[/Apr/ :: +]  MainThread throttling_logger INFO     ( skipped) Identified java component java8 with full version java version "1.8.0_191" Java(TM) SE Runtime Environment (build 1.8.0_191-b12) Java HotSpot(TM) -Bit Server VM (build 25.191-b12, mixed mode)  for requested version .

[/Apr/ :: +]  MainThread agent        ERROR    Heartbeating to master: failed.

Traceback (most recent call last):

  File "/opt/cm-5.15.1/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.15.1-py2.7.egg/cmf/agent.py", line , in _send_heartbeat

    response = self.requestor.request('heartbeat', heartbeat_data)

  File "/opt/cm-5.15.1/lib64/cmf/agent/build/env/lib/python2.7/site-packages/avro-1.6.3-py2.7.egg/avro/ipc.py", line , in request

    return self.issue_request(call_request, message_name, request_datum)

  File "/opt/cm-5.15.1/lib64/cmf/agent/build/env/lib/python2.7/site-packages/avro-1.6.3-py2.7.egg/avro/ipc.py", line , in issue_request

    call_response = self.transceiver.transceive(call_request)

  File "/opt/cm-5.15.1/lib64/cmf/agent/build/env/lib/python2.7/site-packages/avro-1.6.3-py2.7.egg/avro/ipc.py", line , in transceive

    result = self.read_framed_message()

  File "/opt/cm-5.15.1/lib64/cmf/agent/build/env/lib/python2.7/site-packages/avro-1.6.3-py2.7.egg/avro/ipc.py", line , in read_framed_message

    response = self.conn.getresponse()

  File "/usr/lib64/python2.7/httplib.py", line , in getresponse

    response.begin()

  File "/usr/lib64/python2.7/httplib.py", line , in begin

    version, status, reason = self._read_status()

  File "/usr/lib64/python2.7/httplib.py", line , in _read_status

    raise BadStatusLine(line)

BadStatusLine: ''

[/Apr/ :: +]  MainThread agent        ERROR    Heartbeating to master: failed.

Traceback (most recent call last):

  File "/opt/cm-5.15.1/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.15.1-py2.7.egg/cmf/agent.py", line , in _send_heartbeat

    self.master_port)

  File "/opt/cm-5.15.1/lib64/cmf/agent/build/env/lib/python2.7/site-packages/avro-1.6.3-py2.7.egg/avro/ipc.py", line , in __init__

    self.conn.connect()

  File "/usr/lib64/python2.7/httplib.py", line , in connect

    self.timeout, self.source_address)

  File "/usr/lib64/python2.7/socket.py", line , in create_connection

    raise err

error: [Errno ] Connection refused

[/Apr/ :: +]  MainThread agent        INFO     Stopping agent...