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This bug was originally marked as duplicate of bug 240388, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.0 RC1 (Build 201402242200) VM: Java HotSpot(TM) 64-Bit Server VM, 24.51-b03, Java(TM) SE Runtime Environment, 1.7.0_51-b13 OS: Windows 7 User Comments: GUEST: swapping system; GUEST: While saving my .less file it took more than a minute to save it Stacktrace: java.lang.OutOfMemoryError: Java heap space at java.io.ObjectOutputStream$HandleTable.growEntries(ObjectOutputStream.java:2350) at java.io.ObjectOutputStream$HandleTable.assign(ObjectOutputStream.java:2275) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1427) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508)
Created attachment 147116 [details] stacktrace
Looks like a problem with sampler: http://statistics.netbeans.org/exceptions/exception.do?id=723572
Closing old issue.