Failed to start database 'metastore_db' with class loader sun.misc.Launcher$AppClassLoader

ava.sql.SQLException: Failed to start database 'metastore_db' with class loader sun.misc.Launcher$AppClassLoader@7cca494b, see the next exception for details.
        at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection.bootDatabase(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection40.<init>(Unknown Source)
        at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
        at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
        at org.apache.derby.jdbc.Driver20.connect(Unknown Source)
        at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:208)
        at com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:361)
        at com.jolbox.bonecp.BoneCP.<init>(BoneCP.java:416)
        ... 48 more
Caused by: java.sql.SQLException: Failed to start database 'metastore_db' with class loader sun.misc.Launcher$AppClassLoader@7cca494b, see the next exception for details.
        at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
        ... 62 more
Caused by: java.sql.SQLException: Another instance of Derby may have already booted the database /root/metastore_db.
        at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
        at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
        ... 59 more
Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database /root/metastore_db.
        at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
        at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.privGetJBMSLockOnDB(Unknown Source)
        at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.getJBMSLockOnDB(Unknown Source)
        at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.boot(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
        at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
        at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
        at org.apache.derby.impl.store.raw.RawStore.boot(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
        at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
        at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
        at org.apache.derby.impl.store.access.RAMAccessManager.boot(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
        at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.startModule(Unknown Source)
        at org.apache.derby.iapi.services.monitor.Monitor.bootServiceModule(Unknown Source)
        at org.apache.derby.impl.db.BasicDatabase.bootStore(Unknown Source)
        at org.apache.derby.impl.db.BasicDatabase.boot(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.boot(Unknown Source)
        at org.apache.derby.impl.services.monitor.TopService.bootModule(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.startProviderService(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.findProviderAndStartService(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.startPersistentService(Unknown Source)
        at org.apache.derby.iapi.services.monitor.Monitor.startPersistentService(Unknown Source)

 

有hive进程在后台运行没有关闭， 使用 ps -aux|grep hive 命令 查看服务被哪个端口占用，并kill 对应端口

kill 502524