Re: [rules-users] ClassNotFound exception running brms example (newbie)
Hi, Are you using the latest brms build ? if the anwser is not, please download the latest version from https://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/trunk/target/it was a missing class in the drools-core library. On 9/30/07, Martin Fuzzey [EMAIL PROTECTED] wrote: Hi, I am trying to run the insurance example with the brms after replacing the client mvel jar with the one used by the brms web app as mentionned on this list I get this exeception (full stacktrace below) java.lang.ClassNotFoundException: org.drools.rule.builder.dialect.mvel.MVELDialect$ModifyInterceptor adding the drools-compiler-4.0.1.jar to the client classpath fixes this but I thought the rules were supposed to be compiled by the brms. Indeed the documentation says : The rule agent is a component which is embedded in the core runtime of the rules engine. To use this, you don't need any extra components. In fact, if you are using the BRMS, your application should only need to include the drools-core.jar in its classpath, and no other rules specific dependencies. so am I misunderstanding something or is this a bug? Thanks, Martin Fuzzey RuleAgent(insuranceconfig) INFO (Sun Sep 30 14:02:33 CEST 2007): Configuring with newInstance=true, secondsToRefresh=30 RuleAgent(insuranceconfig) INFO (Sun Sep 30 14:02:33 CEST 2007): Configuring package provider : URLScanner monitoring URLs: http://localhost:8080/drools-jbrms/org.drools.brms.JBRMS/package/org.acme.insurance/MF1 with local cache dir of /home/martin/tmp RuleAgent(insuranceconfig) EXCEPTION (Sun Sep 30 14:02:34 CEST 2007): org.drools.rule.builder.dialect.mvel.MVELDialect$ModifyInterceptor. Stack trace should follow. java.lang.ClassNotFoundException: org.drools.rule.builder.dialect.mvel.MVELDialect$ModifyInterceptor at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:247) at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:604) at org.drools.common.DroolsObjectInputStream.resolveClass( DroolsObjectInputStream.java:74) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575) 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 java.util.HashMap.readObject(HashMap.java:1029) at sun.reflect.GeneratedMethodAccessor2.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:1846) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753) at
Re: [rules-users] ClassNotFound exception running brms example (newbie)
sorry, you need to get the latest core version snapshot to correct this problem, plus the new brms as well On 9/30/07, Fernando Meyer [EMAIL PROTECTED] wrote: Hi, Are you using the latest brms build ? if the anwser is not, please download the latest version from https://hudson.jboss.org/hudson/job/drools/lastSuccessfulBuild/artifact/trunk/target/ it was a missing class in the drools-core library. On 9/30/07, Martin Fuzzey [EMAIL PROTECTED] wrote: Hi, I am trying to run the insurance example with the brms after replacing the client mvel jar with the one used by the brms web app as mentionned on this list I get this exeception (full stacktrace below) java.lang.ClassNotFoundException: org.drools.rule.builder.dialect.mvel.MVELDialect$ModifyInterceptor adding the drools-compiler-4.0.1.jar to the client classpath fixes this but I thought the rules were supposed to be compiled by the brms. Indeed the documentation says : The rule agent is a component which is embedded in the core runtime of the rules engine. To use this, you don't need any extra components. In fact, if you are using the BRMS, your application should only need to include the drools-core.jar in its classpath, and no other rules specific dependencies. so am I misunderstanding something or is this a bug? Thanks, Martin Fuzzey RuleAgent(insuranceconfig) INFO (Sun Sep 30 14:02:33 CEST 2007): Configuring with newInstance=true, secondsToRefresh=30 RuleAgent(insuranceconfig) INFO (Sun Sep 30 14:02:33 CEST 2007): Configuring package provider : URLScanner monitoring URLs: http://localhost:8080/drools-jbrms/org.drools.brms.JBRMS/package/org.acme.insurance/MF1 with local cache dir of /home/martin/tmp RuleAgent(insuranceconfig) EXCEPTION (Sun Sep 30 14:02:34 CEST 2007): org.drools.rule.builder.dialect.mvel.MVELDialect$ModifyInterceptor . Stack trace should follow. java.lang.ClassNotFoundException: org.drools.rule.builder.dialect.mvel.MVELDialect$ModifyInterceptor at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass (Launcher.java :276) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java :319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:247) at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:604) at org.drools.common.DroolsObjectInputStream.resolveClass( DroolsObjectInputStream.java :74) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575) 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 java.util.HashMap.readObject (HashMap.java:1029) at sun.reflect.GeneratedMethodAccessor2.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:1846) at java.io.ObjectInputStream.readOrdinaryObject (ObjectInputStream.java :1753) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java :1753) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java :1329) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869) at java.io.ObjectInputStream.readOrdinaryObject (ObjectInputStream.java :1753) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java :1753) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java :1329)
