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Details

Type: Bug
Resolution: Fixed
Priority: Critical
Fix Version/s: 12.10.11, 13.4.6, 13.10.2, 14.0-rc-1
Affects Version/s: 13.4
Component/s: Flamingo Skin, Old Core
Labels:
None
Environment:
Windows 10 Pro 64 bit, Chrome 91, using a local instance of XWiki 13.4 (PostgreSQL 13/ Tomcat)

Difficulty:
Unknown
Documentation:
N/A
Documentation in Release Notes:
N/A
Similar issues:

Description

STEPS TO REPRODUCE

Login as Admin
Go to Administer Wiki > Users & Rights > Rights
Check 'Require unregistered users to solve a CAPTCHA when posting a comment on a page'
Create a page
On that page, go to Administer Page > Users & Rights > Rights: Page > Users
Grant 'Comment' right to Unregistered users
Logout
Add some comments as a guest user by filling the CAPTCHA

EXPECTED RESULTS

The comments are added successfully without errors.

ACTUAL RESULTS

Sometimes, when adding one comment after another, some errors are displayed in browser and console which prevent adding further comments in all wiki pages:

Error number 4001 in 4: Error while evaluating velocity template commentfield.vm

with the following error in console:

2021-06-04 12:48:44,413 [http-nio-8080-exec-7 - http://localhost:1113/bin/get/P1/?xpage=xpart&vm=commentfield.vm&number=&name=XWiki.XWikiComments_comment&content=hello3] ERROR c.x.x.XWiki                    - Error while evaluating velocity template [commentfield.vm]
org.xwiki.rendering.RenderingException: Failed to execute renderer
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:270)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
        at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
        at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
        at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2515)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2493)
        at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:997)
        at jdk.internal.reflect.GeneratedMethodAccessor195.invoke(Unknown Source)
        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$VelMethodImpl.doInvoke(UberspectImpl.java:571)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
        at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
        at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)
        at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
        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:280)
        at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
        at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
        at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
        at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
        at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
        at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2515)
        at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:605)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:286)
        at com.xpn.xwiki.web.LegacyActionServlet.service(LegacyActionServlet.java:104)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:122)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:201)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:544)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
        at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:364)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:616)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:831)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1629)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: org.xwiki.rendering.RenderingException: Failed to evaluate template with id [/skins/flamingo/commentfield.vm]
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:219)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
        at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
        ... 86 common frames omitted
Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with namespace [/templates/xpart.vm]
        at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:288)
        at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
        at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
        ... 92 common frames omitted
Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'put' in  class com.xpn.xwiki.objects.classes.BaseClass threw exception java.lang.NullPointerException at /templates/xpart.vm[line 56, column 39]
        at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:308)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:235)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
        at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:704)
        at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75)
        at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:242)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
        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:280)
        ... 95 common frames omitted
Caused by: java.lang.NullPointerException: null
        at com.xpn.xwiki.objects.classes.BaseClass.addField(BaseClass.java:195)
        at com.xpn.xwiki.objects.BaseCollection.safeput(BaseCollection.java:265)
        at com.xpn.xwiki.objects.classes.BaseClass.put(BaseClass.java:249)
        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:571)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
        ... 103 common frames omitted

and

Error number 4001 in 4: Error while evaluating velocity template commentsinline.vm

with the following error in console:

2021-06-04 12:24:40,323 [http-nio-8080-exec-5 - http://localhost:1113/bin/commentadd/PagC/WebHome?viewer=comments] ERROR o.a.v.d.null                   - Exception in macro #displayComment called at /templates/xpart.vm[line 144, column 1]
2021-06-04 12:24:40,323 [http-nio-8080-exec-5 - http://localhost:1113/bin/commentadd/PagC/WebHome?viewer=comments] ERROR o.a.v.d.null                   - Exception in macro #displayThread called at /templates/xpart.vm[line 426, column 1]
2021-06-04 12:24:40,325 [http-nio-8080-exec-5 - http://localhost:1113/bin/commentadd/PagC/WebHome?viewer=comments] ERROR c.x.x.XWiki                    - Error while evaluating velocity template [commentsinline.vm]
org.xwiki.rendering.RenderingException: Failed to execute renderer
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:270)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
        at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
        at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
        at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2515)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2493)
        at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:997)
        at jdk.internal.reflect.GeneratedMethodAccessor216.invoke(Unknown Source)
        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$VelMethodImpl.doInvoke(UberspectImpl.java:571)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
        at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
        at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)
        at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
        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:280)
        at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
        at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
        at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
        at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
        at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
        at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2515)
        at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
        at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:88)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:670)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:286)
        at com.xpn.xwiki.web.LegacyActionServlet.service(LegacyActionServlet.java:104)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:122)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:201)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:544)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
        at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:364)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:616)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:831)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1629)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: org.xwiki.rendering.RenderingException: Failed to evaluate template with id [/skins/flamingo/commentsinline.vm]
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:219)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
        at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
        ... 87 common frames omitted
Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with namespace [/templates/xpart.vm]
        at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:288)
        at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
        at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
        ... 93 common frames omitted
Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'resolveDocument' in  class org.xwiki.model.script.ModelScriptService threw exception java.lang.NullPointerException at /templates/xpart.vm[line 167, column 66]
        at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:308)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:235)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
        at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:704)
        at org.apache.velocity.runtime.parser.node.ASTComparisonNode.evaluate(ASTComparisonNode.java:72)
        at org.apache.velocity.runtime.parser.node.ASTAndNode.evaluate(ASTAndNode.java:115)
        at org.apache.velocity.runtime.parser.node.ASTAndNode.value(ASTAndNode.java:80)
        at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75)
        at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:242)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
        at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)
        at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
        at org.apache.velocity.runtime.directive.Foreach.renderBlock(Foreach.java:309)
        at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:279)
        at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
        at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:171)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
        at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)
        at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
        at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:171)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
        at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:190)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
        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:280)
        ... 96 common frames omitted
Caused by: java.lang.NullPointerException: null
        at org.xwiki.model.reference.EntityReference.<init>(EntityReference.java:88)
        at org.xwiki.model.reference.AbstractLocalizedEntityReference.<init>(AbstractLocalizedEntityReference.java:113)
        at org.xwiki.model.reference.DocumentReference.<init>(DocumentReference.java:71)
        at org.xwiki.model.script.ModelScriptService.resolveDocument(ModelScriptService.java:457)
        at jdk.internal.reflect.GeneratedMethodAccessor329.invoke(Unknown Source)
        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:571)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
        at org.xwiki.velocity.introspection.MethodArgumentsUberspector$ConvertingVelMethod.invoke(MethodArgumentsUberspector.java:201)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
        ... 128 common frames omitted

It is to be mentioned that the issue reproduces quite randomly and I didn't manage to reproduce it on XWiki 12.10.7 or 13.3.

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Error_commentfield.vm.png
80 kB
04/Jun/21 15:06
Error_commentsinline.vm.png
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04/Jun/21 15:06

Issue Links

is related to

XWIKI-19321 NPEs when adding comments with CAPTCHA as guest user which causes weird behavior, preventing adding further comments in all wiki pages

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Assignee:: Simon Urli

Reporter:: Ilie Andriuta

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 04/Jun/21 15:57

Updated:: 17/Jan/22 15:43

Resolved:: 20/Dec/21 15:33

Date of First Response:: 20/Dec/21 3:33 PM