{"action":"created","issue":{"url":"https://api.github.com/repos/Graylog2/graylog2-server/issues/984","labels_url":"https://api.github.com/repos/Graylog2/graylog2-server/issues/984/labels{/name}","comments_url":"https://api.github.com/repos/Graylog2/graylog2-server/issues/984/comments","events_url":"https://api.github.com/repos/Graylog2/graylog2-server/issues/984/events","html_url":"https://github.com/Graylog2/graylog2-server/issues/984","id":58355997,"number":984,"title":"[ProcessBuffer] Unable to process event MessageEvent{raw=null, message=null}, sequence 6104949 java.lang.IllegalStateException: Failed to decompress the GELF message payload","user":{"login":"andreaconsadori","id":1265395,"avatar_url":"https://avatars.githubusercontent.com/u/1265395?v=3","gravatar_id":"","url":"https://api.github.com/users/andreaconsadori","html_url":"https://github.com/andreaconsadori","followers_url":"https://api.github.com/users/andreaconsadori/followers","following_url":"https://api.github.com/users/andreaconsadori/following{/other_user}","gists_url":"https://api.github.com/users/andreaconsadori/gists{/gist_id}","starred_url":"https://api.github.com/users/andreaconsadori/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andreaconsadori/subscriptions","organizations_url":"https://api.github.com/users/andreaconsadori/orgs","repos_url":"https://api.github.com/users/andreaconsadori/repos","events_url":"https://api.github.com/users/andreaconsadori/events{/privacy}","received_events_url":"https://api.github.com/users/andreaconsadori/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":8,"created_at":"2015-02-20T13:57:01Z","updated_at":"2015-03-31T12:49:23Z","closed_at":null,"body":"```\r\n2015-02-20 14:55:10,866 ERROR: org.graylog2.inputs.codecs.GelfCodec - Could not parse JSON!\r\ncom.fasterxml.jackson.core.JsonParseException: Unexpected character ('�' (code 65533 / 0xfffd)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')\r\n at [Source: �D��I�ë���o�#B��@-��^E64L��%�V?�V��dx��T�r�0~��8c˲c�&��S�d�#�M���\r\n�l(\r\n   �ÙW��X9?m9��C<�~�o�]}\r\n                        0V�� �D�����F�ؠ\r\n\r\n                                       �$y2͢(JDg�p9�v��=Н��b������˪�+ B���˶'��D�������bJ�%»`ojX��s�R�A�[~P���6���=C8�▒▒�y�7Հ��UC���\"E��0�<E!�Yz1\r\n                                                                                                                                               ���\"Jx>O��w���ki�2�H��z_c��=�j�Ū�>�        J��4�S~�^����l���րl�9�So��J����N���s�`��7c�l��b}6���>�-�N~%@c�f�ڂ��b�0Ӑ�a�&<M�\"�äȲi�s�ˋ�����$L�$�p��\r\n����vR�#�r�����C��q�/�%�vʷ��AHβR�@\r\nЬ�Hţ8\r\n#�ŢL�R��Y�W���Iw���ܪ��젬�-z�o�:2_�������Z��[4�ʝ�|���k�c�~0�pȚs�q�1▒▒�T��h��d{��Pn����o��A�orXV��)�; line: 1, column: 2]\r\n        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1486)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1462)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:683)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3600)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3545)\r\n        at com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2134)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:114)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:122)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:80)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:56)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:33)\r\n        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:138)\r\n        at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)\r\n        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)\r\n        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)\r\n        at java.lang.Thread.run(Thread.java:745)\r\n2015-02-20 14:55:10,865 ERROR: org.graylog2.inputs.codecs.GelfCodec - Could not parse JSON!\r\ncom.fasterxml.jackson.core.JsonParseException: Unexpected character ('�' (code 65533 / 0xfffd)): Expected space separating root-level values\r\n at [Source: 8���wW�&��2������!��R��3ĢR�����D9Yk���#����]�8i.�Y~m��h▒���*�kDe�T\r\n1o]�֠�B�t��}�2}rɺDQ��2��b; line: 1, column: 3]\r\n        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1486)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportMissingRootWS(ParserMinimalBase.java:463)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._verifyRootSpace(ReaderBasedJsonParser.java:1236)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._parsePosNumber(ReaderBasedJsonParser.java:886)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:680)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3600)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3545)\r\n        at com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2134)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:114)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:122)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:80)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:56)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:33)\r\n        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:138)\r\n        at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)\r\n        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)\r\n        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)\r\n        at java.lang.Thread.run(Thread.java:745)\r\n2015-02-20 14:55:10,868 WARN : org.graylog2.shared.buffers.ProcessBuffer - Unable to process event MessageEvent{raw=null, message=null}, sequence 8503\r\njava.lang.IllegalStateException: JSON is null/could not be parsed (invalid JSON)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:117)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:122)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:80)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:56)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:33)\r\n        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:138)\r\n        at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)\r\n        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)\r\n        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)\r\n        at java.lang.Thread.run(Thread.java:745)\r\nCaused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('�' (code 65533 / 0xfffd)): Expected space separating root-level values\r\n at [Source: 8���wW�&��2������!��R��3ĢR�����D9Yk���#����]�8i.�Y~m��h▒���*�kDe�T\r\n1o]�֠�B�t��}�2}rɺDQ��2��b; line: 1, column: 3]\r\n        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1486)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportMissingRootWS(ParserMinimalBase.java:463)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._verifyRootSpace(ReaderBasedJsonParser.java:1236)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._parsePosNumber(ReaderBasedJsonParser.java:886)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:680)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3600)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3545)\r\n        at com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2134)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:114)\r\n        ... 9 more\r\n2015-02-20 14:55:10,868 WARN : org.graylog2.shared.buffers.ProcessBuffer - Unable to process event MessageEvent{raw=null, message=null}, sequence 8504\r\njava.lang.IllegalStateException: JSON is null/could not be parsed (invalid JSON)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:117)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:122)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:80)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:56)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:33)\r\n        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:138)\r\n        at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)\r\n        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)\r\n        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)\r\n        at java.lang.Thread.run(Thread.java:745)\r\nCaused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('�' (code 65533 / 0xfffd)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')\r\n at [Source: �D��I�ë���o�#B��@-��^E64L��%�V?�V��dx��T�r�0~��8c˲c�&��S�d�#�M���\r\n�l(\r\n   �ÙW��X9?m9��C<�~�o�]}\r\n                        0V�� �D�����F�ؠ\r\n\r\n                                       �$y2͢(JDg�p9�v��=Н��b������˪�+ B���˶'��D�������bJ�%»`ojX��s�R�A�[~P���6���=C8�▒▒�y�7Հ��UC���\"E��0�<E!�Yz1\r\n                                                                                                                                               ���\"Jx>O��w���ki�2�H��z_c��=�j�Ū�>�        J��4�S~�^����l���րl�9�So��J����N���s�`��7c�l��b}6���>�-�N~%@c�f�ڂ��b�0Ӑ�a�&<M�\"�äȲi�s�ˋ�����$L�$�p��\r\n����vR�#�r�����C��q�/�%�vʷ��AHβR�@\r\nЬ�Hţ8\r\n#�ŢL�R��Y�W���Iw���ܪ��젬�-z�o�:2_�������Z��[4�ʝ�|���k�c�~0�pȚs�q�1▒▒�T��h��d{��Pn����o��A�orXV��)�; line: 1, column: 2]\r\n        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1486)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1462)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:683)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3600)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3545)\r\n        at com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2134)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:114)\r\n        ... 9 more\r\n2015-02-20 14:55:10,867 ERROR: org.graylog2.inputs.codecs.GelfCodec - Could not parse JSON!\r\ncom.fasterxml.jackson.core.JsonParseException: Unexpected character ('�' (code 65533 / 0xfffd)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')\r\n at [Source: �]3�z�=ZZ�C;o�Dx\r\n�FI�Z6�t�Cqv�*~t�����kE��3�%�A)F�J�F��}��LHxG�L�v{z*BD�ҳ���h�i۷�V������; line: 1, column: 2]\r\n        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1486)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1462)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:683)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3600)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3545)\r\n        at com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2134)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:114)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:122)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:80)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:56)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:33)\r\n        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:138)\r\n        at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)\r\n        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)\r\n        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)\r\n        at java.lang.Thread.run(Thread.java:745)\r\n2015-02-20 14:55:10,868 WARN : org.graylog2.shared.buffers.ProcessBuffer - Unable to process event MessageEvent{raw=null, message=null}, sequence 8506\r\njava.lang.IllegalStateException: JSON is null/could not be parsed (invalid JSON)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:117)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:122)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:80)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:56)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:33)\r\n        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:138)\r\n        at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)\r\n        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)\r\n        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)\r\n        at java.lang.Thread.run(Thread.java:745)\r\nCaused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('�' (code 65533 / 0xfffd)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')\r\n at [Source: �]3�z�=ZZ�C;o�Dx\r\n�FI�Z6�t�Cqv�*~t�����kE��3�%�A)F�J�F��}��LHxG�L�v{z*BD�ҳ���h�i۷�V������; line: 1, column: 2]\r\n        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1486)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:518)\r\n        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:447)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue(ReaderBasedJsonParser.java:1462)\r\n        at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:683)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3600)\r\n        at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3545)\r\n        at com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2134)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:114)\r\n        ... 9 more\r\n^C\r\n```"},"comment":{"url":"https://api.github.com/repos/Graylog2/graylog2-server/issues/comments/88071555","html_url":"https://github.com/Graylog2/graylog2-server/issues/984#issuecomment-88071555","issue_url":"https://api.github.com/repos/Graylog2/graylog2-server/issues/984","id":88071555,"user":{"login":"andreaconsadori","id":1265395,"avatar_url":"https://avatars.githubusercontent.com/u/1265395?v=3","gravatar_id":"","url":"https://api.github.com/users/andreaconsadori","html_url":"https://github.com/andreaconsadori","followers_url":"https://api.github.com/users/andreaconsadori/followers","following_url":"https://api.github.com/users/andreaconsadori/following{/other_user}","gists_url":"https://api.github.com/users/andreaconsadori/gists{/gist_id}","starred_url":"https://api.github.com/users/andreaconsadori/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andreaconsadori/subscriptions","organizations_url":"https://api.github.com/users/andreaconsadori/orgs","repos_url":"https://api.github.com/users/andreaconsadori/repos","events_url":"https://api.github.com/users/andreaconsadori/events{/privacy}","received_events_url":"https://api.github.com/users/andreaconsadori/received_events","type":"User","site_admin":false},"created_at":"2015-03-31T12:49:23Z","updated_at":"2015-03-31T12:49:23Z","body":"i make several test and i found that with the same nxlog config if i use gelf_udp all works perfectly, if i use gelf_tcp (changing only Module om_udp to om_tcp) i start to have the problem.\r\n\r\n2015-03-31T14:30:14.366+02:00 WARN  [ProcessBuffer] Unable to process event \r\nMessageEvent{raw=null, message=null}, sequence 6104949\r\njava.lang.IllegalStateException: Failed to decompress the GELF message payload\r\n        at org.graylog2.inputs.codecs.gelf.GELFMessage.getJSON(GELFMessage.java:146)\r\n        at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:109)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:120)\r\n        at org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:79)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:56)\r\n        at org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:33)\r\n        at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:138)\r\n        at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)\r\n        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)\r\n        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)\r\n        at java.lang.Thread.run(Thread.java:745)\r\nCaused by: java.io.EOFException: Unexpected end of ZLIB input stream\r\n        at java.util.zip.InflaterInputStream.fill(InflaterInputStream.java:240)\r\n        at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:158)\r\n        at java.io.FilterInputStream.read(FilterInputStream.java:107)\r\n        at org.graylog2.plugin.Tools.decompressZlib(Tools.java:195)\r\n        at org.graylog2.inputs.codecs.gelf.GELFMessage.getJSON(GELFMessage.java:133)\r\n        ... 10 more\r\n\r\nit seems tobe this error ---> https://github.com/Graylog2/graylog2-server/issues/428"}}