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Build fails if a toolchain language version is defined and a JRE is detected #15094

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tomwhoiscontrary opened this issue Nov 8, 2020 · 2 comments · Fixed by #15137
Closed

Build fails if a toolchain language version is defined and a JRE is detected #15094

tomwhoiscontrary opened this issue Nov 8, 2020 · 2 comments · Fixed by #15137
Labels
a:bug in:jvm-ecosystem
Milestone
6.8 RC1

Comments

@tomwhoiscontrary
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Expected Behavior

If build.gradle specifies a particular language version for the toolchain, and there is a suitable JDK available, and there is also a JRE which is not part of a JDK installed on the machine, then the build should succeed, using the suitable JDK.

Current Behavior

The build fails as below:

FAILURE: Build failed with an exception.

* What went wrong:
Could not determine the dependencies of task ':app:distTar'.
> Could not resolve all dependencies for configuration ':app:runtimeClasspath'.
   > Failed to calculate the value of task ':app:compileJava' property 'javaCompiler'.
      > Unable to configure Java installation, probing failed with the following message: A problem occurred starting process 'command '/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-0.fc32.x86_64/bin/java''

I include the full stack trace at the end.

Context

I have set the Java version in my build.gradle, for reproducibility:

java {
    toolchain {
        languageVersion = JavaLanguageVersion.of(11);
    }
}

If i remove the line setting languageVersion, the build succeeds.

I am currently using Fedora 32, with a JDK installed using SDKMAN!, but i would like the project to build on other machines as well.

Steps to Reproduce

I am not including a project, because i don't think it will tell you much, but am happy to do so if that would help.

  1. Install Fedora 32
  2. Install Java 11 (i used SDKMAN!)
  3. Install Gradle 6.7 (i used SDKMAN!)
  4. Create a Java library project using gradle init
  5. Add the following to build.gradle:
java {
    toolchain {
        languageVersion = JavaLanguageVersion.of(11);
    }
}
  1. Run JAVA_HOME=~/.sdkman/candidates/java/current ./gradlew clean build

I appreciate that you may not want to install a whole new operating system to reproduce this bug. You could try using a Fedora Docker container - although i have not verified that this bug occurs with such a container.

However, if my diagnosis is correct, it should be quite simple to reproduce the bug. This looks like the smoking gun:

Caused by: java.lang.IllegalStateException: Unable to configure Java installation, probing failed with the following message: A problem occurred starting process 'command '/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-0.fc32.x86_64/bin/java''
        at org.gradle.jvm.toolchain.internal.JavaInstallationProbe$ProbeResult.assertOk(JavaInstallationProbe.java:136)
        at org.gradle.jvm.toolchain.internal.JavaInstallationProbe$ProbeResult.getJavaHome(JavaInstallationProbe.java:99)
        at org.gradle.jvm.toolchain.internal.JavaToolchain.<init>(JavaToolchain.java:47)
        at org.gradle.jvm.toolchain.internal.JavaToolchainFactory.newInstance(JavaToolchainFactory.java:41)
        at org.gradle.jvm.toolchain.internal.JavaToolchainQueryService.asToolchain(JavaToolchainQueryService.java:86)
        at org.gradle.jvm.toolchain.internal.JavaToolchainQueryService.query(JavaToolchainQueryService.java:68)
        at org.gradle.jvm.toolchain.internal.JavaToolchainQueryService.lambda$findMatchingToolchain$0(JavaToolchainQueryService.java:56)

What i think is happening is that because i have specified the languageVersion, the JavaToolchainQueryService is being used to find a suitable toolchain. As part of initialisation, the JavaToolchainQueryService searches the machine for toolchains, and validates each one. However, it makes the assumption that each toolchain is a JDK. It somehow detects a JRE i have installed, assumes it is a JDK, and probes it. The probe fails, and this makes the build fail.

If this diangosis is correct, you should be able to reproduce the bug by installing a JRE, without a JDK, somewhere on your machine, where Gradle will find it.

There are perhaps even two underlying bugs:

  1. JavaToolchainQueryService assumes that a JRE is always part of a JDK

  2. If JavaToolchainQueryService fails to probe a JDK, it crashes the build, rather than discarding the JDK

Your Environment

Build scan URL: https://gradle.com/s/zu4veiw77jclg

I am using a fairly stock Fedora 32 machine, where there is by default a JRE installed through the package manager, but not a JDK. I have installed a JDK using SDKMAN!

To be more precise, the package java-1.8.0-openjdk-headless-1.8.0.272.b10-0.fc32.x86_64 is installed. This provides a JRE:

$ /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-0.fc32.x86_64/jre/bin/java -version
openjdk version "1.8.0_272"
OpenJDK Runtime Environment (build 1.8.0_272-b10)
OpenJDK 64-Bit Server VM (build 25.272-b10, mixed mode)

But no JDK:

$ ls /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-0.fc32.x86_64
jre

I have a full JDK installed via SDKMAN!:

$ which java
~/.sdkman/candidates/java/current/bin/java
$ ~/.sdkman/candidates/java/current/bin/java -version
openjdk version "11.0.9" 2020-10-20
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.9+11)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.9+11, mixed mode)
$ ~/.sdkman/candidates/java/current/bin/javac -version
javac 11.0.9

Stack Trace

* Exception is:
org.gradle.api.internal.tasks.TaskDependencyResolveException: Could not determine the dependencies of task ':app:distTar'.
        at org.gradle.api.internal.tasks.CachingTaskDependencyResolveContext.getDependencies(CachingTaskDependencyResolveContext.java:69)
        at org.gradle.execution.plan.TaskDependencyResolver.resolveDependenciesFor(TaskDependencyResolver.java:46)
        at org.gradle.execution.plan.LocalTaskNode.getDependencies(LocalTaskNode.java:160)
        at org.gradle.execution.plan.LocalTaskNode.resolveDependencies(LocalTaskNode.java:128)
        at org.gradle.execution.plan.DefaultExecutionPlan.doAddNodes(DefaultExecutionPlan.java:163)
        at org.gradle.execution.plan.DefaultExecutionPlan.addEntryTasks(DefaultExecutionPlan.java:133)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph.addEntryTasks(DefaultTaskExecutionGraph.java:147)
        at org.gradle.execution.TaskNameResolvingBuildConfigurationAction.configure(TaskNameResolvingBuildConfigurationAction.java:49)
        at org.gradle.execution.DefaultBuildConfigurationActionExecuter.configure(DefaultBuildConfigurationActionExecuter.java:55)
        at org.gradle.execution.DefaultBuildConfigurationActionExecuter.access$000(DefaultBuildConfigurationActionExecuter.java:26)
        at org.gradle.execution.DefaultBuildConfigurationActionExecuter$1.proceed(DefaultBuildConfigurationActionExecuter.java:63)
        at org.gradle.execution.DefaultTasksBuildExecutionAction.configure(DefaultTasksBuildExecutionAction.java:45)
        at org.gradle.execution.DefaultBuildConfigurationActionExecuter.configure(DefaultBuildConfigurationActionExecuter.java:55)
        at org.gradle.execution.DefaultBuildConfigurationActionExecuter.access$000(DefaultBuildConfigurationActionExecuter.java:26)
        at org.gradle.execution.DefaultBuildConfigurationActionExecuter$1.proceed(DefaultBuildConfigurationActionExecuter.java:63)
        at org.gradle.execution.ExcludedTaskFilteringBuildConfigurationAction.configure(ExcludedTaskFilteringBuildConfigurationAction.java:48)
        at org.gradle.execution.DefaultBuildConfigurationActionExecuter.configure(DefaultBuildConfigurationActionExecuter.java:55)
        at org.gradle.execution.DefaultBuildConfigurationActionExecuter.lambda$select$0(DefaultBuildConfigurationActionExecuter.java:42)
        at org.gradle.internal.Factories$1.create(Factories.java:26)
        at org.gradle.api.internal.project.DefaultProjectStateRegistry.withMutableStateOfAllProjects(DefaultProjectStateRegistry.java:141)
        at org.gradle.api.internal.project.DefaultProjectStateRegistry.withMutableStateOfAllProjects(DefaultProjectStateRegistry.java:128)
        at org.gradle.execution.DefaultBuildConfigurationActionExecuter.select(DefaultBuildConfigurationActionExecuter.java:40)
        at org.gradle.initialization.DefaultTaskExecutionPreparer.prepareForTaskExecution(DefaultTaskExecutionPreparer.java:38)
        at org.gradle.initialization.BuildOperationFiringTaskExecutionPreparer$CalculateTaskGraph.populateTaskGraph(BuildOperationFiringTaskExecutionPreparer.java:117)
        at org.gradle.initialization.BuildOperationFiringTaskExecutionPreparer$CalculateTaskGraph.run(BuildOperationFiringTaskExecutionPreparer.java:68)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:29)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:26)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:56)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$run$1(DefaultBuildOperationExecutor.java:71)
        at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.runWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:45)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:71)
        at org.gradle.initialization.BuildOperationFiringTaskExecutionPreparer.prepareForTaskExecution(BuildOperationFiringTaskExecutionPreparer.java:56)
        at org.gradle.initialization.DefaultGradleLauncher.prepareTaskExecution(DefaultGradleLauncher.java:235)
        at org.gradle.initialization.DefaultGradleLauncher.doClassicBuildStages(DefaultGradleLauncher.java:169)
        at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:150)
        at org.gradle.initialization.DefaultGradleLauncher.executeTasks(DefaultGradleLauncher.java:126)
        at org.gradle.internal.invocation.GradleBuildController$1.create(GradleBuildController.java:72)
        at org.gradle.internal.invocation.GradleBuildController$1.create(GradleBuildController.java:67)
        at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:178)
        at org.gradle.internal.invocation.GradleBuildController.doBuild(GradleBuildController.java:67)
        at org.gradle.internal.invocation.GradleBuildController.run(GradleBuildController.java:56)
        at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:31)
        at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
        at org.gradle.launcher.exec.BuildOutcomeReportingBuildActionRunner.run(BuildOutcomeReportingBuildActionRunner.java:63)
        at org.gradle.tooling.internal.provider.ValidatingBuildActionRunner.run(ValidatingBuildActionRunner.java:32)
        at org.gradle.tooling.internal.provider.FileSystemWatchingBuildActionRunner.run(FileSystemWatchingBuildActionRunner.java:67)
        at org.gradle.launcher.exec.BuildCompletionNotifyingBuildActionRunner.run(BuildCompletionNotifyingBuildActionRunner.java:41)
        at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner$3.call(RunAsBuildOperationBuildActionRunner.java:49)
        at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner$3.call(RunAsBuildOperationBuildActionRunner.java:44)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:200)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:195)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:75)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$3.execute(DefaultBuildOperationRunner.java:68)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:153)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:68)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:62)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.lambda$call$2(DefaultBuildOperationExecutor.java:76)
        at org.gradle.internal.operations.UnmanagedBuildOperationWrapper.callWithUnmanagedSupport(UnmanagedBuildOperationWrapper.java:54)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:76)
        at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner.run(RunAsBuildOperationBuildActionRunner.java:44)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter.lambda$execute$0(InProcessBuildActionExecuter.java:54)
        at org.gradle.composite.internal.DefaultRootBuildState.run(DefaultRootBuildState.java:87)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:53)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:29)
        at org.gradle.launcher.exec.BuildTreeScopeLifecycleBuildActionExecuter.lambda$execute$0(BuildTreeScopeLifecycleBuildActionExecuter.java:33)
        at org.gradle.internal.buildtree.BuildTreeState.run(BuildTreeState.java:49)
        at org.gradle.launcher.exec.BuildTreeScopeLifecycleBuildActionExecuter.execute(BuildTreeScopeLifecycleBuildActionExecuter.java:32)
        at org.gradle.launcher.exec.BuildTreeScopeLifecycleBuildActionExecuter.execute(BuildTreeScopeLifecycleBuildActionExecuter.java:27)
        at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:104)
        at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:55)
        at org.gradle.tooling.internal.provider.SubscribableBuildActionExecuter.execute(SubscribableBuildActionExecuter.java:64)
        at org.gradle.tooling.internal.provider.SubscribableBuildActionExecuter.execute(SubscribableBuildActionExecuter.java:37)
        at org.gradle.tooling.internal.provider.SessionScopeLifecycleBuildActionExecuter.lambda$execute$0(SessionScopeLifecycleBuildActionExecuter.java:54)
        at org.gradle.internal.session.BuildSessionState.run(BuildSessionState.java:67)
        at org.gradle.tooling.internal.provider.SessionScopeLifecycleBuildActionExecuter.execute(SessionScopeLifecycleBuildActionExecuter.java:50)
        at org.gradle.tooling.internal.provider.SessionScopeLifecycleBuildActionExecuter.execute(SessionScopeLifecycleBuildActionExecuter.java:36)
        at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:36)
        at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:25)
        at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:59)
        at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:31)
        at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:55)
        at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:41)
        at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:47)
        at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:31)
        at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:65)
        at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)
        at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
        at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:39)
        at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
        at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:29)
        at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
        at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:35)
        at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
        at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.create(ForwardClientInput.java:78)
        at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.create(ForwardClientInput.java:75)
        at org.gradle.util.Swapper.swap(Swapper.java:38)
        at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:75)
        at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
        at org.gradle.launcher.daemon.server.exec.LogAndCheckHealth.execute(LogAndCheckHealth.java:55)
        at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
        at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:63)
        at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)
        at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
        at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:84)
        at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)
        at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
        at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:52)
        at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:297)
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
        at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
        at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
Caused by: org.gradle.api.artifacts.ResolveException: Could not resolve all dependencies for configuration ':app:runtimeClasspath'.
        at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingConfigurationResolver.wrapException(ErrorHandlingConfigurationResolver.java:104)
        at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingConfigurationResolver.resolveBuildDependencies(ErrorHandlingConfigurationResolver.java:65)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.lambda$resolveGraphForBuildDependenciesIfRequired$6(DefaultConfiguration.java:730)
        at org.gradle.api.internal.project.DefaultProjectStateRegistry$CalculatedModelValueImpl.update(DefaultProjectStateRegistry.java:361)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.resolveGraphForBuildDependenciesIfRequired(DefaultConfiguration.java:726)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.access$1600(DefaultConfiguration.java:139)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration$ConfigurationFileCollection.visitDependencies(DefaultConfiguration.java:1232)
        at org.gradle.api.internal.tasks.CachingTaskDependencyResolveContext$TaskGraphImpl.getNodeValues(CachingTaskDependencyResolveContext.java:112)
        at org.gradle.internal.graph.CachingDirectedGraphWalker$GraphWithEmptyEdges.getNodeValues(CachingDirectedGraphWalker.java:213)
        at org.gradle.internal.graph.CachingDirectedGraphWalker.doSearch(CachingDirectedGraphWalker.java:121)
        at org.gradle.internal.graph.CachingDirectedGraphWalker.findValues(CachingDirectedGraphWalker.java:73)
        at org.gradle.api.internal.tasks.CachingTaskDependencyResolveContext.getDependencies(CachingTaskDependencyResolveContext.java:67)
        ... 114 more
Caused by: org.gradle.api.internal.provider.AbstractProperty$PropertyQueryException: Failed to calculate the value of task ':app:compileJava' property 'javaCompiler'.
        at org.gradle.api.internal.provider.AbstractProperty.finalizeNow(AbstractProperty.java:239)
        at org.gradle.api.internal.provider.AbstractProperty.beforeRead(AbstractProperty.java:230)
        at org.gradle.api.internal.provider.AbstractProperty.calculatePresence(AbstractProperty.java:56)
        at org.gradle.api.internal.provider.AbstractMinimalProvider.isPresent(AbstractMinimalProvider.java:74)
        at org.gradle.api.plugins.JavaBasePlugin.lambda$determineCompatibility$8(JavaBasePlugin.java:326)
        at org.gradle.util.GUtil.uncheckedCall(GUtil.java:442)
        at org.gradle.internal.extensibility.ConventionAwareHelper$2.doGetValue(ConventionAwareHelper.java:82)
        at org.gradle.internal.extensibility.ConventionAwareHelper$MappedPropertyImpl.getValue(ConventionAwareHelper.java:128)
        at org.gradle.internal.extensibility.ConventionAwareHelper.getConventionValue(ConventionAwareHelper.java:110)
        at org.gradle.api.tasks.compile.JavaCompile_Decorated.getTargetCompatibility(Unknown Source)
        at org.gradle.api.plugins.jvm.internal.DefaultJvmPluginServices.lambda$configureDefaultTargetPlatform$4(DefaultJvmPluginServices.java:211)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.preventFromFurtherMutation(DefaultConfiguration.java:953)
        at org.gradle.api.internal.artifacts.ivyservice.moduleconverter.DefaultLocalComponentMetadataBuilder.createConfiguration(DefaultLocalComponentMetadataBuilder.java:74)
        at org.gradle.api.internal.artifacts.ivyservice.moduleconverter.DefaultLocalComponentMetadataBuilder.addConfiguration(DefaultLocalComponentMetadataBuilder.java:48)
        at org.gradle.api.internal.artifacts.ivyservice.moduleconverter.DefaultRootComponentMetadataBuilder.addConfiguration(DefaultRootComponentMetadataBuilder.java:100)
        at org.gradle.api.internal.artifacts.ivyservice.moduleconverter.DefaultRootComponentMetadataBuilder.getRootComponentMetadata(DefaultRootComponentMetadataBuilder.java:94)
        at org.gradle.api.internal.artifacts.ivyservice.moduleconverter.DefaultRootComponentMetadataBuilder.lambda$buildRootComponentMetadata$0(DefaultRootComponentMetadataBuilder.java:84)
        at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.fromMutableState(DefaultProjectStateRegistry.java:265)
        at org.gradle.api.internal.artifacts.ivyservice.moduleconverter.DefaultRootComponentMetadataBuilder.buildRootComponentMetadata(DefaultRootComponentMetadataBuilder.java:82)
        at org.gradle.api.internal.artifacts.ivyservice.moduleconverter.DefaultRootComponentMetadataBuilder.toRootComponentMetaData(DefaultRootComponentMetadataBuilder.java:68)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.toRootComponentMetaData(DefaultConfiguration.java:1070)
        at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DefaultArtifactDependencyResolver$DefaultResolveContextToComponentResolver.resolve(DefaultArtifactDependencyResolver.java:219)
        at org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.builder.DependencyGraphBuilder.resolve(DependencyGraphBuilder.java:137)
        at org.gradle.api.internal.artifacts.ivyservice.resolveengine.DefaultArtifactDependencyResolver.resolve(DefaultArtifactDependencyResolver.java:137)
        at org.gradle.api.internal.artifacts.ivyservice.DefaultConfigurationResolver.resolveBuildDependencies(DefaultConfigurationResolver.java:136)
        at org.gradle.api.internal.artifacts.ivyservice.ShortCircuitEmptyConfigurationResolver.resolveBuildDependencies(ShortCircuitEmptyConfigurationResolver.java:76)
        at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingConfigurationResolver.resolveBuildDependencies(ErrorHandlingConfigurationResolver.java:63)
        ... 124 more
Caused by: java.lang.IllegalStateException: Unable to configure Java installation, probing failed with the following message: A problem occurred starting process 'command '/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.272.b10-0.fc32.x86_64/bin/java''
        at org.gradle.jvm.toolchain.internal.JavaInstallationProbe$ProbeResult.assertOk(JavaInstallationProbe.java:136)
        at org.gradle.jvm.toolchain.internal.JavaInstallationProbe$ProbeResult.getJavaHome(JavaInstallationProbe.java:99)
        at org.gradle.jvm.toolchain.internal.JavaToolchain.<init>(JavaToolchain.java:47)
        at org.gradle.jvm.toolchain.internal.JavaToolchainFactory.newInstance(JavaToolchainFactory.java:41)
        at org.gradle.jvm.toolchain.internal.JavaToolchainQueryService.asToolchain(JavaToolchainQueryService.java:86)
        at org.gradle.jvm.toolchain.internal.JavaToolchainQueryService.query(JavaToolchainQueryService.java:68)
        at org.gradle.jvm.toolchain.internal.JavaToolchainQueryService.lambda$findMatchingToolchain$0(JavaToolchainQueryService.java:56)
        at org.gradle.api.internal.provider.DefaultProvider.calculateOwnValue(DefaultProvider.java:66)
        at org.gradle.api.internal.provider.AbstractMinimalProvider.calculateValue(AbstractMinimalProvider.java:103)
        at org.gradle.api.internal.provider.TransformBackedProvider.calculateOwnValue(TransformBackedProvider.java:64)
        at org.gradle.api.internal.provider.AbstractMinimalProvider.calculateValue(AbstractMinimalProvider.java:103)
        at org.gradle.api.internal.provider.MappingProvider.calculateOwnValue(MappingProvider.java:55)
        at org.gradle.api.internal.provider.AbstractMinimalProvider.calculateValue(AbstractMinimalProvider.java:103)
        at org.gradle.api.internal.provider.AbstractMinimalProvider.withFinalValue(AbstractMinimalProvider.java:151)
        at org.gradle.api.internal.provider.DefaultProperty.finalValue(DefaultProperty.java:133)
        at org.gradle.api.internal.provider.DefaultProperty.finalValue(DefaultProperty.java:25)
        at org.gradle.api.internal.provider.AbstractProperty.finalizeNow(AbstractProperty.java:236)
        ... 150 more
@bmuskalla bmuskalla added the @jvm label Nov 9, 2020
@bmuskalla bmuskalla added this to the 6.8 RC1 milestone Nov 9, 2020
@bmuskalla
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Thanks @tomwhoiscontrary for the detailed bug report, very appreciated. I think our analysis is close. The fact that it's a JRE is not a problem, a JRE can be a valid toolchain. The problem we're facing is that we assume a certain layout that is not present in your case. Usually, in a java home, you find either the binaries in bin or a symlink to them (e.g. bin/java --> jre/bin/java). But in your case, given it's just a JRE, there are none of those common symlinks presents. So need to treat <HomeWeFound>/jre is the java home we're probing.
While generally not too bad, this is amplified by the fact that the toolchain query service currently does not filter out installations that it can't detect (which is a known issue and to be fixed in 6.8). . For the time being, you can disable auto-detection and point it to some known installations.

@bmuskalla
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Reproducer:

docker run -t -i fedora:32 /bin/bash
$ sudo dnf install java-1.8.0-openjdk.x86_64
$ tree /usr/lib/jvm -L 2

/usr/lib/jvm
├── java-1.8.0-openjdk-1.8.0.272.b10-0.fc32.x86_64
│   └── jre
├── jre -> /etc/alternatives/jre
├── jre-1.8.0 -> /etc/alternatives/jre_1.8.0
├── jre-1.8.0-openjdk -> /etc/alternatives/jre_1.8.0_openjdk
├── jre-1.8.0-openjdk-1.8.0.272.b10-0.fc32.x86_64 -> java-1.8.0-openjdk-1.8.0.272.b10-0.fc32.x86_64/jre
└── jre-openjdk -> /etc/alternatives/jre_openjdk

bmuskalla pushed a commit that referenced this issue Nov 12, 2020
Allow detecting standalone jres inside other installation locations
b6dcb9e 
Fixes #15094
@bmuskalla bmuskalla mentioned this issue Nov 12, 2020
Merged
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a:bug in:jvm-ecosystem
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Allow detecting standalone jres inside other installation locations gradle/gradle
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@ljacomet @bmuskalla @tomwhoiscontrary