Click here to close now.

Welcome!

Apache Authors: Don MacVittie, AppDynamics Blog, Pat Romanski, Liz McMillan, Elizabeth White

Related Topics: Java IoT, Industrial IoT, Microservices Expo, IBM Cloud, Eclipse, Apache

Java IoT: Blog Feed Post

Configuring JMX in WebSphere 8.5

Historically most JMX implementations used the simple JMXMP protocol as the underlying transport

Like most application servers, WebSphere 8.5 has a rich management infrastructure based on JMX, or Java Management Extensions. In fact, the WebSphere administration console uses JMX to connect to the server to issue queries and perform administrative operations. In a previous post I showed you how to secure JBoss’ JMX connector. While there is a lot of information out there on how to connect to WebSphere via JMX, most of the examples involve either disabling SSL, or worse – disabling security globally. So let’s see how we can access WebSphere’s JMX connector remotely in a secure way. Like most things WebSphere, this could look very daunting at first, but once done, you will have a reliable and secure setup.

First, a Little Background
Historically most JMX implementations used the simple JMXMP protocol as the underlying transport. The newer versions of the the JMX Spec stipulate that each implementation should support RMI as a transport. As a result, both WebSphere and JBoss have moved away from JMXMP connectors in favor of RMI connectors for JMX. To complicate things even further, WebSphere’s version of RMI works on top of IIOP (and not JRMP as most RMI servers do). In practice, this means that any RMI client (including JMX clients) connecting to WebSphere should use some WebSphere-specific jar files on the classpath. Additionally, because RMI/IIOP uses SSL, we need to specify the correct path to the server’s keystore and trust store where the client and server SSL keys are stored.

Enabling the JMX Connector in WebSphere
For the rest of this post, we are going to assume the following:

  • WebSphere 8.5 is installed in /opt/IBM/WebSphere
  • You have created an application server node named server1, which is up and running
  • The administration console is deployed
  • You have the administrative credentials

Step 1. Log on to the Admin Console

Open a web browser, go to https://localhost:9043/ibm/console and log in with your administrative user and password:

Step 2. Navigate to the server settings:

From the menu on the left, go to Servers > Server Types > WebSphere Application Servers.

Step 3. Click on your server (default is server1) and select the Configuration tab.

Step 4. Scroll down to the Server Infrastructure section and expand Administration and select Administration Services

Step 5. Enable JSR160 RMI JMX Connector. Select JMX Connectors, then check JSR160RMIConnector and click Enable. When prompted, select Save to Master Configuration:

Step 6. Verify the IIOP Port Number Go back to the server page (see steps 2&3), but this time click on Ports (under the Communications heading). Make a note of the ORB_LISTENER_ADDRESS value (default is 9100)

Step 7. Restart the server. From the command line, go to your server profile folder, e.g.

[dkamenov@was01 bin]cd /opt/IBM/WebSphere/AppServer/profiles/AppSrv01/bin
[dkamenov@was01 bin]sudo ./stopServer.sh server1
ADMU0116I: Tool information is being logged in file
           /opt/IBM/WebSphere/AppServer/profiles/AppSrv01/logs/server1/stopServer.log
ADMU0128I: Starting tool with the AppSrv01 profile
ADMU3100I: Reading configuration for server: server1
ADMU3201I: Server stop request issued. Waiting for stop status.
ADMU4000I: Server server1 stop completed.

[dkamenov@was01 bin]$ sudo ./startServer.sh server1 
ADMU0116I: Tool information is being logged in file
           /opt/IBM/WebSphere/AppServer/profiles/AppSrv01/logs/server1/startServer.log
ADMU0128I: Starting tool with the AppSrv01 profile
ADMU3100I: Reading configuration for server: server1
ADMU3200I: Server launched. Waiting for initialization status.
ADMU3000I: Server server1 open for e-business; process id is 13397

After what seems like an eternity, your server will come up.

Step 8. Verify that the server is listening on port 9100:

[dkamenov@was01 ~]$ netstat -an | grep 9100
tcp        0      0 :::9100                     :::*                        LISTEN

Running JConsole
JConsole is the generic JMX console provided with the Java SDK. It is expected to work with any MBean server. On the other WebSphere’s MBean server exposes WebSphere-specific objects.  For this reason, we need to tweak the environment a little bit in order to make the WebSphere-specific classed known to JConsole. There are also some SSL-specific client and server keys (stored in a key store) that the JMX client needs to establish an SSL connection to the server. We will do all this (and more) with a simple shell script (be sure to change the PORT variable to match ORB_LISTENER_ADDRESS, and also to specify the correct IP address). After the script sets up the environment variables, it invokes the jconsole client bundled with the IBM JDK installed in the WebSphere directory:

#!/bin/bash

WAS_HOME=/opt/IBM/WebSphere/AppServer

# setup server-specific env variables
. $WAS_HOME/profiles/AppSrv01/bin/setupCmdLine.sh

#HOST=localhost
HOST=192.168.24.129 # Change this as needed
PORT=9100 

CLASSPATH=$JAVA_HOME/lib/jconsole.jar
CLASSPATH=$CLASSPATH:$WAS_HOME/runtimes/com.ibm.ws.admin.client_8.5.0.jar
CLASSPATH=$CLASSPATH:$WAS_HOME/runtimes/com.ibm.ws.ejb.thinclient_8.5.0.jar
CLASSPATH=$CLASSPATH:$WAS_HOME/runtimes/com.ibm.ws.orb_8.5.0.jar

$JAVA_HOME/bin/jconsole \
        -J-Djava.class.path=$CLASSPATH\
        -J$CLIENTSAS\
        -J$CLIENTSSL\
        service:jmx:iiop://$HOST:$PORT/jndi/JMXConnector

Once you run the script, JConsole should open and connect to the server. Enter your administrator credentials when prompted:

Feel free to explore the properties and administrative operations provided by the server:

In a future post, we will take things a step further by using the Monitis JMX monitor to gather metrics from WebSphere and upload them to your Monitis account. Until then, happy monitoring!

Read the original blog entry...

More Stories By Hovhannes Avoyan

Hovhannes Avoyan is the CEO of Monitis, Inc., a provider of on-demand systems management and monitoring software to 50,000 users spanning small businesses and Fortune 500 companies.

Prior to Monitis, he served as General Manager and Director of Development at prominent web portal Lycos Europe, where he grew the Lycos Armenia group from 30 people to over 200, making it the company's largest development center. Prior to Lycos, Avoyan was VP of Technology at Brience, Inc. (based in San Francisco and acquired by Syniverse), which delivered mobile internet content solutions to companies like Cisco, Ingram Micro, Washington Mutual, Wyndham Hotels , T-Mobile , and CNN. Prior to that, he served as the founder and CEO of CEDIT ltd., which was acquired by Brience. A 24 year veteran of the software industry, he also runs Sourcio cjsc, an IT consulting company and startup incubator specializing in web 2.0 products and open-source technologies.

Hovhannes is a senior lecturer at the American Univeristy of Armenia and has been a visiting lecturer at San Francisco State University. He is a graduate of Bertelsmann University.

@ThingsExpo Stories
The 4th International Internet of @ThingsExpo, co-located with the 17th International Cloud Expo - to be held November 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA - announces that its Call for Papers is open. The Internet of Things (IoT) is the biggest idea since the creation of the Worldwide Web more than
The 17th International Cloud Expo has announced that its Call for Papers is open. 17th International Cloud Expo, to be held November 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA, brings together Cloud Computing, APM, APIs, Microservices, Security, Big Data, Internet of Things, DevOps and WebRTC to one location. With cloud computing driving a higher percentage of enterprise IT budgets every year, it becomes increasingly important to plant your flag in this fast-expanding business opportunity. Submit your speaking proposal today!
Explosive growth in connected devices. Enormous amounts of data for collection and analysis. Critical use of data for split-second decision making and actionable information. All three are factors in making the Internet of Things a reality. Yet, any one factor would have an IT organization pondering its infrastructure strategy. How should your organization enhance its IT framework to enable an Internet of Things implementation? In his session at @ThingsExpo, James Kirkland, Red Hat's Chief Architect for the Internet of Things and Intelligent Systems, described how to revolutionize your archit...
The 5th International DevOps Summit, co-located with 17th International Cloud Expo – being held November 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA – announces that its Call for Papers is open. Born out of proven success in agile development, cloud computing, and process automation, DevOps is a macro trend you cannot afford to miss. From showcase success stories from early adopters and web-scale businesses, DevOps is expanding to organizations of all sizes, including the world's largest enterprises – and delivering real results. Among the proven benefits, DevOps is corr...
SYS-CON Events announced today that Secure Infrastructure & Services will exhibit at SYS-CON's 17th International Cloud Expo®, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. Secure Infrastructure & Services (SIAS) is a managed services provider of cloud computing solutions for the IBM Power Systems market. The company helps mid-market firms built on IBM hardware platforms to deploy new levels of reliable and cost-effective computing and high availability solutions, leveraging the cloud and the benefits of Infrastructure-as-a-Service (IaaS...
To many people, IoT is a buzzword whose value is not understood. Many people think IoT is all about wearables and home automation. In his session at @ThingsExpo, Mike Kavis, Vice President & Principal Cloud Architect at Cloud Technology Partners, discussed some incredible game-changing use cases and how they are transforming industries like agriculture, manufacturing, health care, and smart cities. He will discuss cool technologies like smart dust, robotics, smart labels, and much more. Prepare to be blown away with a glimpse of the future.
SYS-CON Events announced today that ProfitBricks, the provider of painless cloud infrastructure, will exhibit at SYS-CON's 17th International Cloud Expo®, which will take place on November 3–5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. ProfitBricks is the IaaS provider that offers a painless cloud experience for all IT users, with no learning curve. ProfitBricks boasts flexible cloud servers and networking, an integrated Data Center Designer tool for visual control over the cloud and the best price/performance value available. ProfitBricks was named one of the coolest Clo...
17th Cloud Expo, taking place Nov 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA, will feature technical sessions from a rock star conference faculty and the leading industry players in the world. Cloud computing is now being embraced by a majority of enterprises of all sizes. Yesterday's debate about public vs. private has transformed into the reality of hybrid cloud: a recent survey shows that 74% of enterprises have a hybrid cloud strategy. Meanwhile, 94% of enterprises are using some form of XaaS – software, platform, and infrastructure as a service.
Internet of Things is moving from being a hype to a reality. Experts estimate that internet connected cars will grow to 152 million, while over 100 million internet connected wireless light bulbs and lamps will be operational by 2020. These and many other intriguing statistics highlight the importance of Internet powered devices and how market penetration is going to multiply many times over in the next few years.
SYS-CON Events announced today that Dyn, the worldwide leader in Internet Performance, will exhibit at SYS-CON's 17th International Cloud Expo®, which will take place on November 3-5, 2015, at the Santa Clara Convention Center in Santa Clara, CA. Dyn is a cloud-based Internet Performance company. Dyn helps companies monitor, control, and optimize online infrastructure for an exceptional end-user experience. Through a world-class network and unrivaled, objective intelligence into Internet conditions, Dyn ensures traffic gets delivered faster, safer, and more reliably than ever.
The basic integration architecture, as defined by ESBs, hasn’t changed for more than a decade. Most cloud integration providers still rely on an ESB architecture and their proprietary connectors. As a result, enterprise integration projects suffer from constraints of availability and reliability of these connectors that are not re-usable across other integration vendors. However, the rapid adoption of APIs and almost ubiquitous availability of APIs amongst most SaaS and Cloud applications are rapidly redefining traditional integration approaches and their reliance on proprietary connectors. ...
"We have a tagline - "Power in the API Economy." What that means is everything that is built in applications and connected applications is done through APIs," explained Roberto Medrano, Executive Vice President at Akana, in this SYS-CON.tv interview at 16th Cloud Expo, held June 9-11, 2015, at the Javits Center in New York City.
WebRTC converts the entire network into a ubiquitous communications cloud thereby connecting anytime, anywhere through any point. In his session at WebRTC Summit,, Mark Castleman, EIR at Bell Labs and Head of Future X Labs, will discuss how the transformational nature of communications is achieved through the democratizing force of WebRTC. WebRTC is doing for voice what HTML did for web content.
Today air travel is a minefield of delays, hassles and customer disappointment. Airlines struggle to revitalize the experience. GE and M2Mi will demonstrate practical examples of how IoT solutions are helping airlines bring back personalization, reduce trip time and improve reliability. In their session at @ThingsExpo, Shyam Varan Nath, Principal Architect with GE, and Dr. Sarah Cooper, M2Mi’s VP Business Development and Engineering, will explore the IoT cloud-based platform technologies driving this change including privacy controls, data transparency and integration of real time context wi...
Buzzword alert: Microservices and IoT at a DevOps conference? What could possibly go wrong? In this Power Panel at DevOps Summit, moderated by Jason Bloomberg, the leading expert on architecting agility for the enterprise and president of Intellyx, panelists peeled away the buzz and discuss the important architectural principles behind implementing IoT solutions for the enterprise. As remote IoT devices and sensors become increasingly intelligent, they become part of our distributed cloud environment, and we must architect and code accordingly. At the very least, you'll have no problem fillin...
The Internet of Things is not only adding billions of sensors and billions of terabytes to the Internet. It is also forcing a fundamental change in the way we envision Information Technology. For the first time, more data is being created by devices at the edge of the Internet rather than from centralized systems. What does this mean for today's IT professional? In this Power Panel at @ThingsExpo, moderated by Conference Chair Roger Strukhoff, panelists addressed this very serious issue of profound change in the industry.
Internet of Things (IoT) will be a hybrid ecosystem of diverse devices and sensors collaborating with operational and enterprise systems to create the next big application. In their session at @ThingsExpo, Bramh Gupta, founder and CEO of robomq.io, and Fred Yatzeck, principal architect leading product development at robomq.io, discussed how choosing the right middleware and integration strategy from the get-go will enable IoT solution developers to adapt and grow with the industry, while at the same time reduce Time to Market (TTM) by using plug and play capabilities offered by a robust IoT ...
It is one thing to build single industrial IoT applications, but what will it take to build the Smart Cities and truly society-changing applications of the future? The technology won’t be the problem, it will be the number of parties that need to work together and be aligned in their motivation to succeed. In his session at @ThingsExpo, Jason Mondanaro, Director, Product Management at Metanga, discussed how you can plan to cooperate, partner, and form lasting all-star teams to change the world and it starts with business models and monetization strategies.
SYS-CON Events announced today that BMC will exhibit at SYS-CON's 16th International Cloud Expo®, which will take place on June 9-11, 2015, at the Javits Center in New York City, NY. BMC delivers software solutions that help IT transform digital enterprises for the ultimate competitive business advantage. BMC has worked with thousands of leading companies to create and deliver powerful IT management services. From mainframe to cloud to mobile, BMC pairs high-speed digital innovation with robust IT industrialization – allowing customers to provide amazing user experiences with optimized IT per...
There will be 150 billion connected devices by 2020. New digital businesses have already disrupted value chains across every industry. APIs are at the center of the digital business. You need to understand what assets you have that can be exposed digitally, what their digital value chain is, and how to create an effective business model around that value chain to compete in this economy. No enterprise can be complacent and not engage in the digital economy. Learn how to be the disruptor and not the disruptee.