At the step of package installation, ansible will freeze without any log output for 2 hours and then finally it will throw ssh connection error that host is unreachable.
* 9/8/2020 8:18:08 PM : "download_only": false,
* 9/8/2020 8:18:20 PM : 17403 1599576500.81986: _low_level_execute_command(): executing: /bin/sh -c 'rm -f -r /home/wbuser/.ansible/tmp/ansible-tmp-1599576402.5-17403-228811267706642/ > /dev/null 2>&1 && sleep 0'
* 9/8/2020 8:18:20 PM : >>><<<
* 9/8/2020 8:18:20 PM : 17403 1599576500.86101: attempt loop complete, returning result
* 9/8/2020 8:18:20 PM : 17403 1599576500.86111: dumping result to json
* 9/8/2020 8:18:20 PM : "invocation": {
* 9/8/2020 8:18:20 PM : "update_cache": false,
* 9/8/2020 8:18:20 PM : "unzip-6.0-21.el7.x86_64 providing unzip is already installed",
* 9/8/2020 10:28:42 PM : 17410 1599584322.50669: stderr chunk (state=3):
* 9/8/2020 10:28:42 PM : >>>Shared connection to 52.225.188.39 closed.
* 9/8/2020 10:28:42 PM : <<<
* 9/8/2020 10:28:42 PM : 17410 1599584322.50769: stderr chunk (state=3):
* 9/8/2020 10:28:42 PM : >>><<<
* 9/8/2020 10:28:42 PM : 17410 1599584322.50780: stdout chunk (state=3):
* 9/8/2020 10:28:42 PM : >>><<<
* 9/8/2020 10:28:42 PM : <52.225.188.39> (255, '', 'Shared connection to 52.225.188.39 closed.\r\n')
* 9/8/2020 10:28:42 PM : 17410 1599584322.50832: _low_level_execute_command(): starting
* 9/8/2020 10:28:42 PM : 17410 1599584322.50843: _low_level_execute_command(): executing: /bin/sh -c 'rm -f -r /home/wbuser/.ansible/tmp/ansible-tmp-1599576402.86-17410-193336400580842/ > /dev/null 2>&1 && sleep 0'
* 9/8/2020 10:28:42 PM : <52.225.188.39> ESTABLISH SSH CONNECTION FOR USER: wbuser
* 9/8/2020 10:28:42 PM : <52.225.188.39> SSH: EXEC ssh -C -o ControlMaster=auto -o ControlPersist=60s -o StrictHostKeyChecking=no -o Port=33000 -o 'IdentityFile="/tmp/AnsibleFiles/id_rsa"' -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o 'User="wbuser"' -o ConnectTimeout=10 -o StrictHostKeyChecking=no -o ControlPath=/root/.ansible/cp/cccd982d88 52.225.188.39 '/bin/sh -c '"'"'rm -f -r /home/wbuser/.ansible/tmp/ansible-tmp-1599576402.86-17410-193336400580842/ > /dev/null 2>&1 && sleep 0'"'"''
* 9/8/2020 10:28:43 PM : 17410 1599584323.14653: stderr chunk (state=2):
* 9/8/2020 10:28:43 PM : >>><<<
* 9/8/2020 10:28:43 PM : 17410 1599584323.14667: stdout chunk (state=2):
* 9/8/2020 10:28:43 PM : >>><<<
* 9/8/2020 10:28:43 PM : <52.225.188.39> (0, '', '')
* 9/8/2020 10:28:43 PM : 17410 1599584323.14703: _low_level_execute_command() done: rc=0, stdout=, stderr=
* 9/8/2020 10:28:43 PM : 17410 1599584323.14742: _execute() done
* 9/8/2020 10:28:43 PM : 17410 1599584323.14745: dumping result to json
* 9/8/2020 10:28:43 PM : 17410 1599584323.14750: done dumping result, returning
* 9/8/2020 10:28:43 PM : 17410 1599584323.14777: done running TaskExecutor() for JbossEAP-26/TASK: jboss_common_role : Install packages [000d3ae7-f205-69c8-6cc1-0000000000c9]
* 9/8/2020 10:28:43 PM : 17410 1599584323.14799: sending task result for task 000d3ae7-f205-69c8-6cc1-0000000000c9
* 9/8/2020 10:28:43 PM : 17410 1599584323.15331: done sending task result for task 000d3ae7-f205-69c8-6cc1-0000000000c9
* 9/8/2020 10:28:43 PM : 17410 1599584323.15339: WORKER PROCESS EXITING
* 9/8/2020 10:28:43 PM : fatal: [JbossEAP-26]: UNREACHABLE! => {
* 9/8/2020 10:28:43 PM : "changed": false,
* 9/8/2020 10:28:43 PM : "msg": "Failed to connect to the host via ssh: Shared connection to 52.225.188.39 closed.",
* 9/8/2020 10:28:43 PM : "unreachable": true
* 9/8/2020 10:28:43 PM : }
Can anyone help in understanding why this would be happening and what measures I can take to prevent this?