Thursday, June 6, 2013

Dumping Tomcat packets using tshark

Tshark (command line version of wireshark) is a wonderful tool for dumping packets and recently I used it on my Mac since I couldn't easily get Tomcat to log the HTTP packets coming in on port 8080. Having used it in the past for lots of other reasons, I felt compelled to find a generic solution to this problem where you have to rely on application level logging to determine why something works or doesn't.

Here is the command I used (lo0 is the loopback interface since I was running the client and server on my PC)

tshark -f "tcp port 8080" -i lo0 -V

Here is a very good page on tshark that I am sure I will come back to again and again to get more juice out of this tool.

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About Tukeys

Tukeys provides consulting and software services to companies in healthcare and communications that are dealing with technical or scaling challenges. Please reach out to me on LinkedIn.

An interesting quite from John Tukey, who was an American mathematician (1915-2000) -

An approximate answer to the right problem is worth a good deal more than an exact answer to an approximate problem.

Today maths and statistics form the basis of how software is developed and used around us.

About Me

Medhavi
I have over 20 years of experience in healthcare, communications and AI.

I have a passion for defining innovative applications, creating product/technology strategy and solving challenging problems. My product mindset is helpful to any company to find patterns, reduce costs, and gain efficiencies.

I was the VP of Engineering at Vibrent Health, where I led the web, mobile, API and data products that supported one of the largest NIH programs - All of Us Research Program. Our system enrolled almost a million users and collected data from EHRs, surveys and wearables. Before that, I worked at hCentive, a pioneer in health exchanges.

As the CTO of 3CLogic, I helped create the first PC and web-only contact center solution that implemented PBX and CRM functionality as an affordable SaaS solution. As the Chief Architect of NexTone, I was instrumental in the development of SIP and SIP based products. SIP and associated protocols form the basis of modern WebRTC APIs.

If you are a growth company or invest in growing companies that are facing technical or scaling challenges, I can be a tremendous help. Contact me on LinkedIn.View my complete profile

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