java.lang.AssertionError: /space/work/auall/nbbuild/testuserdir/update/download/org-apache-tools-ant-module-docs.nbm
     at org.netbeans.modules.autoupdate.services.InstallSupportImpl.doValidate(InstallSupportImpl.java:364)
     at org.netbeans.modules.autoupdate.services.InstallSupportImpl.doValidate(InstallSupportImpl.java:170)
     at org.netbeans.api.autoupdate.InstallSupport.doValidate(InstallSupport.java:42)
     at org.netbeans.modules.autoupdate.ui.wizards.InstallStep.handleValidation(InstallStep.java:168)
     at org.netbeans.modules.autoupdate.ui.wizards.InstallStep.doDownloadAndVerificationAndInstall(InstallStep.java:106)
     at org.netbeans.modules.autoupdate.ui.wizards.InstallStep.access$000(InstallStep.java:52)
     at org.netbeans.modules.autoupdate.ui.wizards.InstallStep$1.propertyChange(InstallStep.java:91)
     at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
     at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
     at java.awt.Component.firePropertyChange(Component.java:7865)
     at org.netbeans.modules.autoupdate.ui.wizards.InstallPanel.access$000(InstallPanel.java:37)
     at org.netbeans.modules.autoupdate.ui.wizards.InstallPanel$1.run(InstallPanel.java:47)
     at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:541)
 [catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:963)