init-store failed due to datapath and walpath error for rocksdb backend

[zhoney]

Initing HugeGraph Store...
2018-08-22 16:54:58 718 [main] [INFO ] com.baidu.hugegraph.cmd.InitStore [] - Init graph with config file: conf/hugegraph.properties
2018-08-22 16:54:58 819 [main] [INFO ] com.baidu.hugegraph.HugeGraph [] - Opening backend store 'rocksdb' for graph 'hugegraph'
2018-08-22 16:54:58 865 [main] [INFO ] com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore [] - Opening RocksDB with data path: ./rocksdb-data/schema
2018-08-22 16:54:59 1043 [main] [INFO ] com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore [] - Failed to open RocksDB './rocksdb-data/schema' with database 'hugegraph', try to init CF later
2018-08-22 16:54:59 1160 [main] [INFO ] com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore [] - Opening RocksDB with data path: ./rocksdb-data/system
2018-08-22 16:54:59 1217 [main] [INFO ] com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore [] - Failed to open RocksDB './rocksdb-data/system' with database 'hugegraph', try to init CF later
2018-08-22 16:54:59 1276 [main] [INFO ] com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore [] - Opening RocksDB with data path: ./rocksdb-data/graph
2018-08-22 16:54:59 1325 [main] [INFO ] com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore [] - Failed to open RocksDB './rocksdb-data/graph' with database 'hugegraph', try to init CF later
2018-08-22 16:54:59 1409 [main] [INFO ] com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore [] - Opening RocksDB with data path: ./edge_in/graph
2018-08-22 16:54:59 1411 [main] [ERROR] com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore [] - Failed to open RocksDB './edge_in/graph'
at com.baidu.hugegraph.backend.store.rocksdb.RocksDBStdSessions.(RocksDBStdSessions.java:113) ~[hugegraph-rocksdb-0.7.4.jar:?]
at com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore.openSessionPool(RocksDBStore.java:206) ~[hugegraph-rocksdb-0.7.4.jar:?]
at com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore.open(RocksDBStore.java:154) [hugegraph-rocksdb-0.7.4.jar:?]
at com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore.open(RocksDBStore.java:143) [hugegraph-rocksdb-0.7.4.jar:?]
at com.baidu.hugegraph.HugeGraph.initBackend(HugeGraph.java:187) [hugegraph-core-0.7.4.jar:0.7.4.0]
at com.baidu.hugegraph.cmd.InitStore.initBackend(InitStore.java:115) [hugegraph-dist-0.7.4.jar:?]
at com.baidu.hugegraph.cmd.InitStore.initGraph(InitStore.java:103) [hugegraph-dist-0.7.4.jar:?]
at com.baidu.hugegraph.cmd.InitStore.main(InitStore.java:86) [hugegraph-dist-0.7.4.jar:?]
Exception in thread "main" com.baidu.hugegraph.backend.BackendException: Failed to open RocksDB './edge_in/graph'
at com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore.open(RocksDBStore.java:186)
at com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore.open(RocksDBStore.java:143)
at com.baidu.hugegraph.HugeGraph.initBackend(HugeGraph.java:187)
at com.baidu.hugegraph.cmd.InitStore.initBackend(InitStore.java:115)
at com.baidu.hugegraph.cmd.InitStore.initGraph(InitStore.java:103)
at com.baidu.hugegraph.cmd.InitStore.main(InitStore.java:86)
Caused by: org.rocksdb.RocksDBException: While lock file: ./rocksdb-data/graph/LOCK: No locks available
at org.rocksdb.RocksDB.open(Native Method)
at org.rocksdb.RocksDB.open(RocksDB.java:286)
at com.baidu.hugegraph.backend.store.rocksdb.RocksDBStdSessions.(RocksDBStdSessions.java:113)
at com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore.openSessionPool(RocksDBStore.java:206)
at com.baidu.hugegraph.backend.store.rocksdb.RocksDBStore.open(RocksDBStore.java:154)
... 5 more