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This bug was originally marked as duplicate of bug 186855, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.3 Beta 2 (Build 201211062253) VM: OpenJDK 64-Bit Server VM, 23.2-b09, OpenJDK Runtime Environment, 1.7.0_09-b30 OS: Linux User Comments: GUEST: Running PHP with Xdebug debugging enabled and break point set in code. Maximum slowness yet reported was 5559 ms, average is 5559
Created attachment 130714 [details] nps snapshot
This is in PHP debugger. org.netbeans.modules.php.dbgp.models.VariablesModel.isLeaf() calls org.netbeans.modules.php.dbgp.models.VariablesModel.getSession(), which contains the expensive lookup. isLeaf() is often called in AWT.
Fixed in web-mian #05f137334db9
Integrated into 'main-golden', will be available in build *201302252300* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/05f137334db9 User: Ondrej Brejla <obrejla@netbeans.org> Log: #225403 - org.netbeans.api.debugger.Lookup$MetaInf$MetaInfLookupList.<init>: LowPerformance took 5559 ms.