Open Source Java Logging Software for Mac

"Java log viewer" is a GUI to easily view the java application logs generated by the "java.util.logging" package. The log must be formatted by the XMLFormatter class. It provides facilities in order to filter, to sort and to find log records.

COMPAS J2EE is a non-intrusive performance instrumentation and monitoring toolkit for J2EE. It uses adaptive monitoring to automatically adjust the target coverage. COMPAS is completely portable across J2EE application servers and OSs.

My work as a system administrator and developer includes debugging software. I scan and filter logfiles many times a day. This tool can help you to color and filter your logfiles. So you can concentrate on the interesting things to do!

An application to gather, aggregate, chart and report information originating from any log files. It uses regular expressions that are constructed graphically and can be tested in the application against samples. Once configured for a specific type of log file set, the gathering and display of the chart for a new files set can be done in just one click. Contains a sample template to handle few log types: Java GC log, OpenDS access log, Apache access log

A tool that inserts code into Java class files for logging. Possible logging points are class initialization, method entry and exit, and local variable assignment. Logging is based on java.util.logging.

The software program (SarBox) parses and analyzes SAR data in charts or text formats. SAR is cumulative activity counters in the operating system. It is the most comprehensive command which helps to monitor performance of various Linux / Solaris subsystems (CPU, Memory, I/O, Disk, Network, etc) all in same log. This makes it difficult to analyze since every counter data is dumped into the log file. SarBox helps to analyze this log file and present data in graphical charts or text format. To collect sar statistics from an environment, use below syntax [user@host ~]# sar -A 30 2 > sar_linux.log “30 2” reports for every 30 seconds and total of 2 times, written in sar_linux.log.

Shadowtail is a Java/Spring framework for gathering numerical data (statistics) about a Java application. It is particularly useful as a source of data to feed Orca, the free tool for plotting textual data onto a directory on a Web server.

A log player for "The Fourth Coming" ("T4C", http://www.the4thcoming.com). Given a log-file, this tool will replay a T4C game you've played before. It will have built-in functionnalities like : merging log files together, searching and cleaning

A tail GUI with coloring of log entries based on regular expressions. Project has moved to http://code.google.com/p/svansprogram/