mklzl opened a new issue, #1873: URL: https://github.com/apache/incubator-hugegraph/issues/1873
### Problem Type (问题类型) configs (配置项 / 文档相关) ### Before submit - [X] 我已经确认现有的 [Issues](https://github.com/hugegraph/hugegraph/issues) 与 [FAQ](https://hugegraph.github.io/hugegraph-doc/guides/faq.html) 中没有相同 / 重复问题 ### Environment (环境信息) - Server Version: v0.13 - Backend: palo - OS: Centos 7.6 ### Your Question (问题描述) When I initialized the backend storage using Palo, I found that the configuration did not load correctly hugegraph.properties backend=palo serializer=palo store=hugegraph ... palo.host=192.168.1.xxx palo.http_port=xxxx palo.username=root palo.password= palo.poll_interval=10 palo.temp_dir=./palo-data palo.file_limit_size=32 error info : > Initializing HugeGraph Store... 2022-05-12 11:47:39 [main] [INFO] c.b.h.u.ConfigUtil - Scanning option 'graphs' directory './conf/graphs' 2022-05-12 11:47:39 [main] [INFO] c.b.h.c.InitStore - Init graph with config file: ./conf/graphs/hugegraph.properties 2022-05-12 11:47:39 [main] [INFO] c.b.h.b.c.Cache - Init RamCache for 'users-hugegraph' with capacity 10240 2022-05-12 11:47:39 [main] [INFO] c.b.h.b.c.Cache - Init RamCache for 'users_pwd-hugegraph' with capacity 10240 2022-05-12 11:47:39 [main] [INFO] c.b.h.b.c.Cache - Init RamCache for 'token-hugegraph' with capacity 10240 2022-05-12 11:47:39 [main] [INFO] c.b.h.b.s.p.PaloStore - Open palo session pool for hugegraph/m 2022-05-12 11:47:40 [main] [INFO] c.b.h.b.s.m.MysqlStore - Connect to the jdbc url: 'jdbc:mysql://127.0.0.1:3306/?socketTimeout=0&useSSL=false' Exception in thread "main" com.baidu.hugegraph.HugeException: Failed to open schema transaction at com.baidu.hugegraph.StandardHugeGraph.openSchemaTransaction(StandardHugeGraph.java:417) at com.baidu.hugegraph.StandardHugeGraph.access$2600(StandardHugeGraph.java:112) at com.baidu.hugegraph.StandardHugeGraph$TinkerPopTransaction.getOrNewTransaction(StandardHugeGraph.java:1388) at com.baidu.hugegraph.StandardHugeGraph$TinkerPopTransaction.schemaTransaction(StandardHugeGraph.java:1364) at com.baidu.hugegraph.StandardHugeGraph$TinkerPopTransaction.access$100(StandardHugeGraph.java:1234) at com.baidu.hugegraph.StandardHugeGraph.schemaTransaction(StandardHugeGraph.java:470) at com.baidu.hugegraph.StandardHugeGraph.backendStoreSystemInfo(StandardHugeGraph.java:249) at com.baidu.hugegraph.cmd.InitStore.initGraph(InitStore.java:94) at com.baidu.hugegraph.cmd.InitStore.main(InitStore.java:79) 2022-05-12 11:47:40 [main] [ERROR] c.b.h.HugeGraph - Failed to open schema transaction com.baidu.hugegraph.backend.BackendException: Failed to obtain database info at com.baidu.hugegraph.backend.store.mysql.MysqlSessions.existsDatabase(MysqlSessions.java:150) ~[hugegraph-mysql-0.13.0.jar:?] at com.baidu.hugegraph.backend.store.mysql.MysqlStore.open(MysqlStore.java:122) ~[hugegraph-mysql-0.13.0.jar:?] at com.baidu.hugegraph.backend.tx.AbstractTransaction.<init>(AbstractTransaction.java:82) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.backend.tx.IndexableTransaction.<init>(IndexableTransaction.java:30) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.backend.tx.SchemaTransaction.<init>(SchemaTransaction.java:75) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.backend.cache.CachedSchemaTransaction.<init>(CachedSchemaTransaction.java:54) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.StandardHugeGraph.openSchemaTransaction(StandardHugeGraph.java:413) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.StandardHugeGraph.access$2600(StandardHugeGraph.java:112) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.StandardHugeGraph$TinkerPopTransaction.getOrNewTransaction(StandardHugeGraph.java:1388) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.StandardHugeGraph$TinkerPopTransaction.schemaTransaction(StandardHugeGraph.java:1364) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.StandardHugeGraph$TinkerPopTransaction.access$100(StandardHugeGraph.java:1234) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.StandardHugeGraph.schemaTransaction(StandardHugeGraph.java:470) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.StandardHugeGraph.backendStoreSystemInfo(StandardHugeGraph.java:249) ~[hugegraph-core-0.13.0.jar:0.13.0.0] at com.baidu.hugegraph.cmd.InitStore.initGraph(InitStore.java:94) ~[hugegraph-dist-0.13.0.jar:?] at com.baidu.hugegraph.cmd.InitStore.main(InitStore.java:79) ~[hugegraph-dist-0.13.0.jar:?] Caused by: com.baidu.hugegraph.backend.BackendException: Failed to access jdbc:mysql://127.0.0.1:3306/?socketTimeout=0&useSSL=false at com.baidu.hugegraph.backend.store.mysql.MysqlSessions.openWithoutDB(MysqlSessions.java:196) ~[hugegraph-mysql-0.13.0.jar:?] at com.baidu.hugegraph.backend.store.mysql.MysqlSessions.existsDatabase(MysqlSessions.java:141) ~[hugegraph-mysql-0.13.0.jar:?] ... 14 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_322] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_322] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_322] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_322] at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:341) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2186) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2219) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2014) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:776) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) ~[mysql-connector-java-5.1.45.jar:5.1.45] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_322] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_322] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_322] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_322] at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330) ~[mysql-connector-java-5.1.45.jar:5.1.45] at java.sql.DriverManager.getConnection(DriverManager.java:664) ~[?:1.8.0_322] at java.sql.DriverManager.getConnection(DriverManager.java:247) ~[?:1.8.0_322] at com.baidu.hugegraph.backend.store.mysql.MysqlSessions.connect(MysqlSessions.java:291) ~[hugegraph-mysql-0.13.0.jar:?] at com.baidu.hugegraph.backend.store.mysql.MysqlSessions.openWithoutDB(MysqlSessions.java:194) ~[hugegraph-mysql-0.13.0.jar:?] at com.baidu.hugegraph.backend.store.mysql.MysqlSessions.existsDatabase(MysqlSessions.java:141) ~[hugegraph-mysql-0.13.0.jar:?] ... 14 more Caused by: java.net.ConnectException: 拒绝连接 (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) ~[?:1.8.0_322] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[?:1.8.0_322] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_322] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_322] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_322] at java.net.Socket.connect(Socket.java:607) ~[?:1.8.0_322] at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2186) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2219) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2014) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:776) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) ~[mysql-connector-java-5.1.45.jar:5.1.45] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_322] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_322] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_322] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_322] at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386) ~[mysql-connector-java-5.1.45.jar:5.1.45] at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330) ~[mysql-connector-java-5.1.45.jar:5.1.45] at java.sql.DriverManager.getConnection(DriverManager.java:664) ~[?:1.8.0_322] at java.sql.DriverManager.getConnection(DriverManager.java:247) ~[?:1.8.0_322] at com.baidu.hugegraph.backend.store.mysql.MysqlSessions.connect(MysqlSessions.java:291) ~[hugegraph-mysql-0.13.0.jar:?] at com.baidu.hugegraph.backend.store.mysql.MysqlSessions.openWithoutDB(MysqlSessions.java:194) ~[hugegraph-mysql-0.13.0.jar:?] at com.baidu.hugegraph.backend.store.mysql.MysqlSessions.existsDatabase(MysqlSessions.java:141) ~[hugegraph-mysql-0.13.0.jar:?] ... 14 more ### Vertex/Edge example (问题点 / 边数据举例) _No response_ ### Schema [VertexLabel, EdgeLabel, IndexLabel] (元数据结构) _No response_ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@hugegraph.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
