[rules-users] Error using 5.5.1 built with 5.5.0 Final jars

[Stephen Masters]

Your client Drools version does need to be in sync with the Guvnor version.

Unless the serialVersionUID that is being shown in the stack trace is in your code.

Steve


On 8 Apr 2013, at 11:53, abhinay_agarwal <abhinay_agarwal at infosys.com> wrote:

> M getting the following error when i try to connect to guvnor repository, is
> this because of the jar conflict or the problem is something else ?
> 
> Caused by: java.io.InvalidClassException:
> org.drools.rule.constraint.MvelConstraint; local class incompatible: stream
> classdesc serialVersionUID = 148857042101396396, local class
> serialVersionUID = 8537626313322861096
> 	at java.io.ObjectStreamClass.initNonProxy(Unknown Source)
> 	at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
> 	at java.io.ObjectInputStream.readClassDesc(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at java.util.ArrayList.readObject(Unknown Source)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at org.drools.rule.Pattern.readExternal(Pattern.java:115)
> 	at java.io.ObjectInputStream.readExternalData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at java.util.ArrayList.readObject(Unknown Source)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at org.drools.rule.GroupElement.readExternal(GroupElement.java:63)
> 	at java.io.ObjectInputStream.readExternalData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at org.drools.rule.Rule.readExternal(Rule.java:185)
> 	at java.io.ObjectInputStream.readExternalData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at java.util.IdentityHashMap.readObject(Unknown Source)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at
> org.drools.rule.MVELDialectRuntimeData.readExternal(MVELDialectRuntimeData.java:90)
> 	at java.io.ObjectInputStream.readExternalData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at java.util.HashMap.readObject(Unknown Source)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at
> org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:58)
> 	at java.io.ObjectInputStream.readExternalData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at org.drools.rule.Package.readExternal(Package.java:208)
> 	at java.io.ObjectInputStream.readExternalData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readArray(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at
> org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:205)
> 	at
> org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:189)
> 	at
> org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:769)
> 	... 7 more
> 
> 
> 
> --
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