問題描述
org.bson.codecs.configuration.CodecConfigurationException:找不到類 [Ljava.lang.String; 的編解碼器; (org.bson.codecs.configuration.CodecConfigurationException: Can't find a codec for class [Ljava.lang.String;)
我想運行以下命令以使用 MongoDB Java 驅動程序創建用戶,
client = new MongoClient(mongoClientURI);
MongoDatabase database = client.getDatabase("db_1");
Document createUserCommand = new Document();
createUserCommand.put("createUser", "abc");
createUserCommand.put("pwd", "abc");
createUserCommand.put("roles", new String[]{"userAdmin", "read", "readWrite", "dbAdmin", "dbOwner"}); database.runCommand(createUserCommand);
但發生以下異常:
Exception in thread "main" org.bson.codecs.configuration.CodecConfigurationException: Can't find a codec for class [Ljava.lang.String;.
at org.bson.codecs.configuration.CodecCache.getOrThrow(CodecCache.java:46)
at org.bson.codecs.configuration.ProvidersCodecRegistry.get(ProvidersCodecRegistry.java:63)
at org.bson.codecs.configuration.ChildCodecRegistry.get(ChildCodecRegistry.java:51)
at org.bson.codecs.DocumentCodec.writeValue(DocumentCodec.java:174)
at org.bson.codecs.DocumentCodec.writeMap(DocumentCodec.java:189)
at org.bson.codecs.DocumentCodec.encode(DocumentCodec.java:131)
at org.bson.codecs.DocumentCodec.encode(DocumentCodec.java:45)
at org.bson.codecs.BsonDocumentWrapperCodec.encode(BsonDocumentWrapperCodec.java:63)
查看角色字段,它是一個數組導致這個問題,可以看看這個問題嗎?謝謝
參考解法
方法 1:
createUserCommand.put("roles", new String[]{"userAdmin", "read", "readWrite", "dbAdmin", "dbOwner"});
database.runCommand(createUserCommand);
should be
List<String> roles = new ArrayList<String>();
roles.add("userAdmin); ... createUserCommand.put("roles", roles); database.runCommand(createUserCommand);
Looks like it support List, not Array, which is really ugl
參考文件
- [org.bson.codecs.configuration.CodecConfigurationException: Can't find a codec for class Ljava.lang.String; (CC BY‑SA 2.5/3.0/4.0)