我有一個 Java EE 應用程式在具有 Java 7 和 Wildfly 9 的 Red Hat 6 中運行。然後再過幾天應用程式就會變得正常。我在 Wildfly server.log 中沒有任何 jvm 錯誤或任何其他 Java 錯誤，但我使用dmesg命令取得了此錯誤訊息。
NET: Registered protocol family 36
INFO: task java:14736 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
java D 0000000000000002 0 14736 1 0x00000080
ffff8804aefdddf8 0000000000000082 0000000000000000 ffff8804fb0211e8
ffffea0011529c00 ffff8804aefddde8 0000000000000000 000000011889588b
ffff8804875eba78 ffff8804aefddfd8 000000000000f598 ffff8804875eba78
Call Trace:
[<ffffffffa00e05d5>] jbd2_log_wait_commit+0xc5/0x140 [jbd2]
[<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40
[<ffffffffa00e0686>] ? __jbd2_log_start_commit+0x36/0x40 [jbd2]
[<ffffffffa00fc55c>] ext4_sync_file+0x13c/0x250 [ext4]
[<ffffffff811a09b1>] vfs_fsync_range+0xa1/0xe0
[<ffffffff811a0a5d>] vfs_fsync+0x1d/0x20
[<ffffffff811a0a9e>] do_fsync+0x3e/0x60
[<ffffffff811a0af0>] sys_fsync+0x10/0x20
[<ffffffff8100b172>] system_call_fastpath+0x16/0x1b
hrtimer: interrupt took 3019336509 ns
NET: Unregistered protocol family 36
NET: Registered protocol family 36
我已經尋找答案並將以下設定應用到我的sysctl.conf.
vm.dirty_background_ratio = 5
vm.dirty_ratio = 10
但是，沒用！有人知道什麼可能導致這個問題嗎？