ATG /dyn/admin - Getting unsupported class version when accessing /dyn/admin

If you're getting an error like this:
java.lang.UnsupportedClassVersionError: _dasadmin_3__UTF_s8/_index : Unsupported major.minor version 51.0
.....
.....
[PageCompileServlet] Error compiling page: /index.jhtml : can't load class: _dasadmin_3__UTF_s8._index

You need to change the javac from your machine, in order to match the java version used for building the code.

For Ubuntu:
1. Open the terminal and run this:
sudo update-alternatives --install /usr/bin/java java /opt/java/jdk1.6.0_25 1

2. It will install the jdk, now you need to select it from the alternatives
sudo update-alternatives --config java

3. And select the one corresponding to the jdk you require

4. Then you must do the same for javac
sudo update-alternatives --install /usr/bin/javac javac /opt/java/jdk1.6.0_25/bin/javac 1

5. And update the config within alternatives too:
sudo update-alternatives --config javac

6. And select the one corresponding to the jdk you require

7. Remember to update your PATH env variable in order to include $JAVA_HOME/bin

8. Finally remove folder pagebuild:
/opt/ATG/ATG10.1.2/home/servers/store/pagebuild

9. Start store and /dyn/admin will work again

Comments

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