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Type:
Task
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: Internal Code
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Labels:None
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Fully Compatible
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Platforms 2018-04-09
When using the Java driver to create an index on an embedded MongoDB cluster with the following code:
MongoClient mongoClient = /* code to get the client */; MongoCollection items = mongoClient.getDatabase("todo").getCollection("items"); items.createIndex(Indexes.ascending("task"));
I get the following exception:
com.mongodb.MongoCommandException: Command failed with error 238: 'Not implemented for embedded: operator()' on server 127.0.0.1:27017. The full response is { "ok" : 0.0, "errmsg" : "Not implemented for embedded: operator()", "code" : 238, "codeName" : "NotImplemented" }
I'm able to replicate the error using the following runCommand
MongoDatabase todoDB = mongoClient.getDatabase("todo"); todoDB.runCommand(new Document() .append("createIndexes", "items") .append("indexes", Arrays.asList(new Document() .append("key", new Document() .append("task", 1)) .append("name", "task_1")) ));
Equivalent to
db.runCommand(
{
createIndexes: "items",
indexes: [
{
key: {
"task": 1,
},
name: "task_1"
}
]
}
)
It seems to be an issue with the creation of any index, and I suspect it's hitting this line of code, but I haven't confirmed this: https://github.com/mongodb/mongo/blob/master/src/mongo/client/embedded/replication_coordinator_embedded.cpp#L331
If it would help, here's the full stacktrace:
Caused by: com.mongodb.MongoCommandException: Command failed with error 238: 'Not implemented for embedded: operator()' on server 127.0.0.1:27017. The full response is { "ok" : 0.0, "errmsg" : "Not implemented for embedded: operator()", "code" : 238, "codeName" : "NotImplemented" }
at com.mongodb.internal.connection.ProtocolHelper.getCommandFailureException(ProtocolHelper.java:164)
at com.mongodb.internal.connection.InternalStreamConnection.receiveCommandMessageResponse(InternalStreamConnection.java:293)
at com.mongodb.internal.connection.InternalStreamConnection.sendAndReceive(InternalStreamConnection.java:254)
at com.mongodb.internal.connection.CommandProtocolImpl.execute(CommandProtocolImpl.java:72)
at com.mongodb.embedded.client.EmbeddedServer$DefaultServerProtocolExecutor.execute(EmbeddedServer.java:141)
at com.mongodb.internal.connection.DefaultServerConnection.executeProtocol(DefaultServerConnection.java:269)
at com.mongodb.internal.connection.DefaultServerConnection.command(DefaultServerConnection.java:131)
at com.mongodb.internal.connection.DefaultServerConnection.command(DefaultServerConnection.java:123)
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:226)
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:217)
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:154)
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:147)
at com.mongodb.operation.CreateIndexesOperation$1.call(CreateIndexesOperation.java:174)
at com.mongodb.operation.CreateIndexesOperation$1.call(CreateIndexesOperation.java:169)
at com.mongodb.operation.OperationHelper.withConnectionSource(OperationHelper.java:462)
at com.mongodb.operation.OperationHelper.withConnection(OperationHelper.java:424)
at com.mongodb.operation.CreateIndexesOperation.execute(CreateIndexesOperation.java:169)
at com.mongodb.operation.CreateIndexesOperation.execute(CreateIndexesOperation.java:70)
at com.mongodb.client.internal.MongoClientDelegate$DelegateOperationExecutor.execute(MongoClientDelegate.java:151)
at com.mongodb.client.internal.MongoCollectionImpl.executeCreateIndexes(MongoCollectionImpl.java:739)
at com.mongodb.client.internal.MongoCollectionImpl.createIndexes(MongoCollectionImpl.java:722)
at com.mongodb.client.internal.MongoCollectionImpl.createIndexes(MongoCollectionImpl.java:717)
at com.mongodb.client.internal.MongoCollectionImpl.createIndex(MongoCollectionImpl.java:702)
at com.mongodb.client.internal.MongoCollectionImpl.createIndex(MongoCollectionImpl.java:697)
at com.mongodb.todo.TodoListActivity.onCreate(TodoListActivity.java:47)