Examples of javax.ejb.ConcurrentAccessException

javax.ejb.ConcurrentAccessException
A ConcurrentAccessException indicates that the client has attempted an invocation on a stateful session bean while another invocation is in progress.

      }
      else
      {
         synchronized (target)
         {
            if (target.isInInvocation()) throw new ConcurrentAccessException("no concurrent calls on stateful bean '" + container.getName() + "' (EJB3 4.3.13)");
            target.setInInvocation(true);
         }
      }
      ejb.setTargetObject(target.getInstance());
      ejb.setBeanContext(target);

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      }
      else
      {
         synchronized (target)
         {
            if (target.isInInvocation()) throw new ConcurrentAccessException("no concurrent calls on stateful bean '" + container.getName() + "' (EJB3 4.3.13)");
            target.setInInvocation(true);
         }
      }
      ejb.setBeanContext(target);
      StatefulBeanContext.currentBean.push(target);

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                        // Don't delete the referenced group from under us
                        if (ngVO.getId() != securityGroup.getId()) {
                            final SecurityGroupVO tmpGrp = _securityGroupDao.lockRow(ngId, false);
                            if (tmpGrp == null) {
                                s_logger.warn("Failed to acquire lock on security group: " + ngId);
                                throw new ConcurrentAccessException("Failed to acquire lock on security group: " + ngId);
                            }
                        }
                        SecurityGroupRuleVO securityGroupRule = _securityGroupRuleDao.findByProtoPortsAndAllowedGroupId(securityGroup.getId(), protocolFinal, startPortOrTypeFinal,
                                endPortOrCodeFinal, ngVO.getId());
                        if ((securityGroupRule != null) && (securityGroupRule.getRuleType() == ruleType)) {

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                } catch(InterruptedException ie)  {
                    String msg = "Serialized access attempt on method " + inv.beanMethod +
                            " for ejb " + ejbDescriptor.getName() + " was interrupted within " +
                             + lockInfo.getTimeout() + " " + lockInfo.getTimeUnit();
                    ConcurrentAccessException cae = new ConcurrentAccessTimeoutException(msg);
                    cae.initCause(ie);
                    throw cae;
                }
            } else {
                sc.getStatefulWriteLock().lock();
            }

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            String errMsg = "Concurrent Access attempt on method " +
                    inv.beanMethod + " of SessionBean " + ejbDescriptor.getName() +
                    " is prohibited.  SFSB instance is executing another request. "
                + "[session-key: " + sessionKey + "]";
            ConcurrentAccessException conEx = new ConcurrentAccessException(errMsg);


            if (inv.isBusinessInterface) {
                throw conEx;
            } else {
                // there is an invocation in progress for this instance

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                } catch(InterruptedException ie)  {
                    String msg = "Serialized access attempt on method " + inv.beanMethod +
                            " for ejb " + ejbDescriptor.getName() + " was interrupted within " +
                             + lockInfo.getTimeout() + " " + lockInfo.getTimeUnit();
                    ConcurrentAccessException cae = new ConcurrentAccessTimeoutException(msg);
                    cae.initCause(ie);
                    throw cae;
                }
            } else {
                sc.getStatefulWriteLock().lock();
            }

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            String errMsg = "Concurrent Access attempt on method " +
                    inv.beanMethod + " of SessionBean " + ejbDescriptor.getName() +
                    " is prohibited.  SFSB instance is executing another request. "
                + "[session-key: " + sessionKey + "]";
            ConcurrentAccessException conEx = new ConcurrentAccessException(errMsg);


            if (inv.isBusinessInterface) {
                throw conEx;
            } else {
                // there is an invocation in progress for this instance

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      }
      else
      {
         synchronized (target)
         {
            if (target.isInInvocation()) throw new ConcurrentAccessException("no concurrent calls on stateful bean '" + container.getName() + "' (EJB3 4.3.13)");
            target.setInInvocation(true);
         }
      }
      ejb.setBeanContext(target);
      StatefulBeanContext.currentBean.push(target);

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      }
      else
      {
         synchronized (target)
         {
            if (target.isInInvocation()) throw new ConcurrentAccessException("no concurrent calls on stateful bean '" + container.getName() + "' (EJB3 4.3.13)");
            target.setInInvocation(true);
         }
      }
      ejb.setBeanContext(target);
      StatefulBeanContext.currentBean.push(target);

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                } catch(InterruptedException ie)  {
                    String msg = "Serialized access attempt on method " + inv.beanMethod +
                            " for ejb " + ejbDescriptor.getName() + " was interrupted within " +
                             + lockInfo.getTimeout() + " " + lockInfo.getTimeUnit();
                    ConcurrentAccessException cae = new ConcurrentAccessTimeoutException(msg);
                    cae.initCause(ie);
                    throw cae;
                }
            } else {
                sc.getStatefulWriteLock().lock();
            }

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Related Classes of javax.ejb.ConcurrentAccessException

com.cloud.network.security.SecurityGroupManagerImpl

com.sun.ejb.containers.CMCSingletonContainer

com.sun.ejb.containers.StatefulSessionContainer

com.sun.enterprise.iiop.POAProtocolMgr

org.jboss.ejb3.stateful.StatefulInstanceInterceptor

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