我已从 Spring Boot 1.3.2 升级到 1.4.0,现在无法启动我的应用程序 -
我的BeanPostProcessor
调用 3d party 开源 Lazy Chopper,当尝试getTransaction()
,这里失败:
public abstract class AbstractPlatformTransactionManager implements PlatformTransactionManager, Serializable {
protected transient Log logger = LogFactory.getLog(getClass());
// ...
@Override
public final TransactionStatus getTransaction(TransactionDefinition definition) throws TransactionException {
Object transaction = doGetTransaction();
// Cache debug flag to avoid repeated checks.
boolean debugEnabled = logger.isDebugEnabled(); // logger is null here
当我在那里放置断点时,我可以看到logger
确实是null
,但如果值得一提的是,如果我调用LogFactory.getLog(getClass())
我自己就在那里,我确实得到了正确的记录器。
似乎我的 bean 在初始化正确的 Logger 之前调用了该方法?..
这是我得到的完整堆栈跟踪:
Caused by: java.lang.NullPointerException: null
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:340) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:426) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:275) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:85) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at com.tikal.lazychopper.DefaultLazyInitializationChopperAdvice.chop(DefaultLazyInitializationChopperAdvice.java:76) ~[lazy-chopper-1.2.8.jar:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_101]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_101]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_101]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_101]
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:629) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:618) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at com.sapiens.bdms.core.service.impl.sign.hash.MD5StringCalculator$$EnhancerBySpringCGLIB$$b5747fb.getSignTypes(<generated>) ~[classes/:na]
at com.sapiens.bdms.core.service.impl.sign.EntitySignCalculatorManagerImpl.postProcessAfterInitialization(EntitySignCalculatorManagerImpl.java:105) ~[classes/:na]
at com.sapiens.bdms.core.service.impl.sign.EntitySignCalculatorManagerImpl$$FastClassBySpringCGLIB$$80ef4d8e.invoke(<generated>) ~[classes/:na]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:720) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at com.sapiens.bdms.core.service.impl.sign.EntitySignCalculatorManagerImpl$$EnhancerBySpringCGLIB$$91a9897b.postProcessAfterInitialization(<generated>) ~[classes/:na]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:422) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1583) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545) ~[spring-beans-4.3.2.RELEASE.jar:4.3.2.RELEASE]
我用的是默认的logback
自动配置,无需调整。
更新#1:围绕该方法定义了切点。
<aop:pointcut id="transactionManagerPointcut"
expression="(execution(* org.springframework.transaction.PlatformTransactionManager.getTransaction(..)))"/>
更新#2:所以看来摆脱这个方面就成功了。仍在试图找出原因以及如何克服这个问题。
这是方面的定义:
<aop:pointcut id="transactionManagerPointcut"
expression="(execution(* org.springframework.transaction.PlatformTransactionManager.getTransaction(..)))"/>
<aop:pointcut id="allServices"
expression="(execution(* com.decision..tx..*.*(..))) or (execution(* com.sapiens.bdms..tx..*.*(..))) && !@annotation(com.sapiens.bdms.core.persistence.annotation.NotTransactional)"/>
<aop:aspect ref="sessionFilterConfigurator">
<aop:before method="setupFilter"
pointcut-ref="allServices"/>
<aop:after-returning method="setupFilter"
pointcut-ref="transactionManagerPointcut"/>
</aop:aspect>
这是方面方法:
@Component("sessionFilterConfigurator")
public class SessionFilterConfigurator {
@Resource
private Collection<FilterConfiguration> filterConfigurations;
@Resource
private SessionFactory sessionFactory;
@Resource
private FiltersDisconnector filtersDisconnector;
public void setupFilter() throws Throwable {
Session session = sessionFactory.getCurrentSession();
if (AutoEnableConfig.isFiltersEnabled()) {
for (FilterConfiguration filterConfiguration : filterConfigurations) {
Filter filter = session.enableFilter(filterConfiguration.getFilterName());
for (Map.Entry<String, Object> entry : filterConfiguration.getFilterParameters().entrySet()) {
filter.setParameter(entry.getKey(), entry.getValue());
}
}
AutoEnableConfig.disableFilterEnabling();
((EventSource) session).getActionQueue().registerProcess(filtersDisconnector);
}
}
}
仍然不清楚为什么在这种情况下会破坏记录器,以及为什么只有在升级到 1.4.0 之后......