com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'oa.dapartment' doesn't exis

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table ‘performance_schema.session_variables’ doesn’t exist
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
 at com.mysql.jdbc.Util.handleNewInstance(Util.java:389)
 at com.mysql.jdbc.Util.getInstance(Util.java:372)
 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:980)
 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3835)
 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3771)
 at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2435)
 at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2582)
 at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2531)
 at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2489)
 at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1446)
 at com.mysql.jdbc.ConnectionImpl.loadServerVariables(ConnectionImpl.java:3834)
 at com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3274)
 at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2283)
 at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2069)
 at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:794)
 at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:44)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
 at com.mysql.jdbc.Util.handleNewInstance(Util.java:389)
 at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)
 at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:325)
 at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175)
 at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220)
 at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206)
 at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:203)
 at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138)
 at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1125)
 at com.mchange.v2.resourcepool.BasicResourcePool.access $700(BasicResourcePool.java:44)  at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870)
 at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696)

会出现这几种情况：
第一种：SQL语句书写错误，可以重新书写SQL语句。
第二种：表名与配置文件中书写的不一致，或者书写错误。