Bug#933644: icedtea-web: fails to select values in drop-down menus

[MAG4 Piemonte]

Dear Maintainer,
this is the log of the bug:

telem    INFO      2019/10/22 10:22:47:674 Exception in thread "AWT-
EventQueue-1" 
telem    INFO      2019/10/22 10:22:47:675 java.lang.NullPointerException
telem    INFO      2019/10/22 10:22:47:676 	at 
finanze.IDAC.swingset.FilterInputField.<init>(FilterInputField.java:175)
telem    INFO      2019/10/22 10:22:47:676 	at 
finanze.IDAC.swingset.FilterInputField.<init>(FilterInputField.java:155)
telem    INFO      2019/10/22 10:22:47:715 	at 
finanze.IDAC.swingset.ComboInput$CustomComboBoxEditor$1.<init>(ComboInput.java:
203)
telem    INFO      2019/10/22 10:22:47:716 	at 
finanze.IDAC.swingset.ComboInput$CustomComboBoxEditor.<init>(ComboInput.java:
203)
telem    INFO      2019/10/22 10:22:47:716 	at 
finanze.IDAC.swingset.ComboInput.createComboBoxEditor(ComboInput.java:352)
telem    INFO      2019/10/22 10:22:47:716 	at 
finanze.IDAC.swingset.ComboInput.getEditor(ComboInput.java:368)
telem    INFO      2019/10/22 10:22:47:717 	at java.desktop/
javax.swing.JComboBox.setSelectedItem(JComboBox.java:573)
telem    INFO      2019/10/22 10:22:47:717 	at java.desktop/
javax.swing.JComboBox.setSelectedIndex(JComboBox.java:624)
telem    INFO      2019/10/22 10:22:47:717 	at java.desktop/
javax.swing.plaf.basic.BasicComboPopup$Handler.mouseReleased(BasicComboPopup.java:
907)
telem    INFO      2019/10/22 10:22:47:718 	at java.desktop/
java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:298)
telem    INFO      2019/10/22 10:22:47:718 	at java.desktop/
java.awt.Component.processMouseEvent(Component.java:6632)
telem    INFO      2019/10/22 10:22:47:719 	at java.desktop/
javax.swing.JComponent.processMouseEvent(JComponent.java:3342)
telem    INFO      2019/10/22 10:22:47:719 	at java.desktop/
javax.swing.plaf.basic.BasicComboPopup$1.processMouseEvent(BasicComboPopup.java:
551)
telem    INFO      2019/10/22 10:22:47:720 	at java.desktop/
java.awt.Component.processEvent(Component.java:6397)
telem    INFO      2019/10/22 10:22:47:720 	at java.desktop/
java.awt.Container.processEvent(Container.java:2263)
telem    INFO      2019/10/22 10:22:47:721 	at java.desktop/
java.awt.Component.dispatchEventImpl(Component.java:5008)
telem    INFO      2019/10/22 10:22:47:721 	at java.desktop/
java.awt.Container.dispatchEventImpl(Container.java:2321)
telem    INFO      2019/10/22 10:22:47:721 	at java.desktop/
java.awt.Component.dispatchEvent(Component.java:4840)
telem    INFO      2019/10/22 10:22:47:722 	at java.desktop/
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4918)
telem    INFO      2019/10/22 10:22:47:722 	at java.desktop/
java.awt.LightweightDispatcher.processMouseEvent(Container.java:4547)
telem    INFO      2019/10/22 10:22:47:722 	at java.desktop/
java.awt.LightweightDispatcher.dispatchEvent(Container.java:4488)
telem    INFO      2019/10/22 10:22:47:723 	at java.desktop/
java.awt.Container.dispatchEventImpl(Container.java:2307)
telem    INFO      2019/10/22 10:22:47:723 	at java.desktop/
java.awt.Window.dispatchEventImpl(Window.java:2772)
telem    INFO      2019/10/22 10:22:47:723 	at java.desktop/
java.awt.Component.dispatchEvent(Component.java:4840)
telem    INFO      2019/10/22 10:22:47:723 	at java.desktop/
java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772)
telem    INFO      2019/10/22 10:22:47:724 	at java.desktop/
java.awt.EventQueue$4.run(EventQueue.java:721)
telem    INFO      2019/10/22 10:22:47:724 	at java.desktop/
java.awt.EventQueue$4.run(EventQueue.java:715)
telem    INFO      2019/10/22 10:22:47:724 	at java.base/
java.security.AccessController.doPrivileged(Native Method)
telem    INFO      2019/10/22 10:22:47:724 	at java.base/
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:
85)
telem    INFO      2019/10/22 10:22:47:725 	at java.base/
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:
95)
telem    INFO      2019/10/22 10:22:47:725 	at java.desktop/
java.awt.EventQueue$5.run(EventQueue.java:745)
telem    INFO      2019/10/22 10:22:47:725 	at java.desktop/
java.awt.EventQueue$5.run(EventQueue.java:743)
telem    INFO      2019/10/22 10:22:47:725 	at java.base/
java.security.AccessController.doPrivileged(Native Method)
telem    INFO      2019/10/22 10:22:47:725 	at java.base/
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:
85)
telem    INFO      2019/10/22 10:22:47:726 	at java.desktop/
java.awt.EventQueue.dispatchEvent(EventQueue.java:742)
telem    INFO      2019/10/22 10:22:47:726 	at java.desktop/
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:
203)
telem    INFO      2019/10/22 10:22:47:726 	at java.desktop/
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
telem    INFO      2019/10/22 10:22:47:726 	at java.desktop/
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:
113)
telem    INFO      2019/10/22 10:22:47:726 	at java.desktop/
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
telem    INFO      2019/10/22 10:22:47:727 	at java.desktop/
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
telem    INFO      2019/10/22 10:22:47:727 	at java.desktop/
java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

Regards!

Guido