diff --git a/CHANGELOG.md b/CHANGELOG.md
index a24e5000b2..88cdd0a1ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,8 @@
 All notable changes to the Zowe Installer will be documented in this file.
 
 ## `3.1.0`
+- Bugfix: When logging `zwe` command, sometimes the log has wrong file tag and the log is unreadable. [#4071](https://github.com/zowe/zowe-install-packaging/pull/4071)
+- Bugfix: When `--log-dir` parameter for `zwe` command is a file, there might be an error "InternalError: stack overflow". [#4064](https://github.com/zowe/zowe-install-packaging/pull/4064)
 - Enhancement: command `zwe init` does not require NodeJS [#4088](https://github.com/zowe/zowe-install-packaging/pull/4088)
 - Enhancement: command `zwe install` does not require NodeJS [#4069](https://github.com/zowe/zowe-install-packaging/pull/4069)
 - Enhancement: new javascript funtion `getStatvfs()` to obtain information about the file sysytem [#3994](https://github.com/zowe/zowe-install-packaging/pull/3994)
diff --git a/bin/commands/init/certificate/index.sh b/bin/commands/init/certificate/index.sh
index f226009c5b..90106839fb 100644
--- a/bin/commands/init/certificate/index.sh
+++ b/bin/commands/init/certificate/index.sh
@@ -95,13 +95,17 @@ elif [[ "${cert_type}" == JCE*KS ]]; then
     keyring_option=2
   fi
 fi
+# Trace or debug information will be part of the output, let's turn it off for the inline zwe commands
+save_trace=$ZWE_PRIVATE_LOG_LEVEL_ZWELS
+ZWE_PRIVATE_LOG_LEVEL_ZWELS=
 # read keystore domains
-cert_import_CAs=$(read_yaml_configmgr "${ZWE_CLI_PARAMETER_CONFIG}" ".zowe.setup.certificate.importCertificateAuthorities" | tr '\n' ',')
+cert_import_CAs=$(zwecli_inline_execute_command internal config get --config "${ZWE_CLI_PARAMETER_CONFIG}" --path ".zowe.setup.certificate.importCertificateAuthorities" | tr '\n' ',' | awk '{ print substr( $0, 1, length($0)-1 ) }')
 # read keystore domains
-cert_domains=$(read_yaml_configmgr "${ZWE_CLI_PARAMETER_CONFIG}" ".zowe.setup.certificate.san" | tr '\n' ',')
+cert_domains=$(zwecli_inline_execute_command internal config get --config "${ZWE_CLI_PARAMETER_CONFIG}" --path ".zowe.setup.certificate.san" | tr '\n' ',' | awk '{ print substr( $0, 1, length($0)-1 ) }')
 if [ -z "${cert_domains}" ]; then
-  cert_domains=$(read_yaml_configmgr "${ZWE_CLI_PARAMETER_CONFIG}" ".zowe.externalDomains" | tr '\n' ',')
+  cert_domains=$(zwecli_inline_execute_command internal config get --config "${ZWE_CLI_PARAMETER_CONFIG}" --path ".zowe.externalDomains" | tr '\n' ',' | awk '{ print substr( $0, 1, length($0)-1 ) }')
 fi
+ZWE_PRIVATE_LOG_LEVEL_ZWELS=$save_trace
 
 # read z/OSMF info
 for item in user ca; do
diff --git a/bin/libs/common.ts b/bin/libs/common.ts
index ad3457926c..47bdd94dcc 100644
--- a/bin/libs/common.ts
+++ b/bin/libs/common.ts
@@ -128,36 +128,21 @@ export function date(...args: string[]): string|undefined {
 
 
 let logExists = false;
-let logFile:std.File|null = null;
 
 function writeLog(message: string): boolean {
+  const filename = std.getenv('ZWE_PRIVATE_LOG_FILE');
+  if (!filename) {
+      return false;
+  }
+  logExists = fs.fileExists(filename);
   if (!logExists) {
-    const filename = std.getenv('ZWE_PRIVATE_LOG_FILE');
-    if (filename) {
+      fs.createFile(filename, 0o640, message);
       logExists = fs.fileExists(filename);
-      if (!logExists) {
-        fs.createFile(filename, 0o640, message);
-        logExists = fs.fileExists(filename);
-      }
-      if (logExists) {
-        let errObj = {errno:undefined};
-        logFile = std.open(filename, 'w', errObj);
-        if (errObj.errno) {
-          printError(`Error opening file ${filename}, errno=${errObj.errno}`);
-          logFile=null;
-          logExists=false;
-          return false;
-        }
-      }
-    }
-  }
-  if (logFile===undefined || logFile===null) {
-    return false;
   } else {
-    //TODO this does utf8. should we flip it to 1047 on zos?
-    logFile.puts(message);
-    return true;
+      xplatform.appendFileUTF8(filename, xplatform.AUTO_DETECT, message);
+      return true;
   }
+  return logExists;
 }
 
 
diff --git a/build/zwe/types/@qjstypes/xplatform.d.ts b/build/zwe/types/@qjstypes/xplatform.d.ts
index f139e1ac00..6d4572936e 100644
--- a/build/zwe/types/@qjstypes/xplatform.d.ts
+++ b/build/zwe/types/@qjstypes/xplatform.d.ts
@@ -27,6 +27,7 @@ export function stringFromBytes(data:ArrayBuffer, offset:number, length:number,
 */
 export function loadFileUTF8(path:string, sourceCCSID:number):string;
 export function storeFileUTF8(path:string, targetCCSID:number, content:string):number;
+export function appendFileUTF8(path: string, targetCCSID:number, content:string):number;
 
 export var AUTO_DETECT:number;
 export var NO_CONVERT:number;