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NPE on a new project, if RLS is not detected in the system

See original GitHub issue

Windows 10 x64 + unstable latest Corrosion. I didn’t use RLS, and so it is not installed in the system. Reproduction: on a new project creation a window pops up which says the preferences are invalid, and prompts to change them. On pressing the preferences an “invalid values” message pops up, and no new preferences can be applied (Apply button is always disabled).

!ENTRY org.eclipse.jface 4 2 2019-04-29 12:31:40.927
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
java.lang.NullPointerException
	at java.util.regex.Matcher.getTextLength(Matcher.java:1283)
	at java.util.regex.Matcher.reset(Matcher.java:309)
	at java.util.regex.Matcher.<init>(Matcher.java:229)
	at java.util.regex.Pattern.matcher(Pattern.java:1093)
	at org.eclipse.corrosion.CorrosionPlugin.validateCommandVersion(CorrosionPlugin.java:121)
	at org.eclipse.corrosion.CorrosionPreferencePage.isRustupSectionValid(CorrosionPreferencePage.java:197)
	at org.eclipse.corrosion.CorrosionPreferencePage.isPageValid(CorrosionPreferencePage.java:144)
	at org.eclipse.corrosion.CorrosionPreferencePage.lambda$6(CorrosionPreferencePage.java:393)
	at org.eclipse.corrosion.ui.InputComponent.setValue(InputComponent.java:76)
	at org.eclipse.corrosion.CorrosionPreferencePage.initializeContent(CorrosionPreferencePage.java:125)
	at org.eclipse.corrosion.CorrosionPreferencePage.createContents(CorrosionPreferencePage.java:105)
	... etc

Issue Analytics

State:
Created 4 years ago
Comments:9 (4 by maintainers)

Top GitHub Comments

1reaction

snuk182commented, May 16, 2019

Reinstallation of RLS from the fresh Rust release helped, Corrosion does not error.

0reactions

norrucommented, May 16, 2019

Hi @snuk182, nice fix! Do you mind closing this issue if you are happy? Many thanks.

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