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DB2 - Problem description

Problem IC66739 Status: Closed

DOCUMENTATION OF CHANGES IN IBM DATA SERVER DRIVER FOR JDBC AND SQLJ
VERSION 3.59.81/4.9.78 FOR DB2 LUW V9.5 FIXPACK 6

product:
DB2 CONNECT / DB2CONNCT / 950 - DB2
Problem description:
-All Connectivities: Using JDBC JCC T2/T4 to call a z/OS DB2 
stored procedure, a NULL input parameter results in a -4463 
error code returned. (132100) 
-Type-4 Connectivity: A NullPointerException occurs 
when connectionConcentrator property is set to true and 
sysplexWLB property is set to false and the JCC trace is 
enabled. (131088) 
-T4 Connectivity: When enableSysplexWLB is set to 
true, when executing a SQL statement, the driver 
may issue an Exception "A DRDA Data Stream Syntax 
Error was detected. Reason: 0xcbcb. ERRORCODE=-4499, 
SQLSTATE=58009".(131017) 
-Type-4 Connectivity: When PreparedStatement.setNull is 
called with java.sql.Types.LONGVARBINARY, the driver is 
mapping it to a VARCHAR instead of a VARBINARY. The driver 
code has been enhanced to flow VARBINARY when connecting 
to a server that supports it. (125885) 
-All Connectivity types: A looping problem happens while 
executing inside WAS and 
retrieveMessagesFromServerOnGetMessage is set to true and 
the message stored procedure (SQLCAMESSAGECCSID/ 
SQLCAMESSAGE) is missing on the server. (131185) 
-All Connectivities: The getJccSpecialRegisterProperties() 
method throws a -4700 error against DB2 z/OS databases 
running in Compatibility Mode. (131802) 
-All Connectivities: Select of a TIMESTAMP from source column 
 
that has a precision greater than 9 may result in an 
incorrect Timestamp fraction. This has been fixed. (132104) 
-All Connectivities: Using JDBC JCC T2/T4 to call a z/OS DB2 
stored procedure, a NULL input parameter results in a -4463 
error code returned. (132100) 
-T4 Connectivity: When enableSysplexWLB is true, the 
password is null, and one of the following APIs for trusted 
connection switch user is called, the driver may throw 
an exception with message "Null password is not supported. 
ERRORCODE=-4461, java.lang.NullPointerException or The DDM 
object is not supported.  Unsupported DDM object code 
point: 0x2408." (132155) 
1) DB2PooledConnection getDB2Connection (byte[], String, 
 
String, String, byte[], String, java.util.Properties); 
2) DB2Connection reuseDB2Connection (byte[], String, 
String, String, byte[], String, java.util.Properties); 
-All Connectivities: Calling the isDB2Alive() API on a 
connection causes a NullPointerException in a 
multi-threaded environment. (127222) 
 
-All Connectivities:  A connection might not be garbage 
collected if it is not explicitly closed by calling the 
close() API. (133308) 
-T4 Connectivity:  Invoking the DB2Binder with an incorrect 
or unknown URL format causes a NullPointerException. (135321) 
-All Connectivities: Specifying currentSQLID on the 
DB2XSRBinder URL is not honored prior to bind processing 
when DB2XSRBinder is invoked. (135783) 
-T4 Connectivity: The JDBC driver throws a SQLException with 
SQLCODE4499 (-4499) when an update/delete batch greater 
than 32k is executed against DB2 z/OS. (132033) 
-All Connectivities: When the user asks for auto-generated 
keys without providing column names or column indices from 
a view having identity columns, the auto-generated keys 
result set is not returned. (136007) 
 
-All Connectivity Types: The driver throws a 
NullPointerException during SQLJ customization with online 
check off. (134593) 
-All Connectivity Types: 
If currentPackagePath is set for the original connection 
and then connection reuse is invoked, the driver may throw 
a SQLException with error code -805. (133800,136582) 
-All Connectivity Types: 
In the following scenario: 
1. Get a logical connection from a PooledConnection 
2. Call getDB2SystemMonitor, enable and start 
3. Close the logical connection 
4. Get another logical connection from the PooledConnection 
5. Call getDB2SystemMonitor and enable 
The driver will throw an exception "System monitor cannot 
be disabled while actively monitoring. ERRORCODE=-4471, 
SQLSTATE=null". (134220) 
-All Connectivity Types: 
When the property emulateParameterMetaDataForZCalls is set 
to true and the target server is z/OS, 
CallableStatement.getParameterMetaData() may leak 
Statement and ResultSet resources. (134825) 
-All Connectivity Types: 
When the property emulateParameterMetaDataForZCalls is set 
to true and the target server is z/OS, if 
CallableStatement.getParameterMetaData() is called and the 
stored procedure returns resultsets, 
CallableStatement.getResultSet() may cause a 
NullPointerException. (134827) 
-All Connectivity Types: 
Previously, the driver used error code -4228 for batch 
errors. Now the driver uses -4229. (135206) 
-T4 Connectivity: 
For the following trusted switch user APIs, if the 
user is NULL, the driver throws an exception with message 
"Execution failed due to a distribution protocol error 
that caused deallocation of the conversation". The error 
message is changed to "Null userid is not supported". 
1) DB2Connection getDB2Connection (byte[], String, 
String, String, byte[], String, java.util.Properties); 
2) DB2Connection reuseDB2Connection (byte[], String, 
String, String, byte[], String, java.util.Properties); 
(136006) 
-T4 Connectivity: 
When client reroute occurs from a server with a lower level 
security manager to a server with a higher security manager, 
the driver throws a SQLException with SQLCODE4499 (-4499). 
(137441) 
-T4 Connectivity: 
SSL connections will fail if FIPS is enabled. (137497) 
-All Connectivity Types: 
The application may hang if inserting CLOB/BLOB/XML 
data with a 0 length. (139015) 
-T4 Connectivity: 
If the application has the following: 
1. Scrollable cursor 
2. Property useRowsetCursor is set to false 
3. Property progressiveStreaming is not set (default 
   is true) or set to true 
4. The LOB/XML length is greater than streamBufferSize 
The driver may throw SQLException with error code -30073. 
(134359) 
-All Connectivity Types: The driver may throw a 
NullPointerException when calling 
ResultSet.updateRow()/Result.InsertRow(). (138224) 
-All Connectivity Types: 
An ArrayIndexOutOfBoundException may be thrown for a 
heterogeneous batch in static SQLJ if the batched 
statements have different numbers of parameter markers. (139796) 
-SQLJ (All Connectivity Types): 
SQLJ Iterator isClosed() returns an incorrect result if the 
underlying JDBC ResultSet was closed implicitly by 
the driver. For example, a forward-only ResultSet is closed 
by the driver after fetching the last row. The ResultSet 
is marked closed. However, SQLJ Iterators did not reflect 
the true state using the isClosed() call. (135746) 
-Type-4 Connectivity: Under a sysplexWLB environment, an 
exception with SQLCODE204 (-204) might be thrown while 
executing a SQL if there was an error with SQLCODE4499 
(-4499) previously thrown on that connection. (132491) 
-Type-4 XA Connectivity: Under a sysplexWLB environment, 
an XAException with XAER_PROTO error might be thrown at 
XA End if there was a previous error with SQLCODE4499 
(-4499) thrown during execution of a global transaction. 
(133178) 
-Type-4 Connectivity: Under a sysplexWLB environment, 
the workload among the sysplex members was not well 
balanced. (134755) 
-Type-4 Connectivity: Under a sysplexWLB environment, 
when trying to get an initial connection by calling the 
DB2ConnectionPoolDataSource.getConnection() method, 
a NullPointerException might be thrown after multiple 
reoccurring SQLCODE4499 (-4499) errors because some of the 
sysplex members were unavailable. (137437) 
-Type-4 Connectivity: Under a sysplexWLB environment 
with the sslConnection property enabled, the driver fails 
to failover to other sysplex members if the current member 
goes down in the middle of a transaction. (138627) 
-Type-4 Connectivity: Under a sysplexWLB environment, 
an exception with SQLCODE204 (-204) will be thrown while 
executing the first SQL if there is a special register 
property set in the DataSource, and a rollback is the 
first method called before any SQL statement is 
executed after the connection is opened. (138991) 
-Type-4 Connectivity:  Under a sysplexWLB environment, the 
CLIENT_APPLNAME special register might be missing after a 
transaction boundary if the CLIENT_APPLNAME special 
register was originally set at the data source level by 
calling dataSource.setClientApplicationInformation(). (132276) 
-Type-4 Connectivity: Under a sysplexWLB environment, if 
failover occurs during a reset, a SQLException with 
SQLCODE4499 (-4499) and a SQLException with SQLCODE30108 
(-30108) are thrown. (135453) 
-Type-4 XA Connectivity: Under a sysplexWLB environment, an 
exception with SQLCODE4499 (-4499), reason code 0x13, and 
SQLSTATE=58009 might be thrown if the underlying 
XAConnection is a trusted connection opened by 
XADataSource.getDB2TrustedXAConnection(). (135452) 
-Type-4 Connectivity: Running under a heavy workload 
sysplexWLB environment and periodically stopping and 
restarting the sysplex members, the JCC driver might not 
distribute the workload properly. (135451) 
-Type-4 XA Connectivity: A SQLCODE4499 with a null 
socketOutputStream error might be thrown against a DB2 z/OS 
server under non-sysplexWLB environment. (136885) 
-Type-4 XA Connectivity: An XAException with XAER_PROTO or 
XAER_DUPID error might occur at the time of XA END for a 
global transaction when using an XADataSource with the 
enableSysplexWLB property set to false and the 
enableClientAffinitiesList property enabled. (135964) 
-Type-4 Connectivity: Under a sysplexWLB environment, the 
JCC driver might not distribute the workload properly if 
Statement.cancel() is called to cancel a long running 
transaction. (137109) 
-All Connectivities: 
1) ParameterMetaData/ResultSetMetaData.getColumnType 
incorrectly return TIMESTAMPTZ = -100010 and will now 
return java.sql.Types.OTHER = 1111. 
2) JCC does not throw an exception when the input time zone 
value for DBTimestamp.valueOfDBString is beyond the range 
of -23:59 and +23.59.  The driver will now throw an 
exception with message "Time Zone format must be in the 
format of (+/-)th:tm, where the th value is between 0 and 
23, and tm value is between 00 and 59". (135331) 
-All Connectivities : The driver is not showing the stored 
procedure name in the error message for (SQLCODE444). 
The error message for stored procedures is displayed as 
"The load module name for the stored procedure, {0}, 
is not found on the server.". (136696) 
-All Connectivities : The driver throws an exception if the 
isolation level is not known when calling 
DatabaseMetaData.supportsTransactionIsolationLevel(). 
This has been changed to return false instead. (137374) 
-All Connectivity Types: A 
StringIndexOutOfBoundsException is encountered 
when a java.sql.Statement is used to execute a query and 
setMaxRows is called before each execution but with a 
different value.  (133241) 
-Type-4 Connectivity: Driver throws an exception with 
SQLCODE4499 (-4499) with message "Actual code point, 
0x2f does not match expected code point, 0x2408" when 
calling a stored procedure on DB2 for z/OS while going 
through the gateway and the stored procedure is defined 
with "COMMIT ON RETURN YES". (134363) 
-Type-4 Connectivity: Driver is incorrectly attempting to 
re-establish a connection upon communication failures 
if DNS is configured with at least 2 IP addresses 
even if no client reroute properties are configured. (137501) 
-All Connectivity Types:  An extra space is injected into the 
string literal when escape syntax is used with a return 
value. (137966) 
-Type-4 Connectivity: Driver does not try to reroute 
to an alternate server if a communication failure occurs 
while inserting a large object and throws an exception with 
SQLCODE4499 (-4499) with message "A communication error 
occurred during operations on the connection's underlying 
socket, socket input stream, or socket output stream." (137300) 
-Type-4 Connectivity: When driver properties 
"affinityFailbackInterval", "enableSeamlessFailover" 
and "enableClientAffinitiesList" are enabled, 
driver throws an exception with SQLCODE4470 (-4470) 
with message "Invalid operation: statement is closed." 
following a successful failover if driver has processed an 
agent permanent reply message in the failover process. (137660) 
-Type-4 Connectivity: When driver properties 
"affinityFailbackInterval" and "sslConnection" are both 
enabled, driver fails to failback to the primary server 
because it was not creating a SSL socket to detect 
the availability of the failback server. (137301) 
-Type-4 Connectivity: When driver properties 
"affinityFailbackInterval", "enableSeamlessFailover" 
and "enableClientAffinitiesList" are enabled, driver 
fails to failback to the primary server if the primary 
server is stopped and restarted. (137964) 
-Type-4 Connectivity: Driver throws an exception with 
SQLCODE4499 (-4499) with message "The DDM object is 
not supported. Unsupported DDM object code point: 0x220a" 
while inserting a BigDecimal via the gateway going to 
DB2 for iSeries. (138861) 
-All Connectivities: The driver returns a 
com.ibm.db2.jcc.DBTimestamp object which is a subclass of 
java.sql.Timestamp instead of a java.sql.Timestamp object 
when standard JDBC APIs are called for returning a timestamp 
object. This can cause a ClassNotFoundException if the 
object is deserialized over network where the driver is not 
in the classpath.  We now will only return 
java.sql.Timestamp object in the standard JDBC APIs. (136053) 
-Type-4 XA Connectivity: An XAER_OUTSIDE exception will be 
thrown when the application is starting a global 
transaction after 1) executing an executeQuey() statement 
within a local transaction, 2) the result set returned by 
the DB2 server needs more than one network round trip, and 
3) the QUERY_CLOSE_IMPLICIT_COMMIT feature is supported by 
the DB2 server. (140048) 
-Type-2 LUW Connectivity: Calling the DB2Administrator API 
getCatalogueDatabases() in multiple threads could result in 
a java JVM core dump. (140482)
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* Users of the IBM Data Server Driver for JDBC and SQLJ        * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to V9.5 Fixpack 6                                    * 
****************************************************************
Local Fix:
n/a
available fix packs:
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows

Solution
Problems fixed in DB2 LUW V9.5 Fixpack 6
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
28.02.2010
22.06.2010
22.06.2010
Problem solved at the following versions (IBM BugInfos)
9.5.FP6
Problem solved according to the fixlist(s) of the following version(s)