Hi team, Can someone please help me with parsing the below tomcat log (contains multiple lines) ? **tomcat log snippet: ** 19-Aug-2020 12:39:51.412 INFO [Catalina-utility-2] org.apache.catalina.startup.HostConfig.undeploy Undeploying context [/front] 19-Aug-2020 12:40:31.462 INFO [Catalina-utility-2] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [D:\Tomcat\webapps\front] 19-Aug-2020 12:40:32.813 SEVERE [Catalina-utility-2] org.apache.catalina.startup.HostConfig.deployDirectory Error deploying web application directory [D:\Tomcat\webapps\front] java.lang.IllegalStateException: Error starting child at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:720) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1133) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1866) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) I am trying to use the same example (url below) from nxlog official guide, but didn't help. https://nxlog.co/documentation/nxlog-user-guide/apache-tomcat.html **Please see my conf file content below: ** define REGEX /(?x)^(?\d{2}\-\d{3}\-\d{4}\ \d{2}\:\d{2}\:\d{2}).\d{3}\ \ (?\S+)\ \[(?\S+)\]\ \(?[\s\S]+)/ Module xm_multiline HeaderLine %REGEX% Module im_file File 'D:\Tomcat\logs\catalina.*.log' SavePos TRUE InputType multiline Exec if $raw_event =~ %REGEX% $EventTime = parsedate($EventTime); log_info($raw_event); log_info($Message); Exec $Message = 'TOMCAT_Catalina ' + $raw_event ; $SyslogFacilityValue = 1; $SyslogSeverityValue=5; **And getting below errors: ** 2020-11-13 14:25:54 ERROR failed to compile regular expression '(?x)^(?\d{2}\-\d{3}\-\d{4}\ \d{2}\:\d{2}\:\d{2}).\d{3}\ (?\S+)\ \[(?\S+)\]\ \(?[\s\S]+)', error at position 136: unmatched parentheses 2020-11-13 14:25:54 ERROR invalid expression in 'HeaderLine' at C:\Program Files (x86)\nxlog\conf\custom\\tomcatCatalina.conf:7 2020-11-13 14:25:54 ERROR Invalid InputType 'multiline' at C:\Program Files (x86)\nxlog\conf\custom\\tomcatCatalina.conf:19 2020-11-13 14:25:54 ERROR module 'tomcat_catalina_log' has configuration errors, not adding to route '4' at C:\Program Files (x86)\nxlog\conf\custom\\tomcatCatalina.conf:53 2020-11-13 14:25:54 ERROR route 4 is not functional without input modules, ignored at C:\Program Files (x86)\nxlog\conf\custom\\tomcatCatalina.conf:53 Please help. Thanks in advance!