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[7.1.0] Fix NPE in BzlmodRepoRuleFunction #20829

Merged
merged 1 commit into from
Jan 10, 2024

Commits on Jan 9, 2024

  1. Fix NPE in BzlmodRepoRuleFunction

    Speculative fix for this crash:
    
    ```
    FATAL: bazel crashed due to an internal error. Printing stack trace:
    java.lang.RuntimeException: Unrecoverable error while evaluating node 'BZLMOD_REPO_RULE:@@_main~remote_jdk8_repos~remote_jdk8_macos_aarch64_toolchain_config_repo' (requested by nodes 'REPOSITORY_DIRECTORY:@@_main~remote_jdk8_repos~remote_jdk8_macos_aarch64_toolchain_config_repo')
    	at com.google.devtools.build.skyframe.AbstractParallelEvaluator$Evaluate.run(AbstractParallelEvaluator.java:550)
    	at com.google.devtools.build.lib.concurrent.AbstractQueueVisitor$WrappedRunnable.run(AbstractQueueVisitor.java:414)
    	at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(Unknown Source)
    	at java.base/java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
    	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(Unknown Source)
    	at java.base/java.util.concurrent.ForkJoinPool.scan(Unknown Source)
    	at java.base/java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
    	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
    Caused by: java.lang.NullPointerException: Cannot invoke "com.google.devtools.build.lib.bazel.bzlmod.BzlmodRepoRuleValue.getRule()" because the return value of "com.google.devtools.build.lib.skyframe.BzlmodRepoRuleFunction.createRuleFromSpec(com.google.devtools.build.lib.bazel.bzlmod.RepoSpec, net.starlark.java.eval.StarlarkSemantics, com.google.devtools.build.skyframe.SkyFunction$Environment)" is null
    	at com.google.devtools.build.lib.skyframe.BzlmodRepoRuleFunction.compute(BzlmodRepoRuleFunction.java:151)
    	at com.google.devtools.build.skyframe.AbstractParallelEvaluator$Evaluate.run(AbstractParallelEvaluator.java:461)
    	... 7 more
    ```
    
    Closes bazelbuild#20807.
    
    PiperOrigin-RevId: 597050428
    Change-Id: Ie8e5c3800be1a7adbacab4ac115acfd308c0f59e
    fmeum authored and bazel-io committed Jan 9, 2024
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