[shardingsphere] branch master updated: Fix NPE when all data sources are unavailable (#21412)

[duanzhengqiang]

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duanzhengqiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/shardingsphere.git


The following commit(s) were added to refs/heads/master by this push:
     new ada66afa030 Fix NPE when all data sources are unavailable (#21412)
ada66afa030 is described below

commit ada66afa030693f7d83a72ca3918a90c78f75e56
Author: ZhangCheng <flyin...@outlook.com>
AuthorDate: Sun Oct 9 11:46:57 2022 +0800

    Fix NPE when all data sources are unavailable (#21412)
---
 .../infra/metadata/database/resource/ShardingSphereResource.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/resource/ShardingSphereResource.java
 
b/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/resource/ShardingSphereResource.java
index 43598b352d5..76b917fd30d 100644
--- 
a/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/resource/ShardingSphereResource.java
+++ 
b/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/resource/ShardingSphereResource.java
@@ -54,7 +54,7 @@ public final class ShardingSphereResource {
     }
     
     private DatabaseType getDatabaseType(final Map<String, DataSource> 
dataSources) {
-        return dataSources.isEmpty() ? null : 
DatabaseTypeEngine.getDatabaseType(dataSources.values());
+        return DatabaseTypeEngine.getDatabaseType(dataSources.values());
     }
     
     private Map<String, DataSourceMetaData> createDataSourceMetaDataMap(final 
Map<String, DataSource> dataSources) {