/// <summary> </summary>
private IScheduler Instantiate()
{
if (cfg == null)
{
Initialize();
}
if (initException != null)
{
throw initException;
}
ISchedulerExporter exporter = null;
IJobStore js;
IThreadPool tp;
QuartzScheduler qs = null;
DBConnectionManager dbMgr = null;
Type instanceIdGeneratorType = null;
NameValueCollection tProps;
bool autoId = false;
TimeSpan idleWaitTime = TimeSpan.Zero;
TimeSpan dbFailureRetry = TimeSpan.FromSeconds(15);
IThreadExecutor threadExecutor;
SchedulerRepository schedRep = SchedulerRepository.Instance;
// Get Scheduler Properties
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string schedName = cfg.GetStringProperty(PropertySchedulerInstanceName, "QuartzScheduler");
string threadName = cfg.GetStringProperty(PropertySchedulerThreadName, "{0}_QuartzSchedulerThread".FormatInvariant(schedName));
string schedInstId = cfg.GetStringProperty(PropertySchedulerInstanceId, DefaultInstanceId);
if (schedInstId.Equals(AutoGenerateInstanceId))
{
autoId = true;
instanceIdGeneratorType = LoadType(cfg.GetStringProperty(PropertySchedulerInstanceIdGeneratorType)) ?? typeof(SimpleInstanceIdGenerator);
}
else if (schedInstId.Equals(SystemPropertyAsInstanceId))
{
autoId = true;
instanceIdGeneratorType = typeof(SystemPropertyInstanceIdGenerator);
}
Type typeLoadHelperType = LoadType(cfg.GetStringProperty(PropertySchedulerTypeLoadHelperType));
Type jobFactoryType = LoadType(cfg.GetStringProperty(PropertySchedulerJobFactoryType, null));
idleWaitTime = cfg.GetTimeSpanProperty(PropertySchedulerIdleWaitTime, idleWaitTime);
if (idleWaitTime > TimeSpan.Zero && idleWaitTime < TimeSpan.FromMilliseconds(1000))
{
throw new SchedulerException("quartz.scheduler.idleWaitTime of less than 1000ms is not legal.");
}
dbFailureRetry = cfg.GetTimeSpanProperty(PropertySchedulerDbFailureRetryInterval, dbFailureRetry);
if (dbFailureRetry < TimeSpan.Zero)
{
throw new SchedulerException(PropertySchedulerDbFailureRetryInterval + " of less than 0 ms is not legal.");
}
bool makeSchedulerThreadDaemon = cfg.GetBooleanProperty(PropertySchedulerMakeSchedulerThreadDaemon);
long batchTimeWindow = cfg.GetLongProperty(PropertySchedulerBatchTimeWindow, 0L);
int maxBatchSize = cfg.GetIntProperty(PropertySchedulerMaxBatchSize, 1);
bool interruptJobsOnShutdown = cfg.GetBooleanProperty(PropertySchedulerInterruptJobsOnShutdown, false);
bool interruptJobsOnShutdownWithWait = cfg.GetBooleanProperty(PropertySchedulerInterruptJobsOnShutdownWithWait, false);
NameValueCollection schedCtxtProps = cfg.GetPropertyGroup(PropertySchedulerContextPrefix, true);
bool proxyScheduler = cfg.GetBooleanProperty(PropertySchedulerProxy, false);
// Create type load helper
ITypeLoadHelper loadHelper;
try
{
loadHelper = ObjectUtils.InstantiateType<ITypeLoadHelper>(typeLoadHelperType ?? typeof(SimpleTypeLoadHelper));
}
catch (Exception e)
{
throw new SchedulerConfigException("Unable to instantiate type load helper: {0}".FormatInvariant(e.Message), e);
}
loadHelper.Initialize();
// If Proxying to remote scheduler, short-circuit here...
// ~~~~~~~~~~~~~~~~~~
if (proxyScheduler)
{
if (autoId)
{
schedInstId = DefaultInstanceId;
}
Type proxyType = loadHelper.LoadType(cfg.GetStringProperty(PropertySchedulerProxyType)) ?? typeof(RemotingSchedulerProxyFactory);
IRemotableSchedulerProxyFactory factory;
try
{
factory = ObjectUtils.InstantiateType<IRemotableSchedulerProxyFactory>(proxyType);
ObjectUtils.SetObjectProperties(factory, cfg.GetPropertyGroup(PropertySchedulerProxy, true));
}
catch (Exception e)
{
initException = new SchedulerException("Remotable proxy factory '{0}' could not be instantiated.".FormatInvariant(proxyType), e);
throw initException;
}
string uid = QuartzSchedulerResources.GetUniqueIdentifier(schedName, schedInstId);
RemoteScheduler remoteScheduler = new RemoteScheduler(uid, factory);
schedRep.Bind(remoteScheduler);
return remoteScheduler;
}
IJobFactory jobFactory = null;
if (jobFactoryType != null)
{
try
{
jobFactory = ObjectUtils.InstantiateType<IJobFactory>(jobFactoryType);
}
catch (Exception e)
{
throw new SchedulerConfigException("Unable to Instantiate JobFactory: {0}".FormatInvariant(e.Message), e);
}
tProps = cfg.GetPropertyGroup(PropertySchedulerJobFactoryPrefix, true);
try
{
ObjectUtils.SetObjectProperties(jobFactory, tProps);
}
catch (Exception e)
{
initException = new SchedulerException("JobFactory of type '{0}' props could not be configured.".FormatInvariant(jobFactoryType), e);
throw initException;
}
}
IInstanceIdGenerator instanceIdGenerator = null;
if (instanceIdGeneratorType != null)
{
try
{
instanceIdGenerator = ObjectUtils.InstantiateType<IInstanceIdGenerator>(instanceIdGeneratorType);
}
catch (Exception e)
{
throw new SchedulerConfigException("Unable to Instantiate InstanceIdGenerator: {0}".FormatInvariant(e.Message), e);
}
tProps = cfg.GetPropertyGroup(PropertySchedulerInstanceIdGeneratorPrefix, true);
try
{
ObjectUtils.SetObjectProperties(instanceIdGenerator, tProps);
}
catch (Exception e)
{
initException = new SchedulerException("InstanceIdGenerator of type '{0}' props could not be configured.".FormatInvariant(instanceIdGeneratorType), e);
throw initException;
}
}
// Get ThreadPool Properties
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Type tpType = loadHelper.LoadType(cfg.GetStringProperty(PropertyThreadPoolType)) ?? typeof(SimpleThreadPool);
try
{
tp = ObjectUtils.InstantiateType<IThreadPool>(tpType);
}
catch (Exception e)
{
initException = new SchedulerException("ThreadPool type '{0}' could not be instantiated.".FormatInvariant(tpType), e);
throw initException;
}
tProps = cfg.GetPropertyGroup(PropertyThreadPoolPrefix, true);
try
{
ObjectUtils.SetObjectProperties(tp, tProps);
}
catch (Exception e)
{
initException = new SchedulerException("ThreadPool type '{0}' props could not be configured.".FormatInvariant(tpType), e);
throw initException;
}
// Set up any DataSources
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string[] dsNames = cfg.GetPropertyGroups(PropertyDataSourcePrefix);
for (int i = 0; i < dsNames.Length; i++)
{
string datasourceKey = "{0}.{1}".FormatInvariant( PropertyDataSourcePrefix, dsNames[i]);
NameValueCollection propertyGroup = cfg.GetPropertyGroup(datasourceKey, true);
PropertiesParser pp = new PropertiesParser(propertyGroup);
Type cpType = loadHelper.LoadType(pp.GetStringProperty(PropertyDbProviderType, null));
// custom connectionProvider...
if (cpType != null)
{
IDbProvider cp;
try
{
cp = ObjectUtils.InstantiateType<IDbProvider>(cpType);
}
catch (Exception e)
{
initException = new SchedulerException("ConnectionProvider of type '{0}' could not be instantiated.".FormatInvariant(cpType), e);
throw initException;
}
try
{
// remove the type name, so it isn't attempted to be set
pp.UnderlyingProperties.Remove(PropertyDbProviderType);
ObjectUtils.SetObjectProperties(cp, pp.UnderlyingProperties);
cp.Initialize();
}
catch (Exception e)
{
initException = new SchedulerException("ConnectionProvider type '{0}' props could not be configured.".FormatInvariant(cpType), e);
throw initException;
}
dbMgr = DBConnectionManager.Instance;
dbMgr.AddConnectionProvider(dsNames[i], cp);
}
else
{
string dsProvider = pp.GetStringProperty(PropertyDataSourceProvider, null);
string dsConnectionString = pp.GetStringProperty(PropertyDataSourceConnectionString, null);
string dsConnectionStringName = pp.GetStringProperty(PropertyDataSourceConnectionStringName, null);
if (dsConnectionString == null && !String.IsNullOrEmpty(dsConnectionStringName))
{
ConnectionStringSettings connectionStringSettings = ConfigurationManager.ConnectionStrings[dsConnectionStringName];
if (connectionStringSettings == null)
{
initException = new SchedulerException("Named connection string '{0}' not found for DataSource: {1}".FormatInvariant(dsConnectionStringName, dsNames[i]));
throw initException;
}
dsConnectionString = connectionStringSettings.ConnectionString;
}
if (dsProvider == null)
{
initException = new SchedulerException("Provider not specified for DataSource: {0}".FormatInvariant(dsNames[i]));
throw initException;
}
if (dsConnectionString == null)
{
initException = new SchedulerException("Connection string not specified for DataSource: {0}".FormatInvariant(dsNames[i]));
throw initException;
}
try
{
DbProvider dbp = new DbProvider(dsProvider, dsConnectionString);
dbp.Initialize();
dbMgr = DBConnectionManager.Instance;
dbMgr.AddConnectionProvider(dsNames[i], dbp);
}
catch (Exception exception)
{
initException = new SchedulerException("Could not Initialize DataSource: {0}".FormatInvariant(dsNames[i]), exception);
throw initException;
}
}
}
// Get object serializer properties
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
IObjectSerializer objectSerializer;
string objectSerializerType = cfg.GetStringProperty("quartz.serializer.type");
if (objectSerializerType != null)
{
tProps = cfg.GetPropertyGroup(PropertyObjectSerializer, true);
try
{
objectSerializer = ObjectUtils.InstantiateType<IObjectSerializer>(loadHelper.LoadType(objectSerializerType));
log.Info("Using custom implementation for object serializer: " + objectSerializerType);
ObjectUtils.SetObjectProperties(objectSerializer, tProps);
}
catch (Exception e)
{
initException = new SchedulerException("Object serializer type '" + objectSerializerType + "' could not be instantiated.", e);
throw initException;
}
}
else
{
log.Info("Using default implementation for object serializer");
objectSerializer = new DefaultObjectSerializer();
}
// Get JobStore Properties
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Type jsType = loadHelper.LoadType(cfg.GetStringProperty(PropertyJobStoreType));
try
{
js = ObjectUtils.InstantiateType<IJobStore>(jsType ?? typeof(RAMJobStore));
}
catch (Exception e)
{
initException = new SchedulerException("JobStore of type '{0}' could not be instantiated.".FormatInvariant(jsType), e);
throw initException;
}
SchedulerDetailsSetter.SetDetails(js, schedName, schedInstId);
tProps = cfg.GetPropertyGroup(PropertyJobStorePrefix, true, new string[] {PropertyJobStoreLockHandlerPrefix});
try
{
ObjectUtils.SetObjectProperties(js, tProps);
}
catch (Exception e)
{
initException = new SchedulerException("JobStore type '{0}' props could not be configured.".FormatInvariant(jsType), e);
throw initException;
}
if (js is JobStoreSupport)
{
// Install custom lock handler (Semaphore)
Type lockHandlerType = loadHelper.LoadType(cfg.GetStringProperty(PropertyJobStoreLockHandlerType));
if (lockHandlerType != null)
{
try
{
ISemaphore lockHandler;
ConstructorInfo cWithDbProvider = lockHandlerType.GetConstructor(new Type[] {typeof (DbProvider)});
if (cWithDbProvider != null)
{
// takes db provider
IDbProvider dbProvider = DBConnectionManager.Instance.GetDbProvider(((JobStoreSupport) js).DataSource);
lockHandler = (ISemaphore) cWithDbProvider.Invoke(new object[] { dbProvider });
}
else
{
lockHandler = ObjectUtils.InstantiateType<ISemaphore>(lockHandlerType);
}
tProps = cfg.GetPropertyGroup(PropertyJobStoreLockHandlerPrefix, true);
// If this lock handler requires the table prefix, add it to its properties.
if (lockHandler is ITablePrefixAware)
{
tProps[PropertyTablePrefix] = ((JobStoreSupport) js).TablePrefix;
tProps[PropertySchedulerName] = schedName;
}
try
{
ObjectUtils.SetObjectProperties(lockHandler, tProps);
}
catch (Exception e)
{
initException = new SchedulerException("JobStore LockHandler type '{0}' props could not be configured.".FormatInvariant(lockHandlerType), e);
throw initException;
}
((JobStoreSupport) js).LockHandler = lockHandler;
Log.Info("Using custom data access locking (synchronization): " + lockHandlerType);
}
catch (Exception e)
{
initException = new SchedulerException("JobStore LockHandler type '{0}' could not be instantiated.".FormatInvariant(lockHandlerType), e);
throw initException;
}
}
}
// Set up any SchedulerPlugins
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string[] pluginNames = cfg.GetPropertyGroups(PropertyPluginPrefix);
ISchedulerPlugin[] plugins = new ISchedulerPlugin[pluginNames.Length];
for (int i = 0; i < pluginNames.Length; i++)
{
NameValueCollection pp = cfg.GetPropertyGroup("{0}.{1}".FormatInvariant(PropertyPluginPrefix, pluginNames[i]), true);
string plugInType = pp[PropertyPluginType] ?? null;
if (plugInType == null)
{
initException = new SchedulerException("SchedulerPlugin type not specified for plugin '{0}'".FormatInvariant(pluginNames[i]));
throw initException;
}
ISchedulerPlugin plugin;
try
{
plugin = ObjectUtils.InstantiateType<ISchedulerPlugin>(LoadType(plugInType));
}
catch (Exception e)
{
initException = new SchedulerException("SchedulerPlugin of type '{0}' could not be instantiated.".FormatInvariant(plugInType), e);
throw initException;
}
try
{
ObjectUtils.SetObjectProperties(plugin, pp);
}
catch (Exception e)
{
initException = new SchedulerException("JobStore SchedulerPlugin '{0}' props could not be configured.".FormatInvariant(plugInType), e);
throw initException;
}
plugins[i] = plugin;
}
// Set up any JobListeners
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string[] jobListenerNames = cfg.GetPropertyGroups(PropertyJobListenerPrefix);
IJobListener[] jobListeners = new IJobListener[jobListenerNames.Length];
for (int i = 0; i < jobListenerNames.Length; i++)
{
NameValueCollection lp = cfg.GetPropertyGroup("{0}.{1}".FormatInvariant(PropertyJobListenerPrefix, jobListenerNames[i]), true);
string listenerType = lp[PropertyListenerType];
if (listenerType == null)
{
initException = new SchedulerException("JobListener type not specified for listener '{0}'".FormatInvariant(jobListenerNames[i]));
throw initException;
}
IJobListener listener;
try
{
listener = ObjectUtils.InstantiateType<IJobListener>(loadHelper.LoadType(listenerType));
}
catch (Exception e)
{
initException = new SchedulerException("JobListener of type '{0}' could not be instantiated.".FormatInvariant(listenerType), e);
throw initException;
}
try
{
PropertyInfo nameProperty = listener.GetType().GetProperty("Name", BindingFlags.Public | BindingFlags.Instance);
if (nameProperty != null && nameProperty.CanWrite)
{
nameProperty.GetSetMethod().Invoke(listener, new object[] {jobListenerNames[i]});
}
ObjectUtils.SetObjectProperties(listener, lp);
}
catch (Exception e)
{
initException = new SchedulerException("JobListener '{0}' props could not be configured.".FormatInvariant(listenerType), e);
throw initException;
}
jobListeners[i] = listener;
}
// Set up any TriggerListeners
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string[] triggerListenerNames = cfg.GetPropertyGroups(PropertyTriggerListenerPrefix);
ITriggerListener[] triggerListeners = new ITriggerListener[triggerListenerNames.Length];
for (int i = 0; i < triggerListenerNames.Length; i++)
{
NameValueCollection lp = cfg.GetPropertyGroup("{0}.{1}".FormatInvariant(PropertyTriggerListenerPrefix, triggerListenerNames[i]), true);
string listenerType = lp[PropertyListenerType];
if (listenerType == null)
{
initException = new SchedulerException("TriggerListener type not specified for listener '{0}'".FormatInvariant(triggerListenerNames[i]));
throw initException;
}
ITriggerListener listener;
try
{
listener = ObjectUtils.InstantiateType<ITriggerListener>(loadHelper.LoadType(listenerType));
}
catch (Exception e)
{
initException = new SchedulerException("TriggerListener of type '{0}' could not be instantiated.".FormatInvariant(listenerType), e);
throw initException;
}
try
{
PropertyInfo nameProperty = listener.GetType().GetProperty("Name", BindingFlags.Public | BindingFlags.Instance);
if (nameProperty != null && nameProperty.CanWrite)
{
nameProperty.GetSetMethod().Invoke(listener, new object[] {triggerListenerNames[i]});
}
ObjectUtils.SetObjectProperties(listener, lp);
}
catch (Exception e)
{
initException = new SchedulerException("TriggerListener '{0}' props could not be configured.".FormatInvariant(listenerType), e);
throw initException;
}
triggerListeners[i] = listener;
}
// Get exporter
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string exporterType = cfg.GetStringProperty(PropertySchedulerExporterType, null);
if (exporterType != null)
{
try
{
exporter = ObjectUtils.InstantiateType<ISchedulerExporter>(loadHelper.LoadType(exporterType));
}
catch (Exception e)
{
initException = new SchedulerException("Scheduler exporter of type '{0}' could not be instantiated.".FormatInvariant(exporterType), e);
throw initException;
}
tProps = cfg.GetPropertyGroup(PropertySchedulerExporterPrefix, true);
try
{
ObjectUtils.SetObjectProperties(exporter, tProps);
}
catch (Exception e)
{
initException = new SchedulerException("Scheduler exporter type '{0}' props could not be configured.".FormatInvariant(exporterType), e);
throw initException;
}
}
bool tpInited = false;
bool qsInited = false;
// Get ThreadExecutor Properties
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string threadExecutorClass = cfg.GetStringProperty(PropertyThreadExecutorType);
if (threadExecutorClass != null)
{
tProps = cfg.GetPropertyGroup(PropertyThreadExecutor, true);
try
{
threadExecutor = ObjectUtils.InstantiateType<IThreadExecutor>(loadHelper.LoadType(threadExecutorClass));
log.Info("Using custom implementation for ThreadExecutor: " + threadExecutorClass);
ObjectUtils.SetObjectProperties(threadExecutor, tProps);
}
catch (Exception e)
{
initException = new SchedulerException(
"ThreadExecutor class '" + threadExecutorClass + "' could not be instantiated.", e);
throw initException;
}
}
else
{
log.Info("Using default implementation for ThreadExecutor");
threadExecutor = new DefaultThreadExecutor();
}
// Fire everything up
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
try
{
IJobRunShellFactory jrsf = new StdJobRunShellFactory();
if (autoId)
{
try
{
schedInstId = DefaultInstanceId;
if (js.Clustered)
{
schedInstId = instanceIdGenerator.GenerateInstanceId();
}
}
catch (Exception e)
{
Log.Error("Couldn't generate instance Id!", e);
throw new SystemException("Cannot run without an instance id.");
}
}
if (js is JobStoreSupport)
{
JobStoreSupport jjs = (JobStoreSupport) js;
jjs.DbRetryInterval = dbFailureRetry;
jjs.ThreadExecutor = threadExecutor;
// object serializer
jjs.ObjectSerializer = objectSerializer;
}
QuartzSchedulerResources rsrcs = new QuartzSchedulerResources();
rsrcs.Name = schedName;
rsrcs.ThreadName = threadName;
rsrcs.InstanceId = schedInstId;
rsrcs.JobRunShellFactory = jrsf;
rsrcs.MakeSchedulerThreadDaemon = makeSchedulerThreadDaemon;
rsrcs.BatchTimeWindow = TimeSpan.FromMilliseconds(batchTimeWindow);
rsrcs.MaxBatchSize = maxBatchSize;
rsrcs.InterruptJobsOnShutdown = interruptJobsOnShutdown;
rsrcs.InterruptJobsOnShutdownWithWait = interruptJobsOnShutdownWithWait;
rsrcs.SchedulerExporter = exporter;
SchedulerDetailsSetter.SetDetails(tp, schedName, schedInstId);
rsrcs.ThreadExecutor = threadExecutor;
threadExecutor.Initialize();
rsrcs.ThreadPool = tp;
if (tp is SimpleThreadPool)
{
((SimpleThreadPool) tp).ThreadNamePrefix = schedName + "_Worker";
}
tp.Initialize();
tpInited = true;
rsrcs.JobStore = js;
// add plugins
for (int i = 0; i < plugins.Length; i++)
{
rsrcs.AddSchedulerPlugin(plugins[i]);
}
qs = new QuartzScheduler(rsrcs, idleWaitTime, dbFailureRetry);
qsInited = true;
// Create Scheduler ref...
IScheduler sched = Instantiate(rsrcs, qs);
// set job factory if specified
if (jobFactory != null)
{
qs.JobFactory = jobFactory;
}
// Initialize plugins now that we have a Scheduler instance.
for (int i = 0; i < plugins.Length; i++)
{
plugins[i].Initialize(pluginNames[i], sched);
}
// add listeners
for (int i = 0; i < jobListeners.Length; i++)
{
qs.ListenerManager.AddJobListener(jobListeners[i], EverythingMatcher<JobKey>.AllJobs());
}
for (int i = 0; i < triggerListeners.Length; i++)
{
qs.ListenerManager.AddTriggerListener(triggerListeners[i], EverythingMatcher<TriggerKey>.AllTriggers());
}
// set scheduler context data...
foreach (string key in schedCtxtProps)
{
string val = schedCtxtProps.Get(key);
sched.Context.Put(key, val);
}
// fire up job store, and runshell factory
js.InstanceId = schedInstId;
js.InstanceName = schedName;
js.ThreadPoolSize = tp.PoolSize;
js.Initialize(loadHelper, qs.SchedulerSignaler);
jrsf.Initialize(sched);
qs.Initialize();
Log.Info("Quartz scheduler '{0}' initialized".FormatInvariant(sched.SchedulerName));
Log.Info("Quartz scheduler version: {0}".FormatInvariant(qs.Version));
// prevents the repository from being garbage collected
qs.AddNoGCObject(schedRep);
// prevents the db manager from being garbage collected
if (dbMgr != null)
{
qs.AddNoGCObject(dbMgr);
}
schedRep.Bind(sched);
return sched;
}
catch (SchedulerException)
{
if (qsInited)
{
qs.Shutdown(false);
}
else if (tpInited)
{
tp.Shutdown(false);
}
throw;
}
catch
{
if (qsInited)
{
qs.Shutdown(false);
}
else if (tpInited)
{
tp.Shutdown(false);
}
throw;
}
}
private void ShutdownFromInstantiateException(IThreadPool tp, QuartzScheduler qs, bool tpInited, bool qsInited)
{
try
{
if (qsInited)
{
qs.Shutdown(false);
}
else if (tpInited)
{
tp.Shutdown(false);
}
}
catch (Exception e)
{
Log.Error("Got another exception while shutting down after instantiation exception", e);
}
}