<div dir="ltr"><div><div><div>Hi, Gabor<br><br></div>I have run it, seems like it stops at the HDFS side.<br><br>[2018-08-21T10:07:51.212015] Worker thread started; driver='d_hdfs#0'<br>[2018-08-21T10:07:51.212499] Running application hooks; hook='1'<br>[2018-08-21T10:07:51.212516] Running application hooks; hook='3'<br>[2018-08-21T10:07:51.212595] syslog-ng starting up; version='3.14.1'<br>[2018-08-21T10:07:51.214113] Opening hdfs;<br>[2018-08-21T10:08:01.215622] Opening hdfs;<br>[2018-08-21T10:08:11.216050] Opening hdfs;<br>[2018-08-21T10:08:21.226340] Opening hdfs;<br>[2018-08-21T10:08:31.236589] Opening hdfs;<br>[2018-08-21T10:08:41.240623] Opening hdfs;<br>[2018-08-21T10:08:51.250879] Opening hdfs;<br>[2018-08-21T10:09:01.261172] Opening hdfs;<br>[2018-08-21T10:09:11.271410] Opening hdfs;<br>[2018-08-21T10:09:21.281685] Opening hdfs;<br>[2018-08-21T10:09:31.290765] Opening hdfs;<br>[2018-08-21T10:09:41.301098] Opening hdfs;<br>[2018-08-21T10:09:51.311362] Opening hdfs;<br>[2018-08-21T10:10:01.321152] Opening hdfs;<br>[2018-08-21T10:10:11.321818] Opening hdfs;<br>[2018-08-21T10:10:21.330114] Opening hdfs;<br>[2018-08-21T10:10:31.340413] Opening hdfs;<br>[2018-08-21T10:10:41.350654] Opening hdfs;<br>[2018-08-21T10:10:51.354016] Opening hdfs;<br>[2018-08-21T10:11:01.364267] Opening hdfs;<br>[2018-08-21T10:11:11.374516] Opening hdfs;<br>[2018-08-21T10:11:21.384761] Opening hdfs;<br>[2018-08-21T10:11:31.395017] Opening hdfs;<br>[2018-08-21T10:11:41.402256] Opening hdfs;<br>[2018-08-21T10:11:51.404097] Opening hdfs;<br>^C[2018-08-21T10:11:59.672252] syslog-ng shutting down; version='3.14.1'<br>Exception in thread "" java.lang.NoClassDefFoundError: org/apache/hadoop/conf/Configuration<br> at org.syslog_ng.hdfs.HdfsDestination.open(HdfsDestination.java:92)<br> at org.syslog_ng.LogDestination.openProxy(LogDestination.java:65)<br>[2018-08-21T10:11:59.774895] Worker thread finished; driver='d_hdfs#0'<br>[2018-08-21T10:11:59.775384] Closing log transport fd; fd='13'<br>[2018-08-21T10:11:59.775508] Deinitialize hdfs destination;<br>[2018-08-21T10:11:59.776534] Java machine free;<br>[2018-08-21T10:11:59.778421] Running application hooks; hook='4'<br><br></div>Any idea what to be checked further?<br><br></div>Thank you.<br></div><br><div class="gmail_quote"><div dir="ltr">On Fri, Aug 17, 2018 at 4:45 PM Nagy, Gábor <<a href="mailto:gabor.nagy@oneidentity.com">gabor.nagy@oneidentity.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello!<div><br></div><div>In the statistics it can be seen that the log message is not sent to the HDFS server:<br></div><div><div>dropped='dst.java(d_hdfs#0 java_dst hdfs hdfs://x.x.x.x:25000 /user/syslog/$HOST-$DAY-$MONTH-$YEAR.log)=0'</div><div>processed='dst.java(d_hdfs#0 java_dst hdfs hdfs://x.x.x.x:25000 /user/syslog/$HOST-$DAY-$MONTH-$YEAR.log)=1'</div><div>queued='dst.java(d_hdfs#0 java_dst hdfs hdfs://x.x.x.x:25000 /user/syslog/$HOST-$DAY-$MONTH-$YEAR.log)=1'</div></div><div><br></div><div>Well, generally on write error there should be an exception that results in an error message.</div><div><br></div><div>You should try debugging it either in running syslog-ng in foreground (-F option), forwarding internal logs to stderr (-e) and with debug mode (-dv) on.<br>Or in service mode use the internal() source in your config and connect it to a destination (e.g. file()) which you prefer.</div><div><br></div><div>You could turn on debug messages on java side too using jvm_options() in syslog-ng config and configuring the log4j logging service, e.g.:<br><div>options {</div><div> jvm_options("-Dlog4j.configuration=file:/etc/hadoop/log4j.properties -Dlog4j.debug=true");</div><div>};</div></div><div><br></div><div>Regards,</div><div>Gabor</div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, Aug 17, 2018 at 10:34 AM Czanik, Péter <<a href="mailto:peter.czanik@balabit.com" target="_blank">peter.czanik@balabit.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Hi,</div><div><br></div><div>As <a href="https://copr.fedorainfracloud.org/coprs/czanik/syslog-ng314/" target="_blank">https://copr.fedorainfracloud.org/coprs/czanik/syslog-ng314/</a> also writes: "Java is enabled, but JAR dependencies are not provided in package, except for Elasticsearch http mode." The syslog-ng-java-deps.noarch contains build time dependencies. Probably I should rename the package to syslog-ng-java-build-deps...</div><div><br></div><div>Check the documentation at <a href="https://www.syslog-ng.com/technical-documents/doc/syslog-ng-open-source-edition/3.16/administration-guide/33#TOPIC-956506" target="_blank">https://www.syslog-ng.com/technical-documents/doc/syslog-ng-open-source-edition/3.16/administration-guide/33#TOPIC-956506</a> on how to download and configure HDFS related JAR dependencies.</div><div><br></div><div>Bye,<br></div></div><div class="gmail_extra"><br clear="all"><div><div class="m_-4468223703778826464m_9221686417707055935gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>Peter Czanik (CzP) <<a href="mailto:peter.czanik@balabit.com" target="_blank">peter.czanik@balabit.com</a>><br>Balabit / syslog-ng upstream<br><a href="https://syslog-ng.com/community/" target="_blank">https://syslog-ng.com/community/</a><br><a href="https://twitter.com/PCzanik" target="_blank">https://twitter.com/PCzanik</a></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Fri, Aug 17, 2018 at 10:22 AM, Lee Keng Ket <span dir="ltr"><<a href="mailto:kengket@gmail.com" target="_blank">kengket@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>Hi,<br><br></div>I'm trying to connect syslog-ng 3.14.1 to HDFS to store the syslog messages. The syslog-ng can start without error, and it's able to write into local file. However, the log is not written to the HDFS. As there is no single error, I'm not sure how I should troubleshoot on this.<br><br></div><div>I have installed the syslog-ng from this repo, <a href="https://copr.fedorainfracloud.org/coprs/czanik/syslog-ng314/repo/epel-7/czanik-syslog-ng314-epel-7.repo" target="_blank">https://copr.fedorainfracloud.org/coprs/czanik/syslog-ng314/repo/epel-7/czanik-syslog-ng314-epel-7.repo</a><br><br>Installed Packages<br>syslog-ng.x86_64 3.14.1-4.el7.centos @czanik-syslog-ng314<br>syslog-ng-java.x86_64 3.14.1-4.el7.centos @czanik-syslog-ng314<br>syslog-ng-java-deps.noarch 1.0-2 @czanik-syslog-ng314<br></div><div><br></div>This is the message from /var/log/message:<br>Log statistics; processed='src.internal(s_sys#0)=1', stamp='src.internal(s_sys#0)=1534491834', processed='destination(d_spol)=0', processed='destination(d_mlal)=0', processed='center(received)=2', processed='destination(d_mesg)=1', processed='destination(d_mail)=0', processed='destination(d_auth)=0', processed='destination(d_cron)=0', processed='destination(d_hdfs)=1', processed='center(queued)=3', queued='global(scratch_buffers_count)=0', processed='source(remote_log)=1', dropped='dst.java(d_hdfs#0,java_dst,hdfs,hdfs://x.x.x.x:25000,/user/syslog/$HOST-$DAY-$MONTH-$YEAR.log)=0', processed='dst.java(d_hdfs#0,java_dst,hdfs,hdfs://x.x.x.x:25000,/user/syslog/$HOST-$DAY-$MONTH-$YEAR.log)=1', queued='dst.java(d_hdfs#0,java_dst,hdfs,hdfs://x.x.x.x:25000,/user/syslog/$HOST-$DAY-$MONTH-$YEAR.log)=1', processed='global(payload_reallocs)=0', processed='src.journald(journal)=0', stamp='src.journald(journal)=0', processed='global(sdata_updates)=0', queued='global(scratch_buffers_bytes)=0', processed='destination(d_boot)=0', processed='destination(d_kern)=0', processed='source(s_sys)=1', processed='destination(remote)=1', processed='global(internal_queue_length)=0', processed='global(msg_clones)=0'<br><br></div>Anyone has any idea how should I proceed the troubleshooting?<br></div>
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