{"record":{"id":"96e9ccbe4f21371c","repo":"apache/maven","slug":"count-problem-s-were-encountered-while-building","errorCode":null,"errorMessage":"{count} problem(s) were encountered while building the effective toolchains","messagePattern":"(.+?) problem\\(s\\) were encountered while building the effective toolchains","errorType":"exception","errorClass":"ToolchainsBuildingException","httpStatus":null,"severity":"error","filePath":"compat/maven-toolchain-builder/src/main/java/org/apache/maven/toolchain/building/DefaultToolchainsBuilder.java","lineNumber":79,"sourceCode":"    @Inject\n    private ToolchainsReader toolchainsReader;\n\n    @Override\n    public ToolchainsBuildingResult build(ToolchainsBuildingRequest request) throws ToolchainsBuildingException {\n        ProblemCollector problems = ProblemCollectorFactory.newInstance(null);\n\n        PersistedToolchains globalToolchains = readToolchains(request.getGlobalToolchainsSource(), request, problems);\n\n        PersistedToolchains userToolchains = readToolchains(request.getUserToolchainsSource(), request, problems);\n\n        toolchainsMerger.merge(userToolchains, globalToolchains, TrackableBase.GLOBAL_LEVEL);\n\n        problems.setSource(\"\");\n\n        userToolchains = interpolate(userToolchains, problems);\n\n        if (hasErrors(problems.getProblems())) {\n            throw new ToolchainsBuildingException(problems.getProblems());\n        }\n\n        return new DefaultToolchainsBuildingResult(userToolchains, problems.getProblems());\n    }\n\n    private PersistedToolchains interpolate(PersistedToolchains toolchains, ProblemCollector problems) {\n\n        StringWriter stringWriter = new StringWriter(1024 * 4);\n        try {\n            toolchainsWriter.write(stringWriter, null, toolchains);\n        } catch (IOException e) {\n            throw new IllegalStateException(\"Failed to serialize toolchains to memory\", e);\n        }\n\n        String serializedToolchains = stringWriter.toString();\n\n        RegexBasedInterpolator interpolator = new RegexBasedInterpolator();\n","sourceCodeStart":61,"sourceCodeEnd":97,"githubUrl":"https://github.com/apache/maven/blob/e4093d4e120eac99d6bdce5ba67cace2f3085c97/compat/maven-toolchain-builder/src/main/java/org/apache/maven/toolchain/building/DefaultToolchainsBuilder.java#L61-L97","documentation":"Error \"{count} problem(s) were encountered while building the effective toolchains\" thrown in apache/maven.","triggerScenarios":"Thrown at compat/maven-toolchain-builder/src/main/java/org/apache/maven/toolchain/building/DefaultToolchainsBuilder.java:79 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"}