Intellij idea in file size exceeds configured limit solution

After importing the Hadoop source into idea, where there is a Clientnamenodeprotocolprotos file code up to 82997 lines, idea directly does not read it as a Java class, reported file size exceeds configured Limit error.

The solution is as follows:

You can try to modify the Bin/idea.properties in the IntelliJ IDE installation directory, where the idea.max.intellisense.filesize=2500
To bigger, like
idea.max.intellisense.filesize=99999
Then restart the problem resolution.

Intellij idea in file size exceeds configured limit solution