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Error when executing the POSTTRAN job and opening DALYTRAN dataset in CardDemo Blu Age modernized application in AWS Mainframe Modernization environment

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Hello,

I noticed abnormal behavior when opening the DALYTRAN dataset in the POSTTRAN job.

In AWS Mainframe Modernization (BluAge 4.2.0), submitting POSTTRAN.groovy from the Batch Jobs tab fails at STEP15 with error code 35, as shown in the following log:

2025-04-24T16:45:05.680Z INFO ??? --- [ Thread-24] c.n.b.gapwalk.io.support.FileFactory : Created new file [/m2/mount/efs/files-directory/AWS.M2.CARDDEMO.DALYREJS.G0037V00]
2025-04-24T16:45:05.808Z
2025-04-24T16:45:05.681Z INFO ??? --- [ Thread-24] a.b.l.w.c.s.impl.Cbtrn02cProcessImpl : START OF EXECUTION OF PROGRAM CBTRN02C
2025-04-24T16:45:05.808Z
2025-04-24T16:45:05.704Z INFO ??? --- [ Thread-24] c.n.b.g.io.infrastructure.AbstractFile : BRSF [AWS.M2.CARDDEMO.DALYTRAN.PS]::SequentialFileDescription [, , seqAccessOption=record sequential, optional=false, accessMode=SEQUENTIAL, fileStatus=Group {
2025-04-24T16:45:05.808Z
* ElementaryRange [type=alphanumeric(1)];
2025-04-24T16:45:05.808Z
* ElementaryRange [type=alphanumeric(1)]}, dependingOnField = [NO DEPENDING ON FIELD] , isLF=, isCRLF=[N/A]]
2025-04-24T16:45:05.808Z
2025-04-24T16:45:05.713Z INFO ??? --- [ Thread-24] a.b.l.w.c.s.impl.Cbtrn02cProcessImpl : ERROR OPENING DALYTRAN
2025-04-24T16:45:05.809Z
2025-04-24T16:45:05.714Z INFO ??? --- [ Thread-24] a.b.l.w.c.s.impl.Cbtrn02cProcessImpl : FILE STATUS IS: 35
2025-04-24T16:45:05.809Z
2025-04-24T16:45:05.714Z INFO ??? --- [ Thread-24] a.b.l.w.c.s.impl.Cbtrn02cProcessImpl : ABENDING PROGRAM
2025-04-24T16:45:05.809Z
2025-04-24T16:45:05.714Z INFO ??? --- [ Thread-24] a.b.l3.workshop.core.impl.AbendImpl : ABEND WITH CODE 999
2025-04-24T16:45:05.809Z

When I run the same script from the S3 bucket as an "one-time script", everything works correctly:

2025-04-24T16:48:40.851Z
2025-04-24T16:48:40.701Z INFO ??? --- [ Thread-26] c.n.b.g.io.support.basic.BuilderHelper : Using path =[/m2/mount/efs/files-directory/AWS.M2.CARDDEMO.DALYREJS.G0038V00] for FileSystem GDG named AWS.M2.CARDDEMO.DALYREJS generation 38
2025-04-24T16:48:40.851Z
2025-04-24T16:48:40.701Z INFO ??? --- [ Thread-26] c.n.b.g.r.job.support.DefaultJobContext : Stored [/m2/mount/efs/files-directory/AWS.M2.CARDDEMO.DALYREJS.G0038V00] for key (AWS.M2.CARDDEMO.DALYREJS,1)
2025-04-24T16:48:40.851Z
2025-04-24T16:48:40.715Z INFO ??? --- [ Thread-26] c.n.b.gapwalk.io.support.FileFactory : Created new file [/m2/mount/efs/files-directory/AWS.M2.CARDDEMO.DALYREJS.G0038V00]
2025-04-24T16:48:40.851Z
2025-04-24T16:48:40.715Z INFO ??? --- [ Thread-26] a.b.l.w.c.s.impl.Cbtrn02cProcessImpl : START OF EXECUTION OF PROGRAM CBTRN02C
2025-04-24T16:48:40.851Z
2025-04-24T16:48:40.730Z INFO ??? --- [ Thread-26] c.n.b.g.io.infrastructure.AbstractFile : RS FILE[/m2/mount/efs/files-directory/AWS.M2.CARDDEMO.DALYTRAN.PS]::SequentialFileDescription [, , seqAccessOption=record sequential, optional=false, accessMode=SEQUENTIAL, fileStatus=Group {
2025-04-24T16:48:40.851Z
* ElementaryRange [type=alphanumeric(1)];
2025-04-24T16:48:40.851Z
* ElementaryRange [type=alphanumeric(1)]}, dependingOnField = [NO DEPENDING ON FIELD] , isLF=, isCRLF=[N/A]]
2025-04-24T16:48:40.851Z
2025-04-24T16:48:40.731Z INFO ??? --- [ Thread-26] c.n.b.g.i.i.AbstractSequentialFile : Trying to open sequential file [/m2/mount/efs/files-directory/AWS.M2.CARDDEMO.DALYTRAN.PS]
2025-04-24T16:48:40.851Z
2025-04-24T16:48:40.734Z INFO ??? --- [ Thread-26] c.n.b.g.i.i.AbstractSequentialFile : Sequential file [/m2/mount/efs/files-directory/AWS.M2.CARDDEMO.DALYTRAN.PS] successfully opened
2025-04-24T16:48:40.851Z
2025-04-24T16:48:40.750Z INFO ??? --- [ Thread-26] c.n.b.g.io.infrastructure.AbstractFile : BIF [AWS.M2.CARDDEMO.TRANSACT.VSAM.KSDS]::Using Indexed File [primaryKey=ElementaryRangeReference[start=0, length=16] = [

The behavior when executing the script from the S3 bucket is identical to running it from AppStream in a web browser (http://localhost:8080/gapwalk-application/script/POSTTRAN), where I receive the expected response:

{ "exitCode": 4, "stepName": "STEP15", "program": "CBTRN02C", "status": "Succeeded" }

In both the carddemo-service-1.0.0.war and the S3 bucket, I use the same POSTTRAN.groovy script (with adjusted parameters as described in the L3 Workshop):

// Import
import com.netfective.bluage.gapwalk.rt.provider.ScriptRegistry
import com.netfective.bluage.gapwalk.rt.call.MainProgramRunner
import com.netfective.bluage.gapwalk.io.support.FileConfigurationUtils
import com.netfective.bluage.gapwalk.rt.job.support.DefaultJobContext
import com.netfective.bluage.gapwalk.rt.utils.GroovyUtils
import com.netfective.bluage.gapwalk.rt.io.support.FileConfiguration
import com.netfective.bluage.gapwalk.rt.shared.AbendException
import com.netfective.bluage.gapwalk.rt.call.exception.GroovyExecutionException
// Variables
mpr = applicationContext.getBean("com.netfective.bluage.gapwalk.rt.call.ExecutionController", MainProgramRunner.class)
TreeMap mapTransfo = [:]
Map params = ["MapTransfo":mapTransfo]
// Execute job with utility functions
Binding binding = new Binding()
binding.setVariable("jobContext", jobContext)
def shell = new GroovyShell(binding).parse(ScriptRegistry.getScript("functions"))
//*********************************************************************
//*                             JOB                                   *
//*********************************************************************
shell.with {
	def jobName = "POSTTRAN"
	mpr.setJobContext(jobContext)
	displayStartJob(jobName)
	Map programResults = jobContext.getProgramResults().clone()
	def lastProgramResult
	//*****************************************************************
	// Copyright Amazon.com, Inc. or its affiliates.                   
	// All Rights Reserved.                                            
	//                                                                 
	// Licensed under the Apache License, Version 2.0 (the "License"). 
	// You may not use this file except in compliance with the License.
	// You may obtain a copy of the License at                         
	//                                                                 
	//    http://www.apache.org/licenses/LICENSE-2.0                   
	//                                                                 
	// Unless required by applicable law or agreed to in writing,      
	// software distributed under the License is distributed on an     
	// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,    
	// either express or implied. See the License for the specific     
	// language governing permissions and limitations under the License
	//*****************************************************************    
	// ******************************************************************* 
	// Process and load daily transaction file and create transaction      
	// category balance and update transaction master vsam                 
	// ******************************************************************* 
	lastProgramResult = stepSTEP15(shell, params, programResults)
	displayEndJob(jobName)
	return programResults.get("GroovyExecutionResult")
}
//*********************************************************************
//*                            STEPS                                  *
//*********************************************************************
// STEP STEP15 - PGM - CBTRN02C***************************************************
def stepSTEP15(Object shell, Map params, Map programResults){
	shell.with {
		if (checkValidProgramResults(programResults)) {
			return execStep("STEP15", "CBTRN02C", programResults, {
				mpr
					.withFileConfigurations(new FileConfigurationUtils()
						.withJobContext(jobContext)
						.bluesam("STEPLIB")
						.dataset("AWS.M2.CARDDEMO.LOADLIB")
						.disposition("SHR")
						.build()
						.systemOut("SYSPRINT")
						.output("*")
						.build()
						.systemOut("SYSOUT")
						.output("*")
						.build()
						.bluesam("TRANFILE")
						.dataset("AWS.M2.CARDDEMO.TRANSACT.VSAM.KSDS")
						.disposition("SHR")
						.build()
						.fileSystem("DALYTRAN")
						.path("AWS.M2.CARDDEMO.DALYTRAN.PS")
						.disposition("SHR")
						.build()
						.bluesam("XREFFILE")
						.dataset("AWS.M2.CARDDEMO.CARDXREF.VSAM.KSDS")
						.disposition("SHR")
						.build()
						.gdgSupport("DALYREJS")
						.name("AWS.M2.CARDDEMO.DALYREJS").ownerPath(".").relativeGeneration(1).storageProvider("filesystem").recordSize(430)
						.disposition("NEW")
						.normalTermination("CATLG")
						.abnormalTermination("DELETE")
						.build()
						.bluesam("ACCTFILE")
						.dataset("AWS.M2.CARDDEMO.ACCTDATA.VSAM.KSDS")
						.disposition("SHR")
						.build()
						.bluesam("TCATBALF")
						.dataset("AWS.M2.CARDDEMO.TCATBALF.VSAM.KSDS")
						.disposition("SHR")
						.build()
						.getFileConfigurations())
					.withParameters(params)
					.runProgram("CBTRN02C")
				})
		}
	}
}

The remaining jobs, such as TRANBKP, INTCALC, COMBTRAN, and CREASTMT, work correctly without any issues.

Output from /efs/files-directory/ just for confirmation that AWS.M2.CARDDEMO.DALYTRAN.PS exists:

sh-5.2$ cd /efs/files-directory/
sh-5.2$ ls -la
total 488
drwxr-xr-x. 3 myuser mygroup   6144 Apr 24 17:34 .
drwxr-xr-x. 3 root   root      6144 Apr 24 09:19 ..
drwxr-xr-x. 2 myuser mygroup   6144 Apr 23 15:39 AWS.M2.CARDDEMO.CNTL
-rw-r--r--. 1 myuser mygroup  16340 Apr 24 09:05 AWS.M2.CARDDEMO.DALYREJS.G0034V00
-rw-r--r--. 1 myuser mygroup      0 Apr 24 09:06 AWS.M2.CARDDEMO.DALYREJS.G0035V00
-rw-r--r--. 1 myuser mygroup  48590 Apr 24 09:25 AWS.M2.CARDDEMO.DALYREJS.G0036V00
-rw-r--r--. 1 myuser mygroup      0 Apr 24 16:45 AWS.M2.CARDDEMO.DALYREJS.G0037V00
-rw-r--r--. 1 myuser mygroup  86430 Apr 24 16:48 AWS.M2.CARDDEMO.DALYREJS.G0038V00
-rw-r--r--. 1 myuser mygroup    151 Apr 24 16:48 AWS.M2.CARDDEMO.DALYREJS.json
-rw-r--r--. 1 myuser mygroup 105000 Apr 22 15:21 AWS.M2.CARDDEMO.DALYTRAN.PS
-rw-r--r--. 1 myuser mygroup  17500 Apr 24 17:33 AWS.M2.CARDDEMO.SYSTRAN.G0023V00
-rw-r--r--. 1 myuser mygroup    150 Apr 24 17:33 AWS.M2.CARDDEMO.SYSTRAN.json
-rw-r--r--. 1 myuser mygroup    168 Apr 22 15:21 AWS.M2.CARDDEMO.TCATBALF.BKUP.json
-rw-r--r--. 1 myuser mygroup    164 Apr 22 15:21 AWS.M2.CARDDEMO.TRANREPT.json
-rw-r--r--. 1 myuser mygroup      0 Apr 23 16:45 AWS.M2.CARDDEMO.TRANSACT.BKUP.G0078V00
-rw-r--r--. 1 myuser mygroup      0 Apr 23 17:36 AWS.M2.CARDDEMO.TRANSACT.BKUP.G0079V00
-rw-r--r--. 1 myuser mygroup      0 Apr 23 18:13 AWS.M2.CARDDEMO.TRANSACT.BKUP.G0080V00
-rw-r--r--. 1 myuser mygroup  65450 Apr 24 16:42 AWS.M2.CARDDEMO.TRANSACT.BKUP.G0081V00
-rw-r--r--. 1 myuser mygroup  34650 Apr 24 17:33 AWS.M2.CARDDEMO.TRANSACT.BKUP.G0082V00
-rw-r--r--. 1 myuser mygroup    156 Apr 24 17:33 AWS.M2.CARDDEMO.TRANSACT.BKUP.json
-rw-r--r--. 1 myuser mygroup  52152 Apr 24 17:34 AWS.M2.CARDDEMO.TRANSACT.COMBINED.G0020V00
-rw-r--r--. 1 myuser mygroup    160 Apr 24 17:34 AWS.M2.CARDDEMO.TRANSACT.COMBINED.json
-rw-r--r--. 1 myuser mygroup    169 Apr 22 15:21 AWS.M2.CARDDEMO.TRANSACT.DALY.json

Do you have any idea what is the reason of above issue?

Thanks in advance and best regards,

Dawid

Topics
Migration & Modernization
Tags
AWS Mainframe ModernizationMainframe Modernization with AWSAWS Blu Age
Language
English
Dawid
asked 24 days ago70 views
3 Answers
0

The issue you're experiencing with the POSTTRAN job failing when executed from the Batch Jobs tab, but succeeding when run as a one-time script from S3 or through the web interface, is likely related to file access permissions or path configurations.

The error code 35 typically indicates a file not found or access denied error when trying to open the DALYTRAN dataset. This suggests that when the job is run from the Batch Jobs tab, it may be using a different working directory or file path than when executed through other methods.

To resolve this issue, you could try the following:

  1. Check the file permissions for the AWS.M2.CARDDEMO.DALYTRAN.PS file to ensure that the process running the batch job has the necessary read/write access.

  2. Verify that the file path used in the POSTTRAN.groovy script for the DALYTRAN dataset is correct and consistent across all execution methods. You might need to use absolute paths instead of relative ones.

  3. Review the FileConfiguration settings in your POSTTRAN.groovy script, particularly for the DALYTRAN file. Ensure that the path is correctly specified and matches the actual location of the file in the EFS directory.

  4. Examine the environment variables and working directory settings for the batch job execution context. They might differ from those used when running the script directly or through the web interface.

  5. Check if there are any differences in how the jobContext is set up or how the FileConfigurationUtils are initialized between the different execution methods.

  6. Consider adding more detailed logging or error handling in the POSTTRAN.groovy script to capture more information about the file access attempt when it fails.

If the issue persists after trying these steps, you may need to consult with your AWS Mainframe Modernization support team for more specific guidance, as there could be environment-specific configurations affecting the file access when running as a batch job.
Sources
Error when executing the POSTTRAN job in CardDemo Blu Age modernized application | AWS re:Post
In AWS Blu Age L3 Workshop I get error when running POSTRAN backend in BAC | AWS re:Post

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re:Post Agent
answered 24 days ago
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To answer your question, we require details that are non-public information. Please open a support case with AWS using the following Link - [https://console.aws.amazon.com/support/home#/case/create]

AWS
SUPPORT ENGINEER
Ujjwal_G
answered 21 days ago
0

Hello,

today, after redeployment of an application problem has solved.

Thank you!

Best regards, Dawid

Dawid
answered 13 days ago

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