mycat2启动报错

错误日志:

```java
INFO   | jvm 1    | 2022/07/07 10:25:58 | path:D:\mycat\mycat\.\conf
INFO   | jvm 1    | 2022/07/07 10:25:58 | 2022-07-07 10:25:58,484[INFO]io.mycat.MycatCore.newMycatServer:209start VertxMycatServer
INFO   | jvm 1    | 2022/07/07 10:25:59 | 
INFO   | jvm 1    | 2022/07/07 10:25:59 | WrapperSimpleApp: Encountered an error running main: io.mycat.MycatException: ERROR-CODE: [MYCAT-3036][ERR_INIT_CONFIG] start FileMetadataStorageManager fail
INFO   | jvm 1    | 2022/07/07 10:25:59 | io.mycat.MycatException: ERROR-CODE: [MYCAT-3036][ERR_INIT_CONFIG] start FileMetadataStorageManager fail
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.beans.mycat.MycatErrorCode.createMycatException(MycatErrorCode.java:156)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.config.FileMetadataStorageManager.start(FileMetadataStorageManager.java:211)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.config.FileMetadataStorageManager.start(FileMetadataStorageManager.java:204)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.MycatCore.startServer(MycatCore.java:216)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.MycatCore.main(MycatCore.java:235)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at java.lang.reflect.Method.invoke(Method.java:498)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at org.tanukisoftware.wrapper.WrapperSimpleApp.run(WrapperSimpleApp.java:240)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at java.lang.Thread.run(Thread.java:748)
INFO   | jvm 1    | 2022/07/07 10:25:59 | Caused by: java.lang.NullPointerException
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at java.util.Objects.requireNonNull(Objects.java:203)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.replica.ReplicaSelectorRuntime.registerDatasource(ReplicaSelectorRuntime.java:195)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.replica.ReplicaSelectorRuntime.registerDatasource(ReplicaSelectorRuntime.java:262)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.replica.ReplicaSelectorRuntime.addCluster(ReplicaSelectorRuntime.java:245)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.replica.ReplicaSelectorRuntime.<init>(ReplicaSelectorRuntime.java:82)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.config.ConfigPrepareExecuter.fullInitBy(ConfigPrepareExecuter.java:181)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.config.ConfigPrepareExecuter.prepareRuntimeObject(ConfigPrepareExecuter.java:135)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.config.FileMetadataStorageManager.commitAndSyncDisk(FileMetadataStorageManager.java:271)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.config.FileMetadataStorageManager$1.commit(FileMetadataStorageManager.java:250)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     at io.mycat.config.FileMetadataStorageManager.start(FileMetadataStorageManager.java:209)
INFO   | jvm 1    | 2022/07/07 10:25:59 |     ... 9 more
INFO   | wrapper  | 2022/07/07 10:26:02 | Waiting to start...
STATUS | wrapper  | 2022/07/07 10:26:02 | <-- Wrapper Stopped
ERROR  | wrapper  | 2022/07/07 10:26:04 | The mycat2 service was launched, but failed to start.
STATUS | wrapper  | 2022/07/07 10:26:08 | The mycat2 Service is installed.
STATUS | wrapper  | 2022/07/07 10:26:08 |   Start Type: Automatic
STATUS | wrapper  | 2022/07/07 10:26:08 |   Interactive: No
STATUS | wrapper  | 2022/07/07 10:26:08 |   Running: No
```