Skip to main content

How to track java Exceptions in Tomcat Log

By

We have monitoring large java application logs (Ex - Hotel Directory ) , there are many logs entry in our log file and can not figure out Java Exceptions by looking at catalina.out log file.

Using with tail and grep command in Linux, we can track Java Exception, This is very helpful to us Track exception in testing and production environment.

In Tomcat
tail -f catalina.out | grep -P "(WARN|ERROR|^\tat |Exception|^Caused by: |\t... \d+ more)"

In Any Java Application Logfile
tail -f logfile | grep -P "(WARN|ERROR|^\tat |Exception|^Caused by: |\t... \d+ more)"

Labels:

Comments

Post a Comment

Popular posts from this blog

is not a JMX compliant Standard MBean

By
I got the fallowing exception and issue solved. If your are using MBean , MBean Interface and Implementation should be in same package, Otherwise use MXBean. javax.management.NotCompliantMBeanException: MBean class comlanka.rest.controller.DataManagerController does not implement DynamicMBean, and neither follows the Standard MBean conventions (javax.management.NotCompliantMBeanException: Class comlanka.rest.controller.DataManagerController is not a JMX compliant Standard MBean) nor the MXBean conventions (javax.management.NotCompliantMBeanException: comlanka.rest.controller.DataManagerController: Class comlanka.rest.controller.DataManagerController is not a JMX compliant MXBean)         at com.sun.jmx.mbeanserver.Introspector.checkCompliance(Introspector.java:176)         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:317)         at com.sun.jmx.mbeanserver.Jmx...
Post a Comment
Read more

AWS amplify hugo App build specification amplify.yml

By
 I needed a content-oriented site with solely static content for a little project I'm working on, so Hugo was an obvious choice. I looked into using AWS Amplify to host it, But the default amplify.yml not working for me and can't find the correct build file, I have modified the amplify.yml to build the Hugo cms. Hope this is helpful, Please comment. version : 1 frontend : phases : build : commands : - npm install - npm run build:webpack && npm run build:hugo artifacts : baseDirectory : dist files : - '**/*' cache : paths : []
Post a Comment
Read more

hamcrest and junit java.lang.NoSuchFieldError: NONE

By
Issue - When you using hemcrest with JUnit5 you may get  java.lang.NoSuchFieldError: NONE error. Solution - Add junit-vintage-engine to classpath           <dependency>             <groupId>org.junit.vintage</groupId>             <artifactId>junit-vintage-engine</artifactId>             <version>5.3.1</version>             <scope>test</scope>         </dependency>  Full Exception - java.lang.NoSuchFieldError: NONE at org.hamcrest.DiagnosingMatcher.matches(DiagnosingMatcher.java:12) at org.hamcrest.beans.SamePropertyValuesAs.hasMatchingValues(SamePropertyValuesAs.java:63) at org.hamcrest.beans.SamePropertyValuesAs.matchesSafely(SamePropertyValuesAs.java:31) at org.hamcrest.TypeSafeDiagnosingMatcher.matches(TypeSafeDiagnosing...
Post a Comment
Read more