- CQ Server: AEM 5.6.1
- IDE: IntelliJIdea 12.0
java -jar cq5-author-4502.jar -fork -forkargs -- -Xdebug -Xrunjdwp:transport=dt_socket,address=59865,suspend=n,server=y -Xmx1520m -XX:MaxPermSize=512m -XX:-UseSplitVerifier
We need to first open the socket from where all the JVM communication will happen. We need to specify the port number while starting the instance. Socket specifies the entry point for all the communication that happens in JVM. Every communication will happen via Socket. In the above command, address=59865 is creating the socket for us. In IDE, we need to set up a remote connection for CQ and specify the same port no as mentioned while starting CQ. Follow the below steps to set up a remote connection in IntelliJIdea.
- Go to Run panel (top of the window) and select Edit configuration.
- Select Defaults and click on “+” to add a new configuration. A list of all the options will appear. Select “Remote” from that list.
- Enter the details in the window as per your needs. Specify the same port number which was used while starting the CQ instance in debug mode.
- Click on “OK” to save the configuration.
Add breakpoints in the java files which you want to debug by double-clicking on the line and start newly created configuration in Debug mode.
Troubleshooting :
1. While starting the AEM instance, make sure JVM has enough heap size for running the CQ server, otherwise, it will fork the JVM and parameters will not be passed to the forked jvm. Use -fork -forkargs – option to ensure that the command line parameters gets passed to the jvm.
2. If you are using java 7, make sure to specify the -XX:-UseSplitVerifier parameter to avoid the unwanted strict verification errors while debugging the bundle.
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