Accessing Crowd's Applications Link page crashes with 500 Internal Server Error
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Attempting to access the Application Links page throws a 500 internal server error.
Environment
4.0.2
Diagnosis
When attempting to access the Application links page, Crowd returns an HTTP 500 internal server error message. Reviewing the
atlassian-crowd.log, we find the following:
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2021-05-25 16:21:18,916 http-nio-8095-exec-3 ERROR [[Catalina].[localhost].[/crowd].[servlet-module-container-servlet]] Servlet.service() for servlet [servlet-module-container-servlet] in context with path [/crowd] threw exception
com.atlassian.templaterenderer.RenderingException: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getOrphanedTrustCertificates' in class com.atlassian.applinks.ui.velocity.ListApplicationLinksContext threw exception java.lang.NullPointerException at com/atlassian/applinks/ui/admin/common_header.vm[line 7, column 20]
at com.atlassian.templaterenderer.velocity.one.six.internal.VelocityTemplateRendererImpl.render(VelocityTemplateRendererImpl.java:104)
at sun.reflect.GeneratedMethodAccessor1294.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343)
at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.doInvoke(ServiceInvoker.java:56)
at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.invoke(ServiceInvoker.java:60)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136)
at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invokeUnprivileged(ServiceTCCLInterceptor.java:70)
at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invoke(ServiceTCCLInterceptor.java:53)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.eclipse.gemini.blueprint.service.importer.support.LocalBundleContextAdvice.invoke(LocalBundleContextAdvice.java:57)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136)
at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)
....
Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getOrphanedTrustCertificates' in class com.atlassian.applinks.ui.velocity.ListApplicationLinksContext threw exception java.lang.NullPointerException at com/atlassian/applinks/ui/admin/common_header.vm[line 7, column 20]
at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:228)
at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:262)
at org.apache.velocity.runtime.parser.node.ASTReference.evaluate(ASTReference.java:470)
at org.apache.velocity.runtime.parser.node.ASTNotNode.evaluate(ASTNotNode.java:63)
at org.apache.velocity.runtime.parser.node.ASTAndNode.evaluate(ASTAndNode.java:104)
at org.apache.velocity.runtime.parser.node.ASTExpression.evaluate(ASTExpression.java:62)
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:85)
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
at org.apache.velocity.runtime.directive.Parse.render(Parse.java:263)
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
at org.apache.velocity.Template.merge(Template.java:328)
at org.apache.velocity.Template.merge(Template.java:235)
at com.atlassian.templaterenderer.velocity.one.six.internal.VelocityTemplateRendererImpl.render(VelocityTemplateRendererImpl.java:99)
... 170 more
Caused by: java.lang.NullPointerException
at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:877)
at com.atlassian.oauth.Consumer$InstanceBuilder.name(Consumer.java:214)
at com.atlassian.oauth.serviceprovider.sal.PluginSettingsServiceProviderConsumerStore.get(PluginSettingsServiceProviderConsumerStore.java:53)
at com.atlassian.oauth.serviceprovider.sal.PluginSettingsServiceProviderConsumerStore$1.apply(PluginSettingsServiceProviderConsumerStore.java:89)
at com.atlassian.oauth.serviceprovider.sal.PluginSettingsServiceProviderConsumerStore$1.apply(PluginSettingsServiceProviderConsumerStore.java:87)
at com.google.common.collect.Iterators$6.transform(Iterators.java:785)
at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:47)
Cause
This can be caused by corrupt application links in the database.
Solution
To resolve this issue, we'll want to clear out the application links in the database. Once this is done, we'll need to recreate the application links:
Stop the Crowd application.
⚠️Backup the Crowd Database⚠️
Run the following SQL queries.
1 2delete from cwd_property where property_name like '%com.atlassian.oauth.%'; delete from cwd_property where property_name like '%applink.%';Restart the Crowd application.
Recreate any application links that are needed.
Updated on April 24, 2025
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