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Stambia versions 2.x, 3.x, S17, S18, S19 and S20 are reaching End of Support January, 15th, 2024. Please consider upgrading to the supported Semarchy xDI versions. See Global Policy Support and the Semarchy Documentation.

The Stambia User Community is moving to Semarchy! All the applicable resources have already been moved or are currently being moved to their new location. Read more…


Symptom

When you try to connect to a Runtime from the Designer, the following error is thrown:

java.rmi.UnmarshalException: error unmarshalling return; nested exception is: 
	java.lang.ClassNotFoundException: com.indy.engine.common.IEngineConnection (no security manager: RMI class loader disabled)
	at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
	at com.indy.engine.common.EngineFactory.getEngine(EngineFactory.java:17)
	at com.indy.ui.engine.WatchEngine.connect(WatchEngine.java:347)
	at com.indy.ui.engine.WatchEngine.initEngine(WatchEngine.java:148)
	at com.indy.ui.engine.WatchEngine.run(WatchEngine.java:104)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: com.indy.engine.common.IEngineConnection (no security manager: RMI class loader disabled)
	at sun.rmi.server.LoaderHandler.loadProxyClass(LoaderHandler.java:556)
	at java.rmi.server.RMIClassLoader$2.loadProxyClass(RMIClassLoader.java:646)
	at java.rmi.server.RMIClassLoader.loadProxyClass(RMIClassLoader.java:311)
	at sun.rmi.server.MarshalInputStream.resolveProxyClass(MarshalInputStream.java:265)
	at java.io.ObjectInputStream.readProxyDesc(ObjectInputStream.java:1566)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1781)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373)
	... 6 more

 

Solution

This error is raised because you are trying to connect to a Runtime secured with a user / password from a Designer version prior to S18.3.0.

If you want to connect to this Runtime, upgrade your Designer to S18.3.0 or higher.

 

Knowledge Base

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