Merge remote-tracking branch 'origin/fix/count-query' into lts-4.3/fix-count-query

application/src/main/java/org/thingsboard/server/actors/calculatedField/CalculatedFieldManagerMessageProcessor.java

@@ -425,7 +425,7 @@ public class CalculatedFieldManagerMessageProcessor extends AbstractContextAware
                 try {
                     cfCtx.init();
                 } catch (Exception e) {
-                    throw CalculatedFieldException.builder().ctx(cfCtx).eventEntity(cf.getEntityId()).cause(e).errorMessage("Failed to initialize CF context").build();
+                    throw CalculatedFieldException.builder().ctx(cfCtx).eventEntity(cf.getEntityId()).cause(e).errorMessage(e.getMessage()).build();
                 }
                 calculatedFields.put(cf.getId(), cfCtx);
                 // We use copy on write lists to safely pass the reference to another actor for the iteration.
@@ -456,7 +456,7 @@ public class CalculatedFieldManagerMessageProcessor extends AbstractContextAware
                 try {
                     newCfCtx.init();
                 } catch (Exception e) {
-                    throw CalculatedFieldException.builder().ctx(newCfCtx).eventEntity(newCfCtx.getEntityId()).cause(e).errorMessage("Failed to initialize CF context").build();
+                    throw CalculatedFieldException.builder().ctx(newCfCtx).eventEntity(newCfCtx.getEntityId()).cause(e).errorMessage(e.getMessage()).build();
                 } finally {
                     calculatedFields.put(newCf.getId(), newCfCtx);
                     List<CalculatedFieldCtx> oldCfList = entityIdCalculatedFields.get(newCf.getEntityId());
@@ -819,7 +819,7 @@ public class CalculatedFieldManagerMessageProcessor extends AbstractContextAware
         try {
             cfCtx.init();
         } catch (Exception e) {
-            throw CalculatedFieldException.builder().ctx(cfCtx).eventEntity(cf.getEntityId()).cause(e).errorMessage("Failed to initialize CF context").build();
+            throw CalculatedFieldException.builder().ctx(cfCtx).eventEntity(cf.getEntityId()).cause(e).errorMessage(e.getMessage()).build();
         } finally {
             calculatedFields.put(cf.getId(), cfCtx);
             // We use copy on write lists to safely pass the reference to another actor for the iteration.

application/src/main/java/org/thingsboard/server/service/cf/ctx/state/CalculatedFieldCtx.java

@@ -387,7 +387,7 @@ public class CalculatedFieldCtx implements Closeable {
             tbelExpressions.put(expression, engine);
         } catch (Exception e) {
             initialized = false;
-            throw new RuntimeException("Failed to init calculated field ctx. Invalid expression syntax.", e);
+            throw new RuntimeException("Failed to initialize CF context. The script expression is invalid. Please check for syntax errors or unsupported functions.", e);
         }
     }
 
@@ -404,7 +404,7 @@ public class CalculatedFieldCtx implements Closeable {
             simpleExpressions.put(expression, compiledExpression);
         } else {
             initialized = false;
-            throw new RuntimeException("Failed to init calculated field ctx. Invalid expression syntax.");
+            throw new RuntimeException("Failed to initialize CF context. The expression has invalid syntax or unknown variables. Ensure all mathematical operators are correct.");
         }
     }