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java.lang.NullPointerException: 	at org.eclipse.core.internal.net.StringUtil.split(StringUtil.java:33)	at org.eclipse.core.internal.net.ProxyType.convertPropertyStringToHosts(ProxyType.java:102)	at org.eclipse.core.internal.net.ProxyManager.getNonProxiedHosts(ProxyManager.java:118)	at org.eclipse.core.internal.net.ProxySelector.getBypassHosts(ProxySelector.java:130)	at org.eclipse.ui.internal.net.NonProxyHostsComposite.getProxyBypassData(NonProxyHostsComposite.java:344)	at org.eclipse.ui.internal.net.NonProxyHostsComposite.initializeValues(NonProxyHostsComposite.java:283)	at org.eclipse.ui.internal.net.NonProxyHostsComposite.createWidgets(NonProxyHostsComposite.java:133)	at org.eclipse.ui.internal.net.NonProxyHostsComposite.(NonProxyHostsComposite.java:66)	at org.eclipse.ui.internal.net.ProxyPreferencePage.createNonProxiedHostsComposite(ProxyPreferencePage.java:89)	at org.eclipse.ui.internal.net.ProxyPreferencePage.createContents(ProxyPreferencePage.java:55)	at org.eclipse.jface.preference.PreferencePage.createControl(PreferencePage.java:241)	at org.eclipse.jface.preference.PreferenceDialog.createPageControl(PreferenceDialog.java:1450)	at org.eclipse.jface.preference.PreferenceDialog$13.run(PreferenceDialog.java:1217)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)	at org.eclipse.jface.preference.PreferenceDialog.showPage(PreferenceDialog.java:1209)	at org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog.showPage(FilteredPreferenceDialog.java:608)	at org.eclipse.jface.preference.PreferenceDialog$9$1.run(PreferenceDialog.java:675)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)	at org.eclipse.jface.preference.PreferenceDialog$9.selectionChanged(PreferenceDialog.java:670)	at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:877)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)	at org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:874)	at org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:1243)	at org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:1269)	at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:265)	at org.eclipse.jface.util.OpenStrategy.access$5(OpenStrategy.java:259)	at org.eclipse.jface.util.OpenStrategy$1$2.run(OpenStrategy.java:440)	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4024)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3700)	at org.eclipse.jface.window.Window.runEventLoop(Window.java:827)