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Cannot read property 'slice' of undefined #2202
Description
[renderer1] [error] Cannot read property 'slice' of undefined: TypeError: Cannot read property 'slice' of undefined
at l.printTask (<projectpath>\data\extensions\redhat.java-1.0.0\dist\extension.js:2:646781)
at <projectpath>\data\extensions\redhat.java-1.0.0\dist\extension.js:2:646660
at Array.forEach (<anonymous>)
at l.printTasks (<projectpath>\data\extensions\redhat.java-1.0.0\dist\extension.js:2:646643)
at <projectpath>\data\extensions\redhat.java-1.0.0\dist\extension.js:2:646591
at a.fire (<projectpath>\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:66:1712)
at Object.u.updateServerTask (<projectpath>\data\extensions\redhat.java-1.0.0\dist\extension.js:2:648566)
at <projectpath>\data\extensions\redhat.java-1.0.0\dist\extension.js:2:666970
at <projectpath>\data\extensions\redhat.java-1.0.0\dist\extension.js:2:893886
at <projectpath>\data\extensions\redhat.java-1.0.0\dist\extension.js:2:894104
at Immediate._onImmediate (<projectpath>\data\extensions\redhat.java-1.0.0\dist\extension.js:2:895652)
at processImmediate (internal/timers.js:461:21)
Environment
- Operating System: Windows 10 Latest
- JDK version: 1.8-14
- Visual Studio Code version: 1.61.2
- Java extension version: v1.0.0
Steps To Reproduce
- Start VSCode with Language Support for Java(TM) by Red Hat extension
- Output -> Log(Window)
Activity
fbricon commentedon Nov 10, 2025
I believe this was fixed 3 years ago, by eclipse-jdtls/eclipse.jdt.ls@e64c205#diff-fd5c56b9cb5b5d6284eb995eb75b220631d55836ed4d7c5bc123bca9c7e1dbb9R184, which guarantees the token is non-null in all situations.