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Samebug tips

  1. ,

    This happened when I tried to insert an empty list of elements to a MongoDB collection.

  2. ,
    via JIRA by Stephan Schroevers

    You try to insert an empty list into MongoDB before 3.5.0 .

    Check that the inserted list is not empty or upgrade your server.

Solutions on the web

via JIRA by Nazar Volynets, 1 year ago
via GitHub by harrychan
, 2 years ago
'ok' should never be null...
via Google Groups by sagar, 2 years ago
via Stack Overflow by Sagar Varpe
, 2 years ago
'ok' should never be null...
via Google Groups by sagar, 2 years ago
'ok' should never be null...
via Google Groups by Joel Westberg, 2 years ago
java.lang.IllegalArgumentException: 'ok' should never be null...	at com.mongodb.CommandResult.ok(CommandResult.java:43)	at com.mongodb.CommandResult.throwOnError(CommandResult.java:109)	at com.mongodb.DBTCPConnector._checkWriteError(DBTCPConnector.java:102)	at com.mongodb.DBTCPConnector.say(DBTCPConnector.java:142)	at com.mongodb.DBTCPConnector.say(DBTCPConnector.java:115)	at com.mongodb.DBApiLayer$MyCollection.insert(DBApiLayer.java:248)	at com.mongodb.DBApiLayer$MyCollection.insert(DBApiLayer.java:204)	at com.mongodb.DBCollection.insert(DBCollection.java:76)	at com.mongodb.DBCollection.insert(DBCollection.java:60)	at com.mongodb.DBCollection.insert(DBCollection.java:119)	at com.llnw.edge.query.loader.UniquenessDaoImpl.insertAsStringSafe(UniquenessDaoImpl.java:76)	at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)	at org.springframework.retry.interceptor.RetryOperationsInterceptor$1.doWithRetry(RetryOperationsInterceptor.java:69)	at com.llnw.edge.query.loader.RetryTemplate.doExecute(RetryTemplate.java:245)	at com.llnw.edge.query.loader.RetryTemplate.execute(RetryTemplate.java:138)	at org.springframework.retry.interceptor.RetryOperationsInterceptor.invoke(RetryOperationsInterceptor.java:90)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)	at $Proxy0.insertAsStringSafe(Unknown Source)	at com.llnw.edge.query.loader.UniquenessLoadManager$AddUUIDTask$7.add(UniquenessLoadManager.java:329)	at com.llnw.edge.query.loader.UniquenessLoadManager$AddUUIDTask.run(UniquenessLoadManager.java:385)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)	at java.util.concurrent.FutureTask.run(FutureTask.java:138)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)	at java.lang.Thread.run(Thread.java:662)