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Bug
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Resolution: Unresolved
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Major
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None
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7.11.1.GA, 7.13.5.GA
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None
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3
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False
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None
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False
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Upstream GH issue: https://github.com/apache/incubator-kie-drools/issues/5974
With multithread builds, there is a risk of deadlock between KieRepositoryImpl.kieModuleRepo and KieScannerHolder.kieScanner:
"Thread-A":
at org.kie.scanner.KieRepositoryScannerImpl.getArtifactVersion(KieRepositoryScannerImpl.java:121)
- waiting to lock <0x0000000711e6db08> (a org.kie.scanner.KieRepositoryScannerImpl)
at org.drools.compiler.kie.builder.impl.KieRepositoryImpl$KieModuleRepo.load(KieRepositoryImpl.java:442)
- locked <0x000000070287ac40> (a org.drools.compiler.kie.builder.impl.KieRepositoryImpl$KieModuleRepo)
at org.drools.compiler.kie.builder.impl.KieRepositoryImpl$KieModuleRepo.load(KieRepositoryImpl.java:426)
- locked <0x000000070287ac40> (a org.drools.compiler.kie.builder.impl.KieRepositoryImpl$KieModuleRepo)
at org.drools.compiler.kie.builder.impl.KieRepositoryImpl.getKieModule(KieRepositoryImpl.java:128) // KieScannerHolder.kieScanner is used
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.init(KieBuilderImpl.java:170)
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:218)
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:214)
at org.kie.workbench.common.services.backend.builder.core.Builder.build(Builder.java:213)
...
"Thread-B":
at org.drools.compiler.kie.builder.impl.KieRepositoryImpl$KieModuleRepo.load(KieRepositoryImpl.java:426)
- waiting to lock <0x000000070287ac40> (a org.drools.compiler.kie.builder.impl.KieRepositoryImpl$KieModuleRepo)
at org.drools.compiler.kie.builder.impl.KieRepositoryImpl.getKieModule(KieRepositoryImpl.java:128)
at org.drools.compiler.kie.builder.impl.KieRepositoryImpl.getKieModule(KieRepositoryImpl.java:115)
at org.kie.scanner.KieRepositoryScannerImpl.addDependencies(KieRepositoryScannerImpl.java:151)
at org.kie.scanner.KieRepositoryScannerImpl.buildArtifact(KieRepositoryScannerImpl.java:144)
at org.kie.scanner.KieRepositoryScannerImpl.loadArtifact(KieRepositoryScannerImpl.java:117)
at org.kie.scanner.KieRepositoryScannerImpl.loadArtifact(KieRepositoryScannerImpl.java:112)
- locked <0x0000000711e6db08> (a org.kie.scanner.KieRepositoryScannerImpl)
at org.drools.compiler.kie.builder.impl.KieRepositoryImpl.loadKieModuleFromMavenRepo(KieRepositoryImpl.java:192) // KieScannerHolder.kieScanner is used
at org.drools.compiler.kie.builder.impl.KieRepositoryImpl.getKieModule(KieRepositoryImpl.java:138)
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.init(KieBuilderImpl.java:170)
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:218)
at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:214)
- is related to
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RHPAM-4953 [ONE-OFF] (7.11.1) Deadlock between KieRepositoryImpl.kieModuleRepo and KieScannerHolder.kieScanner
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- Release Pending
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