Change err to err message

lib/data/external/AwsClient.js

@@ -40,7 +40,7 @@ class AwsClient {
                if (err) {
                    const log = createLogger(reqUids);
                    log.error('err from data backend',
-                   { error: err, dataStoreName: this._dataStoreName });
+                   { error: err.message, dataStoreName: this._dataStoreName });
                    return callback(errors.InternalError);
                }
                return callback(null, awsKey);
@@ -60,7 +60,7 @@ class AwsClient {
               { responseHeaders: response.httpResponse.headers });
         });
         const stream = request.createReadStream().on('error', err => {
-            log.error('error streaming data from AWS', { error: err,
+            log.error('error streaming data from AWS', { error: err.message,
                 dataStoreName: this._dataStoreName });
         });
         return callback(null, stream);
@@ -77,7 +77,7 @@ class AwsClient {
             if (err) {
                 const log = createLogger(reqUids);
                 log.error('error deleting object from datastore',
-                { error: err, implName: this._clientType });
+                { error: err.message, implName: this._clientType });
                 return callback(errors.InternalError);
             }
             return callback();
@@ -95,7 +95,7 @@ class AwsClient {
                 Bucket: this._awsBucketName },
             (err, data) => {
                 if (err) {
-                    multBackendResp[location] = { error: err };
+                    multBackendResp[location] = { error: err.message };
                 } else if (!data.Status ||
                     data.Status === 'Suspended') {
                     multBackendResp[location] = {
@@ -122,7 +122,7 @@ class AwsClient {
         return this._client.createMultipartUpload(params, (err, mpuResObj) => {
             if (err) {
                 log.error('err from data backend',
-                { error: err, dataStore: this._dataStoreName });
+                { error: err.message, dataStore: this._dataStoreName });
                 return callback(errors.InternalError);
             }
             return callback(null, mpuResObj);
@@ -143,7 +143,7 @@ class AwsClient {
         return this._client.uploadPart(params, (err, partResObj) => {
             if (err) {
                 log.error('err from data backend on uploadPart',
-                { error: err, dataStoreName: this._dataStoreName });
+                { error: err.message, dataStoreName: this._dataStoreName });
                 return callback(errors.InternalError);
             }
             // Because we manually add quotes to ETag later, remove quotes here
@@ -184,12 +184,12 @@ class AwsClient {
             if (err) {
                 if (mpuError[err.code]) {
                     log.trace('err from data backend on completeMPU',
-                    { error: err,
+                    { error: err.message,
                         dataStoreName: this._dataStoreName });
                     return callback(errors[err.code]);
                 }
                 log.error('err from data backend on completeMPU',
-                { error: err, dataStoreName: this._dataStoreName });
+                { error: err.message, dataStoreName: this._dataStoreName });
                 return callback(errors.InternalError);
             }
             // need to get content length of new object to store
@@ -198,7 +198,7 @@ class AwsClient {
             (err, objHeaders) => {
                 if (err) {
                     log.trace('err from data backend on headObject',
-                    { error: err,
+                    { error: err.message,
                         dataStoreName: this._dataStoreName });
                     return callback(errors.InternalError);
                 }
@@ -219,7 +219,7 @@ class AwsClient {
             if (err) {
                 log.error('There was an error aborting the MPU on AWS S3. You' +
                     ' should abort directly on AWS S3 using the same uploadId.',
-                { error: err, dataStoreName: this._dataStoreName });
+                { error: err.message, dataStoreName: this._dataStoreName });
                 return callback(errors.InternalError);
             }
             return callback();