Added variables errorCode and errorMsg to C7WorkerHandler.

Author: pme123

00-documentation/src/docs/generalConcerns.md

@@ -183,6 +183,13 @@ If the error code is not enough, you can also add a list of regex expressions, t
 
 For example, you want to handle a _400_ error, but only if the message contains _bad response_.
 
+#### Error Variables
+
+If an error is handled, the worker will add the following variables to the process:
+
+- `errorCode: String` - the error code (`CamundalaWorkerError.errorCode`)
+- `errorMsg: String` - the error message (`CamundalaWorkerError.errorMsg`)
+- 
 ### Authorization
 
 #### Impersonate User

04-worker-c7spring/src/main/scala/camundala/camunda7/worker/C7WorkerHandler.scala

@@ -142,12 +142,17 @@ trait C7WorkerHandler extends camunda.ExternalTaskHandler:
               then
                 handleSuccess(filtered, generalVariables.manualOutMapping)
               else
-                logger.info(s"Handled Error: ${error.causeMsg}")
+                val errorVars = Map(
+                  "errorCode" -> error.errorCode,
+                  "errorMsg" -> error.errorMsg
+                )
+                val variables = (filtered ++ errorVars).asJava
+                logger.info(s"Handled Error: $errorVars")
                 externalTaskService.handleBpmnError(
                   summon[camunda.ExternalTask],
                   s"${error.errorCode}",
                   error.errorMsg,
-                  filtered.asJava
+                  variables
                 )
             )
           case (true, false, _) =>