javax.persistence.PersistenceException：找不到扫描程序类

时间：2019-03-18 12:46:56

标签： java hibernate java-ee persistence

我有一个使用Thymeleaf构建的Web应用程序，我想将其与SqlServer DB连接；我创建了persistence.xml并被识别，但是在服务器启动期间，我有下一个跟踪：

13:35:01,355 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 50) MSC000001: Failed to start service jboss.persistenceunit."vp301b-ear.ear/vp301b.war#unidadPersistencia": org.jboss.msc.service.StartException in service jboss.persistenceunit."vp301b-ear.ear/vp301b.war#unidadPersistencia": javax.persistence.PersistenceException: Cannot find scanner class. hibernate.ejb.resource_scanner=org.jboss.as.jpa.hibernate4.HibernateAnnotationScanner
    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:103) [jboss-as-jpa-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [rt.jar:1.7.0_80]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [rt.jar:1.7.0_80]
    at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_80]
    at org.jboss.threads.JBossThread.run(JBossThread.java:122) [jboss-threads-2.1.2.Final-redhat-1.jar:2.1.2.Final-redhat-1]
Caused by: javax.persistence.PersistenceException: Cannot find scanner class. hibernate.ejb.resource_scanner=org.jboss.as.jpa.hibernate4.HibernateAnnotationScanner
    at org.hibernate.ejb.Ejb3Configuration.buildScanner(Ejb3Configuration.java:406)
    at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:593)
    at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:75)
    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.createContainerEntityManagerFactory(PersistenceUnitServiceImpl.java:200) [jboss-as-jpa-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.access$600(PersistenceUnitServiceImpl.java:57) [jboss-as-jpa-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:99) [jboss-as-jpa-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
    ... 4 more
Caused by: java.lang.ClassNotFoundException: org.jboss.as.jpa.hibernate4.HibernateAnnotationScanner from [Module "deployment.vp301b-ear.ear.vp301b.war:main" from Service Module Loader]
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.6.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) [jboss-modules.jar:1.3.6.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408) [jboss-modules.jar:1.3.6.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:389) [jboss-modules.jar:1.3.6.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:134) [jboss-modules.jar:1.3.6.Final-redhat-1]
    at java.lang.Class.forName0(Native Method) [rt.jar:1.7.0_80]
    at java.lang.Class.forName(Unknown Source) [rt.jar:1.7.0_80]
    at org.hibernate.internal.util.ReflectHelper.classForName(ReflectHelper.java:170)
    at org.hibernate.ejb.Ejb3Configuration.buildScanner(Ejb3Configuration.java:403)
    ... 9 more

我试图更改休眠版本，修改persistence.xml，删除并在jboss目录中手动添加休眠jar，搜索此错误...但无济于事。

我的persistence.xml：

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <persistence-unit name="unidadPersistencia">
        <provider>org.hibernate.ejb.HibernatePersistence</provider>
         <class>my entity</class>
         <properties>
            <property name="hibernate.ejb.cfgfile" value="hibernate.cfg.xml" />
            <property name="javax.persistence.jdbc.driver" value="MY DRIVER"/>
            <property name="javax.persistence.jdbc.url" value="DATABASE"/> 
            <property name="javax.persistence.jdbc.user" value="USER"/>
            <property name="javax.persistence.jdbc.password" value="PWD"/>
         </properties>
    </persistence-unit>
</persistence>

对pom.xml的休眠和持久性依赖关系：

<dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
</dependency>

<dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
</dependency>

<dependency>
            <groupId>javax.persistence</groupId>
            <artifactId>persistence-api</artifactId>
            <version>1.0</version>
</dependency>

问题更新：

在添加由mm6表示的依赖关系之后，跟踪已更改，新的跟踪如下：

15:07:14,589 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 50) MSC000001: Failed to start service jboss.persistenceunit."vp301b-ear.ear/vp301b.war#unidadPersistencia": org.jboss.msc.service.StartException in service jboss.persistenceunit."vp301b-ear.ear/vp301b.war#unidadPersistencia": java.lang.NoClassDefFoundError: org/hibernate/internal/util/ClassLoaderHelper
    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:103)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [rt.jar:1.7.0_80]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [rt.jar:1.7.0_80]
    at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_80]
    at org.jboss.threads.JBossThread.run(JBossThread.java:122) [jboss-threads-2.1.2.Final-redhat-1.jar:2.1.2.Final-redhat-1]
Caused by: java.lang.NoClassDefFoundError: org/hibernate/internal/util/ClassLoaderHelper
    at org.hibernate.ejb.Ejb3Configuration.<init>(Ejb3Configuration.java:175)
    at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:74)
    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.createContainerEntityManagerFactory(PersistenceUnitServiceImpl.java:200)
    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.access$600(PersistenceUnitServiceImpl.java:57)
    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:99)
    ... 4 more
Caused by: java.lang.ClassNotFoundException: org.hibernate.internal.util.ClassLoaderHelper from [Module "deployment.vp301b-ear.ear.vp301b.war:main" from Service Module Loader]
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.6.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) [jboss-modules.jar:1.3.6.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408) [jboss-modules.jar:1.3.6.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:389) [jboss-modules.jar:1.3.6.Final-redhat-1]
    at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:134) [jboss-modules.jar:1.3.6.Final-redhat-1]
    ... 9 more

1 个答案:

答案 0 :(得分：0)

异常看起来像是它希望您使用AnnotationConfiguration，并且缺少依赖项，这些依赖项仍被jboss包含，并且不使用jar中的内容。尝试以下依赖项：

    <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>4.1.6.Final</version>
    </dependency>
    <dependency>
        <groupId>org.jboss.spec.javax.transaction</groupId>
        <artifactId>jboss-transaction-api_1.1_spec</artifactId>
        <version>1.0.0.Final</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate.javax.persistence</groupId>
        <artifactId>hibernate-jpa-2.0-api</artifactId>
        <version>1.0.1.Final</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate.common</groupId>
        <artifactId>hibernate-commons-annotations</artifactId>
        <version>4.0.1.Final</version>
    </dependency>
    <dependency>
        <groupId>org.javassist</groupId>
        <artifactId>javassist</artifactId>
        <version>3.15.0-GA</version>
    </dependency>
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