[EJB 3.0] - Re: java.lang.RuntimeException: java.lang.ClassCastException - jboss-user

Friday, 3 July 2009

Thanks Wolfgang Knauf !!

This problem was solved now that was  due to Classloader. issue
the scenario is,I have Mbean application runing in its own classloader isolation scope and
 ejb 3.0  ear running in own.  Mbean Application is calling bean from ejb ear. but since
in ear-deployer.xml the CallByValue and Isolated  attributes were set to false that was
the exact problem, when I switched those and CallByValue  attribute in 
Jboss-service.xmls' to true  Mbean application is able to call  bean but now I have
new problem as side effect in ejb application I am calling another bean  using Local
Interface that was not working. could you please help why it would not be able to call
Local inteface of ejb reside in same ear

in response of your question 

My Client is an Mbean application that reads data files from one directory then transform 
and validate that data using Jboss rule engine(this running in its own class loader scope)
 Mbean application  contains ejb-client.jar that contains remote and other classes

DataLoaderThread.java(Client)

  |  public void run() {
  |         try {
  |             PatientFacade patientFacade = new PatientFacade();
  |             isRunning = true;
  |             init();
  | 
  |             contactCache = new ContactVOCache();
  | 
  |             while (isRunning) {
  |                 // TODO:  decide (from a system setting) if this server is supposed to
work as data loader, otherwise just go to sleep again.
  | 
  |                 ZipHandler zipHandler = null;
  |                 File file;
  |                 contactCache.clear();
  | 
  |                 try {
  | 
  |                     file = queue.removeFile();                       // This method
puts the thread to sleep until a file is available.
  |                     long startTime = System.currentTimeMillis();     // New file
detected. Measure the exucution time for statistic purpose.
  |                     long nextInfoTime = startTime + 5000;
  | 
  |                     if (logger.isInfoEnabled()) {
  |                         logger.info("New file detected: " + file);
  |                     }
  | 
  |                     zipHandler = new ZipHandler(file);
  | 
  |                     RawFileStatus rawFileStatus = zipHandler.getStatus();
  |                     boolean rawFileWasRejectedByInitialValidation =
(rawFileStatus.getError() != null);
  | 
  |                     long rawFileId = saveRawFile(zipHandler, rawFileStatus);          
  // Always save the zip file to the raw data archive
  | 
  |                     if (rawFileWasRejectedByInitialValidation) {
  |                         if (logger.isInfoEnabled()) {
  |                             logger.info("Raw data file " + zipHandler +
" saved with raw data ID " + rawFileId + ". This file was rejected by the
initial validation - no further processing is done.");
  |                         }
  |                     } else {
  |                         String provider = rawFileStatus.getProviderName();
  |                         long dataProducer = 1;  // TODO: Transform raw file
"provider" to a dataProducer via database lookup.
  | 
  |                         if (logger.isInfoEnabled()) {
  |                             logger.info("Raw data file " + zipHandler +
" saved with raw data ID " + rawFileId);
  |                         }
  | 
  |                         int numberOfContacts = 0;
  | 
  | 
  |                         RawZipStreamIterator rawZipStreamIterator = new
RawZipStreamIterator(file);
  |                         while (rawZipStreamIterator.hasNext()) {
  |                             RawFileRecordIndud indud =
rawZipStreamIterator.nextIndud();
  |                             ContactVOAssemblerFromRawdata assembler = new
ContactVOAssemblerFromRawdata();
  |                             ContactVO contactVO = assembler.createContactVO(indud);
  |                             contactVO.setReportedByDataProducerID(dataProducer);
  | 
  |                         contactVO = ruleEngine.process(contactVO);     // NOTE: Remote
call means that we get a new instance in contactVO !!!!
  | 
  |                             numberOfContacts++;
  | 
  |                             //  TODO:      contactVO.setValidationStatus( /* String
validationStatus */);
  |                             //TODO contactCache is just dummy classes need to be
chagend with real implemntation
  |                             contactVO.setValidationTimestamp(new Date());
  |                             contactCache.push(contactVO);
  | 
  |                             if (logger.isInfoEnabled() && nextInfoTime <
System.currentTimeMillis()) {
  |                                 nextInfoTime += 5000;
  |                                 logger.info("Number of contacts processed until
now: " + numberOfContacts);
  |                             }
  |                         }
  | 
  |                         rawZipStreamIterator.close();
  | 
  |                         if (contactCache.getErrorPercentage() > ERROR_PERCENTAGE)
{
  |                             //TODO where we have to go from now
  |                         } else {
  |                             if (logger.isInfoEnabled()) logger.info("Starting to
save contacts to the database.");
  |                             ContactFacade contactFacade =
ContactFacade.getInstance();
  | 
  |                             int saveCounter = 0;
  |                             int saveErrorCounter = 0;
  |                             int saveOkCounter = 0;
  |                             while (contactCache.hasMore()) {
  |                                 saveCounter++;
  |                                 ContactVO contact = contactCache.pop();
  |                                 try {
  |                                     contactFacade.saveContact(contact);
  |                                     saveOkCounter++;
  |                                 } catch (Exception e) {
  |                                     saveErrorCounter++;
  |                                     logger.error("Could not save contact no.
" + saveCounter, e);
  |                                 }
  |                             }
  |                             logger.info("Tried to save " + saveCounter +
" contacts. " + saveOkCounter + " were saved, " + saveErrorCounter +
" failed");
  |                         }
  | 
  |                         if (logger.isInfoEnabled())
  |                             logger.info("Raw file processed. Total number of
contacts: " + numberOfContacts + "." +
  |                                     " Execution Time: " +
(System.currentTimeMillis() - startTime) / 1000L + " sec.");
  | 
  | //  TODO: update raw file archive, to set the time, when the processing of this file
was completed.x
  | //  TODO: update the marker for this data producer, that a new total error list is to
be produced
  | 
  |                     }
  | 
  |                     zipHandler.close();
  |                     zipHandler = null;
  |                     FileUtils.delete(file);
  | 
  |                 } catch (DataLoaderException t) {
  |                     logger.error("DataLoaderThread[" + this.getName() +
"] execute error", t);
  |                 } finally {
  |                     if (zipHandler != null) {
  |                         zipHandler.close();
  |                     }
  |                 }
  |             }
  |         } catch (InterruptedException e) {
  |             logger.info("DataLoaderThread[" + this.getName() + "]
stopped");
  |         } catch (Error error) {
  |             isRunning = false;
  |             logger.error("Severe error in the worker thread [" +
this.getName() + "]. The thread terminates", error);
  |             throw error;
  |         } catch (Throwable t) {
  |             isRunning = false;
  |             logger.error("What happend?  ... we got an unexpected Exception in
the worker thread [" + this.getName() + "]. The thread terminates", t);
  |             throw new RuntimeException(t);
  |         }
  |         isRunning = false;
  |     }
  | 
RuleEngineBean. java(EJB-Bean)

  | @Stateful(name = "RuleEngine")
  | public class RuleEngineBean  implements  RuleEngineRemote,  RuleEngine{
  | 
  |     private static final Logger logger= Logger.getLogger(RuleEngineBean.class);
  |     private RuleBase ruleBase = null;
  |     /**
  |      * @param contactVO to be validated against rules
  |      * @return ContactdVo populated with ruleId and Error Source object
  |      */
  |     public ContactVO processContact(ContactVO contactVO) {
  |         try {
  |             StatelessSession session = ruleBase.newStatelessSession();
  |             session.execute(contactVO);
  |             return contactVO;
  |         } catch (Throwable ex) {
  |             logger.fatal("Severe error while processing ContactVo rule",
ex);
  |             throw new EJBException("Fatal error while parsing rule");
  |         }
  |     }
  |      @PostConstruct
  |     private void getRuleBase(){
  |         try {
  |             ruleBase = new RuleBaseBuilder().getRuleBase();
  |         } catch (RuleParserException ex) {
  |             logger.error("Rule Parser Exception while initializing
Rulebase");
  |             throw new EJBException(ex);
  |         }
  |     }
  | 
  |     /**
  |      * parse rule  as per Drools rules 4 format
  |      * @param ruleDefinitionVO RuleDefinitionLite
  |      * @return RuleDefinitionErrorVO if any error found else null
  |      */
  |     public void parseRule(RuleDefinitionVO ruleDefinitionVO) throws
RuleParserException{
  | 
  |             new RuleParser().parseRule(ruleDefinitionVO);
  |         
  |     }
  | 
  |     /**
  |      *  clears Cache of RuleBase in Rule Engine
  |      */
  |     public void clearCache() {
  |         try {
  |             new RuleBaseBuilder().clearCache();
  |         } catch (Throwable ex) {
  |             logger.fatal("Severe Error while clearing RuleBase cache", ex);
  |             throw new EJBException("Fatal error while clearing RuleBase
cache");
  |         }
  |     }
  | }
RuleBaseBuilder class used by RuleEngineBean and Call another bean Using Local interface
and gives error

  | 
  | public class RuleBaseBuilder implements Serializable {
  | 
  |     private final static Logger logger = Logger.getLogger(RuleBaseBuilder.class);
  |     private static final RuleBaseCache cache = new RuleBaseCache();
  | 
  |     /**
  |      *  getRuleBase method builds and returns rulebase
  |      * from cache if available, else buils and returns new rule base
  |      *
  |      * @return RuleBase with all rules
  |      */
  |     public RuleBase getRuleBase() throws RuleParserException {
  |        RuleBase ruleBase = cache.getRuleBase();
  |         if (ruleBase == null) {
  |             ruleBase = buildRuleBase();
  |             cache.putRuleBase(ruleBase);
  |        }
  |         return ruleBase;
  |     }
  | 
  |     /**
  |      * Clears cache
  |      */
  |     public void clearCache() {
  |         cache.remove();
  |     }
  | 
  | 
  |     private RuleBase buildRuleBase() {
  |         List<RuleDefinitionVO> list = this.getDBRules();
  |         RuleBase rb = RuleBaseFactory.newRuleBase();
  | 
  |         for (RuleDefinitionVO ruleVO : list) {
  | 
  |             try {
  |                 if(ruleVO.getId()<=100000){continue;}
  |                 rb.addPackage(new RuleParser().buildPackage(ruleVO));
  | 
  |             } catch (Exception e) {
  |                 //todo MUST FIX deside what todo if some rules failed to load in
memory
  |                 Rule rule=new Rule(ruleVO) ;
  |                 logger.error("Rule:"+ rule.getId() + " can't loaded
to memory " + e.getMessage());
  |             }
  |         }
  |         return rb;
  |     }
  | 
  |     private List<RuleDefinitionVO> getDBRules() {
  |         RuleManagerLocal manager = getRuleMangerLocal();
  |         List<RuleDefinitionVO> list = manager.getAllRules();
  |         logger.debug("Downloaded Rules from database");
  | 
  |         return list;
  |     }
  |     /**
  |      * TODO  refactoring
  |      */
  |     public RuleManagerLocal getRuleMangerLocal() {
  |         try {
  |             return (RuleManagerLocal) new
InitialContext().lookup("lpr/RuleManager/local");
  |         } catch (NamingException e) {
  |             throw new LPRException(LPRErrorCode.SYSTEM_INTERNAL_ERROR, "Failed to
get RuleManagerRemote", e);
  |         } catch (Throwable t) {
  |             throw new LPRException(LPRErrorCode.SYSTEM_INTERNAL_ERROR, "Failed to
get RuleManagerRemote", t);
  |         }
  |     }
  | }
  | 
  | 

exception stack trace

  | 
  | 09:51:20,994 ERROR [STDERR] java.lang.RuntimeException:
com.logica.heca.lpr.common.exception.LPRException: Failed to get Rule
  | ManagerRemote
  | 09:51:20,994 ERROR [STDERR]     at
org.jboss.ejb3.interceptor.LifecycleInterceptorHandler.postConstruct(LifecycleInterceptorH
  | andler.java:113)
  | 09:51:20,994 ERROR [STDERR]     at
org.jboss.ejb3.EJBContainer.invokePostConstruct(EJBContainer.java:623)
  | 09:51:20,994 ERROR [STDERR]     at
org.jboss.ejb3.AbstractPool.create(AbstractPool.java:131)
  | 09:51:20,994 ERROR [STDERR]     at
org.jboss.ejb3.InfinitePool.get(InfinitePool.java:49)
  | 09:51:20,994 ERROR [STDERR]     at
org.jboss.ejb3.ThreadlocalPool.create(ThreadlocalPool.java:50)
  | 09:51:20,994 ERROR [STDERR]     at
org.jboss.ejb3.ThreadlocalPool.get(ThreadlocalPool.java:90)
  | 09:51:20,994 ERROR [STDERR]     at
org.jboss.ejb3.cache.simple.SimpleStatefulCache.create(SimpleStatefulCache.java:315)
  | 09:51:21,010 ERROR [STDERR]     at
org.jboss.ejb3.stateful.StatefulContainer.dynamicInvoke(StatefulContainer.java:320)
  | 09:51:21,010 ERROR [STDERR]     at
org.jboss.ejb3.remoting.IsLocalInterceptor.invokeLocal(IsLocalInterceptor.java:81)
  | 09:51:21,010 ERROR [STDERR]     at
org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:72)
  | 09:51:21,010 ERROR [STDERR]     at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 09:51:21,010 ERROR [STDERR]     at
org.jboss.ejb3.stateful.StatefulRemoteProxy.invoke(StatefulRemoteProxy.java:139)
  | 09:51:21,010 ERROR [STDERR]     at $Proxy116.processContact(Unknown Source)
  | 09:51:21,010 ERROR [STDERR]     at
com.logica.heca.lpr.services.facade.RuleEngineFacade.process(RuleEngineFacade.java:31)
  | 09:51:21,010 ERROR [STDERR]     at
com.logica.heca.lpr.dataLoader.DataLoaderThread.run(DataLoaderThread.java:129)
  | 09:51:21,010 ERROR [STDERR] Caused by:
com.logica.heca.lpr.common.exception.LPRException: Failed to get RuleManagerRemote
  | 09:51:21,010 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getRuleMangerLocal(RuleBaseBuilder.java:95)
  | 
  | 09:51:21,010 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getDBRules(RuleBaseBuilder.java:82)
  | 09:51:21,010 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.buildRuleBase(RuleBaseBuilder.java:63)
  | 09:51:21,010 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getRuleBase(RuleBaseBuilder.java:48)
  | 09:51:21,010 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleEngineBean.getRuleBase(RuleEngineBean.java:46)
  | 09:51:21,010 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
  | 09:51:21,010 ERROR [STDERR]     at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 09:51:21,010 ERROR [STDERR]     at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 09:51:21,010 ERROR [STDERR]     at java.lang.reflect.Method.invoke(Method.java:597)
  | 09:51:21,010 ERROR [STDERR]     at
org.jboss.ejb3.interceptor.LifecycleInvocationContextImpl.proceed(LifecycleInvocationConte
  | xtImpl.java:159)
  | 09:51:21,010 ERROR [STDERR]     at
org.jboss.ejb3.interceptor.LifecycleInterceptorHandler.postConstruct(LifecycleInterceptorH
  | andler.java:109)
  | 09:51:21,010 ERROR [STDERR]     ... 14 more
  | 09:51:21,010 ERROR [STDERR] Caused by: javax.naming.CommunicationException [Root
exception is java.lang.ClassNotFoundExceptio
  | n: No ClassLoaders found for: com.logica.heca.lpr.services.RuleManagerLocal (no
security manager: RMI class loader disabled)]
  | 
  | 09:51:21,010 ERROR [STDERR]     at
org.jnp.interfaces.NamingContext.lookup(NamingContext.java:786)
  | 09:51:21,010 ERROR [STDERR]     at
org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627)
  | 09:51:21,010 ERROR [STDERR]     at
javax.naming.InitialContext.lookup(InitialContext.java:392)
  | 09:51:21,010 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getRuleMangerLocal(RuleBaseBuilder.java:93)
  | 
  | 09:51:21,010 ERROR [STDERR]     ... 24 more
  | 09:51:21,025 ERROR [STDERR] Caused by: java.lang.ClassNotFoundException: No
ClassLoaders found for: com.logica.heca.lpr.servi
  | ces.RuleManagerLocal (no security manager: RMI class loader disabled)
  | 09:51:21,025 ERROR [STDERR]     at
sun.rmi.server.LoaderHandler.loadProxyClass(LoaderHandler.java:535)
  | 09:51:21,025 ERROR [STDERR]     at
java.rmi.server.RMIClassLoader$2.loadProxyClass(RMIClassLoader.java:628)
  | 09:51:21,025 ERROR [STDERR]     at
org.jboss.system.JBossRMIClassLoader.loadProxyClass(JBossRMIClassLoader.java:82)
  | 09:51:21,025 ERROR [STDERR]     at
java.rmi.server.RMIClassLoader.loadProxyClass(RMIClassLoader.java:294)
  | 09:51:21,025 ERROR [STDERR]     at
sun.rmi.server.MarshalInputStream.resolveProxyClass(MarshalInputStream.java:238)
  | 09:51:21,025 ERROR [STDERR]     at
java.io.ObjectInputStream.readProxyDesc(ObjectInputStream.java:1531)
  | 09:51:21,025 ERROR [STDERR]     at
java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1493)
  | 09:51:21,025 ERROR [STDERR]     at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
  | 09:51:21,025 ERROR [STDERR]     at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  | 09:51:21,025 ERROR [STDERR]     at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  | 09:51:21,025 ERROR [STDERR]     at
java.rmi.MarshalledObject.get(MarshalledObject.java:142)
  | 09:51:21,025 ERROR [STDERR]     at
org.jnp.interfaces.MarshalledValuePair.get(MarshalledValuePair.java:72)
  | 09:51:21,025 ERROR [STDERR]     at
org.jnp.interfaces.NamingContext.lookup(NamingContext.java:710)
  | 09:51:21,025 ERROR [STDERR]     ... 27 more
  | 09:51:21,307 ERROR [DataLoaderThread] What happend?  ... we got an unexpected
Exception in the worker thread [DataLoaderThrea
  | d-26]. The thread terminates
  | javax.ejb.EJBException: java.lang.RuntimeException:
com.logica.heca.lpr.common.exception.LPRException: Failed to get RuleMana
  | gerRemote
  |         at
org.jboss.ejb3.cache.simple.SimpleStatefulCache.create(SimpleStatefulCache.java:337)
  |         at
org.jboss.ejb3.stateful.StatefulContainer.dynamicInvoke(StatefulContainer.java:320)
  |         at
org.jboss.ejb3.remoting.IsLocalInterceptor.invokeLocal(IsLocalInterceptor.java:81)
  |         at
org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:72)
  |         at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at
org.jboss.ejb3.stateful.StatefulRemoteProxy.invoke(StatefulRemoteProxy.java:139)
  |         at $Proxy116.processContact(Unknown Source)
  |         at
com.logica.heca.lpr.services.facade.RuleEngineFacade.process(RuleEngineFacade.java:31)
  |         at
com.logica.heca.lpr.dataLoader.DataLoaderThread.run(DataLoaderThread.java:129)
  | Caused by: java.lang.RuntimeException:
com.logica.heca.lpr.common.exception.LPRException: Failed to get RuleManagerRemote
  |         at
org.jboss.ejb3.interceptor.LifecycleInterceptorHandler.postConstruct(LifecycleInterceptorHandler.java:113)
  |         at org.jboss.ejb3.EJBContainer.invokePostConstruct(EJBContainer.java:623)
  |         at org.jboss.ejb3.AbstractPool.create(AbstractPool.java:131)
  |         at org.jboss.ejb3.InfinitePool.get(InfinitePool.java:49)
  |         at org.jboss.ejb3.ThreadlocalPool.create(ThreadlocalPool.java:50)
  |         at org.jboss.ejb3.ThreadlocalPool.get(ThreadlocalPool.java:90)
  |         at
org.jboss.ejb3.cache.simple.SimpleStatefulCache.create(SimpleStatefulCache.java:315)
  |         ... 8 more
  | Caused by: com.logica.heca.lpr.common.exception.LPRException: Failed to get
RuleManagerRemote
  |         at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getRuleMangerLocal(RuleBaseBuilder.java:95)
  |         at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getDBRules(RuleBaseBuilder.java:82)
  |         at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.buildRuleBase(RuleBaseBuilder.java:63)
  |         at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getRuleBase(RuleBaseBuilder.java:48)
  |         at
com.logica.heca.lpr.ruleengine.RuleEngineBean.getRuleBase(RuleEngineBean.java:46)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at
org.jboss.ejb3.interceptor.LifecycleInvocationContextImpl.proceed(LifecycleInvocationContextImpl.java:159)
  |         at
org.jboss.ejb3.interceptor.LifecycleInterceptorHandler.postConstruct(LifecycleInterceptorHandler.java:109)
  |         ... 14 more
  | Caused by: javax.naming.CommunicationException [Root exception is
java.lang.ClassNotFoundException: No ClassLoaders found for
  | : com.logica.heca.lpr.services.RuleManagerLocal (no security manager: RMI class loader
disabled)]
  |         at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:786)
  |         at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627)
  |         at javax.naming.InitialContext.lookup(InitialContext.java:392)
  |         at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getRuleMangerLocal(RuleBaseBuilder.java:93)
  |         ... 24 more
  | Caused by: java.lang.ClassNotFoundException: No ClassLoaders found for:
com.logica.heca.lpr.services.RuleManagerLocal (no sec
  | urity manager: RMI class loader disabled)
  |         at sun.rmi.server.LoaderHandler.loadProxyClass(LoaderHandler.java:535)
  |         at java.rmi.server.RMIClassLoader$2.loadProxyClass(RMIClassLoader.java:628)
  |         at
org.jboss.system.JBossRMIClassLoader.loadProxyClass(JBossRMIClassLoader.java:82)
  |         at java.rmi.server.RMIClassLoader.loadProxyClass(RMIClassLoader.java:294)
  |         at
sun.rmi.server.MarshalInputStream.resolveProxyClass(MarshalInputStream.java:238)
  |         at java.io.ObjectInputStream.readProxyDesc(ObjectInputStream.java:1531)
  |         at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1493)
  |         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.rmi.MarshalledObject.get(MarshalledObject.java:142)
  |         at org.jnp.interfaces.MarshalledValuePair.get(MarshalledValuePair.java:72)
  |         at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:710)
  |         ... 27 more
  | 09:51:21,338 ERROR [STDERR] Exception in thread "DataLoaderThread-26"
  | 09:51:21,338 ERROR [STDERR] java.lang.RuntimeException: javax.ejb.EJBException:
java.lang.RuntimeException: com.logica.heca.l
  | pr.common.exception.LPRException: Failed to get RuleManagerRemote
  | 09:51:21,338 ERROR [STDERR]     at
com.logica.heca.lpr.dataLoader.DataLoaderThread.run(DataLoaderThread.java:199)
  | 09:51:21,338 ERROR [STDERR] Caused by: javax.ejb.EJBException:
java.lang.RuntimeException: com.logica.heca.lpr.common.excepti
  | on.LPRException: Failed to get RuleManagerRemote
  | 09:51:21,338 ERROR [STDERR]     at
org.jboss.ejb3.cache.simple.SimpleStatefulCache.create(SimpleStatefulCache.java:337)
  | 09:51:21,338 ERROR [STDERR]     at
org.jboss.ejb3.stateful.StatefulContainer.dynamicInvoke(StatefulContainer.java:320)
  | 09:51:21,338 ERROR [STDERR]     at
org.jboss.ejb3.remoting.IsLocalInterceptor.invokeLocal(IsLocalInterceptor.java:81)
  | 09:51:21,338 ERROR [STDERR]     at
org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:72)
  | 09:51:21,338 ERROR [STDERR]     at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 09:51:21,354 ERROR [STDERR]     at
org.jboss.ejb3.stateful.StatefulRemoteProxy.invoke(StatefulRemoteProxy.java:139)
  | 09:51:21,354 ERROR [STDERR]     at $Proxy116.processContact(Unknown Source)
  | 09:51:21,354 ERROR [STDERR]     at
com.logica.heca.lpr.services.facade.RuleEngineFacade.process(RuleEngineFacade.java:31)
  | 09:51:21,354 ERROR [STDERR]     at
com.logica.heca.lpr.dataLoader.DataLoaderThread.run(DataLoaderThread.java:129)
  | 09:51:21,354 ERROR [STDERR] Caused by: java.lang.RuntimeException:
com.logica.heca.lpr.common.exception.LPRException: Failed
  | to get RuleManagerRemote
  | 09:51:21,354 ERROR [STDERR]     at
org.jboss.ejb3.interceptor.LifecycleInterceptorHandler.postConstruct(LifecycleInterceptorH
  | andler.java:113)
  | 09:51:21,354 ERROR [STDERR]     at
org.jboss.ejb3.EJBContainer.invokePostConstruct(EJBContainer.java:623)
  | 09:51:21,354 ERROR [STDERR]     at
org.jboss.ejb3.AbstractPool.create(AbstractPool.java:131)
  | 09:51:21,354 ERROR [STDERR]     at
org.jboss.ejb3.InfinitePool.get(InfinitePool.java:49)
  | 09:51:21,354 ERROR [STDERR]     at
org.jboss.ejb3.ThreadlocalPool.create(ThreadlocalPool.java:50)
  | 09:51:21,354 ERROR [STDERR]     at
org.jboss.ejb3.ThreadlocalPool.get(ThreadlocalPool.java:90)
  | 09:51:21,354 ERROR [STDERR]     at
org.jboss.ejb3.cache.simple.SimpleStatefulCache.create(SimpleStatefulCache.java:315)
  | 09:51:21,354 ERROR [STDERR]     ... 8 more
  | 09:51:21,354 ERROR [STDERR] Caused by:
com.logica.heca.lpr.common.exception.LPRException: Failed to get RuleManagerRemote
  | 09:51:21,354 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getRuleMangerLocal(RuleBaseBuilder.java:95)
  | 
  | 09:51:21,354 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getDBRules(RuleBaseBuilder.java:82)
  | 09:51:21,369 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.buildRuleBase(RuleBaseBuilder.java:63)
  | 09:51:21,369 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getRuleBase(RuleBaseBuilder.java:48)
  | 09:51:21,369 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleEngineBean.getRuleBase(RuleEngineBean.java:46)
  | 09:51:21,369 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
  | 09:51:21,369 ERROR [STDERR]     at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 09:51:21,369 ERROR [STDERR]     at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 09:51:21,369 ERROR [STDERR]     at java.lang.reflect.Method.invoke(Method.java:597)
  | 09:51:21,369 ERROR [STDERR]     at
org.jboss.ejb3.interceptor.LifecycleInvocationContextImpl.proceed(LifecycleInvocationConte
  | xtImpl.java:159)
  | 09:51:21,369 ERROR [STDERR]     at
org.jboss.ejb3.interceptor.LifecycleInterceptorHandler.postConstruct(LifecycleInterceptorH
  | andler.java:109)
  | 09:51:21,369 ERROR [STDERR]     ... 14 more
  | 09:51:21,369 ERROR [STDERR] Caused by: javax.naming.CommunicationException [Root
exception is java.lang.ClassNotFoundExceptio
  | n: No ClassLoaders found for: com.logica.heca.lpr.services.RuleManagerLocal (no
security manager: RMI class loader disabled)]
  | 
  | 09:51:21,369 ERROR [STDERR]     at
org.jnp.interfaces.NamingContext.lookup(NamingContext.java:786)
  | 09:51:21,385 ERROR [STDERR]     at
org.jnp.interfaces.NamingContext.lookup(NamingContext.java:627)
  | 09:51:21,385 ERROR [STDERR]     at
javax.naming.InitialContext.lookup(InitialContext.java:392)
  | 09:51:21,385 ERROR [STDERR]     at
com.logica.heca.lpr.ruleengine.RuleBaseBuilder.getRuleMangerLocal(RuleBaseBuilder.java:93)
  | 
  | 09:51:21,385 ERROR [STDERR]     ... 24 more
  | 09:51:21,385 ERROR [STDERR] Caused by: java.lang.ClassNotFoundException: No
ClassLoaders found for: com.logica.heca.lpr.servi
  | ces.RuleManagerLocal (no security manager: RMI class loader disabled)
  | 09:51:21,385 ERROR [STDERR]     at
sun.rmi.server.LoaderHandler.loadProxyClass(LoaderHandler.java:535)
  | 09:51:21,385 ERROR [STDERR]     at
java.rmi.server.RMIClassLoader$2.loadProxyClass(RMIClassLoader.java:628)
  | 09:51:21,385 ERROR [STDERR]     at
org.jboss.system.JBossRMIClassLoader.loadProxyClass(JBossRMIClassLoader.java:82)
  | 09:51:21,385 ERROR [STDERR]     at
java.rmi.server.RMIClassLoader.loadProxyClass(RMIClassLoader.java:294)
  | 09:51:21,385 ERROR [STDERR]     at
sun.rmi.server.MarshalInputStream.resolveProxyClass(MarshalInputStream.java:238)
  | 09:51:21,385 ERROR [STDERR]     at
java.io.ObjectInputStream.readProxyDesc(ObjectInputStream.java:1531)
  | 09:51:21,385 ERROR [STDERR]     at
java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1493)
  | 09:51:21,385 ERROR [STDERR]     at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
  | 09:51:21,400 ERROR [STDERR]     at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  | 09:51:21,400 ERROR [STDERR]     at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  | 09:51:21,400 ERROR [STDERR]     at
java.rmi.MarshalledObject.get(MarshalledObject.java:142)
  | 09:51:21,400 ERROR [STDERR]     at
org.jnp.interfaces.MarshalledValuePair.get(MarshalledValuePair.java:72)
  | 09:51:21,400 ERROR [STDERR]     at
org.jnp.interfaces.NamingContext.lookup(NamingContext.java:710)
  | 09:51:21,400 ERROR [STDERR]     ... 27 more
  | 

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[EJB 3.0] - Re: java.lang.RuntimeException: java.lang.ClassCastException