[jbosstools-issues] [JBoss JIRA] (JBIDE-17569) Unhandled event loop exception on Software/Update page when offline

Radim Hopp created JBIDE-17569: ---------------------------------- Summary: Unhandled event loop exception on Software/Update page when offline Key: JBIDE-17569 URL: https://issues.jboss.org/browse/JBIDE-17569 Project: Tools (JBoss Tools) Issue Type: Bug Components: central Affects Versions: 4.2.0.Beta2 Environment: JBT 4.2.0.Beta2b not connected to the internet Reporter: Radim Hopp When opening Software/Update page or invoking refresh, these errors appear in Error Log: {noformat:title=Failed to get connectors from ExpressionBasedRemoteBundleDiscoveryStrategy} org.eclipse.core.runtime.CoreException: Unknown Host: http://download.jboss.org/jbosstools/discovery/development/4.2.0.Beta2b/j... at org.eclipse.equinox.internal.p2.transport.ecf.RepositoryTransport.stream(RepositoryTransport.java:181) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.eclipse.mylyn.internal.discovery.core.util.P2TransportService.stream(P2TransportService.java:92) at org.eclipse.mylyn.internal.discovery.core.util.WebUtil.stream(WebUtil.java:161) at org.eclipse.mylyn.internal.discovery.core.util.WebUtil.readResource(WebUtil.java:95) at org.jboss.tools.project.examples.internal.discovery.xpl.RemoteExternalBundleDiscoveryStrategy.loadRegistry(RemoteExternalBundleDiscoveryStrategy.java:90) at org.jboss.tools.project.examples.internal.discovery.xpl.ExternalBundleDiscoveryStrategy.performDiscovery(ExternalBundleDiscoveryStrategy.java:117) at org.jboss.tools.project.examples.internal.discovery.ChainedDiscoveryStrategy.performDiscovery(ChainedDiscoveryStrategy.java:62) at org.eclipse.mylyn.internal.discovery.core.model.ConnectorDiscovery.performDiscovery(ConnectorDiscovery.java:114) at org.jboss.tools.central.editors.xpl.DiscoveryViewer$18.run(DiscoveryViewer.java:1189) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122) Caused by: java.net.UnknownHostException: download.jboss.org at java.net.InetAddress.getAllByName0(InetAddress.java:1250) at java.net.InetAddress.getAllByName(InetAddress.java:1162) at java.net.InetAddress.getAllByName(InetAddress.java:1098) at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45) at org.apache.http.impl.conn.DefaultClientConnectionOperator.resolveHostname(DefaultClientConnectionOperator.java:278) at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:162) at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:151) at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:125) at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:643) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:479) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805) at org.eclipse.ecf.provider.filetransfer.httpclient4.HttpClientRetrieveFileTransfer.performConnect(HttpClientRetrieveFileTransfer.java:1077) at org.eclipse.ecf.provider.filetransfer.httpclient4.HttpClientRetrieveFileTransfer.access$0(HttpClientRetrieveFileTransfer.java:1068) at org.eclipse.ecf.provider.filetransfer.httpclient4.HttpClientRetrieveFileTransfer$1.performFileTransfer(HttpClientRetrieveFileTransfer.java:1064) at org.eclipse.ecf.filetransfer.FileTransferJob.run(FileTransferJob.java:73) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) {noformat} {noformat:title=Unhandled event loop exception} org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.IllegalArgumentException: Argument cannot be null) at org.eclipse.swt.SWT.error(SWT.java:4441) at org.eclipse.swt.SWT.error(SWT.java:4356) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:139) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3781) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3419) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1152) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1033) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:635) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:578) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:379) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:233) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) Caused by: java.lang.IllegalArgumentException: Argument cannot be null at org.eclipse.swt.SWT.error(SWT.java:4422) at org.eclipse.swt.SWT.error(SWT.java:4356) at org.eclipse.swt.SWT.error(SWT.java:4327) at org.eclipse.swt.widgets.Widget.error(Widget.java:476) at org.eclipse.swt.widgets.Widget.checkParent(Widget.java:350) at org.eclipse.swt.widgets.Widget.<init>(Widget.java:235) at org.eclipse.swt.widgets.Control.<init>(Control.java:95) at org.eclipse.swt.widgets.Scrollable.<init>(Scrollable.java:74) at org.eclipse.swt.widgets.Composite.<init>(Composite.java:107) at org.jboss.tools.central.editors.xpl.DiscoveryViewer.createDiscoveryContents(DiscoveryViewer.java:725) at org.jboss.tools.central.editors.xpl.DiscoveryViewer.createBodyContents(DiscoveryViewer.java:320) at org.jboss.tools.central.editors.xpl.DiscoveryViewer.access$10(DiscoveryViewer.java:293) at org.jboss.tools.central.editors.xpl.DiscoveryViewer$14.run(DiscoveryViewer.java:842) at org.eclipse.ui.internal.UILockListener.doPendingWork(UILockListener.java:167) at org.eclipse.ui.internal.UISynchronizer$3.run(UISynchronizer.java:165) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136) ... 24 more {noformat} No message beside these errors is displayed (I think, that earlier there was some message shown instead of list of plugins) -- This message was sent by Atlassian JIRA (v6.2.3#6260)