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spring – 如何确定我的会话尝试序列化的对象?

我最近升级Spring Security 4.2.3.RELEASE.我也在使用spymemcached v 2.8.4.我遇到了这种情况,由于某些原因,Spring正在尝试序列化服务实现类.我无法弄清楚这是从哪里来的.异常引用的代码行是

Set

带着神秘的错误(“java.io.NotSerializableException:org.mainco.subco.ecom.service.ContractServiceImpl”被埋在里面)……

09:06:47,771 ERROR [io.undertow.request] (default task-58) UT005023: Exception handling request to /myproject/registration/save: java.lang.IllegalArgumentException: Non-serializable object
    at net.spy.memcached.transcoders.BaseSerializingTranscoder.serialize(BaseSerializingTranscoder.java:110)
    at net.spy.memcached.transcoders.SerializingTranscoder.encode(SerializingTranscoder.java:162)
    at net.spy.memcached.MemcachedClient.asyncStore(MemcachedClient.java:282)
    at net.spy.memcached.MemcachedClient.set(MemcachedClient.java:733)
    at net.spy.memcached.MemcachedClient.set(MemcachedClient.java:126)
    at org.mainco.subco.session.service.MemcachedSessionService.associateUser(MemcachedSessionService.java:365)
    at org.mainco.subco.session.service.MemcachedSessionService.setSessionSecurityContext(MemcachedSessionService.java:288)
    at org.mainco.subco.core.security.SubcoSecurityContextRepository.saveContext(subcoSecurityContextRepository.java:116)
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:114)
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
    at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214)
    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)
    at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)
    at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
    at io.undertow.servlet.handlers.ServletdispatchingHandler.handleRequest(ServletdispatchingHandler.java:36)
    at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at io.undertow.servlet.handlers.security.SSL@R_898_404[email protected](SSL@R_898_404[email protected]:131)
    at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
    at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
    at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
    at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:72)
    at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
    at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at io.undertow.servlet.handlers.ServletinitialHandler.handleFirstRequest(ServletinitialHandler.java:284)
    at io.undertow.servlet.handlers.ServletinitialHandler.dispatchRequest(ServletinitialHandler.java:263)
    at io.undertow.servlet.handlers.ServletinitialHandler.access$000(ServletinitialHandler.java:81)
    at io.undertow.servlet.handlers.ServletinitialHandler$1.handleRequest(ServletinitialHandler.java:174)
    at io.undertow.server.Connectors.executeRootHandler(Connectors.java:198)
    at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:784)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.NotSerializableException: org.mainco.subco.ecom.service.ContractServiceImpl
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
    at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
    at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
    at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)

我如何弄清楚memcache正在尝试序列化的对象,从而弄清楚它是如何引用服务类来序列化的?

这个问题的关键不在于我如何使我的服务类可序列化,但为什么我的会话试图首先序列化它.

最佳答案

I’m running into this situation where for some reason Spring is trying to serialize service implementation classes.

spring不要尝试序列化实现.

你做的时候看起来很精简

memcachedClient.set(userId,userSessions);

它期望Serializable对象,但userSessions不是.

Set不可序列化,并键入您获得的类型

(Set) memcachedClient.get(userId);

未序列化为.检查是否可以将memcachedClient.get(userId)强制转换为可序列化的东西,如HashSets或TreeSet ….

最糟糕的是你可以尝试但是你可能会得到CastException

memcachedClient.set(userId,(Serializable)userSessions);

你可以迭代set并做一个简单的检查:

int count=0;
for(Session session: userSessions ){
    log....
    boolean isSerializable = checkIfSerializable(session);
    count=isSerializable ? count+1 : count;
    log 
}

private static boolean checkIfSerializable(Object value) throws illegalaccessexception {
    try {
        ByteArrayOutputStream bf = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(bf);
        oos.writeObject(value);
        oos.close();
        ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(bf.toByteArray()));
        Object o = ois.readobject();
        return true;

    } catch (Exception e) {
        System.out.println("----->>>> Not exactly Serializable : " + value);
    }
        return false;
}

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