############# I really apriciate your quick responses.. please tell us the
valid grok patterns for such kind of log ####################
# this is my parser configuration
{
"parserClassName": "org.apache.metron.parsers.GrokParser",
"sensorTopic": "linuxsyslog",
"parserConfig": {
"grokPath": "/apps/metron/patterns/linuxsyslog",
"patternLabel": "SYSLOGBASE2",
"timestampField": "timestamp"
},
"fieldTransformations" : [
{
"transformation" : "STELLAR"
,"output" : [ "full_hostname", "domain_without_subdomains" ]
,"config" : {
"full_hostname" : "URL_TO_HOST(url)"
,"domain_without_subdomains" :
"DOMAIN_REMOVE_SUBDOMAINS(full_hostname)"
}
}
]
}
# this is my grok pattern
(?:%{SYSLOGTIMESTAMP:timestamp}|%{TIMESTAMP_ISO8601:timestamp8601})
(?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} %{SYSLOGPROG}
#this is the sample log that couse cause error
Feb 16 08:00:23 myhostname NetworkManager[1686]: <info> [1581858023.4306]
dhcp4 (eth0): address xxx.xxx.xxx.xxx
Feb 16 08:00:23 myhostname dhclient[1710]: DHCPREQUEST on eth0 to
xxx.xxx.xxx.xxx port 67 (xid=0x170e0b99)
#this is the error message found in kibana
Syntax error @ 1:0 no viable alternative at input 'F'
# detail error found in kibana shows as follow
com.github.palindromicity.syslog.dsl.ParseException: Syntax error @ 1:0 no
viable alternative at input 'F'
at
com.github.palindromicity.syslog.dsl.DefaultErrorListener.syntaxError(DefaultErrorListener.java:33)
at
org.antlr.v4.runtime.ProxyErrorListener.syntaxError(ProxyErrorListener.java:65)
at org.antlr.v4.runtime.Parser.notifyErrorListeners(Parser.java:558)
at
org.antlr.v4.runtime.DefaultErrorStrategy.reportNoViableAlternative(DefaultErrorStrategy.java:310)
at
org.antlr.v4.runtime.DefaultErrorStrategy.reportError(DefaultErrorStrategy.java:147)
at
com.github.palindromicity.syslog.dsl.generated.Rfc5424Parser.header(Rfc5424Parser.java:412)
at
com.github.palindromicity.syslog.dsl.generated.Rfc5424Parser.syslog_msg(Rfc5424Parser.java:273)
at
com.github.palindromicity.syslog.Rfc5424SyslogParser.parseLine(Rfc5424SyslogParser.java:66)
at
com.github.palindromicity.syslog.AbstractSyslogParser.lambda$parseLines$0(AbstractSyslogParser.java:144)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at
com.github.palindromicity.syslog.AbstractSyslogParser.parseLines(AbstractSyslogParser.java:142)
at
org.apache.metron.parsers.syslog.BaseSyslogParser.parseOptionalResult(BaseSyslogParser.java:116)
at
org.apache.metron.parsers.ParserRunnerImpl.execute(ParserRunnerImpl.java:144)
at
org.apache.metron.parsers.bolt.ParserBolt.execute(ParserBolt.java:257)
at
org.apache.storm.daemon.executor$fn__10195$tuple_action_fn__10197.invoke(executor.clj:735)
at
org.apache.storm.daemon.executor$mk_task_receiver$fn__10114.invoke(executor.clj:466)
at
org.apache.storm.disruptor$clojure_handler$reify__4137.onEvent(disruptor.clj:40)
at
org.apache.storm.utils.DisruptorQueue.consumeBatchToCursor(DisruptorQueue.java:472)
at
org.apache.storm.utils.DisruptorQueue.consumeBatchWhenAvailable(DisruptorQueue.java:451)
at
org.apache.storm.disruptor$consume_batch_when_available.invoke(disruptor.clj:73)
at
org.apache.storm.daemon.executor$fn__10195$fn__10208$fn__10263.invoke(executor.clj:855)
at org.apache.storm.util$async_loop$fn__1221.invoke(util.clj:484)
at clojure.lang.AFn.run(AFn.java:22)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.antlr.v4.runtime.NoViableAltException
at
org.antlr.v4.runtime.atn.ParserATNSimulator.noViableAlt(ParserATNSimulator.java:1894)
at
org.antlr.v4.runtime.atn.ParserATNSimulator.execATN(ParserATNSimulator.java:498)
at
org.antlr.v4.runtime.atn.ParserATNSimulator.adaptivePredict(ParserATNSimulator.java:424)
at
com.github.palindromicity.syslog.dsl.generated.Rfc5424Parser.header(Rfc5424Parser.java:373)
... 18 more
On 2020/02/24 19:31:36, Michael Miklavcic <[email protected]> wrote:
> That's how we route errors. Looks like the syslog parser had trouble with
> one of your syslog messages
>
> On Mon, Feb 24, 2020, 5:41 AM updates on tube <[email protected]>
> wrote:
>
> > i get such error on kibana dashboard no error in storm
> > com.github.palindromicity.syslog.dsl.ParseException: Syntax error @ 1:0 no
> > viable alternative at input 'F'
> > at
> > com.github.palindromicity.syslog.dsl.DefaultErrorListener.syntaxError(DefaultErrorListener.java:33)
> > at
> > org.antlr.v4.runtime.ProxyErrorListener.syntaxError(ProxyErrorListener.java:65)
> > at
> > org.antlr.v4.runtime.Parser.notifyErrorListeners(Parser.java:558)
> > at
> > org.antlr.v4.runtime.DefaultErrorStrategy.reportNoViableAlternative(DefaultErrorStrategy.java:310)
> > at
> > org.antlr.v4.runtime.DefaultErrorStrategy.reportError(DefaultErrorStrategy.java:147)
> > at
> > com.github.palindromicity.syslog.dsl.generated.Rfc5424Parser.header(Rfc5424Parser.java:412)
> > at
> > com.github.palindromicity.syslog.dsl.generated.Rfc5424Parser.syslog_msg(Rfc5424Parser.java:273)
> > at
> > com.github.palindromicity.syslog.Rfc5424SyslogParser.parseLine(Rfc5424SyslogParser.java:66)
> > at
> > com.github.palindromicity.syslog.AbstractSyslogParser.lambda$parseLines$0(AbstractSyslogParser.java:144)
> > at java.util.ArrayList.forEach(ArrayList.java:1249)
> > at
> > com.github.palindromicity.syslog.AbstractSyslogParser.parseLines(AbstractSyslogParser.java:142)
> > at
> > org.apache.metron.parsers.syslog.BaseSyslogParser.parseOptionalResult(BaseSyslogParser.java:116)
> > at
> > org.apache.metron.parsers.ParserRunnerImpl.execute(ParserRunnerImpl.java:144)
> > at
> > org.apache.metron.parsers.bolt.ParserBolt.execute(ParserBolt.java:257)
> > at
> > org.apache.storm.daemon.executor$fn__10195$tuple_action_fn__10197.invoke(executor.clj:735)
> > at
> > org.apache.storm.daemon.executor$mk_task_receiver$fn__10114.invoke(executor.clj:466)
> > at
> > org.apache.storm.disruptor$clojure_handler$reify__4137.onEvent(disruptor.clj:40)
> > at
> > org.apache.storm.utils.DisruptorQueue.consumeBatchToCursor(DisruptorQueue.java:472)
> > at
> > org.apache.storm.utils.DisruptorQueue.consumeBatchWhenAvailable(DisruptorQueue.java:451)
> > at
> > org.apache.storm.disruptor$consume_batch_when_available.invoke(disruptor.clj:73)
> > at
> > org.apache.storm.daemon.executor$fn__10195$fn__10208$fn__10263.invoke(executor.clj:855)
> > at org.apache.storm.util$async_loop$fn__1221.invoke(util.clj:484)
> > at clojure.lang.AFn.run(AFn.java:22)
> > at java.lang.Thread.run(Thread.java:745)
> > Caused by: org.antlr.v4.runtime.NoViableAltException
> > at
> > org.antlr.v4.runtime.atn.ParserATNSimulator.noViableAlt(ParserATNSimulator.java:1894)
> > at
> > org.antlr.v4.runtime.atn.ParserATNSimulator.execATN(ParserATNSimulator.java:498)
> > at
> > org.antlr.v4.runtime.atn.ParserATNSimulator.adaptivePredict(ParserATNSimulator.java:424)
> > at
> > com.github.palindromicity.syslog.dsl.generated.Rfc5424Parser.header(Rfc5424Parser.java:373)
> > ... 18 more
> >
> >
> >
> >
>
