******************************************************************************* * PRIMARY DISCLAIMER: * * It is not recommended that you install this fix unless specifically * instructed to do so by a qualified IBM Technical Support representative. * * Please call your appropriate support location for more information. * For instance, in the United States, you would call 1-800-CALL-AIX. * ******************************************************************************* * * * VISIT OUR PAGES ON THE INTERNET * _______________________________ * * IBM Communications Server Support * http://www.ibm.com/software/network/commserver/support * * * +--------------------------------------------------------------------------+ * * DATE: 12/07/2001 * * DESCRIPTION: * ____________ * * README FILE FOR * * IBM Communications Server for AIX temporary fix ("efix") * * (Installs only on PTF level 6.0.1.1) * APAR: IY26066 * * This package contains APAR fixes to the product above. This * package can be distributed to any one who has a license for * this product. * *+----------------------------------------------------------------------------+ * * * PREREQUISITES : * _______________ * * IBM Communications Server for AIX version 6 * * * PTF: This efix is designed for the fileset sna.rte at the specific * level of 6.0.1.1. It is not designed for any other level of the product * and may cause irreparable damage if inappropriately applied. If you are * in need of this PTF supplement to the product before proceeding with * the download and application of this efix please go to the above support * site and refer to the Code Updates section for details on retrieving the * minimum level of maintenance for this efix. You may also choose instead * to call support directly at 1-800-CALL AIX for more information. * * * No other prerequisites are required for the installation of this efix. * *+----------------------------------------------------------------------------+ * * * PROBLEM FIXED: IY26066 * Module Names: libcpic_r.o * APAR description: * MULTIPLE CONVERSATIONS FAIL WITH TP_BUSY WHEN ISSUED FROM THE * SAME TP INSTANCE. * * ERROR DESCRIPTION: * Customer has an application in an AIX machine that uses the ser * which provides the CBTF to invoke transactions in one IMS throu * one LU6.2 * ALL proccess of invocation work correctly , but the problem app * when two or more requests are done simultaneously * because then only one of them invokes the transaction * while the rest return an error, in the 'allocate' of the conver * or in the method 'sendAndPrepareToReceive'. * In both cases the return code is 20 * The error messages that arrive to application are, respectively, * following: * . * com.ibm.dse.services.comms.DSELu62InvalidRequestException: * Allocate execution was unsuccessful. * com.ibm.dse.services.comms.DSELu62InvalidRequestException: * sendAndPrepareToReceive execution was unsuccessful. * * PROBLEM SUMMARY: * THe problem is caused when a CPI-C app. (java) issues multiple * verbs at once from the same TP instance. * The problem only occurs because the application is doing the * following: * Issuing incoming (cmaccp) and outgoing (cminit) conversations * in the same process. * Issuing multiple converstaions using multi-threading. * Using Synchronous verbs (mandatory for java CPIC). * * PROBLEM CONCLUSION: * Libcpic_r.o changed to handle appl issuing incoming and * outgoing conversations in the same process. * TEMPORARY FIX: Modify appl. to issue tp-start for each outgoing * conversation. * * * Also included in this updated module are fixes for the following APARs: * * iy26066 libcpic_r.o * * No other APAR fixes are included in this module update. * *+----------------------------------------------------------------------------+ * * INSTALLATION INSTRUCTIONS: * __________________________ * * IY26066.tar.Z ("this efix" in the steps below) is a compressed tar archive * file containing the updated modules and this readme. * * * To install this efix: * _____________________________ * * ** Downloading the file: * * 1) Be SURE to download this efix in BINARY format. * * 2) Check the output of sum against the updated module after * uncompressing and untarring this efix. You should see: * * 19282 193 libcpic_r.o * * 3) Make sure that you have backed up your system recently. * * 4) Make sure that you have copies of your configuration files saved * (the /etc/sna directory contents). * * 5) Stop the SNA subsystem with the command * * sna stop * * (IMPORTANT) - Be sure that SNA is stopped. Please issue: * * ps -ef | grep sna* * * If a sna* process exists, use the kill command on the process. * It is also recommended that, if possible you take down any * applications that may try to access CS/AIX. * * 6) Backup your previous versions of the modules listed in this readme * by renaming them. * * mv /usr/lib/sna/libcpic_r.o /usr/lib/sna/libcpic_r.o.original * * 7) Copy this efix's updated module into its/their place(s). * * cp libcpic* /usr/lib/sna * * 8) Restart Communications Server for AIX version 6 * * sna start * snaadmin init_node (and so on)... * * +--------------------------------------------------------------------------+ * * * CONTACT FOR Support: * ____________________ * * If you have any questions, please call the IBM AIX SUPPORT CENTER * for your Country. For example in the USA call: 1-800-CALL-AIX * * * IBM COPYRIGHT INFORMATION: * __________________________ * * IBM Communications Server for AIX version 6 * * * (c)Copyright International Business Machines Corporation 1998, 1999, 2001. * All rights reserved. Note to U.S. Government Users - Documentation * related to restricted rights - Use, duplication or disclosure is * subject to restrictions set forth in GSA ADP Schedule Contract * with IBM Corp. * * * * LIMIT OF LIABILITY: * ___________________ * * License to the contained APAR fixes is conditioned upon the recipient * holding a license to the prerequisite product. The license terms * and conditions of the APAR fixes are the same as those for the * prerequisite product. Please see the product license for specifics. * *******************************************************************************