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I was trying to edit mf-layer provided by apisupport 2.7. Looks like the editor is trying to connect to web for DTD... "AWT-EventQueue-0" prio=1 tid=0x81b8af8 nid=0x781 runnable [0x4de90000..0x4de90890] at java.net.SocketInputStream.socketRead(Native Method) at java.net.SocketInputStream.read(SocketInputStream.java:86) at java.io.BufferedInputStream.fill(BufferedInputStream.java:186) at java.io.BufferedInputStream.read1(BufferedInputStream.java:225) at java.io.BufferedInputStream.read(BufferedInputStream.java:280) at java.io.FilterInputStream.read(FilterInputStream.java:114) at java.io.PushbackInputStream.read(PushbackInputStream.java:164) at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:649) at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:613) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:506) at java.net.URL.openStream(URL.java:798) at org.apache.xerces.impl.XMLEntityManager.startEntity(XMLEntityManager.java:973) at org.apache.xerces.impl.XMLEntityManager.startDTDEntity(XMLEntityManager.java:674) at org.apache.xerces.impl.XMLDocumentScanner.scanDoctypeDecl(XMLDocumentScanner.java:739) at org.apache.xerces.impl.XMLDocumentScanner$PrologDispatcher.dispatch(XMLDocumentScanner.java:1584) at org.apache.xerces.impl.XMLDocumentScanner.scanDocument(XMLDocumentScanner.java:335) at org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardParserConfiguration.java:389) at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:196) at org.netbeans.tax.io.XNIBuilder$XMLBuilder.parse(XNIBuilder.java:320) at org.netbeans.tax.io.XNIBuilder.buildDocument(XNIBuilder.java:141) at org.netbeans.modules.xml.core.tree.XMLParsingSupport.parse(XMLParsingSupport.java:40) at org.netbeans.modules.xml.core.tree.TreeEditorCookieImpl.parseTree(TreeEditorCookieImpl.java:367) at org.netbeans.modules.xml.core.tree.TreeEditorCookieImpl.updateTree(TreeEditorCookieImpl.java:319) at org.netbeans.modules.xml.core.tree.XMLTreeRepresentation.update(XMLTreeRepresentation.java:49) at org.netbeans.modules.xml.core.sync.SyncSupport.representationChanged(SyncSupport.java:229) at org.netbeans.modules.xml.core.sync.DataObjectSyncSupport.representationChanged(DataObjectSyncSupport.java:70) at org.netbeans.modules.xml.core.text.TextEditorSupport.syncDocument(TextEditorSupport.java:483) at org.netbeans.modules.xml.core.text.TextEditorComponent$2.focusLost(TextEditorComponent.java:96) at java.awt.AWTEventMulticaster.focusLost(AWTEventMulticaster.java:171) at java.awt.AWTEventMulticaster.focusLost(AWTEventMulticaster.java:170) at java.awt.Component.processFocusEvent(Component.java:3642) at javax.swing.JComponent.processFocusEvent(JComponent.java:1980) at java.awt.Component.processEvent(Component.java:3535) at java.awt.Container.processEvent(Container.java:1164) at java.awt.Component.dispatchEventImpl(Component.java:2593) at java.awt.Container.dispatchEventImpl(Container.java:1213) at java.awt.Component.dispatchEvent(Component.java:2497) at java.awt.LightweightDispatcher.processFocusEvent(Container.java:2167) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2130) at java.awt.Container.dispatchEventImpl(Container.java:1200) at java.awt.Window.dispatchEventImpl(Window.java:926) at java.awt.Component.dispatchEvent(Component.java:2497) at java.awt.EventQueue.dispatchEvent(EventQueue.java:339) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:85) "Thread-0" prio=1 tid=0x80fb4d8 nid=0x75d waiting on monitor [0..0xbfffd1c8] "Signal Dispatcher" daemon prio=1 tid=0x8099e70 nid=0x77e waiting on monitor [0..0] "Finalizer" daemon prio=1 tid=0x8091e48 nid=0x77b waiting on monitor [0x4bc8e000..0x4bc8e890] at java.lang.Object.wait(Native Method) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:108) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:123) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:162) "Reference Handler" daemon prio=1 tid=0x8091288 nid=0x77a waiting on monitor [0x4ba8e000..0x4ba8e890] at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:420) at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:110) "VM Thread" prio=1 tid=0x808e1b0 nid=0x779 runnable "VM Periodic Task Thread" prio=1 tid=0x8098ad0 nid=0x77c waiting on monitor "Suspend Checker Thread" prio=1 tid=0x80994a0 nid=0x77d runnable
In the current implementation it is intentional. While focus lost we want to assure that a user can not modify XML in explorer until it is fully up to date. You can avoid Internet connections by mounting NetBeans Entity Catalog at Runtime/XML Entity Catalogs/New Mount Catalog. Note that proper persistence is not implemented in alpha2 (it is new in dev builds).
*** This issue has been marked as a duplicate of 15756 ***
VERIFIED
Resolved for 3.4.x or earlier, no new info since then -> closing.