Jpa 持久性不是使用给定的端口连接MySQL数据库

我正在尝试从我的JEE应用程序连接到mysql数据库——在部署期间，我遇到了一个错误——连接被拒绝（但在1527端口上的信息被拒绝）。我不知道出了什么问题，也不知道为什么会有人试图在1527年连接到我的数据库

我创建了以下小型persistence.xml：

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
    <persistence-unit name="appDB" transaction-type="RESOURCE_LOCAL">
        <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
        <properties>
            <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/"/>
            <property name="javax.persistence.jdbc.user" value="root"/>
            <property name="javax.persistence.jdbc.password" value="XXX"/>
            <property name="javax.persistence.jdbc.database-product-name" value="proguard"/>
        </properties>
    </persistence-unit>
</persistence>

org.eclipse.persistence.jpa.PersistenceProvider

和一个EJB类：

package ejb;

import entity.User;

import javax.ejb.Stateless;
import javax.inject.Inject;
import javax.inject.Named;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceUnit;
import javax.persistence.Query;
import java.util.List;

@Named
@Stateless
public class UserEJB {

    @PersistenceUnit(unitName = "appDB")
    EntityManager em;

    public User createNew(User user) {
        em.persist(user);
        return user;
    }

    public List<User> findAll(){
        Query q = em.createNamedQuery("findAll", User.class);
        @SuppressWarnings("unchecked")
        List<User> result = q.getResultList();
        return result;
    }

    public User findById(Long id){
        Query q = em.createNativeQuery("findById", User.class).setParameter("fid", id);
        User result = (User) q.getResultList().get(0);
        return result;
    }
}

封装ejb；
导入实体。用户；
导入javax.ejb.Stateless；
导入javax.inject.inject；
导入javax.inject.Named；
导入javax.persistence.EntityManager；
导入javax.persistence.PersistenceUnit；
导入javax.persistence.Query；
导入java.util.List；
@命名
@无国籍
公共类用户EJB{
@PersistenceUnit（unitName=“appDB”）
实体管理器；
公共用户createNew（用户）{
em.persist（用户）；
返回用户；
}
公共列表findAll（）{
Query q=em.createNamedQuery（“findAll”，User.class）；
@抑制警告（“未选中”）
List result=q.getResultList（）；
返回结果；
}
公共用户findById（长id）{
Query q=em.createNativeQuery（“findById”，User.class）.setParameter（“fid”，id）；
用户结果=（用户）q.getResultList（）.get（0）；
返回结果；
}
}

在Glassfish上部署后出现错误堆栈：

[#|2015-10-31T15:55:22.831+0100|WARNING|glassfish3.1.2|javax.enterprise.resource.resourceadapter.com.sun.gjc.spi|_ThreadID=41;_ThreadName=Thread-2;|RAR5114 : Error allocating connection : [Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.]|#]

[#|2015-10-31T15:55:22.832+0100|SEVERE|glassfish3.1.2|org.eclipse.persistence.session.file:/C:/Moje programy/Java/glassfish3/glassfish/domains/domain1/applications/helloworld/WEB-INF/classes/_appDB.ejb|_ThreadID=41;_ThreadName=Thread-2;|Local Exception Stack: 
Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.2.v20111125-r10461): org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: java.sql.SQLException: Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.
Error Code: 0
    at org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:309)
    at org.eclipse.persistence.sessions.JNDIConnector.connect(JNDIConnector.java:135)
    at org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162)
    at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:584)
    at org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:206)
    at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:488)
    at org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getDatabaseSession(EntityManagerFactoryDelegate.java:188)
    at org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.createEntityManagerImpl(EntityManagerFactoryDelegate.java:277)
    at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:294)
    at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:272)
    at org.glassfish.persistence.jpa.PersistenceUnitLoader.loadPU(PersistenceUnitLoader.java:211)
    at org.glassfish.persistence.jpa.PersistenceUnitLoader.<init>(PersistenceUnitLoader.java:120)
    at org.glassfish.persistence.jpa.JPADeployer$1.visitPUD(JPADeployer.java:224)
    at org.glassfish.persistence.jpa.JPADeployer$PersistenceUnitDescriptorIterator.iteratePUDs(JPADeployer.java:495)
    at org.glassfish.persistence.jpa.JPADeployer.createEMFs(JPADeployer.java:233)
    at org.glassfish.persistence.jpa.JPADeployer.prepare(JPADeployer.java:168)
    at com.sun.enterprise.v3.server.ApplicationLifecycle.prepareModule(ApplicationLifecycle.java:871)
    at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:410)
    at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:240)
    at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:389)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:348)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:363)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1085)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1200(CommandRunnerImpl.java:95)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1291)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1259)
    at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:461)
    at com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:212)
    at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:179)
    at com.sun.enterprise.v3.server.HK2Dispatcher.dispath(HK2Dispatcher.java:117)
    at com.sun.enterprise.v3.services.impl.ContainerMapper$Hk2DispatcherCallable.call(ContainerMapper.java:354)
    at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
    at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849)
    at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746)
    at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045)
    at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228)
    at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
    at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
    at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
    at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
    at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
    at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
    at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
    at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
    at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.SQLException: Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.
    at com.sun.gjc.spi.base.DataSource.getConnection(DataSource.java:151)
    at org.eclipse.persistence.sessions.JNDIConnector.connect(JNDIConnector.java:132)
    ... 44 more
Caused by: javax.resource.spi.ResourceAllocationException: Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.
    at com.sun.enterprise.connectors.ConnectionManagerImpl.internalGetConnection(ConnectionManagerImpl.java:307)
    at com.sun.enterprise.connectors.ConnectionManagerImpl.allocateConnection(ConnectionManagerImpl.java:190)
    at com.sun.enterprise.connectors.ConnectionManagerImpl.allocateConnection(ConnectionManagerImpl.java:165)
    at com.sun.enterprise.connectors.ConnectionManagerImpl.allocateConnection(ConnectionManagerImpl.java:160)
    at com.sun.gjc.spi.base.DataSource.getConnection(DataSource.java:145)
    ... 45 more
Caused by: com.sun.appserv.connectors.internal.api.PoolingException: Connection could not be allocated because: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.
    at com.sun.enterprise.resource.pool.datastructure.RWLockDataStructure.addResource(RWLockDataStructure.java:103)
    at com.sun.enterprise.resource.pool.ConnectionPool.addResource(ConnectionPool.java:282)
    at com.sun.enterprise.resource.pool.ConnectionPool.createResourceAndAddToPool(ConnectionPool.java:1512)
    at com.sun.enterprise.resource.pool.ConnectionPool.createResources(ConnectionPool.java:944)
    at com.sun.enterprise.resource.pool.ConnectionPool.initPool(ConnectionPool.java:230)
    at com.sun.enterprise.resource.pool.ConnectionPool.internalGetResource(ConnectionPool.java:511)
    at com.sun.enterprise.resource.pool.ConnectionPool.getResource(ConnectionPool.java:381)
    at com.sun.enterprise.resource.pool.PoolManagerImpl.getResourceFromPool(PoolManagerImpl.java:245)
    at com.sun.enterprise.resource.pool.PoolManagerImpl.getResource(PoolManagerImpl.java:170)
    at com.sun.enterprise.connectors.ConnectionManagerImpl.getResource(ConnectionManagerImpl.java:338)
    at com.sun.enterprise.connectors.ConnectionManagerImpl.internalGetConnection(ConnectionManagerImpl.java:301)
    ... 49 more
Caused by: com.sun.appserv.connectors.internal.api.PoolingException: Connection could not be allocated because: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.
    at com.sun.enterprise.resource.pool.ConnectionPool.createSingleResource(ConnectionPool.java:924)
    at com.sun.enterprise.resource.pool.ConnectionPool.createResource(ConnectionPool.java:1189)
    at com.sun.enterprise.resource.pool.datastructure.RWLockDataStructure.addResource(RWLockDataStructure.java:98)
    ... 59 more
Caused by: com.sun.appserv.connectors.internal.api.PoolingException: Connection could not be allocated because: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.
    at com.sun.enterprise.resource.allocator.LocalTxConnectorAllocator.createResource(LocalTxConnectorAllocator.java:110)
    at com.sun.enterprise.resource.pool.ConnectionPool.createSingleResource(ConnectionPool.java:907)
    ... 61 more
Caused by: javax.resource.spi.ResourceAllocationException: Connection could not be allocated because: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.
    at com.sun.gjc.spi.DSManagedConnectionFactory.createManagedConnection(DSManagedConnectionFactory.java:129)
    at com.sun.enterprise.resource.allocator.LocalTxConnectorAllocator.createResource(LocalTxConnectorAllocator.java:87)
    ... 62 more
Caused by: java.sql.SQLNonTransientConnectionException: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.
    at org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(Unknown Source)
    at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
    at org.apache.derby.jdbc.ClientDataSource.getConnection(Unknown Source)
    at com.sun.gjc.spi.DSManagedConnectionFactory.createManagedConnection(DSManagedConnectionFactory.java:117)
    ... 63 more
Caused by: org.apache.derby.client.am.DisconnectException: java.net.ConnectException: Błąd podczas łączenia z serwerem localhost na porcie 1527 z komunikatem Connection refused: connect.
    at org.apache.derby.client.net.NetAgent.<init>(Unknown Source)
    at org.apache.derby.client.net.NetConnection.newAgent_(Unknown Source)
    at org.apache.derby.client.am.Connection.initConnection(Unknown Source)
    at org.apache.derby.client.am.Connection.<init>(Unknown Source)
    at org.apache.derby.client.net.NetConnection.<init>(Unknown Source)
    at org.apache.derby.client.net.NetConnection40.<init>(Unknown Source)
    at org.apache.derby.client.net.ClientJDBCObjectFactoryImpl40.newNetConnection(Unknown Source)
    at org.apache.derby.jdbc.ClientDataSource.getConnectionX(Unknown Source)
    ... 65 more
Caused by: java.net.ConnectException: Connection refused: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
    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.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    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.<init>(Socket.java:425)
    at java.net.Socket.<init>(Socket.java:208)
    at javax.net.DefaultSocketFactory.createSocket(SocketFactory.java:271)
    at org.apache.derby.client.net.OpenSocketAction.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    ... 73 more
|#]

[#| 2015-10-31T15:55:22.831+0100 |警告| glassfish3.1.2 | javax.enterprise.resource.resourceadapter.com.sun.gjc.spi | u ThreadID=41；| u ThreadName=Thread-2；| RAR5114:分配连接时出错：[分配连接时出错。原因：无法分配连接，因为：java.net.ConnectException:Błąd podczasłczenia z serwerem localhost na porcie 1527 z komunikatem连接被拒绝：connect.]
[#| 2015-10-31T15:55:22.832+0100 | SEVERE | glassfish3.1.2 | org.eclipse.persistence.session.file:/C:/Moje programy/Java/glassfish3/glassfish/domains/domain1/applications/helloworld/WEB-INF/classes/_appDB.ejb | | u ThreadID=41；| u ThreadName=Thread-2；|本地异常堆栈：
异常[EclipseLink-4002]（Eclipse持久性服务-2.3.2.v20111125-r10461）：org.Eclipse.Persistence.exceptions.DatabaseException
内部异常：java.sql.SQLException:分配连接时出错。原因：无法分配连接，因为：java.net.ConnectException:Błąd podczasłczenia z serwerem localhost na porcie 1527 z komunikatem连接被拒绝：connect。
错误代码：0
位于org.eclipse.persistence.exceptions.DatabaseException.sqlException（DatabaseException.java:309）
位于org.eclipse.persistence.sessions.JNDIConnector.connect（JNDIConnector.java:135）
位于org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource（DatasourceLogin.java:162）
位于org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginandetectdatasource（DatabaseSessionImpl.java:584）
位于org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login（EntityManagerFactoryProvider.java:206）
位于org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy（EntityManagerSetupImpl.java:488）
位于org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getDatabaseSession（EntityManagerFactoryDelegate.java:188）
位于org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.createEntityManagerImpl（EntityManagerFactoryDelegate.java:277）
位于org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl（EntityManagerFactoryImpl.java:294）
位于org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager（EntityManagerFactoryImpl.java:272）
位于org.glassfish.persistence.jpa.PersistenceUnitLoader.loadPU（PersistenceUnitLoader.java:211）
位于org.glassfish.persistence.jpa.PersistenceUnitLoader（PersistenceUnitLoader.java:120）
位于org.glassfish.persistence.jpa.JPADeployer$1.visitPUD（JPADeployer.java:224）
位于org.glassfish.persistence.jpa.JPADeployer$PersistenceUnitDescriptorIterator.iteratePUDs（JPADeployer.java:495）
位于org.glassfish.persistence.jpa.JPADeployer.createEMFs（JPADeployer.java:233）
位于org.glassfish.persistence.jpa.JPADeployer.prepare（JPADeployer.java:168）
在com.sun.enterprise.v3.server.ApplicationLifecycle.prepareModule（ApplicationLifecycle.java:871）上
位于com.sun.enterprise.v3.server.ApplicationLifecycle.deploy（ApplicationLifecycle.java:410）
位于com.sun.enterprise.v3.server.ApplicationLifecycle.deploy（ApplicationLifecycle.java:240）
位于org.glassfish.deployment.admin.DeployCommand.execute（DeployCommand.java:389）
位于com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute（CommandRunnerImpl.java:348）
位于com.sun.enterprise.v3.admin.CommandRunnerImpl.docomand（CommandRunnerImpl.java:363）
位于com.sun.enterprise.v3.admin.CommandRunnerImpl.docomand（CommandRunnerImpl.java:1085）
com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1200（CommandRunnerImpl.java:95）
位于com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute（CommandRunnerImpl.java:1291）
位于com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute（CommandRunnerImpl.java:1259）
位于com.sun.enterprise.v3.admin.AdminAdapter.docomand（adminapter.java:461）
在com.sun.enterprise.v3.admin.adminapter.service（adminapter.java:212）上
位于com.sun.grizzly.tcp.http11.GrizzlyAdapter.service（GrizzlyAdapter.java:179）
位于com.sun.enterprise.v3.server.HK2Dispatcher.dispatcher（HK2Dispatcher.java:117）
com.sun.enterprise.v3.services.impl.ContainerMapper$Hk2DispatcherCallable.call（ContainerMapper.java:354）
位于com.sun.enterprise.v3.services.impl.ContainerMapper.service（ContainerMapper.java:195）
在com.sun.grizzly.http.ProcessorTask.invokeAdapter（ProcessorTask.java:849）上
在com.sun.grizzly.http.ProcessorTask.doProcess（ProcessorTask.java:746）
位于com.sun.grizzly.http.ProcessorTask.process（ProcessorTask.java:10