Dmytro Sen created AMBARI-19963:
-----------------------------------

             Summary: Deviation alerts fail with "No JSON object could be 
decoded"
                 Key: AMBARI-19963
                 URL: https://issues.apache.org/jira/browse/AMBARI-19963
             Project: Ambari
          Issue Type: Bug
    Affects Versions: 2.5.0
            Reporter: Dmytro Sen
            Assignee: Dmytro Sen
            Priority: Blocker
             Fix For: 2.5.0
         Attachments: AMBARI-19963.patch

Deviation alerts fail with 
{code}
ERROR 2017-02-09 17:50:12,896 base_alert.py:132 - 
[Alert][namenode_service_rpc_processing_latency_hourly] Unable to execute 
alert. No JSON object could be decoded
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/ambari_agent/alerts/base_alert.py", 
line 112, in collect
    res = self._collect()
  File "/usr/lib/python2.6/site-packages/ambari_agent/alerts/script_alert.py", 
line 115, in _collect
    result = cmd_module.execute(configurations, self.parameters, self.host_name)
  File 
"/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/alerts/alert_metrics_deviation.py",
 line 326, in execute
    data_json = json.loads(data)
  File "/usr/lib64/python2.7/json/__init__.py", line 338, in loads
    return _default_decoder.decode(s)
  File "/usr/lib64/python2.7/json/decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib64/python2.7/json/decoder.py", line 384, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded
{code}
on AMS with collector HTTPS enabled



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