[rules-users] BRMS Insurance Sample - Invalid Class Exception
John Nader
jnader at creditacceptance.com
Thu Oct 25 08:34:09 EDT 2007
I am seeing the same issue. My configuration is slightly different in
that I am using Drools 4.0.3 and JBoss 4.2.2GA with Java 5. I have been
searching very hard to find where these two different version of
AbstractParser are coming from. This class comes out of the MVEL. The
jar in the drools-jbrms is mvel14-1.2.10.jar. I only see this jar
within the deployment.
My thought is that a serialized version of the class is stored in a file
somewhere in the demo project or the BRMS itself, and that it is from an
older version mvel.
-J
--Original Message-
Folks,
Using BRMS 4.0.2 and examples 4.02 as downloaded from the 'official
release' site.
Working my way through the Drools Insurance Sample (on BRMS). I'm
deploying BRMS successfully on JBoss 4.2.1 with Java 1.6.0_02. I can
import the repository_export.xml ok and see the files. I leave this part
of the sample running as per the instructions.
When I go to the 2nd part of the example I have a problem running the
unit tests: within /drools-examples/drools-insurance I run: mvn clean
package. I get the error(1) at the bottom of this email. I do *not* get
the output as per the documentaiton. I skip the tests, build and deploy
the drools-insurance.war
When deploying the war I see the following error (2) in the JBoss logs .
However main drools insurance page loads ok as per the screenshot in the
documentation):
22:43:13,576 INFO [WebappClassLoader]
validateJarFile(C:\software\jboss-4-2-1\server\default\.\tmp\deploy\tmp2
6632drool
s-insurance-exp.war\WEB-INF\lib\servlet-api-2.3.jar) - jar not loaded.
See Servlet Spec 2.3, section 9.7.2. Offending class:
javax/servlet/Servlet.class
I enter some values in the web app (make sure there are no nulls) press
'continue' then get the same error (3)
22:48:55,294 ERROR [STDERR] java.io.InvalidClassException:
org.mvel.AbstractParser; local class incompatible: stream cla
ssdesc serialVersionUID = 256028721591955695, local class
serialVersionUID = -7464517220700761297
22:48:55,310 ERROR [STDERR] at
java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562)
As an aside , when I look for the latest BRMS , as mentioned in the docs
(http://cruisecontrol.jboss.com/cc/artifacts/jboss-rules) - I get a
'Invalid File or Directory'
Is there anything I should try to resolve this?
Paul
RuleAgent(insuranceconfig) INFO (Thu Oct 18 22:37:44 BST 2007):
Configuring package provider : URLScanner monitoring URL
s:
http://localhost:8080/drools-jbrms/org.drools.brms.JBRMS/package/org.acm
e.insurance.base/InsuranceDemo
RuleAgent(insuranceconfig) EXCEPTION (Thu Oct 18 22:37:45 BST 2007):
org.mvel.AbstractParser; local class incompatible:
stream classdesc serialVersionUID = 256028721591955695, local class
serialVersionUID = -7464517220700761297. Stack trace
should follow..io.ObjectStreamClass.initNonProxy(Unknown Source)
java.io.InvalidClassException: org.mvel.AbstractParser; local class
incompatible: stream classdesc serialVersionUID = 25
6028721591955695, local class serialVersionUID = -7464517220700761297
at java.io.ObjectStreamClass.initNonProxy(Unknown Source)rce)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)urce)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)rce)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)ce)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)Source
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)ce)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)ce)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)ource)
at java.io.ObjectInputStream.readObject(Unknown Source)own
Source)
at java.util.HashMap.readObject(Unknown Source)ce)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
at java.lang.reflect.Method.invoke(Unknown Source)known 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)urce)
at java.io.ObjectInputStream.readObject(Unknown Source) Source)
at org.drools.rule.Package.readExternal(Package.java:194)
at java.io.ObjectInputStream.readExternalData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown
Source)java:54)
at java.io.ObjectInputStream.readObject0(Unknown Source)va:137)
at java.io.ObjectInputStream.readObject(Unknown Source)java:109)
at
org.drools.agent.HttpClientImpl.fetchPackage(HttpClientImpl.java:54)
at
org.drools.agent.URLScanner.readPackage(URLScanner.java:137)0)
at
org.drools.agent.URLScanner.getChangeSet(URLScanner.java:109))
at
org.drools.agent.URLScanner.loadPackageChanges(URLScanner.java:88)
at
org.drools.agent.RuleAgent.checkForChanges(RuleAgent.java:330)
at
org.drools.agent.RuleAgent.refreshRuleBase(RuleAgent.java:298)
at org.drools.agent.RuleAgent.configure(RuleAgent.java:284)48)
at org.drools.agent.RuleAgent.init(RuleAgent.java:208)ava:216)
at
org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:176)romRuleAgent(
InsuranceSessionHelper.java:26)
at
org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:148)suranceSessio
nHelper.java:17)
at
org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:216)ntalInfoTest.
java:23)
at
org.acme.insurance.web.InsuranceSessionHelper.loadRuleBaseFromRuleAgent(
InsuranceSessionHelper.java:26)
at
org.acme.insurance.web.InsuranceSessionHelper.getSession(InsuranceSessio
nHelper.java:17)
at
org.acme.insurance.test.SupplementalInfoTest.setUp(SupplementalInfoTest.
java:23)
at junit.framework.TestCase.runBare(TestCase.java:125)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)tive Method)
at junit.framework.TestSuite.runTest(TestSuite.java:208)ource)
at junit.framework.TestSuite.run(TestSuite.java:203)nknown
Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown
Source)estSet.java:210)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)uteTestSet(AbstractDirectoryTestSuite.java:135
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:2
10)DirectoryTestSuite.java:122)
at
org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSe
t(AbstractDirectoryTestSuite.java:135
) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(Abstr
actDirectoryTestSuite.java:122)
at
org.apache.maven.surefire.Surefire.run(Surefire.java:129)ource)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown
Source)Process(SurefireBooter.java:225)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)oter.java:747)
at java.lang.reflect.Method.invoke(Unknown Source)psed: 0.671
sec <<< FAILURE!
at
org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(Suref
ireBooter.java:225)
at
org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java
:747)
Tests run: 5, Failures: 0, Errors: 5, Skipped: 0, Time elapsed: 0.655
sec <<< FAILURE!
Running org.acme.insurance.test.DriverTestped: 0, Time elapsed: 0 sec
<<< FAILURE!
Tests run: 7, Failures: 0, Errors: 7, Skipped: 0, Time elapsed: 0.016
sec <<< FAILURE!
Running org.acme.insurance.test.DriverAdditionalInfoTestlapsed: 0.015
sec <<< FAILURE!
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.015
sec <<< FAILURE!
Running org.acme.insurance.test.InsuranceCalculateTest
Tests run: 3, Failures: 0, Errors: 3, Skipped: 0, Time elapsed: 0.016
sec <<< FAILURE!
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