javeme commented on PR #2043:
URL: 
https://github.com/apache/incubator-hugegraph/pull/2043#issuecomment-1336093592

   ci error:
   ```java
   Error: -02 09:29:17 [main] [ERROR] o.a.h.StandardHugeGraph - Failed to open 
schema transaction
   org.apache.hugegraph.backend.BackendException: Failed to obtain database info
        at 
org.apache.hugegraph.backend.store.mysql.MysqlSessions.existsDatabase(MysqlSessions.java:150)
 ~[hugegraph-mysql-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.backend.store.mysql.MysqlStore.open(MysqlStore.java:122) 
~[hugegraph-mysql-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.backend.tx.AbstractTransaction.<init>(AbstractTransaction.java:82)
 ~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.backend.tx.IndexableTransaction.<init>(IndexableTransaction.java:30)
 ~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.backend.tx.SchemaTransaction.<init>(SchemaTransaction.java:81)
 ~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.backend.cache.CachedSchemaTransaction.<init>(CachedSchemaTransaction.java:55)
 ~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.StandardHugeGraph.openSchemaTransaction(StandardHugeGraph.java:434)
 ~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.StandardHugeGraph.access$2700(StandardHugeGraph.java:112) 
~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.StandardHugeGraph$TinkerPopTransaction.getOrNewTransaction(StandardHugeGraph.java:1435)
 ~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.StandardHugeGraph$TinkerPopTransaction.doOpen(StandardHugeGraph.java:1344)
 ~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.tinkerpop.gremlin.structure.util.AbstractTransaction.open(AbstractTransaction.java:95)
 ~[gremlin-core-3.5.1.jar:3.5.1]
        at 
org.apache.tinkerpop.gremlin.structure.Transaction$READ_WRITE_BEHAVIOR$1.accept(Transaction.java:213)
 ~[gremlin-core-3.5.1.jar:3.5.1]
        at 
org.apache.tinkerpop.gremlin.structure.Transaction$READ_WRITE_BEHAVIOR$1.accept(Transaction.java:210)
 ~[gremlin-core-3.5.1.jar:3.5.1]
        at 
org.apache.tinkerpop.gremlin.structure.util.AbstractThreadLocalTransaction.doReadWrite(AbstractThreadLocalTransaction.java:92)
 ~[gremlin-core-3.5.1.jar:3.5.1]
        at 
org.apache.tinkerpop.gremlin.structure.util.AbstractTransaction.readWrite(AbstractTransaction.java:136)
 ~[gremlin-core-3.5.1.jar:3.5.1]
        at 
org.apache.hugegraph.StandardHugeGraph.systemTransaction(StandardHugeGraph.java:497)
 ~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.StandardHugeGraph.backendStoreInfo(StandardHugeGraph.java:249)
 ~[hugegraph-core-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.auth.HugeGraphAuthProxy.backendStoreInfo(HugeGraphAuthProxy.java:633)
 ~[hugegraph-api-1.0.0.jar:0.69.0.0]
        at org.apache.hugegraph.cmd.InitStore.initGraph(InitStore.java:102) 
~[hugegraph-dist-1.0.0.jar:1.0.0]
        at org.apache.hugegraph.cmd.InitStore.main(InitStore.java:83) 
~[hugegraph-dist-1.0.0.jar:1.0.0]
   Caused by: org.apache.hugegraph.backend.BackendException: Invalid driver 
class 'com.mysql.jdbc.Driver'
        at 
org.apache.hugegraph.backend.store.mysql.MysqlSessions.connect(MysqlSessions.java:288)
 ~[hugegraph-mysql-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.backend.store.mysql.MysqlSessions.openWithoutDB(MysqlSessions.java:194)
 ~[hugegraph-mysql-1.0.0.jar:1.0.0]
        at 
org.apache.hugegraph.backend.store.mysql.MysqlSessions.existsDatabase(MysqlSessions.java:141)
 ~[hugegraph-mysql-1.0.0.jar:1.0.0]
        ... 19 more
   ```


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