Java 创建名为“sessionFactory”的 bean 时出错:MalformedParameterizedTypeException
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Error creating bean with name 'sessionFactory' : MalformedParameterizedTypeException
提问by gMale
ANY advice would be apprecated. I'm stumped...
任何建议都会受到赞赏。我难住了...
Problem
问题
On my laptop, anytime our application tries to load the application-config.xml, I get a java.lang.reflect.MalformedParameterizedTypeException.
在我的笔记本电脑上,每当我们的应用程序尝试加载 application-config.xml 时,我都会收到 java.lang.reflect.MalformedParameterizedTypeException。
The EXACT same code works on my desktop and my coworker's desktop/laptop. But on my laptop it throws this error. Since my laptop and desktop are the exact same development environment (Java 1.6 Maven project in Eclipse on Mac OS X Leopard), I've narrowed down the causes by doing the following:
完全相同的代码适用于我的桌面和我同事的桌面/笔记本电脑。但是在我的笔记本电脑上,它会引发此错误。由于我的笔记本电脑和台式机是完全相同的开发环境(Mac OS X Leopard 上 Eclipse 中的 Java 1.6 Maven 项目),我通过执行以下操作来缩小原因范围:
- Checked out a fresh project from Subversion (so no code differences)
- Copied over and replaced my entire Eclipse directory (so no Eclipse version/plugin differences)
- Copied over and replaced my entire .m2 directory (so no maven/project dependency differences)
- 从 Subversion 签出一个新项目(因此没有代码差异)
- 复制并替换我的整个 Eclipse 目录(因此没有 Eclipse 版本/插件差异)
- 复制并替换了我的整个 .m2 目录(因此没有 maven/project 依赖项差异)
What could possibly be causing this error in one place but not the other? Below is a snippet of the related beans and error...
什么可能导致这个错误在一个地方而不是另一个地方?以下是相关 bean 和错误的片段...
Snippet: application-config.xml代码段:application-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
...
<bean id="dataServiceRepository" class="com.saic.gnosis.dao.DataServiceDao">
<constructor-arg ref="sessionFactory" />
</bean>
...
<bean id="implementationRepository" class="com.saic.gnosis.dao.ImplementationDao">
<property name="dataServiceRepository" ref="dataServiceRepository" />
<property name="implementationDetailRepository" ref="implementationDetailRepository" />
<property name="implementationStrategyFactory" ref="implementationStrategyFactory" />
</bean>
...
<bean id="implementationStrategyFactory" class="com.saic.gnosis.plant.ImplementationStrategyPlant" />
...
<bean id="implementationDetailRepository" class="com.saic.gnosis.dao.ImplementationDetailDao">
<constructor-arg ref="sessionFactory" />
</bean>
...
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="mysqlDataSource" />
<property name="packagesToScan">
<list>
<value>com.saic.gnosis.model</value>
<value>com.saic.gnosis.model.observable</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.show_sql">false</prop>
<prop key="hibernate.c3p0.min_size">2</prop> <!-- Minimum number of Connections a pool will maintain at any given time. -->
<prop key="hibernate.c3p0.max_size">9</prop> <!-- Maximum number of Connections a pool will maintain at any given time. -->
<prop key="hibernate.c3p0.timeout">10</prop> <!-- Seconds a Connection can remain pooled but unused before being discarded.
Zero means idle connections never expire. -->
<prop key="hibernate.c3p0.max_statements">0</prop> <!-- The size of c3p0's global PreparedStatement cache. If both maxStatements
and maxStatementsPerConnection are zero, statement caching will not be enabled.
If maxStatements is zero but maxStatementsPerConnection is a non-zero value,
statement caching will be enabled, but no global limit will be enforced,
only the per-connection maximum. maxStatements controls the total number
of Statements cached, for all Connections. If set, it should be a fairly
large number, as each pooled Connection requires its own, distinct flock
of cached statements. As a guide, consider how many distinct PreparedStatements
are used frequently in your application, and multiply that number by maxPoolSize
to arrive at an appropriate value. Though maxStatements is the JDBC standard
parameter for controlling statement caching, users may find c3p0's alternative
maxStatementsPerConnection more intuitive to use. -->
</props>
</property>
</bean>
<bean id="mysqlDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass" value="com.mysql.jdbc.Driver" />
<property name="jdbcUrl" value="jdbc:mysql://database.com/ourProject" />
<property name="user" value="ourUser" />
<property name="password" value="ourPass" />
<property name="initialPoolSize" value="4" />
</bean>
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
Snippet: JUnit Error Trace:代码段:JUnit 错误跟踪:
java.lang.ExceptionInInitializerError
at com.saic.gnosis.updater.task.ConnectionCommandFileWriterTask.<init>(ConnectionCommandFileWriterTask.java:16)
at com.saic.gnosis.updater.CiscoDeviceConfiguratorTest.initializeSpyObjects(CiscoDeviceConfiguratorTest.java:120)
at com.saic.gnosis.updater.CiscoDeviceConfiguratorTest.initializeTestObjects(CiscoDeviceConfiguratorTest.java:110)
at com.saic.gnosis.updater.CiscoDeviceConfiguratorTest.setUp(CiscoDeviceConfiguratorTest.java:105)
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 org.junit.runners.model.FrameworkMethod.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.accessjava.lang.NoSuchMethodError: org.springframework.beans.factory.annotation.InjectionMetadata.<init>(Ljava/lang/Class;Ljava/util/Collection;)V
0(ParentRunner.java:42)
at org.junit.runners.ParentRunner.evaluate(ParentRunner.java:184)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'implementationRepository' defined in class path resource [beans/application-config.xml]: Cannot resolve reference to bean 'dataServiceRepository' while setting bean property 'dataServiceRepository'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataServiceRepository' defined in class path resource [beans/application-config.xml]: Cannot resolve reference to bean 'sessionFactory' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [beans/application-config.xml]: Initialization of bean failed; nested exception is java.lang.reflect.MalformedParameterizedTypeException
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:275)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:104)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1245)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.run(AbstractAutowireCapableBeanFactory.java:409)
at java.security.AccessController.doPrivileged(Native Method)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
at org.springframework.beans.factory.support.AbstractBeanFactory.getObject(AbstractBeanFactory.java:264)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.saic.gnosis.dao.BeanDao.<clinit>(BeanDao.java:35)
... 28 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataServiceRepository' defined in class path resource [beans/application-config.xml]: Cannot resolve reference to bean 'sessionFactory' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [beans/application-config.xml]: Initialization of bean failed; nested exception is java.lang.reflect.MalformedParameterizedTypeException
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:275)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:104)
at org.springframework.beans.factory.support.ConstructorResolver.resolveConstructorArguments(ConstructorResolver.java:495)
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:162)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:925)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:835)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:440)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.run(AbstractAutowireCapableBeanFactory.java:409)
at java.security.AccessController.doPrivileged(Native Method)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
at org.springframework.beans.factory.support.AbstractBeanFactory.getObject(AbstractBeanFactory.java:264)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:269)
... 46 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [beans/application-config.xml]: Initialization of bean failed; nested exception is java.lang.reflect.MalformedParameterizedTypeException
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:480)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.run(AbstractAutowireCapableBeanFactory.java:409)
at java.security.AccessController.doPrivileged(Native Method)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
at org.springframework.beans.factory.support.AbstractBeanFactory.getObject(AbstractBeanFactory.java:264)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:269)
... 61 more
Caused by: java.lang.reflect.MalformedParameterizedTypeException
at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.validateConstructorArguments(ParameterizedTypeImpl.java:42)
at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.<init>(ParameterizedTypeImpl.java:35)
at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.make(ParameterizedTypeImpl.java:77)
at sun.reflect.generics.factory.CoreReflectionFactory.makeParameterizedType(CoreReflectionFactory.java:86)
at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:122)
at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:31)
at sun.reflect.generics.repository.ClassRepository.getSuperInterfaces(ClassRepository.java:82)
at java.lang.Class.getGenericInterfaces(Class.java:794)
at org.springframework.core.GenericTypeResolver.getTypeVariableMap(GenericTypeResolver.java:161)
at org.springframework.core.GenericTypeResolver.resolveReturnType(GenericTypeResolver.java:99)
at org.springframework.beans.GenericTypeAwarePropertyDescriptor.getPropertyType(GenericTypeAwarePropertyDescriptor.java:88)
at org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:138)
at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:386)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1289)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1250)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472)
... 70 more
编辑:
Update - I just found another clue, none of our database-related JUnit tests work. On my desktop they all pass. On my laptop, they all fail with the following exception:
更新 - 我刚刚发现了另一个线索,我们与数据库相关的 JUnit 测试都不起作用。在我的桌面上,它们都通过了。在我的笔记本电脑上,它们都失败了,但有以下例外:
java version "1.6.0_18"
OpenJDK Runtime Environment (IcedTea6 1.8.1) (6b18-1.8.1-0ubuntu1)
OpenJDK 64-Bit Server VM (build 16.0-b13, mixed mode)
Any and all suggestions welcome! Thanks!
欢迎任何和所有建议!谢谢!
采纳答案by Bozho
I would assume you have wrong spring jars - perhaps one for spring 2.5 and one for 3.0. The classloader loads, say, spring-core for version 3.0, and the rest for 2.5. This would result in such errors.
我假设你有错误的弹簧罐 - 也许一个用于 spring 2.5,一个用于 3.0。类加载器加载 3.0 版的 spring-core,其余的 2.5 版。这将导致此类错误。
I'd suggest going through your maven dependency graph and remove all redundant ones. If necessary, use <exclusions>
in your pom.
我建议查看您的 maven 依赖关系图并删除所有多余的依赖关系图。如有必要,请<exclusions>
在您的 pom.xml 中使用。
Before that clean your project on all machines.
在此之前清理所有机器上的项目。
回答by Tomek Lipski
I had similiar error when trying to run Mule service on Mule ESB embedded in Tomcat. The solution was to change JDK from default:
尝试在嵌入在 Tomcat 中的 Mule ESB 上运行 Mule 服务时遇到了类似的错误。解决方案是从默认更改 JDK:
java version "1.6.0_20"
Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode)
to good old Sun JDK:
好的老Sun JDK:
##代码##of course, it might have been version/patch issue. If only I had the time to investigate...
当然,这可能是版本/补丁问题。如果我有时间调查...
回答by Gangnus
I had the same problems and another measure helped: delete the whole .metadata folder. Later import projects from their place or checkout them from the svn(if you use some). The problem is that we don't really know, what metadata are broken, so the natural next step is to delete all of them. I think, it is the deepest possible cleaning apart from reinstallation of Eclipse + plugins.
我遇到了同样的问题,另一个措施有帮助:删除整个 .metadata 文件夹。稍后从它们的位置导入项目或从 svn 检出它们(如果您使用一些)。问题是我们真的不知道哪些元数据被破坏了,所以下一步自然是删除所有元数据。我认为,除了重新安装 Eclipse + 插件之外,这是最深入的清理。