Details
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Bug
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Resolution: Unresolved
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Major
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None
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8.4.6, 11.10.3, 12.0
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None
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None
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Windows 10 Pro 64 bit, Chrome 79, using a local instance XWiki 12.0 on PostgreSQL 12
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Unknown
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Description
STEPS TO REPRODUCE
- Login as Admin
- Create an user on Main Wiki (e.g. U1)
- Create a subwiki with User Scope 'Both global and local users are available in the wiki'
- On subwiki, go to Administer Wiki > Users & Rights > Users
- Under 'Add or invite users to wiki', select the user from Main Wiki (U1)
- Click 'Invite'
- Under 'Candidates', click 'Cancel Invitation'
- Refresh the page (F5) and confirm form re-submission on the browser (if the case)
EXPECTED RESULTS
The page is refreshed properly, no errors are displayed.
ACTUAL RESULTS
A NPE error is displayed on the page:
Failed to execute the [velocity] macro. Cause: [null]. Click on this message for details.
Partial stacktrace:
Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with namespace [subwikiadmin:XWiki.AdminSheet] at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:289) at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316) at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131) ... 120 more Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getCandidacy' in class org.xwiki.wiki.user.script.WikiUserManagerScriptService threw exception java.lang.NullPointerException at subwikiadmin:XWiki.AdminSheet[line 112, column 46] at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:306) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:233) at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369) at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:701) at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:72) at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:240) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144) at org.apache.velocity.runtime.parser.node.ASTElseIfStatement.render(ASTElseIfStatement.java:104) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:172) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:172) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423) at org.apache.velocity.Template.merge(Template.java:358) at org.apache.velocity.Template.merge(Template.java:262) at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:281) ... 122 more Caused by: java.lang.NullPointerException at org.xwiki.wiki.user.internal.DefaultWikiUserManager.readCandidacyFromObject(DefaultWikiUserManager.java:328) at org.xwiki.wiki.user.internal.DefaultWikiUserManager.getCandidacy(DefaultWikiUserManager.java:425) at org.xwiki.wiki.user.script.WikiUserManagerScriptService.getCandidacy(WikiUserManagerScriptService.java:365) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219) ... 137 more
Full stacktrace here: https://up1.xwikisas.com/#Lo1YwW2HJilmJtO_f4gReQ
Reproduced also on XWiki 11.10.3 and XWiki 8.4.6.
