CLIENT - unhandled error in GUI - NullPointerException
- Dominant language
- Java
- Stars
- 2.4k
- Forks
- 940
- Avg merge
- 2d 12h
- Merged PRs (30d)
- 160
Description
Error type: CLIENT - unhandled error in GUI - NullPointerException
Client version: 1.4.57-V2 (build: 2025-04-19 14:23)
Java version: 1.8.0_201
Default charset: UTF-8
NullPointerException - look at server or client logs for more details
Stack trace:
java.awt.Container.remove(Container.java:1264)
mage.client.cards.DragCardGrid.removeCardView(DragCardGrid.java:2085)
mage.client.cards.DragCardGrid.dragCardEnd(DragCardGrid.java:76)
mage.client.cards.CardDraggerGlassPane.handleDragEnd(CardDraggerGlassPane.java:159)
mage.client.cards.CardDraggerGlassPane.access$100(CardDraggerGlassPane.java:23)
mage.client.cards.CardDraggerGlassPane$2.mouseReleased(CardDraggerGlassPane.java:94)
java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:290)
java.awt.Component.processMouseEvent(Component.java:6539)
javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
java.awt.Component.processEvent(Component.java:6304)
and other 28 lines
Contributor guide
No contributing guide indexed for this repository
Research direction
Start in mage.client.cards.DragCardGrid.removeCardView at line 2085 and trace the drag-release path through dragCardEnd and CardDraggerGlassPane.handleDragEnd. Reproduce the GUI error using the reported client version and inspect the server or client logs for context. Done means ending a card drag no longer raises the reported NullPointerException.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- desktop
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100