Làm cách nào để định cấu hình dệt động bằng EclipseLink & Mùa xuân? Ngay bây giờ tôi đang cố gắng để làm việc này với một bài kiểm tra Junit, nhưng sau này tôi sẽ phải làm việc với Tomcat (bộ phận của tôi đã được chuẩn hóa trên nó khoảng 10 năm).Làm cách nào để định cấu hình dệt động bằng EclipseLink & Spring?
Tôi đang chạy vào hai vấn đề chính:
1. Mùa xuân muốn một thợ dệt thời gian tải:
Ngoại lệ:
java.lang.IllegalStateException: Failed to load ApplicationContext
at org.springframework.test.context.TestContext.getApplicationContext(TestContext.java:181)
at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:109)
<snip>
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.context.weaving.AspectJWeavingEnabler#0': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'loadTimeWeaver': Initialization of bean failed; nested exception is java.lang.IllegalStateException: ClassLoader [sun.misc.Launcher$AppClassLoader] does NOT provide an 'addTransformer(ClassFileTransformer)' method. Specify a custom LoadTimeWeaver or start your Java virtual machine with Spring's agent: -javaagent:org.springframework.instrument.jar
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
<snip>
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'loadTimeWeaver': Initialization of bean failed; nested exception is java.lang.IllegalStateException: ClassLoader [sun.misc.Launcher$AppClassLoader] does NOT provide an 'addTransformer(ClassFileTransformer)' method. Specify a custom LoadTimeWeaver or start your Java virtual machine with Spring's agent: -javaagent:org.springframework.instrument.jar
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
<snip>
Caused by: java.lang.IllegalStateException: ClassLoader [sun.misc.Launcher$AppClassLoader] does NOT provide an 'addTransformer(ClassFileTransformer)' method. Specify a custom LoadTimeWeaver or start your Java virtual machine with Spring's agent: -javaagent:org.springframework.instrument.jar
at org.springframework.context.weaving.DefaultContextLoadTimeWeaver.setBeanClassLoader(DefaultContextLoadTimeWeaver.java:91)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeAwareMethods(AbstractAutowireCapableBeanFactory.java:1437)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1408)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
... 44 more
tôi có thể sửa lỗi này bằng cách cấu hình Instrumentation mùa xuân :
JVM parameter:
-javaagent:/path/to/org.springframework.instrument-3.1.0.M2.jar
2. EclipseLink là không hài lòng với Instrumentation mùa xuân:
Lỗi:
(similar error messages repeated many times)
[EL Severe]: 2011-06-20 16:12:57.951--ServerSession(979781372)--Local Exception Stack:
Exception [EclipseLink-0] (Eclipse Persistence Services - 2.2.0.v20110202-r8913): org.eclipse.persistence.exceptions.IntegrityException
Descriptor Exceptions:
---------------------------------------------------------
Exception [EclipseLink-60] (Eclipse Persistence Services - 2.2.0.v20110202-r8913): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: The method [_persistence_set_shellType_vh] or [_persistence_get_shellType_vh] is not defined in the object [ps.entity.JudicialArtifactFamily].
Internal Exception: java.lang.NoSuchMethodException: ps.entity.JudicialArtifactFamily._persistence_get_shellType_vh()
Mapping: org.eclipse.persistence.mappings.ManyToOneMapping[shellType]
Descriptor: RelationalDescriptor(ps.entity.JudicialArtifactFamily --> [DatabaseTable(JUDICIAL_ARTIFACT_FAMILY)])
Exception [EclipseLink-218] (Eclipse Persistence Services - 2.2.0.v20110202-r8913): org.eclipse.persistence.exceptions.DescriptorException
Exception Description: A NullPointerException would have occurred accessing a non-existent weaved _vh_ method [_persistence_get_shellType_vh]. The class was not weaved properly - for EE deployments, check the module order in the application.xml deployment descriptor and verify that the module containing the persistence unit is ahead of any other module that uses it.
tôi thử để sửa lỗi này bằng cách sử dụng các thợ dệt EclipseLink:
-javaagent:/dev/tools/javaagents/eclipselink.jar
Nhưng sau đó tôi nhận được cùng ngoại lệ với vấn đề # 1.
phiên bản Thư viện
Tôi đang sử dụng:
- Java 1.6.0_24
- EclipseLink 2.2.0.v20110202-r8913
- mùa xuân 3.1.0 M2
Tệp cấu hình
Đây là persistence.xml tôi:
<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
version="2.0"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
<persistence-unit name="eclipseLinkHashPU" transaction-type="RESOURCE_LOCAL">
<class>ps.entity.Artifact</class>
<class>ps.entity.JudicialArtifactFamily</class>
<class>ps.entity.ShellType</class>
<class>ps.entity.SourceArtifact</class>
<class>ps.entity.Health</class>
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties>
<property name="eclipselink.ddl-generation" value="drop-and-create-tables"/>
<property name="eclipselink.ddl-generation.output-mode" value="database"/>
</properties>
</persistence-unit>
</persistence>
Đây là application.xml tôi:
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jaxrs="http://cxf.apache.org/schema/jaxrs" xmlns:jee="http://www.springframework.org/schema/jee" xmlns:util="http://www.springframework.org/schema/util" xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://cxf.apache.org/schema/jaxrs
http://cxf.apache.org/schema/jaxrs.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-2.5.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.5.xsd">
<context:component-scan base-package="ps">
</context:component-scan>
<context:load-time-weaver/>
<alias alias="entityManagerFactory" name="eclipseLinkEntityManagerFactory"/>
<bean id="eclipseLinkEntityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="persistenceXmlLocation" value="classpath:eclipselink-persistence.xml" />
<property name="persistenceUnitName" value="eclipseLinkHashPU" />
<property name="jpaPropertyMap">
<map>
<entry key="eclipselink.logging.level" value="Severe"/>
<entry key="eclipselink.target-database" value="org.eclipse.persistence.platform.database.oracle.OraclePlatform"/>
<entry key="javax.persistence.nonJtaDataSource" value-ref="hash1DataSource"/>
<!-- it's not good that I'm turning weaving off -->
<!-- <entry key="eclipselink.weaving" value="false"/> -->
</map>
</property>
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.EclipseLinkJpaVendorAdapter">
<property name="databasePlatform" value="oracle" />
<property name="database" value="ORACLE" />
<property name="generateDdl" value="true" />
<property name="showSql" value="true" />
</bean>
</property>
</bean>
<!-- datasources, etc -->
</beans>
Bất kỳ giải pháp nào vào năm 2017? – Wecherowski