Decided to run nxlog solo with the correct information and still get the 
same problem:


2016-06-23T12:58:18.248-04:00 ERROR [GelfCodec] Could not parse JSON, first 
400 characters: `�)�V���C�
                                                                                
                      
�a?�n
�n�r��埯o����}ۍvdY>_"~g��rgИ:�
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('`' 
(code 96)): expected a valid value (number, String, array, object, 'true', 
'false' or 'null')
 at [Source: `�)�V���C�
                       �a?�n
�n�r��埯o����}ۍvdY>_"~g��rgИ:�; line: 1, column: 2]
        at 
com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1581) 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:533)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:462)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1624)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:689)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3771)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3716)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2272) 
~[graylog.jar:?]
        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:115) 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:136)
 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:82)
 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:58)
 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:35)
 
[graylog.jar:?]
        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:139) 
[graylog.jar:?]
        at 
com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable.run(InstrumentedThreadFactory.java:66)
 
[graylog.jar:?]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_73]
2016-06-23T12:58:18.253-04:00 ERROR [DecodingProcessor] Unable to decode 
raw message af0450e2-3963-11e6-ae65-005056937893 (journal offset 84466333) 
encoded as gelf received from /10.100.150.89:34338.



Then took HAProxy out of the picture and pushed to one of the servers 
directly and STILL get the same problem: 


2016-06-23T13:01:41.359-04:00 ERROR [GelfCodec] Could not parse JSON, first 
400 characters: �p]3
        b�Q��F!��0�и
i�D��
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('�' 
(code 65533 / 0xfffd)): expected a valid value (number, String, array, 
object, 'true', 'false' or 'null')
 at [Source: �p]3
        b�Q��F!��0�и
i�D��; line: 1, column: 2]
        at 
com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1581) 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:533)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:462)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1624)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:689)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3771)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3716)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2272) 
~[graylog.jar:?]
        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:115) 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:136)
 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:82)
 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:58)
 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:35)
 
[graylog.jar:?]
        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:139) 
[graylog.jar:?]
        at 
com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable.run(InstrumentedThreadFactory.java:66)
 
[graylog.jar:?]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_73]
2016-06-23T13:01:41.359-04:00 ERROR [DecodingProcessor] Unable to decode 
raw message 2808ffa4-3964-11e6-ae65-005056937893 (journal offset 84512788) 
encoded as gelf received from /10.100.1.10:50911.


Last, ran it again a server built from scratch with graylog-server-2.0.3-1 
and still have the same issue.

2016-06-23T13:09:01.840-04:00 ERROR [GelfCodec] Could not parse JSON, first 
400 characters: �$��D�Q�ݑ�/[�m��.   
umv�6Ӭ�����5>btt��h�Rx��S]o�0�+V�Z�AvBȞ���
�����y��)歷�1ń��x�֌����W-�\�{0V�&��a�]��Nm�
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('�' 
(code 65533 / 0xfffd)): expected a valid value (number, String, array, 
object, 'true', 'false' or 'null')
 at [Source: �$��D�Q�ݑ�/[�m��.  umv�6Ӭ�����5>btt��h�Rx��S]o�0�+V�Z�AvBȞ���
�����y��)歷�1ń��x�֌����W-; line: 1, column: 2]
        at 
com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1581) 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:533)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:462)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1624)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:689)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3771)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3716)
 
~[graylog.jar:?]
        at 
com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2272) 
~[graylog.jar:?]
        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:115) 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:136)
 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:82)
 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:58)
 
[graylog.jar:?]
        at 
org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:35)
 
[graylog.jar:?]
        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:139) 
[graylog.jar:?]
        at 
com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable.run(InstrumentedThreadFactory.java:66)
 
[graylog.jar:?]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_73]
2016-06-23T13:09:01.857-04:00 ERROR [DecodingProcessor] Unable to decode 
raw message 2e97f704-3965-11e6-b0e7-005056930c85 (journal offset 78064) 
encoded as gelf received from /10.100.1.10:61360.



A problem with NXLog or Graylog 2.0.3-1?  This issue did not exist before 
the upgrade and the only change is the upgrade. Not sure what is happening 
here?



Thanks - Shon


On Thursday, June 23, 2016 at 11:08:39 AM UTC-4, Shon Nixon wrote:

> All my NXlog files look like:
>
>
> define ROOT C:\Program Files (x86)\nxlog
>
> <Extension gelf>
>
> Module xm_gelf
>
> </Extension>
>
> define ROOT C:\Program Files (x86)\nxlog
>
> Moduledir %ROOT%\modules 
>
> CacheDir %ROOT%\data 
>
> Pidfile %ROOT%\data\nxlog.pid 
>
> SpoolDir %ROOT%\data 
>
> LogFile %ROOT%\data\nxlog.log 
>
> <Extension gelf> 
>
> Module xm_gelf 
>
> </Extension> 
>
> <Input in> 
>
> Module im_msvistalog 
>
> </Input> 
>
> <Output out> 
>
> Module om_tcp
>
> Host  <host ip address>
>
> Port 12201
>
> OutputType GELF 
>
> </Output>
>
> <Route r> 
>
> Path in => out
>
> </Route>
>
>
>
> All I did was perform the upgrade of Graylog, nothing more. I always check 
> log files to make sure the new upgrade took and that's when this started 
> happening--immediately.
>
>
>
>
> Thanks - Shon
>
>
>
> On Thursday, June 23, 2016 at 11:05:56 AM UTC-4, Shon Nixon wrote:
>
>> It would appear that Graylog is adding additional lines in the NXlog 
>> file. My snippet is:
>>
>> define ROOT C:\Program Files (x86)\nxlog
>> Moduledir %ROOT%\modules 
>> CacheDir %ROOT%\data 
>> Pidfile %ROOT%\data\nxlog.pid 
>> SpoolDir %ROOT%\data 
>> LogFile %ROOT%\data\nxlog.log 
>>
>> <Extension gelf> 
>>  Module xm_gelf 
>> </Extension> 
>>
>> <Input in> 
>>  Module im_msvistalog 
>> </Input> 
>>
>> <Output out> 
>>  Module om_tcp
>>  Host  10.100.150.89
>>  Port  12201
>>  OutputType GELF 
>> </Output>
>>
>> <Route r> 
>>  Path  in => out
>> </Route>
>>
>>
>> Graylog is adding:
>>
>> define ROOT C:\Program Files (x86)\nxlog
>>
>> <Extension gelf>
>>
>> Module xm_gelf
>>
>> </Extension>
>>
>>
>> to the top of every Nxlog file.
>>
>>
>> Many Thanks - Shon
>>
>>
>>
>> On Thursday, June 23, 2016 at 6:05:55 AM UTC-4, Marius Sturm wrote:
>>
>>> Hi,
>>> looks like your receiving some binary data on a plain text Gelf input. 
>>> Did you switch to TLS encryption or soemthing like that after the update? 
>>> Could you please post the generated configuration of NXlog?
>>>
>>> Cheers,
>>> Marius
>>>
>>> On Wednesday, 22 June 2016 16:27:41 UTC+2, Shon Nixon wrote:
>>>>
>>>> Built a Graylog 2.0 cluster two weeks ago with three servers running 
>>>> 2.0.2 behind a HAProxy server. Server accepts logs from all Windows boxes 
>>>> using Graylog Sidecar and Nxlog. Was working perfectly until I upgraded 
>>>> the 
>>>> server to 2.0.3 (yum upgrade). Restarted the services and now I get a 
>>>> constant flow of the log info below. Also can no longer access 
>>>> *System/Inputs 
>>>> -> Configurations* page. Just shows blank. I do have another two box 
>>>> cluster I built yesterday that started with 2.0.3 and has no issues at all 
>>>> getting data from the HAProxy box. I would rather not rebuild this cluster 
>>>> if possible...
>>>>
>>>>
>>>> Reoccurring logging on all three boxes:
>>>>
>>>>
>>>> 2016-06-22T10:15:13.732-04:00 ERROR [GelfCodec] Could not parse JSON, 
>>>> first 400 characters: ���vb�      ����wxz�Tv��<�Q���u]?�I�        �z��
>>>> com.fasterxml.jackson.core.JsonParseException: Unexpected character 
>>>> ('�' (code 65533 / 0xfffd)): expected a valid value (number, String, 
>>>> array, 
>>>> object, 'true', 'false' or 'null')
>>>>  at [Source: ���vb�   ����wxz�Tv��<�Q���u]?�I�  �z��; line: 1, column: 
>>>> 2]
>>>>         at 
>>>> com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1581)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:533)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:462)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1624)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:689)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3771)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3716)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2272)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:115) 
>>>> [graylog.jar:?]
>>>>         at 
>>>> org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:136)
>>>>  
>>>> [graylog.jar:?]
>>>>         at 
>>>> org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:82)
>>>>  
>>>> [graylog.jar:?]
>>>>         at 
>>>> org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:58)
>>>>  
>>>> [graylog.jar:?]
>>>>         at 
>>>> org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:35)
>>>>  
>>>> [graylog.jar:?]
>>>>         at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:139) 
>>>> [graylog.jar:?]
>>>>         at 
>>>> com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable.run(InstrumentedThreadFactory.java:66)
>>>>  
>>>> [graylog.jar:?]
>>>>         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_73]
>>>> 2016-06-22T10:15:13.732-04:00 ERROR [DecodingProcessor] Unable to 
>>>> decode raw message bc89d68a-3883-11e6-a89e-005056934db8 (journal offset 
>>>> 56420554) encoded as gelf received from /10.100.150.89:41076.
>>>> 2016-06-22T10:15:13.732-04:00 ERROR [DecodingProcessor] Error 
>>>> processing message RawMessage{id=bc89d68a-3883-11e6-a89e-005056934db8, 
>>>> journalOffset=56420554, codec=gelf, payloadSize=41, 
>>>> timestamp=2016-06-22T14:15:13.640Z, remoteAddress=/10.100.150.89:41076}
>>>> com.fasterxml.jackson.core.JsonParseException: Unexpected character 
>>>> ('�' (code 65533 / 0xfffd)): expected a valid value (number, String, 
>>>> array, 
>>>> object, 'true', 'false' or 'null')
>>>>  at [Source: ���vb�   ����wxz�Tv��<�Q���u]?�I�  �z��; line: 1, column: 
>>>> 2]
>>>>         at 
>>>> com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1581)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:533)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:462)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1624)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:689)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3771)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3716)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2272)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:115) 
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:136)
>>>>  
>>>> ~[graylog.jar:?]
>>>>         at 
>>>> org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:82)
>>>>  
>>>> [graylog.jar:?]
>>>>         at 
>>>> org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:58)
>>>>  
>>>> [graylog.jar:?]
>>>>         at 
>>>> org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:35)
>>>>  
>>>> [graylog.jar:?]
>>>>         at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:139) 
>>>> [graylog.jar:?]
>>>>         at 
>>>> com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable.run(InstrumentedThreadFactory.java:66)
>>>>  
>>>> [graylog.jar:?]
>>>>         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_73]
>>>>
>>>

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