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This bug was originally marked as duplicate of bug 186361, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE Dev (Build 201203210400) VM: Java HotSpot(TM) 64-Bit Server VM, 23.0-b18, Java(TM) SE Runtime Environment, 1.7.0_04-ea-b17 OS: Mac OS X Maximum slowness yet reported was 5433 ms, average is 5433
Created attachment 117206 [details] nps snapshot
From those 5secs, 5118ms is spent in j2ee.persistence.unit.PersistenceUnitPanel
http://hg.netbeans.org/web-main/rev/50eb586e3398 some improvement, set to P4 for now too see if there will be more reports or not.
Integrated into 'main-golden', will be available in build *201204021038* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/50eb586e3398 User: Sergey B. Petrov <sj-nb@netbeans.org> Log: #210052 some steps to minimize classpath search, may not fix completely the issue but should be better