[rules-dev] Problems when using drools-server
David Sinclair
dsinclair at chariotsolutions.com
Mon Feb 2 17:25:49 EST 2009
Looks like the version of drools on your server is different than your
client. That would explain the class version issue
On Mon, Feb 2, 2009 at 5:19 PM, Zhang Jing-A52198 <j.zhang at motorola.com>wrote:
> Hi All,
>
>
>
> When I access the drools-server by URLConnection, I've always got such
> errors:
>
>
>
> WARNING: RuleAgent(default) EXCEPTION (Mon Feb 02 16:09:46 CST 2009):
> org.drools.base.BaseEvaluator; local class incompatible: stream classdesc
> serialVersionUID = -7767879457606879276, local class serialVersionUID =
> -7149415669283058142. Stack trace should follow.
>
> WARNING: java.io.InvalidClassException: org.drools.base.BaseEvaluator;
> local class incompatible: stream classdesc serialVersionUID =
> -7767879457606879276, local class serialVersionUID = -7149415669283058142
>
> * at
> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562)*
>
> * at
> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1583)*
>
> * at
> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)*
>
> * at
> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1583)*
>
> * at
> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at
> org.drools.rule.LiteralRestriction.readExternal(LiteralRestriction.java:66)
> *
>
> * at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at
> org.drools.rule.LiteralConstraint.readExternal(LiteralConstraint.java:67)*
>
> * at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at java.util.ArrayList.readObject(ArrayList.java:593)*
>
> * at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown
> Source)*
>
> * at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> *
>
> * at java.lang.reflect.Method.invoke(Method.java:597)*
>
> * at
> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)*
>
> * at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at org.drools.rule.Pattern.readExternal(Pattern.java:115)
> *
>
> * at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at java.util.ArrayList.readObject(ArrayList.java:593)*
>
> * at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown
> Source)*
>
> * at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> *
>
> * at java.lang.reflect.Method.invoke(Method.java:597)*
>
> * at
> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)*
>
> * at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at
> org.drools.rule.GroupElement.readExternal(GroupElement.java:57)*
>
> * at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at org.drools.rule.Rule.readExternal(Rule.java:170)*
>
> * at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at java.util.HashMap.readObject(HashMap.java:1029)*
>
> * at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown
> Source)*
>
> * at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> *
>
> * at java.lang.reflect.Method.invoke(Method.java:597)*
>
> * at
> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)*
>
> * at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at
> org.drools.rule.MVELDialectRuntimeData.readExternal(MVELDialectRuntimeData.java:42)
> *
>
> * at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at java.util.HashMap.readObject(HashMap.java:1030)*
>
> * at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown
> Source)*
>
> * at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> *
>
> * at java.lang.reflect.Method.invoke(Method.java:597)*
>
> * at
> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)*
>
> * at
> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at
> org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:41)
> *
>
> * at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at org.drools.rule.Package.readExternal(Package.java:197)
> *
>
> * at
> java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)*
>
> * at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)*
>
> * at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)*
>
> * at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)*
>
> * at
> org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:189)*
>
> * at
> org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:158)*
>
> * at
> org.drools.agent.HttpClientImpl.fetchPackage(HttpClientImpl.java:47)*
>
> * at
> org.drools.agent.URLScanner.readPackage(URLScanner.java:148)*
>
> * at
> org.drools.agent.URLScanner.getChangeSet(URLScanner.java:120)*
>
> * at
> org.drools.agent.URLScanner.loadPackageChanges(URLScanner.java:96)*
>
> * at
> org.drools.agent.RuleAgent.checkForChanges(RuleAgent.java:410)*
>
> * at
> org.drools.agent.RuleAgent.refreshRuleBase(RuleAgent.java:362)*
>
> * at
> org.drools.agent.RuleAgent.configure(RuleAgent.java:347)*
>
> * at org.drools.agent.RuleAgent.init(RuleAgent.java:247)*
>
> * at
> org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:187)*
>
> * at
> org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:147)*
>
> * at
> org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:256)*
>
> * at
> org.drools.server.KnowledgeStatelessServlet.getRuleBase(KnowledgeStatelessServlet.java:109)
> *
>
> * at
> org.drools.server.KnowledgeStatelessServlet.doPost(KnowledgeStatelessServlet.java:71)
> *
>
> * **at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:738)*
>
> * at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:831)*
>
> * **at
> org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411)
> *
>
> * at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:317)
> *
>
> * at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
> *
>
> * **at
> org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
> *
>
> * at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
> *
>
> * **at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
> *
>
> * at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:288)
> *
>
> * at *
>
> WARNING:
> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271)
>
> * at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
> *
>
> * at
> com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)*
>
> * at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)
> *
>
> * at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)*
>
> * at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
> *
>
> * **at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)
> *
>
> * at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)*
>
> * at
> org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272)*
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
> *
>
> * at
> com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:380)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)*
>
> * at
> com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)
> *
>
>
>
> WARNING: java.lang.NullPointerException
>
> * at
> org.drools.agent.RuleAgent.refreshRuleBase(RuleAgent.java:363)*
>
> * at
> org.drools.agent.RuleAgent.configure(RuleAgent.java:347)*
>
> * at org.drools.agent.RuleAgent.init(RuleAgent.java:247)*
>
> * at
> org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:187)*
>
> * at
> org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:147)*
>
> * at
> org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:256)*
>
> * at
> org.drools.server.KnowledgeStatelessServlet.getRuleBase(KnowledgeStatelessServlet.java:109)
> *
>
> * at
> org.drools.server.KnowledgeStatelessServlet.doPost(KnowledgeStatelessServlet.java:71)
> *
>
> * **at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:738)*
>
> * at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:831)*
>
> * **at
> org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411)
> *
>
> * at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:317)
> *
>
> * at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
> *
>
> * at
> org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)
> *
>
> * at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
> *
>
> * at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)
> *
>
> * at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:288)
> *
>
> * at
> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271)
> *
>
> * at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
> *
>
> * at
> com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)*
>
> * at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)
> *
>
> * at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)*
>
> * at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)
> *
>
> * at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)
> *
>
> * at
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)*
>
> * at
> org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272)*
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
> *
>
> * at
> com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:380)
> *
>
> * at
> com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)*
>
> * at
> com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)
> *
>
>
>
>
>
>
>
> Can anyone help me to fix this problem? I've got the same errors when
> trying to run KnowledgeServiceServletTest.java from the drool-server source
> code.
>
>
>
> Thanks,
>
> Jing
>
> _______________________________________________
> rules-dev mailing list
> rules-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-dev
>
>
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