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com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Too many connections	at sun.reflect.GeneratedConstructorAccessor413.newInstance(Unknown Source)	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:411)	at com.mysql.jdbc.Util.getInstance(Util.java:386)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1015)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4237)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4169)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:928)	at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1750)	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1290)	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2502)	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2535)	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2320)	at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:834)	at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:46)	at sun.reflect.GeneratedConstructorAccessor407.newInstance(Unknown Source)	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:411)	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416)	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:347)	at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:146)	at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:195)	at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:184)	at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:200)	at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1086)	at com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1073)	at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:44)	at com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1810)	at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:648)