[syslog-ng] Cannot send Syslog-ng to Elasticsearch

Allen Olivas allen.olivas at infodefense.com
Mon Jul 8 21:22:51 UTC 2019


Recently I've tried following along with the Syslog-NG to Elasticsearch and Kibana blog posts and Admin Documentation for integrating Syslog-NG into Elasticsearch but I'm unable to integrate the two.

I see in the .conf files the destination calls for creating and Index Pattern for Syslog-NG but when I curl the existing indices I do not see syslog-ng.

Also, I'm now receiving two errors. The first I'm fairly certain we need to resolve but I've not been able to find adequate documentation on how to identify the issue let along resolve it, and the second I'm not sure if we actually need to fix.

The two issues:

Issue#1: I/O error occurred
syslog-ng[26432]: Syslog connection established; fd='12', server='AF_INET(', local='AF_INET('
syslog-ng[26432]: I/O error occurred while writing; fd='12', error='Broken pipe (32)'
syslog-ng[26432]: Syslog connection broken; fd='12', server='AF_INET(', time_reopen='60'

Issue#2: Error opening plugin module; module='mod-java', error='libjvm.so: cannot open shared object file: No such file or directory'

For issue 1 I'm not sure what to do or how to resolve it. For issue 2, I know for certain libjvm does exist, and I've mapped the LD_LIBRARY_PATH to the directory libjvm.so resides in.

Ultimately, are these two issues preventing Syslog-NG from sending to Elasticsearch or are they just separate issues to tackle after I get things cleared up, and most importantly if they're not related, how do I integrate Syslog-NG with Elasticsearch and Kibana. Documentation is not helpful and not concise.

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