processing / processing/processing4
Opening `pde://` link on Windows 10 causes unexpected behavior
Open
Nobody has claimed this yet.
bug
- Dominant language
- Java
- Stars
- 494
- Forks
- 183
- Avg merge
- 4h 39m
- Merged PRs (30d)
- 3
Description
Most appropriate sub-area of Processing 4?
PDE
Processing version
4.4.1
Operating system
Windows 10
Steps to reproduce this
- Install Processing 4.4.1 with the
.msiinstaller. - Paste the
pde://link below in Chrome and press Enter. - Click "Open Processing" and wait for Processing to start.
- Notice that the PDE shows visual glitches and errors in the console.
snippet
pde://sketch/base64/LyoqCiAqIEFycmF5LiAKICogCiAqIEFuIGFycmF5IGlzIGEgbGlzdCBvZiBkYXRhLiBFYWNoIHBpZWNlIG9mIGRhdGEgaW4gYW4gYXJyYXkgCiAqIGlzIGlkZW50aWZpZWQgYnkgYW4gaW5kZXggbnVtYmVyIHJlcHJlc2VudGluZyBpdHMgcG9zaXRpb24gaW4gCiAqIHRoZSBhcnJheS4gQXJyYXlzIGFyZSB6ZXJvIGJhc2VkLCB3aGljaCBtZWFucyB0aGF0IHRoZSBmaXJzdCAKICogZWxlbWVudCBpbiB0aGUgYXJyYXkgaXMgWzBdLCB0aGUgc2Vjb25kIGVsZW1lbnQgaXMgWzFdLCBhbmQgc28gb24uIAogKiBJbiB0aGlzIGV4YW1wbGUsIGFuIGFycmF5IG5hbWVkICJjb3N3YXZlIiBpcyBjcmVhdGVkIGFuZAogKiBmaWxsZWQgd2l0aCB0aGUgY29zaW5lIHZhbHVlcy4gVGhpcyBkYXRhIGlzIGRpc3BsYXllZCB0aHJlZSAKICogc2VwYXJhdGUgd2F5cyBvbiB0aGUgc2NyZWVuLiAgCiAqLwoKCmZsb2F0W10gY29zd2F2ZTsgCgp2b2lkIHNldHVwKCkgewogIHNpemUoNjQwLCAzNjApOwogIGNvc3dhdmUgPSBuZXcgZmxvYXRbd2lkdGhdOwogIGZvciAoaW50IGkgPSAwOyBpIDwgd2lkdGg7IGkrKykgewogICAgZmxvYXQgYW1vdW50ID0gbWFwKGksIDAsIHdpZHRoLCAwLCBQSSk7CiAgICBjb3N3YXZlW2ldID0gYWJzKGNvcyhhbW91bnQpKTsKICB9CiAgYmFja2dyb3VuZCgyNTUpOwogIG5vTG9vcCgpOwp9Cgp2b2lkIGRyYXcoKSB7CgogIGludCB5MSA9IDA7CiAgaW50IHkyID0gaGVpZ2h0LzM7CiAgZm9yIChpbnQgaSA9IDA7IGkgPCB3aWR0aDsgaSsrKSB7CiAgICBzdHJva2UoY29zd2F2ZVtpXSoyNTUpOwogICAgbGluZShpLCB5MSwgaSwgeTIpOwogIH0KCiAgeTEgPSB5MjsKICB5MiA9IHkxICsgeTE7CiAgZm9yIChpbnQgaSA9IDA7IGkgPCB3aWR0aDsgaSsrKSB7CiAgICBzdHJva2UoY29zd2F2ZVtpXSoyNTUgLyA0KTsKICAgIGxpbmUoaSwgeTEsIGksIHkyKTsKICB9CiAgCiAgeTEgPSB5MjsKICB5MiA9IGhlaWdodDsKICBmb3IgKGludCBpID0gMDsgaSA8IHdpZHRoOyBpKyspIHsKICAgIHN0cm9rZSgyNTUgLSBjb3N3YXZlW2ldKjI1NSk7CiAgICBsaW5lKGksIHkxLCBpLCB5Mik7CiAgfQogIAp9?pde=
Additional context
Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 0
at processing.app.ui.EditorHeader.paintComponent(EditorHeader.java:238)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
at java.desktop/javax.swing.JSplitPane.paintChildren(Unknown Source)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintToOffscreen(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paint(Unknown Source)
at java.desktop/javax.swing.JComponent._paintImmediately(Unknown Source)
at java.desktop/javax.swing.JComponent.paintImmediately(Unknown Source)
at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Unknown Source)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Unknown Source)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
Would you like to work on the issue?
Maybe, with some guidance. But also happy to leave it to another contributor.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the Windows 10 flow by opening the provided pde:// link through Chrome after installing Processing 4.4.1 with the .msi installer. Start with processing.app.ui.EditorHeader.java at line 238 and inspect the reported ArrayIndexOutOfBoundsException. Done means the sketch opens without visual glitches or console errors.
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
- Clearly specified
- Newbie friendliness
- 52/100