[NETBEANS-4749] Expanding maven project with 150+ submodules crashes NB12 with OutOfMemoryError

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Affects Version/s: 12.0
• Component/s: apisupport - Project
• Assignee: Unassigned
• Reporter: Leo Zalazar
• Created: 28/Aug/20 17:52
• Updated: 30/Dec/22 01:48
• Resolved: 30/Dec/22 01:48

Description

In the Projects View, expand a Maven 3 Project with 150+ modules. Scroll to the bottom to open a module. 

 

Windows PC performance degrades and NB12 crashes with java.lang.OutOfMemoryError. Not an issue on NB 8.x

CPU Usage goes 100%

Java heap spacejava.lang.OutOfMemoryError: Java heap space at java.base/java.lang.Long.valueOf(Long.java:1207) at org.netbeans.core.TimableEventQueue.done(TimableEventQueue.java:164) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:139)[catch] at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)SEVERE [org.openide.util.RequestProcessor]java.lang.OutOfMemoryError: Java heap spaceSEVERE [null]: Last record repeated again.