diff --git a/src/FileUploader.ts b/src/FileUploader.ts
index 7001bcb..38d2f52 100644
--- a/src/FileUploader.ts
+++ b/src/FileUploader.ts
@@ -61,24 +61,21 @@ export class FileUploader {
       'Content-Type': 'text/plain'
     }
 
+    // currently only web approach is supported for file upload
+    // therefore log is part of response with debug enabled and must be parsed
     return this.requestClient
       .post(uploadUrl, formData, undefined, 'application/json', headers)
       .then(async (res) => {
-        // for web approach on Viya
         if (
-          this.sasjsConfig.debug &&
-          (this.sasjsConfig.useComputeApi === null ||
-            this.sasjsConfig.useComputeApi === undefined) &&
-          this.sasjsConfig.serverType === ServerType.SasViya
+          this.sasjsConfig.serverType === ServerType.SasViya &&
+          this.sasjsConfig.debug
         ) {
           const jsonResponse = await parseSasViyaDebugResponse(
             res.result as string,
             this.requestClient,
             this.sasjsConfig.serverUrl
           )
-          return typeof jsonResponse === 'string'
-            ? getValidJson(jsonResponse)
-            : jsonResponse
+          return jsonResponse
         }
 
         return typeof res.result === 'string'
diff --git a/src/SASjs.ts b/src/SASjs.ts
index 015007b..5924985 100644
--- a/src/SASjs.ts
+++ b/src/SASjs.ts
@@ -619,6 +619,11 @@ export default class SASjs {
             authConfig
           )
         } else {
+          if (!config.contextName)
+            config = {
+              ...config,
+              contextName: 'SAS Job Execution compute context'
+            }
           return await this.jesJobExecutor!.execute(
             sasJob,
             data,
diff --git a/src/auth/AuthManager.ts b/src/auth/AuthManager.ts
index 33e9b46..ed91d30 100644
--- a/src/auth/AuthManager.ts
+++ b/src/auth/AuthManager.ts
@@ -128,7 +128,8 @@ export class AuthManager {
 
     if (!isLoggedIn) {
       //We will logout to make sure cookies are removed and login form is presented
-      this.logOut()
+      //Residue can happen in case of session expiration
+      await this.logOut()
 
       const { result: formResponse } = await this.requestClient.get<string>(
         this.loginUrl.replace('.do', ''),
diff --git a/src/job-execution/WebJobExecutor.ts b/src/job-execution/WebJobExecutor.ts
index 98063fa..d3b6faf 100644
--- a/src/job-execution/WebJobExecutor.ts
+++ b/src/job-execution/WebJobExecutor.ts
@@ -2,7 +2,8 @@ import { ServerType } from '@sasjs/utils/types'
 import {
   ErrorResponse,
   JobExecutionError,
-  LoginRequiredError
+  LoginRequiredError,
+  WeboutResponseError
 } from '../types/errors'
 import { generateFileUploadForm } from '../file/generateFileUploadForm'
 import { generateTableUploadForm } from '../file/generateTableUploadForm'
@@ -54,7 +55,21 @@ export class WebJobExecutor extends BaseJobExecutor {
 
       apiUrl += jobUri.length > 0 ? '&_job=' + jobUri : ''
 
-      apiUrl += config.contextName ? `&_contextname=${config.contextName}` : ''
+      if (jobUri.length > 0) {
+        apiUrl += '&_job=' + jobUri
+        /**
+         * Using both _job and _program parameters will cause a conflict in the JES web app, as it’s not clear whether or not the server should make the extra fetch for the job uri.
+         * To handle this, we add the extra underscore and recreate the _program variable in the SAS side of the SASjs adapter so it remains available for backend developers.
+         */
+        apiUrl = apiUrl.replace('_program=', '__program=')
+      }
+
+      // if context name exists and is not blank string
+      // then add _contextname variable in apiUrl
+      apiUrl +=
+        config.contextName && !/\s/.test(config.contextName)
+          ? `&_contextname=${config.contextName}`
+          : ''
     }
 
     let requestParams = {
@@ -97,10 +112,10 @@ export class WebJobExecutor extends BaseJobExecutor {
 
     const requestPromise = new Promise((resolve, reject) => {
       this.requestClient!.post(apiUrl, formData, undefined)
-        .then(async (res) => {
+        .then(async (res: any) => {
           if (this.serverType === ServerType.SasViya && config.debug) {
             const jsonResponse = await parseSasViyaDebugResponse(
-              res.result as string,
+              res.result,
               this.requestClient,
               this.serverUrl
             )
@@ -108,19 +123,16 @@ export class WebJobExecutor extends BaseJobExecutor {
             resolve(jsonResponse)
           }
           if (this.serverType === ServerType.Sas9 && config.debug) {
-            const jsonResponse = parseWeboutResponse(res.result as string)
-            if (jsonResponse === '') {
-              throw new Error(
-                'Valid JSON could not be extracted from response.'
-              )
-            }
+            let jsonResponse = res.result
+            if (typeof res.result === 'string')
+              jsonResponse = parseWeboutResponse(res.result, apiUrl)
 
             getValidJson(jsonResponse)
             this.appendRequest(res, sasJob, config.debug)
             resolve(res.result)
           }
-          getValidJson(res.result as string)
           this.appendRequest(res, sasJob, config.debug)
+          getValidJson(res.result as string)
           resolve(res.result)
         })
         .catch(async (e: Error) => {
diff --git a/src/request/RequestClient.ts b/src/request/RequestClient.ts
index e44a8c4..28c5512 100644
--- a/src/request/RequestClient.ts
+++ b/src/request/RequestClient.ts
@@ -429,13 +429,7 @@ export class RequestClient implements HttpClient {
       }
     } catch {
       try {
-        const weboutResponse = parseWeboutResponse(response.data)
-        if (weboutResponse === '') {
-          throw new Error('Valid JSON could not be extracted from response.')
-        }
-
-        const jsonResponse = getValidJson(weboutResponse)
-        parsedResponse = jsonResponse
+        parsedResponse = JSON.parse(parseWeboutResponse(response.data))
       } catch {
         parsedResponse = response.data
       }
diff --git a/src/test/utils/getValidJson.spec.ts b/src/test/utils/getValidJson.spec.ts
index e7fbf66..a84eb04 100644
--- a/src/test/utils/getValidJson.spec.ts
+++ b/src/test/utils/getValidJson.spec.ts
@@ -1,4 +1,5 @@
 import { getValidJson } from '../../utils'
+import { JsonParseArrayError, InvalidJsonError } from '../../types/errors'
 
 describe('jsonValidator', () => {
   it('should not throw an error with a valid json', () => {
@@ -19,23 +20,17 @@ describe('jsonValidator', () => {
 
   it('should throw an error with an invalid json', () => {
     const json = `{\"test\":\"test\"\"test2\":\"test\"}`
-    let errorThrown = false
-    try {
+    const test = () => {
       getValidJson(json)
-    } catch (error) {
-      errorThrown = true
     }
-    expect(errorThrown).toBe(true)
+    expect(test).toThrowError(InvalidJsonError)
   })
 
   it('should throw an error when an array is passed', () => {
     const array = ['hello', 'world']
-    let errorThrown = false
-    try {
+    const test = () => {
       getValidJson(array)
-    } catch (error) {
-      errorThrown = true
     }
-    expect(errorThrown).toBe(true)
+    expect(test).toThrow(JsonParseArrayError)
   })
 })
diff --git a/src/types/errors/InvalidJsonError.ts b/src/types/errors/InvalidJsonError.ts
new file mode 100644
index 0000000..f59339a
--- /dev/null
+++ b/src/types/errors/InvalidJsonError.ts
@@ -0,0 +1,7 @@
+export class InvalidJsonError extends Error {
+  constructor() {
+    super('Error: invalid Json string')
+    this.name = 'InvalidJsonError'
+    Object.setPrototypeOf(this, InvalidJsonError.prototype)
+  }
+}
diff --git a/src/types/errors/JsonParseArrayError.ts b/src/types/errors/JsonParseArrayError.ts
new file mode 100644
index 0000000..ad08ecd
--- /dev/null
+++ b/src/types/errors/JsonParseArrayError.ts
@@ -0,0 +1,7 @@
+export class JsonParseArrayError extends Error {
+  constructor() {
+    super('Can not parse array object to json.')
+    this.name = 'JsonParseArrayError'
+    Object.setPrototypeOf(this, JsonParseArrayError.prototype)
+  }
+}
diff --git a/src/types/errors/WeboutResponseError.ts b/src/types/errors/WeboutResponseError.ts
new file mode 100644
index 0000000..9ca1e80
--- /dev/null
+++ b/src/types/errors/WeboutResponseError.ts
@@ -0,0 +1,7 @@
+export class WeboutResponseError extends Error {
+  constructor(public url: string) {
+    super(`Error: error while parsing response from ${url}`)
+    this.name = 'WeboutResponseError'
+    Object.setPrototypeOf(this, WeboutResponseError.prototype)
+  }
+}
diff --git a/src/types/errors/index.ts b/src/types/errors/index.ts
index cca1a97..e2b0766 100644
--- a/src/types/errors/index.ts
+++ b/src/types/errors/index.ts
@@ -8,3 +8,6 @@ export * from './NotFoundError'
 export * from './ErrorResponse'
 export * from './NoSessionStateError'
 export * from './RootFolderNotFoundError'
+export * from './JsonParseArrayError'
+export * from './WeboutResponseError'
+export * from './InvalidJsonError'
diff --git a/src/utils/getValidJson.ts b/src/utils/getValidJson.ts
index 0313157..17f9cbb 100644
--- a/src/utils/getValidJson.ts
+++ b/src/utils/getValidJson.ts
@@ -1,16 +1,18 @@
+import { JsonParseArrayError, InvalidJsonError } from '../types/errors'
+
 /**
  * if string passed then parse the string to json else if throw error for all other types unless it is not a valid json object.
  * @param str - string to check.
  */
 export const getValidJson = (str: string | object) => {
   try {
-    if (Array.isArray(str)) {
-      throw new Error('Can not parse array object to json.')
-    }
+    if (Array.isArray(str)) throw new JsonParseArrayError()
+
     if (typeof str === 'object') return str
 
     return JSON.parse(str)
   } catch (e) {
-    throw new Error('Invalid JSON response.')
+    if (e instanceof JsonParseArrayError) throw e
+    throw new InvalidJsonError()
   }
 }
diff --git a/src/utils/parseViyaDebugResponse.ts b/src/utils/parseViyaDebugResponse.ts
index 3137995..b0227f2 100644
--- a/src/utils/parseViyaDebugResponse.ts
+++ b/src/utils/parseViyaDebugResponse.ts
@@ -1,4 +1,5 @@
 import { RequestClient } from '../request/RequestClient'
+import { getValidJson } from '../utils'
 
 /**
  * When querying a Viya job using the Web approach (as opposed to using the APIs) with _DEBUG enabled,
@@ -25,5 +26,5 @@ export const parseSasViyaDebugResponse = async (
 
   return requestClient
     .get(serverUrl + jsonUrl, undefined)
-    .then((res) => res.result)
+    .then((res: any) => getValidJson(res.result))
 }
diff --git a/src/utils/parseWeboutResponse.ts b/src/utils/parseWeboutResponse.ts
index f9bc4db..30d91b6 100644
--- a/src/utils/parseWeboutResponse.ts
+++ b/src/utils/parseWeboutResponse.ts
@@ -1,4 +1,6 @@
-export const parseWeboutResponse = (response: string) => {
+import { WeboutResponseError } from '../types/errors'
+
+export const parseWeboutResponse = (response: string, url?: string) => {
   let sasResponse = ''
 
   if (response.includes('>>weboutBEGIN<<')) {
@@ -7,6 +9,7 @@ export const parseWeboutResponse = (response: string) => {
         .split('>>weboutBEGIN<<')[1]
         .split('>>weboutEND<<')[0]
     } catch (e) {
+      if (url) throw new WeboutResponseError(url)
       sasResponse = ''
       console.error(e)
     }