Gatekeeper throwing Failed to initialize evaluator cache Null Pointer exceptions

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    • 18
    • Severity 3 - Minor
    • 4

      Summary

      After upgrading Confluence from 6.13.10 to v7.4.3, applications logs has been hammered with entries for `Failed to initialize evaluator cache`. It's unclear if the issue is caused by upgrade or something else.

      Steps to Reproduce

      Not clear yet

      Expected Results

      No errors in log

      Actual Results

      The application-logs is filled with below entries

      2020-09-13 16:49:34,518 ERROR [perm-delta-cache-receiver] [gatekeeper.evaluator.cache.CacheUpdateReceiver] error Failed to initialize evaluator cache
java.lang.NullPointerException
        at com.atlassian.confluence.plugins.gatekeeper.model.owner.TinyOwner.<init>(TinyOwner.java:54)
        at com.atlassian.confluence.plugins.gatekeeper.model.owner.TinyUser.<init>(TinyUser.java:17)
        at com.atlassian.confluence.plugins.gatekeeper.model.owner.TinyUser.<init>(TinyUser.java:13)
        at com.atlassian.confluence.plugins.gatekeeper.evaluator.cache.UserCache.loadUsersFromDirectory(UserCache.java:81)
        at com.atlassian.confluence.plugins.gatekeeper.evaluator.cache.UserCache.lambda$new$0(UserCache.java:55)
        at java.base/java.lang.Iterable.forEach(Iterable.java:75)
        at com.atlassian.confluence.plugins.gatekeeper.evaluator.cache.UserCache.<init>(UserCache.java:55)
        at com.atlassian.confluence.plugins.gatekeeper.evaluator.cache.EvaluatorCacheImpl.<init>(EvaluatorCacheImpl.java:75)
        at com.atlassian.confluence.plugins.gatekeeper.evaluator.cache.EvaluatorCacheFactoryImpl.lambda$createInstance$0(EvaluatorCacheFactoryImpl.java:38)
        at com.atlassian.sal.core.transaction.HostContextTransactionTemplate$1.doInTransaction(HostContextTransactionTemplate.java:21)
        at com.atlassian.sal.spring.component.SpringHostContextAccessor.lambda$doInTransaction$0(SpringHostContextAccessor.java:70)
        at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)
        at com.atlassian.sal.spring.component.SpringHostContextAccessor.doInTransaction(SpringHostContextAccessor.java:68)
        at com.atlassian.confluence.spring.transaction.interceptor.ConfluenceSpringHostContextAccessor.access$001(ConfluenceSpringHostContextAccessor.java:21)
        at com.atlassian.confluence.spring.transaction.interceptor.ConfluenceSpringHostContextAccessor.lambda$doInTransaction$3(ConfluenceSpringHostContextAccessor.java:72)
        at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContextInternal(VCacheRequestContextManager.java:84)
        at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContext(VCacheRequestContextManager.java:68)
        at com.atlassian.confluence.spring.transaction.interceptor.ConfluenceSpringHostContextAccessor.doInTransaction(ConfluenceSpringHostContextAccessor.java:72)
        at com.atlassian.sal.core.transaction.HostContextTransactionTemplate.execute(HostContextTransactionTemplate.java:18)
        at jdk.internal.reflect.GeneratedMethodAccessor298.invoke(Unknown Source)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at com.atlassian.plugin.util.ContextClassLoaderSettingInvocationHandler.invoke(ContextClassLoaderSettingInvocationHandler.java:26)
        at com.sun.proxy.$Proxy208.execute(Unknown Source)
        at jdk.internal.reflect.GeneratedMethodAccessor298.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.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)
        at com.sun.proxy.$Proxy2739.execute(Unknown Source)
        at com.atlassian.confluence.plugins.gatekeeper.evaluator.cache.EvaluatorCacheFactoryImpl.createInstance(EvaluatorCacheFactoryImpl.java:36)
        at com.atlassian.confluence.plugins.gatekeeper.evaluator.cache.CacheUpdateReceiver.initCache(CacheUpdateReceiver.java:85)
        at com.atlassian.confluence.plugins.gatekeeper.evaluator.cache.CacheUpdateReceiver.processAnyEvents(CacheUpdateReceiver.java:113)
        at com.atlassian.confluence.plugins.gatekeeper.evaluator.cache.CacheUpdateReceiver.run(CacheUpdateReceiver.java:98)
        at java.base/java.lang.Thread.run(Thread.java:834)

      Workaround

      Workaround 1

      Run the query to fix "cwd_table" table (update null values):

      update cwd_user set display_name = '' where display_name is null

      Workaround 2

      Disable Gatekeeper plugin

       

            Assignee:
            Unassigned
            Reporter:
            Chandu
            Votes:
            6 Vote for this issue
            Watchers:
            6 Start watching this issue

              Created:
              Updated: