stop IntelliJ IDEA to switch java language level every time the pom is reloaded (or change the default project language level)

Question

Using IntelliJ 12, I have a java project and I use maven with a pom.xml. My project is using java8, but it seems the default project language level has been set to 6 while i

Answer 1

For me the solution of updating the POM (plugins plus properties) to the required Java compiler version (1_7 in my case) worked. However as the .iml file for each project was generated with original pom (with default compiler version of 1_5 as explained by someone above) has a JDK version of 1_5, this still overrides the pom version.

I deleted the .idea folder manually and imported the module into IntelliJ with a reimport from the updated pom. When I reimported the Module from updated POM,I could see that the iml files had the updated JDK version (1_7 in my case) .