Jpa Glassfish@PersistenceContext_Jpa_Glassfish_Eclipselink

Jpa Glassfish@PersistenceContext

jpa glassfish

Jpa Glassfish@PersistenceContext,jpa,glassfish,eclipselink,Jpa,Glassfish,Eclipselink,我在使用eclipse的JSF项目中有以下persistence.xml： <?xml version="1.0" encoding="UTF-8"?> <persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.

我在使用eclipse的JSF项目中有以下persistence.xml：

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
    <persistence-unit name="EnglishOnline" transaction-type="JTA">
        <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
        <class>org.englishonline.persistence.User</class>
        <properties>
            <property name="eclipselink.ddl-generation" value="create-tables" />
            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/englishonline" />
            <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
            <property name="javax.persistence.jdbc.user" value="root" />
            <property name="javax.persistence.jdbc.password" value="porcelainbus" />
        </properties>
    </persistence-unit>
</persistence>

但当我尝试在我的应用程序中提交按钮时，服务器日志显示：

  WARNING: RAR5117 : Failed to obtain/create connection from connection pool [ DerbyPool ]. Reason : com.sun.appserv.connectors.internal.api.PoolingException: Connection could not be allocated because: java.net.ConnectException : Connection to localhost port 1527  Connection refused: connect.
    WARNING: RAR5114 : Error allocating connection : [Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException : Connection refused: connect.]
    SEVERE: Local Exception Stack: 
    Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.0.v20110604-r9504): 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 : 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:582)
        at org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:206)
        at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:472)
        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:290)
        at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:275)
        at com.sun.enterprise.container.common.impl.EntityManagerWrapper._getDelegate(EntityManagerWrapper.java:218)
        at com.sun.enterprise.container.common.impl.EntityManagerWrapper.getTransaction(EntityManagerWrapper.java:857)
        at org.englishonline.backing.Login.performLogin(Login.java:34)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.sun.el.parser.AstValue.invoke(AstValue.java:234)
        at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
        at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
        at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
        at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
        at javax.faces.component.UICommand.broadcast(UICommand.java:315)
        at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
        at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
        at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
        at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
        at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
        at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
        at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
        at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
        at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
        at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
        at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
        at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
        at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
        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:662)
    Caused by: java.sql.SQLException: Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException : Ошибка соединения с сервером localhost на порту 1527 с сообщением Connection refused: connect.
        at com.sun.gjc.spi.base.DataSource.getConnection(DataSource.java:151)
        at org.eclipse.persistence.sessions.JNDIConnector.connect(JNDIConnector.java:132)
        ... 52 more
    Caused by: javax.resource.spi.ResourceAllocationException: Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException : Ошибка соединения с сервером localhost на порту 1527 с сообщением 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)
        ... 53 more

而JPA提供商什么也不做

您将事务类型指定为需要JTA数据源的JTA。如果希望指定jdbc.url并直接控制事务而不是使用JTA，则需要使用resource_local。

您将事务类型指定为JTA，这需要JTA数据源。如果您希望指定jdbc.url并直接控制事务，而不是使用JTA，则需要使用resource_local。

您的错误提醒了我。例如，端口1527是Derby+的本机端口我的服务器正在运行，数据库也在运行。您的错误提醒了我。例如，端口1527是Derby+的本机端口我的服务器正在运行，数据库也在运行。

  WARNING: RAR5117 : Failed to obtain/create connection from connection pool [ DerbyPool ]. Reason : com.sun.appserv.connectors.internal.api.PoolingException: Connection could not be allocated because: java.net.ConnectException : Connection to localhost port 1527  Connection refused: connect.
    WARNING: RAR5114 : Error allocating connection : [Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException : Connection refused: connect.]
    SEVERE: Local Exception Stack: 
    Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.0.v20110604-r9504): 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 : 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:582)
        at org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:206)
        at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:472)
        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:290)
        at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:275)
        at com.sun.enterprise.container.common.impl.EntityManagerWrapper._getDelegate(EntityManagerWrapper.java:218)
        at com.sun.enterprise.container.common.impl.EntityManagerWrapper.getTransaction(EntityManagerWrapper.java:857)
        at org.englishonline.backing.Login.performLogin(Login.java:34)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.sun.el.parser.AstValue.invoke(AstValue.java:234)
        at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
        at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
        at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
        at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
        at javax.faces.component.UICommand.broadcast(UICommand.java:315)
        at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
        at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
        at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
        at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
        at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
        at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
        at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
        at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
        at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
        at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
        at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
        at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
        at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
        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:662)
    Caused by: java.sql.SQLException: Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException : Ошибка соединения с сервером localhost на порту 1527 с сообщением Connection refused: connect.
        at com.sun.gjc.spi.base.DataSource.getConnection(DataSource.java:151)
        at org.eclipse.persistence.sessions.JNDIConnector.connect(JNDIConnector.java:132)
        ... 52 more
    Caused by: javax.resource.spi.ResourceAllocationException: Error in allocating a connection. Cause: Connection could not be allocated because: java.net.ConnectException : Ошибка соединения с сервером localhost на порту 1527 с сообщением 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)
        ... 53 more