DFHXCxxxx messages

DFHXC6600I
applid CAVM DATA SET INITIALIZATION FAILED.
Explanation:

The CICS job which displayed this message attempted to sign on to the CAVM but the signon request failed because the CAVM data sets could not be initialized properly. This is due to one of the following:

System action:

See following message issued by this CICS job.

User response:

Correct the JCL or redefine the CAVM data sets if necessary and resubmit the CICS job. See the CICS® System Definition Guide for information on CAVM data sets.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6601I
applid DD STATEMENT MISSING FOR CAVM DATA SET dsname
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to open the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6602I
applid CAVM DATA SET dsname MUST RESIDE ON DASD.
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to open the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6603I
applid CAVM DATA SET dsname IS INVALID.
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to open the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6604I
applid CAVM DATA SET dsname MUST BE A VSAM ESDS.
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to open the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6605I
applid CI SIZE OF PAIRED CAVM DATA SETS MUST BE EQUAL.
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to open the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6606I
applid CI SIZE OF CAVM DATA SET dsname MUST BE AT LEAST 4K.
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to open the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6607I
applid SIGNON IS WAITING TO RESERVE OR ACCESS CAVM DATA SET dsname
Explanation:

The CICS job which displayed this message issued a sign on to the CAVM. CAVM is attempting to reserve or access the CAVM data set indicated in the message text, but for some considerable time, either the required resource has remained unavailable or an outstanding I/O request has not completed. The reason for issuing this particular message cannot be failure of a conditional reserve request unless new empty CAVM data sets are being used for the first time. The reserve attempt should not fail anyway unless another CICS job using the same CAVM data set and executing a sign on, sign-off or takeover request has been held up, possibly by I/O delays, after issuing a successful reserve. I/O delay might be caused by reserves issued by jobs (not necessarily CICS) running in other CECs that have made the CAVM data set’s DASD volume temporarily inaccessible.

System action:

After a short delay, the CICS job that displayed this message either reissues the conditional reserve macro or checks for completion of the outstanding I/O. If the required resource is now available or the I/O request has completed, normal processing continues. Otherwise, this message is reissued.

User response:

None, unless the condition persists. If so, another CEC might have failed after reserving the DASD volume containing a CAVM data set. In this case, follow your installation’s operations procedure for removing an outstanding reserve for a shared DASD. (For example, issue system reset on the failed CEC.)

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6608I
applid I/O ERROR ACCESSING CAVM DATA SET dsname DURING SIGNON.
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to access the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6609I
applid CAVM DATA SET dsname IS OF THE WRONG TYPE OR ITS FORMAT IS INCOMPATIBLE WITH THIS CODE LEVEL.
Explanation:

The CICS job that displayed this message issued a SIGNON to the CAVM. However, the CAVM found that the information in the data set’s control record either did not agree with its intended use or had been placed there by an incompatible level of CAVM code. This will occur if:

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6610I
applid CAVM DATA SET dsname DOES NOT BELONG TO THE GENERIC APPLID SPECIFIED AT SIGNON.
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. However, the CAVM found that the generic APPLID specified in the sign on request did not match that saved in the CAVM data set’s control record when the data set was first formatted.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6611I
applid CAVM DATA SETS DO NOT FORM A VALID PAIR.
Explanation:

The CICS job that displayed this message issued a SIGNON to the CAVM. However, the CAVM found that the time stamps that were placed in the control records of the two data sets when they were first formatted do not match. This will occur unless the two CAVM data sets were used for the first time as a pair by a single CICS job.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6612I
applid MULTIPLE VOLUMES ARE NOT SUPPORTED FOR CAVM DATA SET dsname
Explanation:

The CICS job that displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to OPEN the CAVM data sets but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6613I
applid MULTIPLE UNITS ARE NOT SUPPORTED FOR CAVM DATA SET dsname
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to open the CAVM data sets but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6614I
applid CONCATENATION IS NOT SUPPORTED FOR CAVM DATA SET dsname
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to open the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6615I
applid ALLOCATION CHANGE DURING SIGNON IS NOT SUPPORTED FOR CAVM DATA SET dsname
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to OPEN the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6616I
applid CAVM CONTROL AND MESSAGE DATA SETS MUST BE DISTINCT.
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to format the CAVM data sets, but the ddnames DFHXRMSG and DFHXRCTL refer to the same data set.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6617I
applid OBTAIN ERROR WHILE FORMATTING CAVM DATA SET dsname
Explanation:

The CICS job which displayed this message issued a SIGNON to the CAVM. The CAVM is attempting to gain exclusive access to a CAVM data set to format it. The CAVM issued a reserve macro specifying the DASD device allocated for the data set and then issued an OBTAIN macro for the volume’s Format-4 DSCB to cause a hardware reserve command to be executed if necessary. Possible causes of the OBTAIN failure are:

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6618I
applid SPACE ALLOCATED TO CAVM DATA SET dsname IS INADEQUATE.
Explanation:

The CICS job which issued this message issued a SIGNON to the CAVM. The CAVM is attempting to format the CAVM data sets, but the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN3

DFHXC6620I
applid SIGNON IS WAITING TO RESERVE OR ACCESS A CAVM DATA SET.
Explanation:

The CICS job that displayed this message issued a sign on to the CAVM. CAVM is attempting to reserve the CAVM control data set or access either the control or the message data set, but for some considerable time either the required resource has remained unavailable or an outstanding I/O request has not completed. The reserve attempt should not fail unless another CICS job using the same CAVM data set and executing a sign on, sign-off or takeover request has been held up, possibly by I/O delays, after issuing a successful reserve. I/O delay might be caused by reserves issued by jobs (not necessarily CICS) running in other CECs that have made the CAVM data set’s DASD volume temporarily inaccessible.

System action:

See message DFHXC6607.

User response:

See message DFHXC6607.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6621I
applid CAVM SIGNON CANNOT PROCEED BECAUSE JES IS EITHER NOT RUNNING OR NOT RESPONDING TO JOB STATUS ENQUIRIES.
Explanation:

The CICS job that displayed this message issued a sign on to the CAVM. To process the request, CAVM needs to know the status of a job identified by an entry in the control data set, but cannot obtain this information for the reason given in the message text.

System action:

After a one minute delay, the CICS job that displayed this message reissues the failing job status enquiry. If the request is completed successfully this time, normal processing continues. Otherwise, this message is reissued.

User response:

If JES is not running, restart it if possible. Otherwise, if the condition persists, try to correct the problem that is preventing job status enquiries from being answered. In some cases, just stopping JES and restarting it again may achieve the desired effect. In a JES2 environment, a possible cause of this trouble is that another CEC has failed after reserving the DASD volume containing the check-point data set. See message DFHXC6607. In a JES3 environment, job status enquiries cannot be answered if the global processor has failed.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6622I
applid ERROR IN INQUIRE HEALTH EXIT DURING SIGNON.
Explanation:

The CICS job that displayed this message issued a SIGNON to the CAVM, but the return code passed back to CAVM by the INQUIRE HEALTH exit (DFHXRC) when it was called during sign on processing was nonzero. This message always indicates an internal error in CAVM or CICS.

System action:

CAVM SIGNON continues but XRF function is probably degraded.

User response:

Inform your installation’s system programmer.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6623I
applid CAVM SIGNON IMPOSSIBLE AT PRESENT BECAUSE ANOTHER JOB HAS SIGNED ON WITH THE SAME SPECIFIC APPLID.
Explanation:

The CICS job which issued this message issued a SIGNON to the CAVM, but the request cannot be accepted because the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

None unless the wrong specific applid has been requested for the new job or the conflicting job was started by mistake. If so, resubmit the failing CICS job with appropriate corrections or after canceling the conflicting job.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6624I
applid CAVM SIGNON IMPOSSIBLE BECAUSE SMF IS NOT ACTIVE FOR THE REQUESTING JOB.
Explanation:

The CICS job which issued this message issued a SIGNON to the CAVM, but the request cannot be accepted because the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

Re-IPL the MVS system, ensuring that the system parameters chosen include SMF.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6625I
applid CAVM SIGNON IMPOSSIBLE BECAUSE CAVM DATA SETS ARE UNUSABLE.
Explanation:

The CICS job which issued this message issued a SIGNON to the CAVM, but the request cannot be accepted because the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

See message DFHXC6600

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6626D
applid POSSIBLE CAVM SIGNON CONFLICT. IS JOB jobname,jesno RUNNING ON SYSTEM sid? REPLY 'YES' OR 'NO'.
Explanation:

The CICS job which issued this message issued a SIGNON to the CAVM but the CAVM needs the operator’s help in order to decide whether it is safe to accept the request. The CAVM has found that the control data set refers to a job satisfying all the following conditions:

Such a situation might have arisen as a result of a failure of the CEC in which the conflicting job was running and if so, the CAVM should not reject the sign on request unless it finds another reason for doing so. If the job which displayed this message is a CICS active, the conflicting job is another active or an alternate which has started a takeover. If the job which displayed this message is a CICS alternate, the conflicting job is another alternate. The jobname, JES job identifier and CEC SMF identifier of the conflicting job are specified in the message text.

System action:

The CICS job waits for a reply.

User response:

If the job which displayed this message is a CICS active job, reply NO only if:

  1. You are certain that the job referred to in the message text is not executing. It might be necessary to perform a System Reset of the CEC where it was running to guarantee this.

    AND

  2. The job which issued this message ought to continue with its CAVM sign on request and become the CICS active job.

Otherwise reply YES.

If the job which displayed this message is a CICS alternate job, reply NO only if:

  1. You are certain that the job referred to in the message text is not executing. It might be necessary to perform a System Reset of the CEC where it was running to guarantee this.

    AND

  2. The job which issued this message ought to continue with its CAVM sign on request and become the CICS alternate job.

Otherwise reply YES.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6627I
applid CAVM SIGNON IMPOSSIBLE BECAUSE THIS JOB IS CURRENTLY SIGNED ON OR WAS ONCE AN ACTIVE SYSTEM.
Explanation:

The CICS job which issued this message issued a SIGNON to the CAVM, but the request cannot be accepted because the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

This message indicates an internal error has occurred.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6628I
applid CAVM SIGNON IMPOSSIBLE AT PRESENT BECAUSE CONFLICTING JOB(S) HAVE NOT YET SIGNED OFF OR TERMINATED.
Explanation:

The CICS job which issued this message issued a SIGNON to the CAVM, but the request cannot be accepted because the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

None unless the wrong START option has been requested for the new job or the conflicting job(s) were started by mistake. If so, resubmit the failing CICS job with appropriate corrections or after canceling the conflicting job(s).

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6629I
applid CAVM SIGNON IMPOSSIBLE BECAUSE REQUESTING JOB AND SIGNED-ON JOB(S) DO NOT SHARE A COMMON JES JOB QUEUE.
Explanation:

The CICS job which issued this message issued a sign on to the CAVM, but the request cannot be accepted because the error condition described in the message text has been detected.

System action:

See following message issued by this CICS job.

User response:

If any of the signed on jobs are running under the control of the wrong JES, cancel them. Resubmit the failing job and any that had to be canceled, ensuring that all are running under the control of either a single JES or multiple JESs that share a common job queue.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSN2

DFHXC6630I
applid TAKEOVER REJECTED BECAUSE LAST ACTIVE SIGNED OFF NORMALLY.
Explanation:

The CICS job that issued this message issued a takeover request to the CAVM but the request has been rejected due to the error condition described in the message text.

System action:

See following message issued by this CICS job.

User response:

None

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTKV

DFHXC6631I
applid TAKEOVER REJECTED BECAUSE LAST ACTIVE INSTANCE NUMBER DOES NOT MATCH THAT SPECIFIED.
Explanation:

The CICS job which issued this message issued a takeover request to the CAVM but the request has been rejected due to the error condition described in the message text. This error would occur if a new CICS active job signed on to the CAVM after this CICS alternate job had already made the decision to attempt to take over from the previous CICS active job.

System action:

See following message issued by this CICS job.

User response:

None

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTKV

DFHXC6632I
applid NON PRE-EMPTIVE TAKEOVER REJECTED BECAUSE LATEST ACTIVE VERSION NUMBER DOES NOT MATCH THAT SPECIFIED.
Explanation:

The CICS job which issued this message issued a takeover request to the CAVM but the request has been rejected due to the error condition described in the message text.

System action:

See following message issued by this CICS job.

User response:

None

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTKV

DFHXC6633I
applid NON PRE-EMPTIVE TAKEOVER REJECTED BECAUSE A TAKEOVER IS ALREADY IN PROGRESS.
Explanation:

The CICS job which issued this message issued a takeover request to the CAVM but the request has been rejected due to the error condition described in the message text.

System action:

See following message issued by this CICS job.

User response:

None

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTKV

DFHXC6634I
applid TAKEOVER REJECTED BECAUSE NECESSARY TOD CLOCK DIFFERENCE INFORMATION IS NOT AVAILABLE.
Explanation:

The CICS job which issued this message issued a takeover request to the CAVM but the request has been rejected due to the error condition described in the message text. This error cannot occur unless both the following conditions are satisfied:

The takeover cannot be performed unless the difference between the CECs’ TOD clocks is known because normal CICS processing must not be resumed until the current TOD clock reading is later than the TOD clock reading when the old CICS active job terminated as observed in the CEC where it had been running.

System action:

See following message issued by this CICS job.

User response:

None

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTKV

DFHXC6635I
applid TAKEOVER PROCESSING TERMINATED BECAUSE ANOTHER BACKUP HAS STARTED A PRE-EMPTIVE TAKEOVER.
Explanation:

The CICS job which issued this message issued a takeover request to the CAVM and the request was accepted, but the error condition described in the message text was encountered before the completion of TAKEOVER.

System action:

See following message issued by this CICS job.

User response:

None

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTKV

DFHXC6636I
applid TAKEOVER PROCESSING TERMINATED BECAUSE STATUS OF ACTIVE JOB CANNOT BE DETERMINED.
Explanation:

The CICS job which issued this message issued a takeover request to the CAVM and the request was accepted, but takeover processing could not be completed because of an error encountered in using the CAVM services provided by the CICS SVC.

System action:

See following message issued by this CICS job.

User response:

For problem determination, consult the CICS Problem Determination Guide. The console log and job output may be required.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTKV

DFHXC6637I
applid TAKEOVER IS WAITING TO RESERVE OR ACCESS THE CAVM CONTROL DATA SET.
Explanation:

The CICS job that issued this message issued a TAKEOVER request to the CAVM. CAVM is attempting to reserve or access the CAVM control data set in order to process the request, but for some considerable time, either the required resource has remained unavailable or an outstanding I/O request has not completed. The reserve attempt should not fail unless another CICS job using the same CAVM data set and executing a SIGNON, SIGNOFF or TAKEOVER request has been held up, possibly by I/O delays, after issuing a successful reserve.

System action:

See message DFHXC6607.

User response:

See message DFHXC6607.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTKV

DFHXC6638I
applid NOTIFY RC= retcode - text
Explanation:

The CICS job that displayed this message has found that the return code passed back to CAVM by the NOTIFY exit (DFHXRB) was non-zero. The message includes the actual return code value retcode (or greater than 99) and some text identifying the type of event which was being processed when the error occurred. This message always indicates either an internal error in CAVM or CICS or that code or data has become corrupted.

System action:

Processing continues but XRF function is probably degraded.

User response:

Inform your installation’s system programmer.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTKV

DFHXC6640I
applid ALL STATUS WRITERS ARE IN I/O WAIT.
Explanation:

The CICS job which displayed this message has found that the writes of its latest status issued to the control data set and the message data set are both taking a long time to complete. This might occur if reserves issued by jobs (not necessarily CICS) running in other CECs have made the DASD volumes of both CAVM data sets temporarily inaccessible.

System action:

The CICS job re-issues this warning message at intervals until one of its status writes completes. Meanwhile, it continues to perform any processing which is not dependent on status write completion. If the job which displayed this message is a CICS active and the condition persists for long enough, it is possible that an unwanted takeover will be initiated when the alternate (assuming that it is able to read the CAVM data sets because it is running in a different CEC) notices that the active system’s surveillance signals have ceased.

User response:

If this message is issued by an CICS active job which does not seem to be experiencing other problems, it might be advisable to issue a suitable command to the corresponding alternate job to prevent it from initiating an unnecessary takeover. See also message DFHXC6607.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSW

DFHXC6641I
applid STATUS WRITE I/O ERROR ON dsname
Explanation:

The CICS job which displayed this message has encountered an I/O error in writing its latest status to either the control data set or the message data set.

System action:

If the CICS job is able to write its status successfully to either the control data set or the message data set, processing continues. Further writes to the failing data set might be attempted later on because it is possible that the error condition was transient. If both data sets become unusable simultaneously, the CAVM TCB ABENDs.

User response:

Inform your installation’s system programmer.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSW

DFHXC6642I
applid ALL STATUS READERS ARE IN I/O WAIT.
Explanation:

The CICS job which displayed this message has found that the reads it has issued to the control data set and the message data set to obtain the latest available status of its partner system are both taking a long time to complete. This might occur if reserves issued by jobs (not necessarily CICS) running in other CECs have made the DASD volumes of both CAVM data sets temporarily inaccessible.

System action:

The CICS job reissues this warning message at intervals until one of the status reads completes. Meanwhile, it continues to perform any processing which is not dependent on status read completion. If the job which displayed this message is a CICS alternate, It is possible that a takeover will not be initiated if the active fails, since the alternate cannot detect that the active’s surveillance signals have ceased.

User response:

See message DFHXC6607.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSR

DFHXC6643I
applid STATUS READ I/O ERROR ON dsname
Explanation:

The CICS job which displayed this message has encountered an I/O error in reading the latest available status of its partner system from either the control data set or the message data set. dsname is the name of the data set.

System action:

Processing continues but XRF function will be degraded because the affected system might not be able to detect changes in its partner’s status. Further reads from the failing data set might be attempted later on because it is possible that the error condition was transient. If this error is encountered in an alternate system while it is processing a takeover request, the takeover will fail.

User response:

Inform your installation’s system programmer.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSR

DFHXC6644I
applid NOTIFY RC= retcode - text
Explanation:

The CICS job which displayed this message has found that the return code passed back to CAVM by the NOTIFY exit (DFHXRB) was non-zero. The message includes the actual return code value retcode (or a value greater than 99) and some text identifying the type of event that was being processed when the error occurred. This message always indicates either an internal error in CAVM or CICS or that code or data has become corrupted.

System action:

Processing continues but XRF function is probably degraded.

User response:

Inform your installation’s system programmer.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSR

DFHXC6645I
applid ERROR IN INQUIRE HEALTH EXIT.
Explanation:

The CICS job which displayed this message has found that the return code passed back to CAVM by the INQUIRE HEALTH exit (DFHXRC) was nonzero. This message indicates either an internal error in CAVM or in CICS, or that code or data has become corrupted.

System action:

Processing continues but XRF function is probably degraded.

User response:

Inform your installation’s system programmer.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSTI

DFHXC6646I
applid ERROR CALLING CICS SVC - xxxxxxxxxxxx
Explanation:

The CICS job which displayed this message has encountered an error calling the CICS supervisor code (SVC) to determine the status of another MVS image in the same XCF sysplex as the calling CICS MVS image.

System action:

Processing continues but XRF function is probably degraded.

User response:

Ensure that the correct level of CICS SVC has been specified. Also ensure that MVS has issued an acceptable return code as this error can be caused by a change in MVS response codes. If the error is caused by neither of these, it could be the result of an internal error in CAVM. If this is the case, you need further guidance from IBM. See CICS Problem Determination Guide for guidance on how to proceed.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSR

DFHXC6649I
applid SIGNOFF IS UNABLE TO RESERVE THE CAVM CONTROL DATA SET.
Explanation:

The CICS job which issued this message issued a SIGNOFF request to the CAVM or SIGNOFF processing was invoked implicitly by abnormal termination of the CAVM TCB. CAVM attempted to reserve the CAVM control data set in order to process the request, but for some considerable time, the required resource remained unavailable. The reserve attempt should not fail unless another CICS job using the same CAVM data set and executing a SIGNON, SIGNOFF or TAKEOVER request has been held up, possibly by I/O delays, after issuing a successful reserve.

System action:

The CAVM TCB terminates without updating the CAVM data sets to indicate that this CICS job has signed off. See also any following message issued by this CICS job.

User response:

None.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSSOF

DFHXC6650I
applid CAVM HAS FAILED, CODE = code
Explanation:

System action:

An ABEND U0218 is issued with a reason code equal to the code in message DFHXC6650. This results in abnormal termination of the CICS XRF job. See also any following messages issued by this CICS XRF job.

User response:

Inform your installation’s system programmer.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSRTR, DFHWSSN1, DFHWSSN2, DFHWSSN3, DFHWSSOF, DFHWSSR, DFHWSSW, DFHWSTKV

DFHXC6651I
applid CAVM HAS DETECTED AN INVALID REQUEST.
Explanation:

CAVM has found that the parameter block passed to it is invalid, or that the request is being made at an inappropriate time.

System action:

An ABEND U0218 is issued with reason code 1. This results in the abnormal termination of the CICS job. See also any following messages issued by this CICS job.

User response:

Restart the failing CICS job and inform your installation's system programmer.

Note:
This message cannot be changed with the message editing utility.
Destination:

Console

Modules:

DFHWSRTR

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