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Documentation - Troubleshooting

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Jose Luis Osorno 2019-01-10 13:32:33 +01:00
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docs/troubleshooting.md
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This article describes a list of common issues with the projects generated from the Alfresco SDK 4.0 archetypes and the way to troubleshoot them. This article describes a list of common issues with the projects generated from the Alfresco SDK 4.0 archetypes and the way to troubleshoot them.
* [Incorrect JDK version](#incorrect-jdk-version)
* [Containers synchronization](#containers-synchronization)
* [Ports conflict](#ports-conflict)
## Incorrect JDK version ## Incorrect JDK version
### Problem ### Problem
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The ACS container is not starting properly and it is showing Java compatibility errors in the logs: The ACS container is not starting properly and it is showing Java compatibility errors in the logs:
``` ```
sample-project-acs_1 | org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.example.platformsample.Demo] for bean org.springframework.beans.factory.CannotLoadBeanClassException:
with name 'com.example.Demo' defined in class path resource [alfresco/module/sample-project-platform-jar/context/service-context.xml]: Error loading class [com.example.platformsample.Demo] for bean with name 'com.example.Demo' defined in class path resource
problem with class file or dependent class; nested exception is [alfresco/module/sample-project-platform-jar/context/service-context.xml]:
java.lang.UnsupportedClassVersionError: com/example/platformsample/Demo has been compiled by a more recent version of the Java problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError:
Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 (unable to load com/example/platformsample/Demo has been compiled by a more recent version of the Java Runtime (class file version 55.0),
class [com.example.platformsample.Demo]) this version of the Java Runtime only recognizes class file versions up to 52.0 (unable to load class [com.example.platformsample.Demo])
``` ```
This error represents that the source code was compiled using a wrong version of the JDK. This issue can happen if the generated project is compiled using This error represents that the source code was compiled using a wrong version of the JDK. This issue can happen if the generated project is compiled using
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``` ```
That way, if you face a port conflict, you only need to change the port in the corresponding maven property and rebuilt and restart the project. That way, if you face a port conflict, you only need to change the port in the corresponding maven property and rebuilt and restart the project.