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We will have the source or project configured in IDE in our system. Mostly when the application might be in different system in the network. We will need this remote debug mechanism when the application is running separately outside of IDE. Configuring the same for debug with other IDEs like NetBeans, IntelliJ should be similar. Eclipse IDE is what I use mostly and so I took it for example. You can inspect variables by looking at the Variables view and see how they are changed as you step through the code.Last modified on August 1st, 2014 by Joe.ĭebugging a remotely running Java application using Eclipse IDE is an important skill in our Java debug arsenal. The suspended thread will show the call stack. The debug view will show all the threads that are currently running. You should see something like the following. Once the debugger is started, switch to the Debug Perspective. You can then step through the operator code, and inspect variables. When the breakpoint is hit, the debug session will suspend the JVM at the desired location. I usually set a breakpoint inside the process tuple method to see how my tuple is going to be processed.
#How to use eclipse debugger for junit code#
To stop the debugger, you can set a breakpoint in the source code in the Java Editor by double clicking on the ruler of the editor. If the debug connection can be successfully established with the operator JVM, a new debug session will be shown in the Debug view in Eclipse.
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Once the JVM is started, you can going to use the remote support from Eclipse Java Debugger to connect to the JVM and start a debug session. The basic idea is to start the JVM running your operator in debug mode.
#How to use eclipse debugger for junit how to#
This post describes how to configure a Java operator so that you can use the Eclipse Java Debugger to step through your operator code. This approach is cumbersome and is difficult to work with when dealing with multithreaded problems. One can use print statements or the log/trace functions to trace the operator code. One of the biggest challenges to developing a Java operator is how to debug the operator. How to Debug Java Operators with Eclipse/Streams Studio Edit me