I've got the error :
java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOfRange(Arrays.java:3664) at java.lang.String.<init>(String.java:207) at java.lang.String.substring(String.java:1933) at org.ametys.plugins.core.ui.minimize.MinimizeCSSReader.__removeComment(MinimizeCSSReader.java:186) at org.ametys.plugins.core.ui.minimize.MinimizeCSSReader.__removeComment(MinimizeCSSReader.java:186)