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via Oracle Community by 807541, 1 year ago
This exception has no message.
via Oracle Community by 807541, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at test5.client$1.getColumnClass(client.java:86)	at javax.swing.JTable.getColumnClass(JTable.java:1695)	at javax.swing.JTable.getCellRenderer(JTable.java:3512)	at javax.swing.JTable.getToolTipText(JTable.java:2303)	at javax.swing.ToolTipManager.mouseEntered(ToolTipManager.java:397)	at java.awt.AWTEventMulticaster.mouseEntered(AWTEventMulticaster.java:240)	at java.awt.Component.processMouseEvent(Component.java:3724)	at java.awt.Component.processEvent(Component.java:3544)	at java.awt.Container.processEvent(Container.java:1164)