diff --git a/src/main/java/com/ljsd/util/MyMongoDBPool.java b/src/main/java/com/ljsd/util/MyMongoDBPool.java index 48c6153..17c639b 100644 --- a/src/main/java/com/ljsd/util/MyMongoDBPool.java +++ b/src/main/java/com/ljsd/util/MyMongoDBPool.java @@ -74,7 +74,12 @@ public class MyMongoDBPool { } private DBObject findOne2(String collectionName, Object id) throws Exception { + LOGGER.info("the collection={},id={}",collectionName,id); DBCollection coll = db.getCollection(collectionName); + if(coll == null){ + LOGGER.info("the collection={},id={} is null",collectionName,id); + return null; + } return coll.findOne(id.toString()); }