diff --git a/src/Symfony/Component/DependencyInjection/Argument/AbstractArgument.php b/src/Symfony/Component/DependencyInjection/Argument/AbstractArgument.php
index 8eb6d5b424..3ba5ff33ba 100644
--- a/src/Symfony/Component/DependencyInjection/Argument/AbstractArgument.php
+++ b/src/Symfony/Component/DependencyInjection/Argument/AbstractArgument.php
@@ -16,29 +16,26 @@ namespace Symfony\Component\DependencyInjection\Argument;
  */
 final class AbstractArgument
 {
-    private $serviceId;
-    private $argKey;
     private $text;
+    private $context;
 
-    public function __construct(string $serviceId, string $argKey, string $text = '')
+    public function __construct(string $text = '')
     {
-        $this->serviceId = $serviceId;
-        $this->argKey = $argKey;
-        $this->text = $text;
+        $this->text = trim($text, '. ');
     }
 
-    public function getServiceId(): string
+    public function setContext(string $context): void
     {
-        return $this->serviceId;
-    }
-
-    public function getArgumentKey(): string
-    {
-        return $this->argKey;
+        $this->context = $context.' is abstract'.('' === $this->text ? '' : ': ');
     }
 
     public function getText(): string
     {
         return $this->text;
     }
+
+    public function getTextWithContext(): string
+    {
+        return $this->context.$this->text.'.';
+    }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/ResolveNamedArgumentsPass.php b/src/Symfony/Component/DependencyInjection/Compiler/ResolveNamedArgumentsPass.php
index e0a019493a..fd3c5e4d1d 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/ResolveNamedArgumentsPass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/ResolveNamedArgumentsPass.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\DependencyInjection\Compiler;
 
+use Symfony\Component\DependencyInjection\Argument\AbstractArgument;
 use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
 use Symfony\Component\DependencyInjection\LazyProxy\ProxyHelper;
@@ -28,6 +29,10 @@ class ResolveNamedArgumentsPass extends AbstractRecursivePass
      */
     protected function processValue($value, bool $isRoot = false)
     {
+        if ($value instanceof AbstractArgument && $value->getText().'.' === $value->getTextWithContext()) {
+            $value->setContext(sprintf('A value found in service "%s"', $this->currentId));
+        }
+
         if (!$value instanceof Definition) {
             return parent::processValue($value, $isRoot);
         }
@@ -41,6 +46,10 @@ class ResolveNamedArgumentsPass extends AbstractRecursivePass
             $resolvedArguments = [];
 
             foreach ($arguments as $key => $argument) {
+                if ($argument instanceof AbstractArgument && $argument->getText().'.' === $argument->getTextWithContext()) {
+                    $argument->setContext(sprintf('Argument '.(\is_int($key) ? 1 + $key : '"%3$s"').' of '.('__construct' === $method ? 'service "%s"' : 'method call "%s::%s()"'), $this->currentId, $method, $key));
+                }
+
                 if (\is_int($key)) {
                     $resolvedArguments[$key] = $argument;
                     continue;
@@ -107,6 +116,12 @@ class ResolveNamedArgumentsPass extends AbstractRecursivePass
             $value->setMethodCalls($calls);
         }
 
+        foreach ($value->getProperties() as $key => $argument) {
+            if ($argument instanceof AbstractArgument && $argument->getText().'.' === $argument->getTextWithContext()) {
+                $argument->setContext(sprintf('Property "%s" of service "%s"', $key, $this->currentId));
+            }
+        }
+
         return parent::processValue($value, $isRoot);
     }
 }
diff --git a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
index e08e4a141d..2153304485 100644
--- a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
+++ b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
@@ -1219,7 +1219,7 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
         } elseif ($value instanceof Expression) {
             $value = $this->getExpressionLanguage()->evaluate($value, ['container' => $this]);
         } elseif ($value instanceof AbstractArgument) {
-            throw new RuntimeException(sprintf('Argument "%s" of service "%s" is abstract%s, did you forget to define it?', $value->getArgumentKey(), $value->getServiceId(), $value->getText() ? ' ('.$value->getText().')' : ''));
+            throw new RuntimeException($value->getTextWithContext());
         }
 
         return $value;
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index 8f2db860ec..98b74ad87f 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -1787,7 +1787,7 @@ EOF;
                 return $code;
             }
         } elseif ($value instanceof AbstractArgument) {
-            throw new RuntimeException(sprintf('Argument "%s" of service "%s" is abstract%s, did you forget to define it?', $value->getArgumentKey(), $value->getServiceId(), $value->getText() ? ' ('.$value->getText().')' : ''));
+            throw new RuntimeException($value->getTextWithContext());
         } elseif (\is_object($value) || \is_resource($value)) {
             throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
         }
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
index 805fa95850..bf2ea990a9 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/XmlDumper.php
@@ -320,10 +320,6 @@ class XmlDumper extends Dumper
                 $text = $this->document->createTextNode(self::phpToXml(base64_encode($value)));
                 $element->appendChild($text);
             } elseif ($value instanceof AbstractArgument) {
-                $argKey = $value->getArgumentKey();
-                if (!is_numeric($argKey)) {
-                    $element->setAttribute('key', $argKey);
-                }
                 $element->setAttribute('type', 'abstract');
                 $text = $this->document->createTextNode(self::phpToXml($value->getText()));
                 $element->appendChild($text);
diff --git a/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php b/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php
index 18843bf979..f4c90f6f78 100644
--- a/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php
+++ b/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php
@@ -537,8 +537,7 @@ class XmlFileLoader extends FileLoader
                     $arguments[$key] = $value;
                     break;
                 case 'abstract':
-                    $serviceId = $node->getAttribute('id');
-                    $arguments[$key] = new AbstractArgument($serviceId, (string) $key, $arg->nodeValue);
+                    $arguments[$key] = new AbstractArgument($arg->nodeValue);
                     break;
                 case 'string':
                     $arguments[$key] = $arg->nodeValue;
diff --git a/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php b/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php
index c5073082d5..7504a1fb2c 100644
--- a/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php
+++ b/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php
@@ -449,7 +449,7 @@ class YamlFileLoader extends FileLoader
         }
 
         if (isset($service['arguments'])) {
-            $definition->setArguments($this->resolveServices($service['arguments'], $file, false, $id));
+            $definition->setArguments($this->resolveServices($service['arguments'], $file));
         }
 
         if (isset($service['properties'])) {
@@ -721,7 +721,7 @@ class YamlFileLoader extends FileLoader
      *
      * @return array|string|Reference|ArgumentInterface
      */
-    private function resolveServices($value, string $file, bool $isParameter = false, string $serviceId = '', string $argKey = '')
+    private function resolveServices($value, string $file, bool $isParameter = false)
     {
         if ($value instanceof TaggedValue) {
             $argument = $value->getValue();
@@ -795,7 +795,7 @@ class YamlFileLoader extends FileLoader
                 return new Reference($id);
             }
             if ('abstract' === $value->getTag()) {
-                return new AbstractArgument($serviceId, $argKey, $value->getValue());
+                return new AbstractArgument($value->getValue());
             }
 
             throw new InvalidArgumentException(sprintf('Unsupported tag "!%s".', $value->getTag()));
@@ -803,7 +803,7 @@ class YamlFileLoader extends FileLoader
 
         if (\is_array($value)) {
             foreach ($value as $k => $v) {
-                $value[$k] = $this->resolveServices($v, $file, $isParameter, $serviceId, $k);
+                $value[$k] = $this->resolveServices($v, $file, $isParameter);
             }
         } elseif (\is_string($value) && 0 === strpos($value, '@=')) {
             if (!class_exists(Expression::class)) {
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Argument/AbstractArgumentTest.php b/src/Symfony/Component/DependencyInjection/Tests/Argument/AbstractArgumentTest.php
index 91b1a5665b..ae279ded83 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Argument/AbstractArgumentTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Argument/AbstractArgumentTest.php
@@ -18,9 +18,7 @@ class AbstractArgumentTest extends TestCase
 {
     public function testAbstractArgumentGetters()
     {
-        $argument = new AbstractArgument('foo', '$bar', 'should be defined by Pass');
-        $this->assertSame('foo', $argument->getServiceId());
-        $this->assertSame('$bar', $argument->getArgumentKey());
+        $argument = new AbstractArgument('should be defined by Pass');
         $this->assertSame('should be defined by Pass', $argument->getText());
     }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php b/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php
index 93db5b694d..4f935fd219 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php
@@ -552,11 +552,14 @@ class ContainerBuilderTest extends TestCase
     public function testCreateServiceWithAbstractArgument()
     {
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('Argument "$baz" of service "foo" is abstract (should be defined by Pass), did you forget to define it?');
+        $this->expectExceptionMessage('Argument "$baz" of service "foo" is abstract: should be defined by Pass.');
 
         $builder = new ContainerBuilder();
         $builder->register('foo', FooWithAbstractArgument::class)
-            ->addArgument(new AbstractArgument('foo', '$baz', 'should be defined by Pass'));
+            ->setArgument('$baz', new AbstractArgument('should be defined by Pass'))
+            ->setPublic(true);
+
+        $builder->compile();
 
         $builder->get('foo');
     }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php b/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
index cacd85ff69..b85cae02df 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
@@ -1372,12 +1372,12 @@ class PhpDumperTest extends TestCase
     public function testDumpServiceWithAbstractArgument()
     {
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('Argument "$baz" of service "Symfony\Component\DependencyInjection\Tests\Fixtures\FooWithAbstractArgument" is abstract (should be defined by Pass), did you forget to define it?');
+        $this->expectExceptionMessage('Argument "$baz" of service "Symfony\Component\DependencyInjection\Tests\Fixtures\FooWithAbstractArgument" is abstract: should be defined by Pass.');
 
         $container = new ContainerBuilder();
 
         $container->register(FooWithAbstractArgument::class, FooWithAbstractArgument::class)
-            ->setArgument('$baz', new AbstractArgument(FooWithAbstractArgument::class, '$baz', 'should be defined by Pass'))
+            ->setArgument('$baz', new AbstractArgument('should be defined by Pass'))
             ->setArgument('$bar', 'test')
             ->setPublic(true);
 
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Dumper/XmlDumperTest.php b/src/Symfony/Component/DependencyInjection/Tests/Dumper/XmlDumperTest.php
index f0bcd6d7de..b5ea873159 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Dumper/XmlDumperTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Dumper/XmlDumperTest.php
@@ -264,7 +264,7 @@ class XmlDumperTest extends TestCase
     {
         $container = new ContainerBuilder();
         $container->register(FooWithAbstractArgument::class, FooWithAbstractArgument::class)
-            ->setArgument('$baz', new AbstractArgument(FooWithAbstractArgument::class, '$baz', 'should be defined by Pass'))
+            ->setArgument('$baz', new AbstractArgument('should be defined by Pass'))
             ->setArgument('$bar', 'test');
 
         $dumper = new XmlDumper($container);
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Dumper/YamlDumperTest.php b/src/Symfony/Component/DependencyInjection/Tests/Dumper/YamlDumperTest.php
index d7896ae436..fa1266f535 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Dumper/YamlDumperTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Dumper/YamlDumperTest.php
@@ -123,7 +123,7 @@ class YamlDumperTest extends TestCase
     {
         $container = new ContainerBuilder();
         $container->register(FooWithAbstractArgument::class, FooWithAbstractArgument::class)
-            ->setArgument('$baz', new AbstractArgument(FooWithAbstractArgument::class, '$baz', 'should be defined by Pass'))
+            ->setArgument('$baz', new AbstractArgument('should be defined by Pass'))
             ->setArgument('$bar', 'test');
 
         $dumper = new YamlDumper($container);