I manage this blog and share my knowledge for free sacrificing my time. I’ll describe solutions in the following post. Some problems may appear while connecting with app remotely. Troubleshooting It contain the built-in knowledge repository of common problems which are used to pinpoint the issues and suggestions on causes as Java code executes. They do not require a lot of resources to run so You can just fire them and watch graphs. Glassbox is an open source web application which aid in performance monitoring and troubleshooting of multiple web applications deployed in container. Tools mentioned are very useful to find bottleneck of Your app, errors source etc. Reading JRockit specifications it seems that tool can be your last help when everything else fails. Equipped with VisualVM I did not find a need to try anything more.
#Glassfish monitoring tools full version
JRockit is another useful suite – full version is paid but, as Oracle representant said, totally helpful and worth trying. It also allows to create snapshots of current monitoring graphs and statistics (it is not just screenshot, but fully usable graphs). profiler (according to my observations this module influences efficiency of Your webapp, so be careful using it while app is being loaded with big traffic).list each servlet in your app and measure the time spent by server on processing it, error count, and hit count.max sessions count reached since monitoring started.VisualVM can do everything what JConsole can, plus some more: it has dedicated plugin to monitor glassfish web applications (along with a bunch of other plugins). If You’ll find such need You should install VisualVM. Good solution for standalone apps, and starting point for advanced monitoring of webapps. Then Elastic Beanstalk runs the image on your. Tools for Monitoring GlassFish Server The enable-monitoring, disable-monitoring, or the get and set subcommands are used to turn monitoring on or off. It is then good entry point – You can just fire it on localhost and check memory, CPU usage, active threads and classes. Elastic Beanstalk builds a Docker image that includes your application and the GlassFish software stack. JConsole is provided with JDK, so using it does not require installation. Here are some screenshots from GUI: JConsole GUI VisualVM GUI Tools monitors Memory and CPU usage, active threads and loaded classes for JVM and You can access your webapp remotely with them (provided that traffic is not blocked). There are two free tools You should consider: JConsole, which is included in JDK, and VisualVM which appears to be better for glassfish apps thanks to the dedicated plugin. Although problem was different – I’ve learnt to use some monitoring tools – very useful skill! I thought that it could be lack of server resources. Recently I encountered some problems with glassfish webapp. Not only webapps can be monitored of course. You can really know Your app better with monitoring tools. It is good practice to monitor server resources of your webapp.