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via baidu.com by Unknown author, 1 year ago
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.
via Stack Overflow by Mona Jalal
, 1 year ago
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.
via GitHub by zengqicheng
, 1 year ago
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.
via hadooptutorial.info by Unknown author, 2 years ago
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.
via hadooptutorial.info by Unknown author, 2 years ago
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.
via hadooptutorial.info by Unknown author, 1 year ago
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.
java.net.ConnectException: Connection refused	at java.net.PlainSocketImpl.socketConnect(Native Method)	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)	at java.net.Socket.connect(Socket.java:579)	at java.net.Socket.connect(Socket.java:528)	at java.net.Socket.(Socket.java:425)	at java.net.Socket.(Socket.java:241)	at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:257)	at com.mysql.jdbc.MysqlIO.(MysqlIO.java:300)	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2393)	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2430)	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2215)	at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:813)	at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:334)	at java.sql.DriverManager.getConnection(DriverManager.java:571)	at java.sql.DriverManager.getConnection(DriverManager.java:187)	at com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:361)	at com.jolbox.bonecp.BoneCP.(BoneCP.java:416)	at com.jolbox.bonecp.BoneCPDataSource.getConnection(BoneCPDataSource.java:120)	at org.datanucleus.store.rdbms.ConnectionFactoryImpl$ManagedConnectionImpl.getConnection(ConnectionFactoryImpl.java:501)	at org.datanucleus.store.rdbms.RDBMSStoreManager.(RDBMSStoreManager.java:298)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)	at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:631)	at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:301)	at org.datanucleus.NucleusContext.createStoreManagerForProperties(NucleusContext.java:1187)	at org.datanucleus.NucleusContext.initialise(NucleusContext.java:356)	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:775)	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:333)	at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:202)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at javax.jdo.JDOHelper$16.run(JDOHelper.java:1965)	at java.security.AccessController.doPrivileged(Native Method)	at javax.jdo.JDOHelper.invoke(JDOHelper.java:1960)	at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1166)	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:808)	at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:701)	at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:365)	at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:394)	at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:291)	at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:258)	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)	at org.apache.hadoop.hive.metastore.RawStoreProxy.(RawStoreProxy.java:56)	at org.apache.hadoop.hive.metastore.RawStoreProxy.getProxy(RawStoreProxy.java:65)	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newRawStore(HiveMetaStore.java:579)	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:557)	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:610)	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:448)	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.(RetryingHMSHandler.java:66)	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:72)	at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5601)	at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.(HiveMetaStoreClient.java:193)	at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.(SessionHiveMetaStoreClient.java:74)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)	at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1486)	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.(RetryingMetaStoreClient.java:64)	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:74)	at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:2841)	at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:2860)	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:453)	at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:671)	at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:615)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.apache.hadoop.util.RunJar.run(RunJar.java:221)	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)