Wiki source code of MIB Designer 3.x fails to start
Last modified by Admin on 2024/05/25 21:21
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| author | version | line-number | content |
|---|---|---|---|
 |
5.1 | 1 | ==== Problem Description ==== |
| 2 | |||
| 3 | MIB Designer fails to start or fails to open a window with the following exception printed out on the console: | ||
| 4 | |||
| 5 | {{code}} | ||
| 6 | java.lang.NullPointerException | ||
| 7 | at javax.swing.plaf.ColorUIResource.<init>(Unknown Source) | ||
| 8 | at com.klg.jclass.table.JCTableUI.installDefaults(Unknown Source) | ||
| 9 | at com.klg.jclass.table.JCTableUI.installUI(Unknown Source) | ||
| 10 | at javax.swing.JComponent.setUI(Unknown Source) | ||
| 11 | at com.klg.jclass.table.JCTable.setUI(Unknown Source) | ||
| 12 | at com.klg.jclass.table.JCTable.<init>(Unknown Source) | ||
| 13 | at com.klg.jclass.table.JCListTable.<init>(Unknown Source) | ||
| 14 | ... | ||
| 15 | |||
| 16 | {{/code}} | ||
| 17 | |||
| 18 | ==== Root Cause ==== | ||
| 19 | |||
| 20 | The problem is caused by an incompatibility of the configured Java Look&Feel with the graphics card driver. It can be sovled by using another Look&Feel. | ||
| 21 | |||
| 22 | ==== Solution ==== | ||
| 23 | |||
| 24 | 1. Edit the file **MIBDesigner3.cf** in your home directory. | ||
| 25 | 1. Remove the line that starts with **LookAndFeel=**. | ||
| 26 | 1. Save the file and restart MIB Designer. |