{"record":{"id":"eb6ab58704b00fee","repo":"quarkusio/quarkus","slug":"failed-to-translate-providerjar-to-url","errorCode":null,"errorMessage":"Failed to translate ${providerJar} to URL","messagePattern":"Failed to translate (.+?) to URL","errorType":"exception","errorClass":"IllegalStateException","httpStatus":null,"severity":"error","filePath":"independent-projects/tools/registry-client/src/main/java/io/quarkus/registry/ExtensionCatalogResolver.java","lineNumber":168,"sourceCode":"            } catch (Exception e) {\n                throw new IllegalStateException(\"Failed to process configuration of \" + config.getId()\n                        + \" registry: failed to cast \" + providerValue + \" to String\", e);\n            }\n            final File providerJar;\n            try {\n                providerJar = artifactResolver.resolve(new DefaultArtifact(providerArtifact.getGroupId(),\n                        providerArtifact.getArtifactId(), providerArtifact.getClassifier(),\n                        providerArtifact.getType(), providerArtifact.getVersion())).getArtifact().getFile();\n            } catch (BootstrapMavenException e) {\n                throw new IllegalStateException(\n                        \"Failed to resolve the registry client factory provider artifact \" + providerArtifact, e);\n            }\n            log.debug(\"Loading registry client factory for %s from %s\", config.getId(), providerArtifact);\n            final URL url;\n            try {\n                url = providerJar.toURI().toURL();\n            } catch (MalformedURLException e) {\n                throw new IllegalStateException(\"Failed to translate \" + providerJar + \" to URL\", e);\n            }\n            return loadFromUrl(url);\n        }\n\n        private RegistryClientFactory loadFromUrl(final URL url) {\n            try {\n                // here we use the classloader that loaded RegistryClientFactoryProvider instead of the TCCL\n                // because, apparently, the TCCL doesn't work for this use-case from Maven plugins with extensions enabled\n                final ClassLoader providerCl = new URLClassLoader(new URL[] { url },\n                        RegistryClientFactoryProvider.class.getClassLoader());\n                final Iterator<RegistryClientFactoryProvider> i = ServiceLoader\n                        .load(RegistryClientFactoryProvider.class, providerCl).iterator();\n                if (!i.hasNext()) {\n                    throw new Exception(\"Failed to locate an implementation of \" + RegistryClientFactoryProvider.class.getName()\n                            + \" service provider\");\n                }\n                final RegistryClientFactoryProvider provider = i.next();\n                if (i.hasNext()) {","sourceCodeStart":150,"sourceCodeEnd":186,"githubUrl":"https://github.com/quarkusio/quarkus/blob/e1c734241f34c7919086ceb4c9262b4a58f6de44/independent-projects/tools/registry-client/src/main/java/io/quarkus/registry/ExtensionCatalogResolver.java#L150-L186","documentation":"Thrown as IllegalStateException when the resolved provider jar's File cannot be converted to a URL via providerJar.toURI().toURL(), i.e. a MalformedURLException. In practice this is nearly impossible for a real resolved jar file, but guards against unexpected file paths.","triggerScenarios":"loadFromArtifact in ExtensionCatalogResolver, immediately after a successful artifact resolution, when providerJar.toURI().toURL() throws MalformedURLException.","commonSituations":"Corrupt or unusual local repository path (illegal URL characters, malformed filesystem path); platform-specific path issues.","solutions":["Inspect the resolved jar path printed in the message for illegal characters or malformed syntax","Ensure the local Maven repository location in settings.xml is a valid plain directory path","Re-run resolution; if persistent, clear the corrupted local-repo entry so the file is re-downloaded"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"File jar = ...; URI uri = jar.toURI(); // ensure path is absolute and normal","typeGuard":null,"tryCatchPattern":"try { resolver.getClientFactory(); } catch (IllegalStateException e) { log.error(\"Provider jar path: \" + e.getMessage(), e); throw e; }","preventionTips":["Keep the local Maven repository path simple (ASCII, no special characters)","Use an absolute path for alternate local repositories","Avoid symlinks with exotic targets for the local repo"],"tags":["url","registry-client"],"backgroundTag":"malformed-url","analyzedSha":"e1c734241f34c7919086ceb4c9262b4a58f6de44","analyzedAt":"2026-09-05T17:01:29.979Z","contentChangedAt":"2026-09-05T17:01:29.979Z","schemaVersion":2},"datasetVersion":"2026-09-12T22:17:10.623Z"}