nov 19 14:06:13 AMST 2003
qt. threads java: 80
Wed Nov 19 14:06:18 AMST 2003
qt. threads java: 80
Wed Nov 19 14:06:22 AMST 2003
qt. threads java: 80
Wed Nov 19 14:06:26 AMST 2003
qt. threads java: 80
Wed Nov 19 14:06:30 AMST 2003
qt. threads java: 80
Wed Nov 19 14:06:34 AMST 2003
qt. threads java: 80
Wed Nov 19 14:06:39 AMST 2003
qt. threads java: 80
Wed Nov 19 14:06:43 AMST 2003
qt. threads java: 80
Wed Nov 19 14:06:47 AMST 2003
qt. threads java: 81
Wed Nov 19 14:06:51 AMST 2003
qt. threads java: 81
Wed Nov 19 14:06:56 AMST 2003
qt. threads java: 81
Wed Nov 19 14:07:00 AMST 2003
qt. threads java: 81
Wed Nov 19 14:07:04 AMST 2003
qt. threads java: 81
Wed Nov 19 14:07:07 AMST 2003
qt. threads java: 82
Wed Nov 19 14:07:12 AMST 2003
qt. threads java: 75
Wed Nov 19 14:07:16 AMST 2003
qt. threads java: 75
Wed Nov 19 14:07:20 AMST 2003
qt. threads java: 75
Wed Nov 19 14:07:24 AMST 2003
qt. threads java: 75
Wed Nov 19 14:07:28 AMST 2003
qt. threads java: 76
Wed Nov 19 14:07:32 AMST 2003
qt. threads java: 76
Wed Nov 19 14:07:36 AMST 2003
qt. threads java: 76
Wed Nov 19 14:07:39 AMST 2003
qt. threads java: 76
Wed Nov 19 14:07:43 AMST 2003
qt. threads java: 76
Wed Nov 19 14:07:47 AMST 2003
qt. threads java: 76
Wed Nov 19 14:07:51 AMST 2003
qt. threads java: 77
Wed Nov 19 14:07:55 AMST 2003
qt. threads java: 77
Wed Nov 19 14:07:59 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:03 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:07 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:11 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:15 AMST 2003
qt. threads java: 78
Wed Nov 19 14:08:19 AMST 2003
qt. threads java: 78
Wed Nov 19 14:08:23 AMST 2003
qt. threads java: 78
Wed Nov 19 14:08:28 AMST 2003
qt. threads java: 78
Wed Nov 19 14:08:32 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:36 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:40 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:43 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:47 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:51 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:55 AMST 2003
qt. threads java: 77
Wed Nov 19 14:08:59 AMST 2003
qt. threads java: 77
Wed Nov 19 14:09:02 AMST 2003
qt. threads java: 78
Wed Nov 19 14:09:07 AMST 2003
qt. threads java: 78
Wed Nov 19 14:09:11 AMST 2003
qt. threads java: 78
Wed Nov 19 14:09:15 AMST 2003
qt. threads java: 78
Wed Nov 19 14:09:19 AMST 2003
qt. threads java: 79
Wed Nov 19 14:09:23 AMST 2003
qt. threads java: 79
Wed Nov 19 14:09:27 AMST 2003
qt. threads java: 80
Wed Nov 19 14:09:31 AMST 2003
qt. threads java: 80
Wed Nov 19 14:09:35 AMST 2003
qt. threads java: 80
Wed Nov 19 14:09:38 AMST 2003
qt. threads java: 80
Wed Nov 19 14:09:42 AMST 2003
qt. threads java: 81
Wed Nov 19 14:09:46 AMST 2003
qt. threads java: 81
Wed Nov 19 14:09:50 AMST 2003
qt. threads java: 81
Wed Nov 19 14:09:54 AMST 2003
qt. threads java: 81
Wed Nov 19 14:09:58 AMST 2003
qt. threads java: 81
Wed Nov 19 14:10:02 AMST 2003
qt. threads java: 81
Wed Nov 19 14:10:06 AMST 2003
qt. threads java: 81
Wed Nov 19 14:10:10 AMST 2003
qt. threads java: 81
Wed Nov 19 14:10:14 AMST 2003
qt. threads java: 81
Wed Nov 19 14:10:18 AMST 2003
qt. threads java: 82
Wed Nov 19 14:10:22 AMST 2003
qt. threads java: 82
Wed Nov 19 14:10:26 AMST 2003
qt. threads java: 82
Wed Nov 19 14:10:30 AMST 2003
qt. threads java: 83
Wed Nov 19 14:10:34 AMST 2003
qt. threads java: 83
Wed Nov 19 14:10:39 AMST 2003
qt. threads java: 83
Wed Nov 19 14:10:43 AMST 2003
qt. threads java: 83
Wed Nov 19 14:10:47 AMST 2003
qt. threads java: 84
Wed Nov 19 14:10:50 AMST 2003
qt. threads java: 84
Wed Nov 19 14:10:54 AMST 2003
qt. threads java: 84
Wed Nov 19 14:10:58 AMST 2003
qt. threads java: 84
Wed Nov 19 14:11:02 AMST 2003
qt. threads java: 85
Wed Nov 19 14:11:06 AMST 2003
qt. threads java: 85
Wed Nov 19 14:11:10 AMST 2003
qt. threads java: 83
Wed Nov 19 14:11:14 AMST 2003
qt. threads java: 83
Wed Nov 19 14:11:18 AMST 2003
qt. threads java: 83
Wed Nov 19 14:11:22 AMST 2003
qt. threads java: 82
Wed Nov 19 14:11:26 AMST 2003
qt. threads java: 82
Wed Nov 19 14:11:30 AMST 2003
qt. threads java: 82
Wed Nov 19 14:11:33 AMST 2003
qt. threads java: 82
Wed Nov 19 14:11:37 AMST 2003
qt. threads java: 82
Wed Nov 19 14:11:41 AMST 2003
qt. threads java: 82
Wed Nov 19 14:11:46 AMST 2003
qt. threads java: 82
Wed Nov 19 14:11:49 AMST 2003
qt. threads java: 82
Wed Nov 19 14:11:53 AMST 2003
qt. threads java: 82
Wed Nov 19 14:11:57 AMST 2003
qt. threads java: 83
Wed Nov 19 14:12:01 AMST 2003
qt. threads java: 83
Wed Nov 19 14:12:05 AMST 2003
qt. threads java: 83
Wed Nov 19 14:12:09 AMST 2003
qt. threads java: 
Wed Nov 19 14:12:13 AMST 2003
qt. threads java: 84