support for Hazelcast client-server topology user-code-deployment not working

Hi everyone

im in the process of updating from spring session 1, we have been using the client-server setup for quite some time in production.

Now with the new EntryProcessor implementation of HazelcastSessionRepository i cannot get it to work with the code deployment sample described in the issue #1101 .

i’ve enabled code deployment both on the server and on the client via the following xml configurations.

Server:

<user-code-deployment enabled="true">
    <class-cache-mode>ETERNAL</class-cache-mode>
    <provider-mode>LOCAL_AND_CACHED_CLASSES</provider-mode>
</user-code-deployment>

Client:

<user-code-deployment enabled="true">
    <classNames>
        <className>org.springframework.session.Session</className>
        <className>org.springframework.session.MapSession</className>
    <className>org.springframework.session.hazelcast.SessionUpdateEntryProcessor</className>
    </classNames>
</user-code-deployment>

I know this config is working because it triggers a new downstream Error when hazelcast is trying to send the SessionUpdateEntryProcessor class to the server.

The Hazelcast server throws the following error:

repository.SessionUpdateEntryProcessor.process(SessionUpdateEntryProcessor.java:27)
hazelcast_1  | 	at com.hazelcast.map.impl.operation.EntryOperator.process(EntryOperator.java:318)
hazelcast_1  | 	at com.hazelcast.map.impl.operation.EntryOperator.operateOnKeyValueInternal(EntryOperator.java:181)
hazelcast_1  | 	at com.hazelcast.map.impl.operation.EntryOperator.operateOnKeyValue(EntryOperator.java:170)
hazelcast_1  | 	at com.hazelcast.map.impl.operation.EntryOperation$EntryOperationOffload$2.run(EntryOperation.java:343)
hazelcast_1  | 	at com.hazelcast.util.executor.CachedExecutorServiceDelegate$Worker.run(CachedExecutorServiceDelegate.java:227)
hazelcast_1  | 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
hazelcast_1  | 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
hazelcast_1  | 	at java.lang.Thread.run(Thread.java:748)
hazelcast_1  | 	at com.hazelcast.util.executor.HazelcastManagedThread.executeRun(HazelcastManagedThread.java:64)
hazelcast_1  | 	at com.hazelcast.util.executor.HazelcastManagedThread.run(HazelcastManagedThread.java:80)
hazelcast_1  | Caused by: java.lang.ClassNotFoundException: Failed to load class org.springframework.security.core.context.SecurityContextImpl from other members.
hazelcast_1  | 	at com.hazelcast.internal.usercodedeployment.impl.ClassLocator.tryToGetClassFromRemote(ClassLocator.java:157)
hazelcast_1  | 	at com.hazelcast.internal.usercodedeployment.impl.ClassLocator.handleClassNotFoundException(ClassLocator.java:95)
hazelcast_1  | 	at com.hazelcast.internal.usercodedeployment.UserCodeDeploymentService.handleClassNotFoundException(UserCodeDeploymentService.java:89)
hazelcast_1  | 	at com.hazelcast.internal.usercodedeployment.UserCodeDeploymentClassLoader.loadClass(UserCodeDeploymentClassLoader.java:57)
hazelcast_1  | 	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
hazelcast_1  | 	at com.hazelcast.nio.ClassLoaderUtil.tryLoadClass(ClassLoaderUtil.java:288)
hazelcast_1  | 	at com.hazelcast.nio.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:252)
hazelcast_1  | 	at com.hazelcast.nio.IOUtil$ClassLoaderAwareObjectInputStream.resolveClass(IOUtil.java:646)
hazelcast_1  | 	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1866)
hazelcast_1  | 	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1749)
hazelcast_1  | 	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2040)
hazelcast_1  | 	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
hazelcast_1  | 	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
hazelcast_1  | 	at java.util.HashMap.readObject(HashMap.java:1409)
hazelcast_1  | 	at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
hazelcast_1  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
hazelcast_1  | 	at java.lang.reflect.Method.invoke(Method.java:498)
hazelcast_1  | 	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1158)
hazelcast_1  | 	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2176)
hazelcast_1  | 	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
hazelcast_1  | 	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
hazelcast_1  | 	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2285)
hazelcast_1  | 	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
hazelcast_1  | 	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
hazelcast_1  | 	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
hazelcast_1  | 	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
hazelcast_1  | 	at com.hazelcast.internal.serialization.impl.JavaDefaultSerializers$JavaSerializer.read(JavaDefaultSerializers.java:82)
hazelcast_1  | 	... 15 more

I’ve tried to add spring-security jars to the hazelcast server, this fixed this error but triggered more downstream dependency errors.

Does anyone know how to fix this error ? I’ve looked at the issues #1312 #1131 maybe they can fix my issue and the need to upload code to the hazelcast server.

To fix my situation i had to completely replace the HazelcastSessionRepository with my own implementation that uses the old way of get/put on the Hazelcast IMap. This is working for now.

Im looking forward to any suggesstions.

[michaelhaessig]

yes i’ve seen this test. i will try to find time this week to build a sample project.

[michaelhaessig]

@consult-kk - sorry for the delayed reply. as mentioned i did replace the full HazelcastSessionRepository to use the old logic from 1.0 with IMap#put instead of using EntryProcessors. This way no libraries are needed on the hazelcast server. If you need the full code let me know.