Gradle script fails to resolve artifactory

Question

I use Gradle to access Artifactory. Artifactory has certain dependencies, but somehow Gradle cannot send any request to Artifactory. Even I tried to clear the cache and run the gradle build to extract the file. But I did not get any success. By gradle.build the file is as follows.

 buildscript { repositories { maven { url 'http://repo.jfrog.org/artifactory/gradle-plugins' } } dependencies { classpath(group: 'org.jfrog.buildinfo', name: 'build-info-extractor-gradle', version: '2.0.12') } } apply plugin: 'maven' apply plugin: 'artifactory' apply plugin: 'java' repositories { maven { url 'http://artifactory/repo' } } group = 'com.locationlabs' version = '1.1' artifacts { archives file("${project.name}-${project.version}-jstest.txt") } artifactory { contextUrl = 'http://artifactory' publish { repository { repoKey = 'autotest' username = 'rakesh.kumar' password = 'password' } defaults { publishBuildInfo = true publishArtifacts = true publishPom = true publishIvy = false } } } artifactoryPublish { publishConfigs('archives') } dependencies { compile group: 'com.locationlabs', name: 'gradletest', version: '1.0', classifier: 'jstest', ext: 'txt' } 

Whenever I run the Gradle script, it crashes with the following exception and stacktrace.

 akesh.kumar@rakesh :~/automation/gradletest$ gradle build --stacktrace :compileJava FAILURE: Build failed with an exception. * What went wrong: Could not resolve all dependencies for configuration ':compile'. > java.lang.NullPointerException (no error message) * Try: Run with --info or --debug option to get more log output. * Exception is: org.gradle.api.artifacts.ResolveException: Could not resolve all dependencies for configuration ':compile'. at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingArtifactDependencyResolver.wrapException(ErrorHandlingArtifactDependencyResolver.java:47) at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingArtifactDependencyResolver.access$000(ErrorHandlingArtifactDependencyResolver.java:26) at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingArtifactDependencyResolver$BrokenResolvedConfiguration.rethrowFailure(ErrorHandlingArtifactDependencyResolver.java:127) at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration$ConfigurationFileCollection.getFiles(DefaultConfiguration.java:458) at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.getFiles(DefaultConfiguration.java:203) at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration_Decorated.getFiles(Unknown Source) at org.gradle.api.internal.file.collections.DefaultFileCollectionResolveContext$FileTreeConverter.convertInto(DefaultFileCollectionResolveContext.java:191) at org.gradle.api.internal.file.collections.DefaultFileCollectionResolveContext.doResolve(DefaultFileCollectionResolveContext.java:103) at org.gradle.api.internal.file.collections.DefaultFileCollectionResolveContext.resolveAsFileTrees(DefaultFileCollectionResolveContext.java:75) at org.gradle.api.internal.file.collections.DefaultFileCollectionResolveContext$FileTreeConverter.convertInto(DefaultFileCollectionResolveContext.java:182) at org.gradle.api.internal.file.collections.DefaultFileCollectionResolveContext.doResolve(DefaultFileCollectionResolveContext.java:98) at org.gradle.api.internal.file.collections.DefaultFileCollectionResolveContext.resolveAsFileTrees(DefaultFileCollectionResolveContext.java:75) at org.gradle.api.internal.file.CompositeFileCollection$1.resolve(CompositeFileCollection.java:88) at org.gradle.api.internal.file.CompositeFileCollection.getSourceCollections(CompositeFileCollection.java:143) at org.gradle.api.internal.file.CompositeFileTree.getSourceCollections(CompositeFileTree.java:30) at org.gradle.api.internal.file.CompositeFileCollection.getFiles(CompositeFileCollection.java:38) at org.gradle.api.internal.file.AbstractFileCollection.iterator(AbstractFileCollection.java:60) at org.gradle.api.internal.changedetection.DefaultFileSnapshotter.snapshot(DefaultFileSnapshotter.java:42) at org.gradle.api.internal.changedetection.InputFilesChangedUpToDateRule.create(InputFilesChangedUpToDateRule.java:35) at org.gradle.api.internal.changedetection.CompositeUpToDateRule.create(CompositeUpToDateRule.java:35) at org.gradle.api.internal.changedetection.DefaultTaskArtifactStateRepository$HistoricExecution.calcCurrentState(DefaultTaskArtifactStateRepository.java:80) at org.gradle.api.internal.changedetection.DefaultTaskArtifactStateRepository$HistoricExecution.isUpToDate(DefaultTaskArtifactStateRepository.java:88) at org.gradle.api.internal.changedetection.DefaultTaskArtifactStateRepository$TaskArtifactStateImpl.isUpToDate(DefaultTaskArtifactStateRepository.java:128) at org.gradle.api.internal.changedetection.ShortCircuitTaskArtifactStateRepository$ShortCircuitArtifactState.isUpToDate(ShortCircuitTaskArtifactStateRepository.java:77) at org.gradle.api.internal.changedetection.FileCacheBroadcastTaskArtifactStateRepository$1.isUpToDate(FileCacheBroadcastTaskArtifactStateRepository.java:37) at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:44) at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:57) at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:41) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:51) at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:52) at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:42) at org.gradle.api.internal.AbstractTask.executeWithoutThrowingTaskFailure(AbstractTask.java:247) at org.gradle.execution.DefaultTaskGraphExecuter.executeTask(DefaultTaskGraphExecuter.java:192) at org.gradle.execution.DefaultTaskGraphExecuter.doExecute(DefaultTaskGraphExecuter.java:177) at org.gradle.execution.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:83) at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:36) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61) at org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23) at org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:67) at org.gradle.api.internal.changedetection.TaskCacheLockHandlingBuildExecuter$1.run(TaskCacheLockHandlingBuildExecuter.java:31) at org.gradle.cache.internal.DefaultCacheAccess$1.create(DefaultCacheAccess.java:111) at org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:126) at org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:109) at org.gradle.cache.internal.DefaultPersistentDirectoryStore.useCache(DefaultPersistentDirectoryStore.java:103) at org.gradle.api.internal.changedetection.DefaultTaskArtifactStateCacheAccess.useCache(DefaultTaskArtifactStateCacheAccess.java:79) at org.gradle.api.internal.changedetection.TaskCacheLockHandlingBuildExecuter.execute(TaskCacheLockHandlingBuildExecuter.java:29) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61) at org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23) at org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:67) at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:54) at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:155) at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:110) at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:78) at org.gradle.launcher.cli.RunBuildAction.execute(RunBuildAction.java:42) at org.gradle.launcher.cli.RunBuildAction.execute(RunBuildAction.java:28) at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:201) at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:174) at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:170) at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:139) at org.gradle.launcher.exec.ExceptionReportingAction.execute(ExceptionReportingAction.java:31) at org.gradle.launcher.exec.ExceptionReportingAction.execute(ExceptionReportingAction.java:20) at org.gradle.launcher.Main.doAction(Main.java:48) at org.gradle.launcher.exec.EntryPoint.run(EntryPoint.java:45) at org.gradle.launcher.Main.main(Main.java:39) at org.gradle.launcher.ProcessBootstrap.runNoExit(ProcessBootstrap.java:50) at org.gradle.launcher.ProcessBootstrap.run(ProcessBootstrap.java:32) at org.gradle.launcher.GradleMain.main(GradleMain.java:24) Caused by: java.lang.NullPointerException at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DependencyGraphBuilder$ConfigurationNode.getArtifacts(DependencyGraphBuilder.java:651) at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DependencyGraphBuilder$DependencyEdge.attachToParents(DependencyGraphBuilder.java:356) at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DependencyGraphBuilder$ConfigurationNode.attachToParents(DependencyGraphBuilder.java:764) at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DependencyGraphBuilder.assembleResult(DependencyGraphBuilder.java:140) at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DependencyGraphBuilder.resolve(DependencyGraphBuilder.java:56) at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DefaultDependencyResolver.resolve(DefaultDependencyResolver.java:67) at org.gradle.api.internal.artifacts.ivyservice.CacheLockingArtifactDependencyResolver$1.create(CacheLockingArtifactDependencyResolver.java:36) at org.gradle.api.internal.artifacts.ivyservice.CacheLockingArtifactDependencyResolver$1.create(CacheLockingArtifactDependencyResolver.java:34) at org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:126) at org.gradle.cache.internal.DefaultPersistentDirectoryStore.useCache(DefaultPersistentDirectoryStore.java:99) at org.gradle.api.internal.artifacts.ivyservice.DefaultCacheLockingManager.useCache(DefaultCacheLockingManager.java:49) at org.gradle.api.internal.artifacts.ivyservice.CacheLockingArtifactDependencyResolver.resolve(CacheLockingArtifactDependencyResolver.java:34) at org.gradle.api.internal.artifacts.ivyservice.SelfResolvingDependencyResolver.resolve(SelfResolvingDependencyResolver.java:42) at org.gradle.api.internal.artifacts.ivyservice.ShortcircuitEmptyConfigsArtifactDependencyResolver.resolve(ShortcircuitEmptyConfigsArtifactDependencyResolver.java:78) at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingArtifactDependencyResolver.resolve(ErrorHandlingArtifactDependencyResolver.java:36) at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.getResolvedConfiguration(DefaultConfiguration.java:236) at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration_Decorated.getResolvedConfiguration(Unknown Source) at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration$ConfigurationFileCollection.getFiles(DefaultConfiguration.java:456) ... 65 more BUILD FAILED 

It is very strange that the same script file runs on another computer, but does not work on mine, even if the other computer has the same configuration and setting.

I tried to search the Internet but could not get any help. Any help here is much appreciated.

Answer 1

I saw the same NPE yesterday after trying to change the name of my project inside gradle.settings ( rootProject.name = 'something' ). When I remove this line from gradle.settings, the exception disappears.

After some investigation and using http://forums.gradle.org/gradle/topics/how_to_get_the_latest_integration_version_number, I finally found out that the reason is a kind of cyclical dependency when my project depended on some module that is transitively dependent on a module with the same the name of the group and project, as well as the "current" project.

Could this be your business? What is the name of your project? And what are the gradletest dependencies? Make sure your gradletest reference module is independent of your project. Or, if your project is called gradletest , this definitely explains the error.