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using build netbeans-hudson-trunk-346-full.zip (20070606) I generated UML Model report. At the end of report generation, a web browser was launched to display the model report. However, if the browser could not be found or launched, the following exception was popped up in an exception dialog. java.io.IOException: Failed to show URI:file:/home1/jse/hydra/projects/ReportingJavaModel/report/index.html at sun.awt.X11.XDesktopPeer.launch(XDesktopPeer.java:75) at sun.awt.X11.XDesktopPeer.browse(XDesktopPeer.java:64) at java.awt.Desktop.browse(Desktop.java:368) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.netbeans.modules.extbrowser.SystemDefaultBrowser$1.browse(SystemDefaultBrowser.java:73) at org.netbeans.modules.extbrowser.SystemDefaultBrowser$Jdk6BrowserImpl.setURL(SystemDefaultBrowser.java:181) [catch] at org.openide.awt.HtmlBrowser$1URLSetter.run(HtmlBrowser.java:471) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) at java.awt.EventDispatchThread.run(EventDispatchThread.java:121) From the command line where ide was launched, the following additional lines were displayed in addition to the above exception. Warning: use of system property netbeans.home in org.netbeans.modules.j2ee.sun.ide.j2ee.PluginProperties has been obsoleted in favor of InstalledFileLocator Fontconfig error: Cannot load default config file (process:3058): libgnomevfs-WARNING **: Configuration file `/etc/gnome-vfs-2.0/modules/cdemenu-module.conf' was not found: Too many open files (process:3058): libgnomevfs-WARNING **: Configuration file `/etc/gnome-vfs-2.0/modules/default-modules.conf' was not found: Too many open files (process:3058): libgnomevfs-WARNING **: Configuration file `/etc/gnome-vfs-2.0/modules/smb-module.conf' was not found: Too many open files (process:3058): libgnomevfs-WARNING **: Configuration file `/etc/gnome-vfs-2.0/modules/ssl-modules.conf' was not found: Too many open files (process:3058): libgnomevfs-WARNING **: Configuration file `/etc/gnome-vfs-2.0/modules/mapping-modules.conf' was not found: Too many open files (process:3058): libgnomevfs-WARNING **: Configuration file `/etc/gnome-vfs-2.0/modules/font-method.conf' was not found: Too many open files (process:3058): libgnomevfs-WARNING **: Configuration file `/etc/gnome-vfs-2.0/modules/theme-method.conf' was not found: Too many open files WARNING [org.netbeans.modules.editor.impl.KitsTracker]: Ambiguous mime types for editor kit implementation class: class org.netbeans.modules.xml.text.syntax.XMLKit; mime types: [text/xml, text/xml-external-parsed-entity, text/x-bpel+xml, text/x-struts+xml, application/x-schema+xml, text/x-ant+xml, text/xml-bpel+xml, text/x-jsf+xml] WARNING [org.netbeans.modules.editor.impl.KitsTracker]: Ambiguous mime types for editor kit implementation class: class org.netbeans.modules.web.core.syntax.JSPKit; mime types: [text/x-jsp, text/x-tag] WARNING [org.netbeans.modules.editor.impl.KitsTracker]: No mime type uses editor kit implementation class: class org.netbeans.modules.editor.NbEditorKit GConf Error: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://www.gnome.org/projects/gconf/ for information. (Details - 1: IOR file '/var/tmp/gconfd-petersl/lock/ior' not opened successfully, no gconfd located: Too many open files 2: IOR file '/var/tmp/gconfd-petersl/lock/ior' not opened successfully, no gconfd located: Too many open files) WARNING [org.netbeans.modules.extbrowser.SystemDefaultBrowser]
A more user-friendly message should have been displayed instead of the exception.
Reassigning to "uml" for evaluation...
UML uses HtmlBrowser.URLDisplayer.getDefault().showURL(url), which in turn invokes SystemDefaultBrowser.setURL(URL url), this utility catches IOException and reports in GUI. This is clearly out of uml module control, if it is deemed unfriendly or uninformative, it should be changed in SystemDefaultBrowser. Re-assign to external html browser module.
*** This issue has been marked as a duplicate of 92306 ***