Express (Distributed operating systems), v8.0 > Reference > Messages
SESN
SESN0015E: The database invalidation of timed out sessions has encountered an error.
Explanation An error occurred when invalidating a timed out database session. Action If a SQLException has occurred, refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source the for Session Manager.
SESN0016E: The database invalidation of timed out sessions has encountered an error.
Explanation An error occurred when invalidating a timed out database session. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0019E: The session timeout is not at least 3 times the Time Based Write Interval.
Explanation When Time Based Writes are used, the session timeout must be at least 3 times the Write Interval. The session timeout was temporarily corrected. Action Update the Session Manager configuration values so that the session timeout is at least 3 times the Time Based Write Interval.
SESN0026E: A problem occurred processing HttpSessionBindingListeners stored in the database.
Explanation An error occurred when processing HttpSessionBindingListeners stored in the database. Action If a SQLException has occurred,refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0028E: Encountered an exception getting an EJB Object using the EJB Handle. The EJBObject was previously added to the session. A RemoteException was encountered while issuing the getEJBObject method from the EJB handle.
Explanation An error occurred when getting an enterprise bean (EJB) object using the EJB handle. The EJBObject was previously added to the session. A RemoteException occured while issuing the getEJBObject method from the handle. Action Refer to EJB documentation.
SESN0029E: Encountered an exception getting an EJB Home using the EJB Home Handle. The EJBHome was previously added to the session. A RemoteException was encountered while issuing the getEJBHome method from Handle.
Explanation An error occured when getting an enterprise bean (EJB) Home using the EJB Home Handle. The EJBHome was previously added to the session. A RemoteException was encountered while issuing the getEJBHome method from Handle. Action Refer to EJB documentation.
SESN0030E: Encountered an exception getting to the Initial Context. An InitialContext was previously added to the session. A NamingException was encountered while reconstructing the javax.naming.InitialContext method.
Explanation An error occurred when getting at the Initial Context. An InitialContext was previously added to the session. A NamingException was encountered while reconstructing the javax.naming.InitialContext method. Action Refer to naming server documentation for the error message.
SESN0031E: Encountered an exception getting EJB Home. An EJBHome was added to the session. A RemoteException occurred while issuing the getHomeHandle method.
Explanation An error occurred when getting EJB Home. An EJBHome was added to the session. A RemoteException occurred while issuing the getHomeHandle method. Action Refer to EJB documentation.
SESN0032E: Encountered an exception getting EJB Handle. An EJBObject was put to the session. A RemoteException occurred while issuing the getHandle method.
Explanation An error occurred when getting EJB Handle. An EJBObject was put to the session. A RemoteException occurred while issuing the getHandle method. Action Refer to EJB documentation.
SESN0033E: A javax.naming.Context was put to the session and a RemoteException occurred while issuing getEnvironment()on javax.naming.Context.
Explanation A javax.naming.Context was put to the session and a RemoteException occurred while issuing getEnvironment()on javax.naming.Context. Action Refer to naming server documentation for the error message.
SESN0034E: An attempt to deserialize a session object from the database has resulted in a ClassNotFoundException. The object to be deserialized must be contained in the classpath for all JVMs that can access the session.
Explanation An attempt to deserialize a session object from the database has resulted in a ClassNotFoundException. The object to be deserialized must be contained in the class path for all JVMs that can access the session. Action Update the class path so that attribute deserialized is in the class path of the application.
SESN0035E: An error occurred when trying to remove a session from the database.
Explanation An error occurred when trying to remove a session from the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0036E: An error occurred when trying to invalidate a session in the database.
Explanation An error occurred when trying to invalidate a session in the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0037E: An error occurred when trying to poll the database for invalid sessions.
Explanation An error occurred when trying to poll the database for non valid sessions. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0038E: An error occurred when trying to get a connection to the database.
Explanation An error occurred when trying to get a connection to the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0039E: A database error has occurred.
Explanation A database error has occurred. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0040E: Exception caught while trying to serialize session data for subsequent database write.
Explanation The session data may be too large to serialize. Action Either put less data in the session or consider configuring Session Manager for multi-row database mode.
SESN0041E: An error occurred when trying to store a session in the database.
Explanation An error occurred when trying to store a session in the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0042E: An error occurred when trying to insert a session into the database.
Explanation An error occurred when trying to insert a session into the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0043E: An error occurred when trying to obtain the configured datasource.
Explanation An error occurred when trying to obtain the configured data source. Action Ensure that we have properly configured a data source. When Session Manager persistence is enabled the Session Manager configuration must contain a valid data source.
SESN0044E: An error occurred when trying to read in an object of the application data for a session from the database.
Explanation An error occurred when trying to read in an object of the application data for a session from the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for theSession Manager.
SESN0047E: An error occurred when trying to initialize the database.
Explanation An error occurred when trying to initialize the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0051E: An attempt to deserialize a session object from the backend has resulted in a ClassNotFoundException.
Explanation An attempt to deserialize a session object from the backend has resulted in a ClassNotFoundException. The object to be deserialized must be contained in the class path for all JVMs that can access the session. Action Update the class path so that attribute deserialized is in the class path of the application.
SESN0055E: An attempt was made to write more than 2M to the large column.
Explanation The session data may be too large for the database column. Action Either put less data in the session or consider configuring Session Manager for MultiRow database mode.
SESN0056E: An exception was encountered when the getValue or getAttribute method was called to read the value from the database.
Explanation An exception was encountered when the getValue or getAttribute method was called to read the value from the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0057E: An error occurred when storing application data changes to the database.
Explanation An error occurred when storing application data changes to the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0062E: An exception has been detected while attempting to update the database with the session last access times.
Explanation An exception has been detected while attempting to update the database with the session last access times. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0063E: An exception has been detected while attempting to access the database.
Explanation An exception has been detected while attempting to access the database. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0126I: {0} service has initialized successfully.
Explanation The z/OS Controller Service for HttpSession support in DRS has initialized successfully. Action This message is for informational purposes only.
SESN0127E: caught exception:
Explanation An exception was caught in the specified method. Action More info at:
SESN0128E: ERROR creating DRSControllerProxy: caught exception
Explanation The specified method caught an exception while creating the DRSControllerProxy. Action More info at:
SESN0129E: ERROR creating DRSControllerProxy reference: caught exception
Explanation The specified method caught an exception while creating the DRSControllerProxy reference. Action More info at:
SESN0130E: joinHAGroup returned null
Explanation In the specified method the call to joinHAGroup returned null. Action More info at:
SESN0131E: caught exception while creating callback:
Explanation The specified method caught an exception while creating a callback. Action More info at:
SESN0132E: passed parameter entryKey = null: Attempt to create entry is aborted.
Explanation The specified method was passed a null entryKey parameter. The attempt to create entry is aborted. Action More info at:
SESN0133E: passed parameter value = null: Attempt to create entry is aborted.
Explanation The specified method was passed a null value for the value parameter. The attempt to create entry is aborted. Action More info at:
SESN0134E: Error creating DRS Instance in the Control Region : caught remote exception:
Explanation The specified method caught a remote exception while creating the DRS Instance in the Control Region. Action More info at:
SESN0135E: Error creating DRS Instance in the Control Region : caught exception:
Explanation The specified method caught an exception while creating the DRS Instance in the Control Region. Action More info at:
SESN0136E: Error creating SessionContext Group Instance in the Control Region : caught exception:
Explanation The specified method caught an exception while creating the SessionContext Group Instance in the Control Region. Action More info at:
SESN0137E: DRSBootstrapMsg parameter = null.
Explanation The specified method was passed a null value for the DRSBootstrapMsg parameter. Action More info at:
SESN0138E: event parameter = null.
Explanation The specified method was passed a null value for the event parameter. Action More info at:
SESN0139E: cannot acquire proxy for token {0}.
Explanation The specified method was unable to acquire a proxy for the specified token. Action More info at:
SESN0140E: cannot convert token to byte array: token = {0}.
Explanation The specified method cannot convert the token to a byte array. Action More info at:
SESN0141E: cannot convert event {0} to byte array.
Explanation The specified method cannot convert the event to a byte array. Action More info at:
SESN0142I: HttpSessDRSControllerVars DRS Instance {0} received event REPLICATION_UP.
Explanation The specified HttpSessDRSControllerVars DRS Instance received event REPLICATION_UP. Action This message is for informational purposes only.
SESN0143I: HttpSessDRSControllerVars DRS Instance {0} received event REPLICATION_DOWN.
Explanation The specified HttpSessDRSControllerVars DRS Instance received event REPLICATION_DOWN. Action This message is for informational purposes only.
SESN0144I: HttpSessDRSControllerVars DRS Instance {0} received event IS_CONGESTED.
Explanation The specified HttpSessDRSControllerVars DRS Instance received event IS_CONGESTED. Action This message is for informational purposes only.
SESN0145I: HttpSessDRSControllerVars DRS Instance {0} received event NOT_CONGESTED.
Explanation The specified HttpSessDRSControllerVars DRS Instance received event NOT_CONGESTED. Action This message is for informational purposes only.
SESN0146E: entryKey converted to a string key is null.
Explanation In the specified method, the string key converted from the entryKey is null. Action More info at:
SESN0147E: Error: Servant with token {0} is registered but appears in the unregistered table.
Explanation The servant is registered, but the token appears in the unregistered table. Action More info at:
SESN0148E: Error: Servant with token {0} is registered but does not appear in the registered table.
Explanation The servant is registered, but the token does not appear in the registered table. Action More info at:
SESN0149E: Error: Servant with token {0} is unregistered but appears in the registered table.
Explanation The servant is unregistered, but the token appears in the registered table. Action More info at:
SESN0150E: Error: context returned for instance {0} is null.
Explanation The context returned on lookup for the instance is null. Action More info at:
SESN0151E: token parameter = null.
Explanation The specified method was passed a null value for the token parameter. Action More info at:
SESN0152E: Error: attempt to add token that already exists.
Explanation The specified method was passed a token to add that already exists. Action More info at:
SESN0153E: Error: Expected token {0} does not match tmp2 {1}.
Explanation The specified token does not match the token in tmp2. Action More info at:
SESN0154E: Error: Returned byte array could not be converted to an object.
Explanation The returned byte array could not be converted to an object. Action More info at:
SESN0155E: Error: Returned byte array is null.
Explanation The returned byte array is null. Action More info at:
SESN0156E: cannot create proxy for token {0}.
Explanation The specified method was unable to create a proxy for the specified token. Action More info at:
SESN0157E: Error: Method was called in incorrect environment.
Explanation The specified method was called in a non-control region environment. Action More info at:
SESN0158E: Error: context is null for stoken = {0} and id = {1}.
Explanation The context is null for the specified stoken and id. Action More info at:
SESN0159E: Error: cannot get unregistered entry for stoken {0}.
Explanation Unable to get an unregistered entry for the stoken. Action More info at:
SESN0160E: Error: cannot locate unregistered entry for stoken {0}.
Explanation Unable to locate an unregistered entry for the stoken. Action More info at:
SESN0161E: GroupName parameter is null.
Explanation The specified method was passed a null value for the GroupName parameter. Action More info at:
SESN0162E: token = null: failed to create control region instance.
Explanation The specified method failed to create the control region instance. Action More info at:
SESN0163E: Error: registerServant returned null.
Explanation The call to registerServant returned null. Action More info at:
SESN0164E: Error: stoken {0} does not match stokenTest {1}.
Explanation The specified stoken does not match the stokenTest token. Action More info at:
SESN0165E: Error: token {0} is not in the token array.
Explanation The specified stoken is not in the token array. Action More info at:
SESN0166E: instanceOffset error in the token table: token = {0}, instanceOffset is not >= 0.
Explanation The specified method encountered an instanceOffset error while processing the token. Action More info at:
SESN0167E: Error: confirmServantRegistration returned null.
Explanation The call to confirmServantRegistration returned null. Action More info at:
SESN0168E: Error: value parameter converted to session is null.
Explanation In the specified method, the session converted from the value parameter is null. Action More info at:
SESN0181E: Table exists, but with the wrong definition.
Explanation The session database table has been created incorrectly. Action Drop the table manually.
SESN0182E: Unable to start Local Transaction.
Explanation An error occurred when attempting to start a Local Transaction. Action More info at:
SESN0183E: Local Transaction rolled-back due to setRollbackOnly
Explanation An error occurred while cleaning up a Local Transaction causing it to be rolled back. Action More info at:
SESN0184I: Defer write until next time since session is in the service method {0}
Explanation The session cannot be persisted right now because it is currenly being accessed by a servlet. It will be persisted on the next run of the Time Based Writer thread. Action This message is for informational purposes only.
SESN0185E: Got a null database connection.
Explanation Got a null database connection. Action If a SQLException has occurred then refer to the appropriate database documentation for the environment. Also, ensure that we have properly configured a data source for the Session Manager.
SESN0186W: ComponentMetaDataAccessor is null.
Explanation Unable to access the ComponentMetaDataAccessor. Action More info at:
SESN0187I: This property is too big {0}
Explanation The specified property is too large for the database. Action Reduce the size of the property or do not store it in the session.
SESN0188I: Memory To Memory mode for application {0} is {1}
Explanation Mode for Memory To Memory replication for this app. Action This message is for informational purposes only.
SESN0189E: Timed out waiting to access the session. The Serialize Session Access feature is configured not to allow access.
Explanation The Serialize Session Access feature is enabled and configured not to allow access on timeout. Action Check for hung applications, possibly by dumping the threads of the application server. Consider either increasing the timout, or allowing session access on timeout.
SESN0190E: CoreStack service is null, unable to join HAGroup for {0}
Explanation Unable to access the CoreStack service and join the HAGroup. Action More info at:
SESN0191E: Unable to create session backing store on zOS. The createEntry for session {0} will be abandoned
Explanation An error occurred creating the session backing store on zOS. Action More info at:
SESN0192E: Call to registerSession method for id {0} failed with return code {1}
Explanation Unable to establish zOS servant affinity for this session. Action More info at:
SESN0193E: Call to unregisterSession method for id {0} failed with rc {1}
Explanation Unable to release zOS servant affinity for this session. Action More info at:
SESN0197W: The zOS server ID could not be determined so it will default to -1.
Explanation Server id was not obtained from server.xml. Action Correct the configuration if necessary.
SESN0198E: Caught exception while getting the zOS server ID so it will default to -1.
Explanation An error occurred while getting the zOS server ID Action More info at:
SESN0199I: HttpSession Unmanaged Server Replication has been enabled.
Explanation This zOS base server will replicate session data for servant failover. Action This message is for informational purposes only.
SESN0200E: Caught Exception while trying to serialize.
Explanation Object was not able to be serialized Action Make sure object is serializable.
SESN0201E: Failed to convert attribute {0}
Explanation Attribute could not be serialized. Action Make sure object is serializable.
SESN0202E: Failed to replicate attribute {0}
Explanation Attribute could not be serialized Action Make sure object is serializable.
SESN0203W: Cannot store attribute {0} with the same name as the session ID in a database multi-row configuration. The attribute will not be persisted.
Explanation A session attribute name cannot match the session ID in a database multi-row configuration. Action Change the session attribute name in order to have the attribute persisted.
SESN0204E: The Application Server cannot start the session manager using memory-to-memory replication because there is a problem with the {0} replication domain.
Explanation The Application Server cannot locate the defined replication domain. Action Create the replication domain and restart the server or disable memory-to-memory session replication for all of the applications.
SESN0205W: There is an incorrect index on the database used for session.
Explanation It appears that the session index in your table was created outside of the Application Server. Action Drop the index and restart the Application Server.