I am facing an issue in Linux server that webserver service is restarting automatically frequently. I tried to enable debug logs by changing the all logging properties in tomcat-8.5.79/conf/logging.proprties. But I see only INFO logs but no FINE or FINER or FINEST logs.
*logging.properties* 1catalina.org.apache.juli.AsyncFileHandler.level = FINEST 1catalina.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs 1catalina.org.apache.juli.AsyncFileHandler.prefix = catalina. 1catalina.org.apache.juli.AsyncFileHandler.encoding = UTF-8 2localhost.org.apache.juli.AsyncFileHandler.level = FINEST 2localhost.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs 2localhost.org.apache.juli.AsyncFileHandler.prefix = localhost. 2localhost.org.apache.juli.AsyncFileHandler.encoding = UTF-8 3manager.org.apache.juli.AsyncFileHandler.level = FINEST 3manager.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs 3manager.org.apache.juli.AsyncFileHandler.prefix = manager. 3manager.org.apache.juli.AsyncFileHandler.encoding = UTF-8 4host-manager.org.apache.juli.AsyncFileHandler.level = FINEST 4host-manager.org.apache.juli.AsyncFileHandler.directory = ${catalina.base}/logs 4host-manager.org.apache.juli.AsyncFileHandler.prefix = host-manager. 4host-manager.org.apache.juli.AsyncFileHandler.encoding = UTF-8 java.util.logging.ConsoleHandler.level = FINE java.util.logging.ConsoleHandler.formatter = org.apache.juli.OneLineFormatter java.util.logging.ConsoleHandler.encoding = UTF-8 ############################################################ # Facility specific properties. # Provides extra control for each logger. ############################################################ org.apache.catalina.core.ContainerBase.[Catalina].[localhost].level = FINEST org.apache.catalina.core.ContainerBase.[Catalina].[localhost].handlers = 2localhost.org.apache.juli.AsyncFileHandler org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].level = FINEST org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].handlers = 3manager.org.apache.juli.AsyncFileHandler org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].level = FINEST org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].handlers = 4host-manager.org.apache.juli.AsyncFileHandler *catalina.out* # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00007fe638000368, pid=54728, tid=0x00007fe625309700 # # JRE version: Java(TM) SE Runtime Environment (8.0_333-b31) (build 1.8.0_333-b31) # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.333-b31 mixed mode linux-amd64 compressed oops) # Problematic frame: # C 0x00007fe638000368 # # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again # # An error report file with more information is saved as: # /tmp/hs_err_pid54728.log [thread 140626492360448 also had an error] [thread 140626582980352 also had an error][thread 140626573510400 also had an error][thread 140626420045568 also had an error][thread 140626442094336 also had an error] [thread 140626437883648 also had an error] [thread 140626548127488 also had an error][thread 140626414782208 also had an error][thread 140626567083776 also had an error] # # If you would like to submit a bug report, please visit: # http://bugreport.java.com/bugreport/crash.jsp # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. # Jun 01, 2023 9:49:00 AM org.apache.tomcat.util.digester.SetPropertiesRule begin WARNING: [SetPropertiesRule]{Server} Setting property 'command' to 'SHUTDOWN' did not find a matching property. Jun 01, 2023 9:49:00 AM org.apache.catalina.mbeans.AbcGlobalResourcesLifecycleListener INFO: AbcUserDatabaseMbean descriptor loaded Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Server version name: Apache Tomcat Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Server built: May 16 2022 15:36:23 UTC Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Server version number: 0.0.0.0 Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: OS Name: Linux Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: OS Version: 3.10.0-1160.80.1.el7.x86_64 Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Architecture: amd64 Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Java Home: /abc/sw/runtime/jdk1.8.0_333/jre Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: JVM Version: 1.8.0_333-b31 Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: JVM Vendor: Oracle Corporation Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: CATALINA_BASE: /abc/sw/runtime/apache-tomcat-8.5.79 Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: CATALINA_HOME: /abc/sw/runtime/apache-tomcat-8.5.79 Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Xmx512M Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -DHEAP_SIZE=512M Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Dpname=WebServer Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Djava.endorsed.dirs= Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Dcatalina.base=/abc/sw/runtime/tomcat Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Dcatalina.home=/abc/sw/runtime/tomcat Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Djava.io.tmpdir=/abc/sw/runtime/tomcat/temp Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -DLOG_DIR=/abc/log/sw_log Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -DCONF_DIR=/abc/sw/conf Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -DRT_DIR=/abc/sw/runtime Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Djava.rmi.server.codebase=file:///abc/sw/platform/common-R29H01_EC01b1486/dclib/common.jar file:///abc/sw/platform/engine-R32H01_EC05b3632/dclib/engine.jar file:///abc/sw/platform/licensing-R26G01b491/dclib/licensing.jar file:///abc/sw/platform/scheduler-R25H04b525/dclib/scheduler.jar file:///abc/sw/platform/symboliclinkcreator-R19H09_EC02b369/dclib/symboliclinkcreator.jar Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Dlog4j2.configurationFile=file:/abc/sw/runtime/apache-tomcat-8.5.79/webapps/adminui/conf/adminui.properties Jun 01, 2023 9:49:00 AM org.apache.catalina.core.AprLifecycleListener lifecycleEvent Jun 01, 2023 9:49:00 AM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["https-jsse-nio-8443"] Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 678 ms Jun 01, 2023 9:49:00 AM com.abcdef.catalina.users.AbcUserDatabaseFactory getObjectInstance INFO: ABC UserDatabase successfully created. Jun 01, 2023 9:49:00 AM org.apache.catalina.core.StandardService startInternal INFO: Starting service [Catalina] Jun 01, 2023 9:49:00 AM org.apache.catalina.core.StandardEngine startInternal INFO: Starting Servlet engine: [Apache Tomcat] Jun 01, 2023 9:49:00 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/ROOT] Jun 01, 2023 9:49:01 AM org.apache.jasper.servlet.TldScanner scanJars INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. Jun 01, 2023 9:49:01 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deployment of web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/ROOT] has finished in [616] ms Jun 01, 2023 9:49:01 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/host-manager] Jun 01, 2023 9:49:01 AM org.apache.jasper.servlet.TldScanner scanJars INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. Jun 01, 2023 9:49:01 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deployment of web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/host-manager] has finished in [53] ms Jun 01, 2023 9:49:01 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/manager] Jun 01, 2023 9:49:01 AM org.apache.jasper.servlet.TldScanner scanJars INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. Jun 01, 2023 9:49:01 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deployment of web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/manager] has finished in [56] ms Jun 01, 2023 9:49:01 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/adminui] Jun 01, 2023 9:49:02 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deployment of web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/adminui] has finished in [1,244] ms Jun 01, 2023 9:49:02 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/alarmcfg] Jun 01, 2023 9:49:16 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deployment of web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/alarmcfg] has finished in [13,051] ms Jun 01, 2023 9:49:16 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/universeupdateinstaller] Jun 01, 2023 9:49:16 AM org.apache.jasper.servlet.TldScanner scanJars INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. Jun 01, 2023 9:49:16 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deployment of web application directory [/abc/sw/runtime/apache-tomcat-8.5.79/webapps/universeupdateinstaller] has finished in [274] ms Jun 01, 2023 9:49:16 AM org.apache.coyote.AbstractProtocol start INFO: Starting ProtocolHandler ["https-jsse-nio-8443"] Jun 01, 2023 9:49:16 AM org.apache.catalina.startup.Catalina start INFO: Server startup in 15359 ms Regards, Thomson