{"record":{"id":"1dc19aae4ce89779","repo":"apache/maven","slug":"no-binding-to-construct-an-instance-for-key-e-1dc19a","errorCode":null,"errorMessage":"No binding to construct an instance for key {}.  Existing bindings:\n{}","messagePattern":"No binding to construct an instance for key (.+?)\\.  Existing bindings:\n(.+?)","errorType":"exception","errorClass":"DIException","httpStatus":null,"severity":"error","filePath":"impl/maven-di/src/main/java/org/apache/maven/di/impl/InjectorImpl.java","lineNumber":269,"sourceCode":"            if (k.getRawType() == String.class && res2 != null) {\n                Map<String, Supplier<Object>> map = res2.stream()\n                        .filter(b -> b.getOriginalKey() == null\n                                || b.getOriginalKey().getQualifier() == null\n                                || b.getOriginalKey().getQualifier() instanceof String)\n                        .collect(Collectors.toMap(\n                                b -> (String)\n                                        (b.getOriginalKey() != null\n                                                ? b.getOriginalKey().getQualifier()\n                                                : null),\n                                this::compile));\n                //noinspection unchecked\n                return () -> (Q) map(map, Supplier::get);\n            }\n        }\n        if (dep.optional()) {\n            return () -> null;\n        }\n        throw new DIException(\"No binding to construct an instance for key \"\n                + key.getDisplayString() + \".  Existing bindings:\\n\"\n                + getBoundKeys().stream()\n                        .map(Key::toString)\n                        .map(String::trim)\n                        .sorted()\n                        .distinct()\n                        .collect(Collectors.joining(\"\\n - \", \" - \", \"\")));\n    }\n\n    @SuppressWarnings(\"unchecked\")\n    protected <Q> Supplier<Q> compile(Binding<Q> binding) {\n        Supplier<Q> compiled = binding.compile(this::getCompiledBinding);\n        if (binding.getScope() != null) {\n            Scope scope = scopes.entrySet().stream()\n                    .filter(e -> e.getKey().isInstance(binding.getScope()))\n                    .findFirst()\n                    .map(Map.Entry::getValue)\n                    .orElseThrow(() -> new DIException(\"Scope not bound for annotation \"","sourceCodeStart":251,"sourceCodeEnd":287,"githubUrl":"https://github.com/apache/maven/blob/e4093d4e120eac99d6bdce5ba67cace2f3085c97/impl/maven-di/src/main/java/org/apache/maven/di/impl/InjectorImpl.java#L251-L287","documentation":"Error \"No binding to construct an instance for key {}.  Existing bindings:\n{}\" thrown in apache/maven.","triggerScenarios":"Thrown at impl/maven-di/src/main/java/org/apache/maven/di/impl/InjectorImpl.java:269 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"e4093d4e120eac99d6bdce5ba67cace2f3085c97","analyzedAt":"2026-08-21T22:58:24.034Z","schemaVersion":2},"datasetVersion":"2026-08-21T23:17:16.201Z"}