diff --git a/dataforge-data/src/jvmMain/kotlin/hep/dataforge/data/JoinAction.kt b/dataforge-data/src/jvmMain/kotlin/hep/dataforge/data/JoinAction.kt
index 5d9f2517..3d200a14 100644
--- a/dataforge-data/src/jvmMain/kotlin/hep/dataforge/data/JoinAction.kt
+++ b/dataforge-data/src/jvmMain/kotlin/hep/dataforge/data/JoinAction.kt
@@ -3,7 +3,9 @@ package hep.dataforge.data
 import hep.dataforge.meta.Laminate
 import hep.dataforge.meta.Meta
 import hep.dataforge.meta.MetaBuilder
+import hep.dataforge.meta.builder
 import hep.dataforge.names.Name
+import hep.dataforge.names.toName
 import java.util.stream.Collectors
 import kotlin.coroutines.CoroutineContext
 import kotlin.coroutines.EmptyCoroutineContext
@@ -84,9 +86,8 @@ class JoinAction<T : Any, R : Any>(
                 val laminate = Laminate(group.meta, meta)
 
                 val goalMap: Map<String, Goal<T>> = group.node
-                    .dataStream()
-                    .filter { it.isValid }
-                    .collect(Collectors.toMap({ it.name }, { it.goal }))
+                    .dataSequence()
+                    .associate { it.first to it.second.goal }
 
                 val groupName: String = group.name;
 
@@ -94,14 +95,7 @@ class JoinAction<T : Any, R : Any>(
                     throw AnonymousNotAlowedException("Anonymous groups are not allowed");
                 }
 
-                val env = ActionEnv(
-                    context,
-                    groupName,
-                    laminate.builder,
-                    context.history.getChronicle(Name.joinString(groupName, name))
-                )
-
-                val dispatcher = context + getExecutorService(context, group.meta).asCoroutineDispatcher()
+                val env = ActionEnv(groupName.toName(), laminate.builder())
 
                 val goal = goalMap.join(dispatcher) { group.result.invoke(env, it) }
                 val res = NamedData(env.name, outputType, goal, env.meta)