Source: grpc-java
Version: 1.20.0+ds-3
Severity: serious
Justification: FTBFS on arm64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20201205 ftbfs-bullseye

Hi,

During a rebuild of all packages in sid, your package failed to build
on arm64 (I don't know if it also fails on amd64).

Relevant part (hopefully):
> make[4]: Entering directory '/<<PKGBUILDDIR>>'
> make[4]: Nothing to be done for 'all-am'.
> make[4]: Leaving directory '/<<PKGBUILDDIR>>'
> make[3]: Leaving directory '/<<PKGBUILDDIR>>'
> make[2]: Leaving directory '/<<PKGBUILDDIR>>'
> dh_auto_build
>       mkdir -p .gradle/init.d
>       cp /usr/share/gradle-debian-helper/init.gradle .gradle/init.d/
>       gradle --info --console plain --offline --stacktrace --no-daemon 
> --refresh-dependencies --gradle-user-home .gradle -Duser.home=. 
> -Duser.name=debian -Ddebian.package=grpc-java -Dfile.encoding=UTF-8 
> --parallel --max-workers=4 jar
> Initialized native services in: /<<PKGBUILDDIR>>/.gradle/native
> Using 4 worker leases.
> Creating new cache for fileHashes, path 
> /<<PKGBUILDDIR>>/.gradle/caches/4.4.1/fileHashes/fileHashes.bin, access 
> org.gradle.cache.internal.DefaultCacheAccess@2d8f2f3a
> Creating new cache for resourceHashesCache, path 
> /<<PKGBUILDDIR>>/.gradle/caches/4.4.1/fileHashes/resourceHashesCache.bin, 
> access org.gradle.cache.internal.DefaultCacheAccess@2d8f2f3a
> Creating new cache for fileHashes, path 
> /<<PKGBUILDDIR>>/.gradle/4.4.1/fileHashes/fileHashes.bin, access 
> org.gradle.cache.internal.DefaultCacheAccess@6a9287b1
> WARNING: An illegal reflective access operation has occurred
> WARNING: Illegal reflective access using Lookup on 
> org.gradle.internal.reflect.JavaMethod 
> (file:/usr/share/gradle/lib/gradle-base-services-4.4.1.jar) to class 
> java.lang.ClassLoader
> WARNING: Please consider reporting this to the maintainers of 
> org.gradle.internal.reflect.JavaMethod
> WARNING: Use --illegal-access=warn to enable warnings of further illegal 
> reflective access operations
> WARNING: All illegal access operations will be denied in a future release
> Starting Build
> Compiling initialization script '/<<PKGBUILDDIR>>/.gradle/init.d/init.gradle' 
> using SubsetScriptTransformer.
> Creating new cache for metadata-1.1/results, path 
> /<<PKGBUILDDIR>>/.gradle/caches/transforms-1/metadata-1.1/results.bin, access 
> org.gradle.cache.internal.DefaultCacheAccess@16da1abc
> Compiling initialization script '/<<PKGBUILDDIR>>/.gradle/init.d/init.gradle' 
> using BuildScriptTransformer.
> Compiling settings file '/<<PKGBUILDDIR>>/settings.gradle' using 
> SubsetScriptTransformer.
> Compiling settings file '/<<PKGBUILDDIR>>/settings.gradle' using 
> BuildScriptTransformer.
> Settings evaluated using settings file '/<<PKGBUILDDIR>>/settings.gradle'.
> Projects loaded. Root project using build file 
> '/<<PKGBUILDDIR>>/build.gradle'.
> Included projects: [root project 'grpc', project ':grpc-auth', project 
> ':grpc-context', project ':grpc-core', project ':grpc-netty', project 
> ':grpc-protobuf', project ':grpc-protobuf-lite', project ':grpc-stub']
>       Keep-alive timer started
>       Adding Debian repository to project 'grpc'
>       Adding Debian repository to project 'grpc-auth'
>       Adding Debian repository to project 'grpc-context'
>       Adding Debian repository to project 'grpc-core'
>       Adding Debian repository to project 'grpc-netty'
>       Adding Debian repository to project 'grpc-protobuf'
>       Adding Debian repository to project 'grpc-protobuf-lite'
>       Adding Debian repository to project 'grpc-stub'
> Parallel execution is an incubating feature.
> Evaluating root project 'grpc' using build file 
> '/<<PKGBUILDDIR>>/build.gradle'.
> Compiling build file '/<<PKGBUILDDIR>>/build.gradle' using 
> SubsetScriptTransformer.
> Compiling build file '/<<PKGBUILDDIR>>/build.gradle' using 
> BuildScriptTransformer.
> Evaluating project ':grpc-auth' using build file 
> '/<<PKGBUILDDIR>>/auth/build.gradle'.
> Compiling build file '/<<PKGBUILDDIR>>/auth/build.gradle' using 
> SubsetScriptTransformer.
> Compiling build file '/<<PKGBUILDDIR>>/auth/build.gradle' using 
> BuildScriptTransformer.
>       Adding Maven pom generation to project 'grpc-auth'
>       Linking the generated javadoc to the system JDK API documentation
> Evaluating project ':grpc-context' using build file 
> '/<<PKGBUILDDIR>>/context/build.gradle'.
> Compiling build file '/<<PKGBUILDDIR>>/context/build.gradle' using 
> SubsetScriptTransformer.
> Compiling build file '/<<PKGBUILDDIR>>/context/build.gradle' using 
> BuildScriptTransformer.
>       Adding Maven pom generation to project 'grpc-context'
>       Linking the generated javadoc to the system JDK API documentation
> Evaluating project ':grpc-core' using build file 
> '/<<PKGBUILDDIR>>/core/build.gradle'.
> Compiling build file '/<<PKGBUILDDIR>>/core/build.gradle' using 
> SubsetScriptTransformer.
> Compiling build file '/<<PKGBUILDDIR>>/core/build.gradle' using 
> BuildScriptTransformer.
>       Adding Maven pom generation to project 'grpc-core'
>       Linking the generated javadoc to the system JDK API documentation
> Evaluating project ':grpc-netty' using build file 
> '/<<PKGBUILDDIR>>/netty/build.gradle'.
> Compiling build file '/<<PKGBUILDDIR>>/netty/build.gradle' using 
> SubsetScriptTransformer.
> Compiling build file '/<<PKGBUILDDIR>>/netty/build.gradle' using 
> BuildScriptTransformer.
>       Adding Maven pom generation to project 'grpc-netty'
>       Linking the generated javadoc to the system JDK API documentation
> Evaluating project ':grpc-protobuf' using build file 
> '/<<PKGBUILDDIR>>/protobuf/build.gradle'.
> Compiling build file '/<<PKGBUILDDIR>>/protobuf/build.gradle' using 
> SubsetScriptTransformer.
> Compiling build file '/<<PKGBUILDDIR>>/protobuf/build.gradle' using 
> BuildScriptTransformer.
>       Adding Maven pom generation to project 'grpc-protobuf'
>       Linking the generated javadoc to the system JDK API documentation
> Evaluating project ':grpc-protobuf-lite' using build file 
> '/<<PKGBUILDDIR>>/protobuf-lite/build.gradle'.
> Compiling build file '/<<PKGBUILDDIR>>/protobuf-lite/build.gradle' using 
> SubsetScriptTransformer.
> Compiling build file '/<<PKGBUILDDIR>>/protobuf-lite/build.gradle' using 
> BuildScriptTransformer.
>       Adding Maven pom generation to project 'grpc-protobuf-lite'
>       Linking the generated javadoc to the system JDK API documentation
> Evaluating project ':grpc-stub' using build file 
> '/<<PKGBUILDDIR>>/stub/build.gradle'.
> Compiling build file '/<<PKGBUILDDIR>>/stub/build.gradle' using 
> SubsetScriptTransformer.
> Compiling build file '/<<PKGBUILDDIR>>/stub/build.gradle' using 
> BuildScriptTransformer.
>       Adding Maven pom generation to project 'grpc-stub'
>       Linking the generated javadoc to the system JDK API documentation
> All projects evaluated.
> Selected primary task 'jar' from project :
> Creating new cache for annotation-processors, path 
> /<<PKGBUILDDIR>>/.gradle/4.4.1/fileContent/annotation-processors.bin, access 
> org.gradle.cache.internal.DefaultCacheAccess@4ef277ef
> Tasks to be executed: [task ':grpc-context:compileJava', task 
> ':grpc-context:processResources', task ':grpc-context:classes', task 
> ':grpc-context:debianMavenPom', task ':grpc-context:jar', task 
> ':grpc-core:compileJava', task ':grpc-core:processResources', task 
> ':grpc-core:classes', task ':grpc-core:debianMavenPom', task 
> ':grpc-core:jar', task ':grpc-auth:compileJava', task 
> ':grpc-auth:processResources', task ':grpc-auth:classes', task 
> ':grpc-auth:debianMavenPom', task ':grpc-auth:jar', task 
> ':grpc-netty:compileJava', task ':grpc-netty:processResources', task 
> ':grpc-netty:classes', task ':grpc-netty:debianMavenPom', task 
> ':grpc-netty:jar', task ':grpc-protobuf-lite:compileJava', task 
> ':grpc-protobuf-lite:processResources', task ':grpc-protobuf-lite:classes', 
> task ':grpc-protobuf-lite:debianMavenPom', task ':grpc-protobuf-lite:jar', 
> task ':grpc-protobuf:compileJava', task ':grpc-protobuf:processResources', 
> task ':grpc-protobuf:classes', task ':grpc-protobuf:debianMavenPom', task 
> ':grpc-protobuf:jar', task ':grpc-stub:compileJava', task 
> ':grpc-stub:processResources', task ':grpc-stub:classes', task 
> ':grpc-stub:debianMavenPom', task ':grpc-stub:jar']
> Creating new cache for resourceHashesCache, path 
> /<<PKGBUILDDIR>>/.gradle/4.4.1/fileHashes/resourceHashesCache.bin, access 
> org.gradle.cache.internal.DefaultCacheAccess@6a9287b1
> Creating new cache for taskHistory, path 
> /<<PKGBUILDDIR>>/.gradle/4.4.1/taskHistory/taskHistory.bin, access 
> org.gradle.cache.internal.DefaultCacheAccess@38f3dbbf
> Creating new cache for outputFiles, path 
> /<<PKGBUILDDIR>>/.gradle/buildOutputCleanup/outputFiles.bin, access 
> org.gradle.cache.internal.DefaultCacheAccess@1d0fc0bc
> :grpc-context:compileJava (Thread[main,5,main]) started.
> :grpc-context:compileJava
> :grpc-netty:processResources (Thread[Task worker for ':' Thread 2,5,main]) 
> started.
> :grpc-core:processResources (Thread[Task worker for ':' Thread 3,5,main]) 
> started.
> :grpc-auth:processResources (Thread[Task worker for ':',5,main]) started.
> Putting task artifact state for task ':grpc-context:compileJava' into context 
> took 0.006 secs.
> :grpc-core:processResources
> :grpc-netty:processResources
> Putting task artifact state for task ':grpc-core:processResources' into 
> context took 0.0 secs.
> Putting task artifact state for task ':grpc-netty:processResources' into 
> context took 0.0 secs.
> :grpc-auth:processResources
> Putting task artifact state for task ':grpc-auth:processResources' into 
> context took 0.0 secs.
> file or directory '/<<PKGBUILDDIR>>/auth/src/main/resources', not found
> Skipping task ':grpc-auth:processResources' as it has no source files and no 
> previous output files.
> :grpc-auth:processResources NO-SOURCE
> :grpc-auth:processResources (Thread[Task worker for ':',5,main]) completed. 
> Took 0.028 secs.
> :grpc-auth:debianMavenPom (Thread[Task worker for ':',5,main]) started.
> :grpc-auth:debianMavenPom
> Putting task artifact state for task ':grpc-auth:debianMavenPom' into context 
> took 0.0 secs.
> Up-to-date check for task ':grpc-auth:debianMavenPom' took 0.008 secs. It is 
> not up-to-date because:
>   No history is available.
> Up-to-date check for task ':grpc-core:processResources' took 0.007 secs. It 
> is not up-to-date because:
>   No history is available.
> Up-to-date check for task ':grpc-netty:processResources' took 0.007 secs. It 
> is not up-to-date because:
>   No history is available.
> Up-to-date check for task ':grpc-context:compileJava' took 0.013 secs. It is 
> not up-to-date because:
>   No history is available.
> All input files are considered out-of-date for incremental task 
> ':grpc-context:compileJava'.
> Compiling with JDK Java compiler API.
> :grpc-netty:processResources (Thread[Task worker for ':' Thread 2,5,main]) 
> completed. Took 0.084 secs.
> :grpc-netty:debianMavenPom (Thread[Task worker for ':' Thread 2,5,main]) 
> started.
> :grpc-netty:debianMavenPom
> Putting task artifact state for task ':grpc-netty:debianMavenPom' into 
> context took 0.0 secs.
> Up-to-date check for task ':grpc-netty:debianMavenPom' took 0.001 secs. It is 
> not up-to-date because:
>   No history is available.
> :grpc-core:processResources (Thread[Task worker for ':' Thread 3,5,main]) 
> completed. Took 0.092 secs.
> :grpc-core:debianMavenPom (Thread[Task worker for ':' Thread 3,5,main]) 
> started.
> :grpc-core:debianMavenPom
> Putting task artifact state for task ':grpc-core:debianMavenPom' into context 
> took 0.0 secs.
> Up-to-date check for task ':grpc-core:debianMavenPom' took 0.003 secs. It is 
> not up-to-date because:
>   No history is available.
>       Generating pom file /<<PKGBUILDDIR>>/auth/build/debian/grpc-auth.pom
>       Generating pom file /<<PKGBUILDDIR>>/netty/build/debian/grpc-netty.pom
>       Generating pom file /<<PKGBUILDDIR>>/core/build/debian/grpc-core.pom
> :grpc-auth:debianMavenPom (Thread[Task worker for ':',5,main]) completed. 
> Took 0.167 secs.
> :grpc-protobuf-lite:processResources (Thread[Task worker for ':',5,main]) 
> started.
> :grpc-protobuf-lite:processResources
> Putting task artifact state for task ':grpc-protobuf-lite:processResources' 
> into context took 0.0 secs.
> file or directory '/<<PKGBUILDDIR>>/protobuf-lite/src/main/resources', not 
> found
> :grpc-core:debianMavenPom (Thread[Task worker for ':' Thread 3,5,main]) 
> completed. Took 0.109 secs.
> Skipping task ':grpc-protobuf-lite:processResources' as it has no source 
> files and no previous output files.
> :grpc-protobuf-lite:processResources NO-SOURCE
> :grpc-protobuf:processResources (Thread[Task worker for ':' Thread 3,5,main]) 
> started.
> :grpc-netty:debianMavenPom (Thread[Task worker for ':' Thread 2,5,main]) 
> completed. Took 0.122 secs.
> :grpc-protobuf-lite:processResources (Thread[Task worker for ':',5,main]) 
> completed. Took 0.005 secs.
> :grpc-protobuf:processResources
> :grpc-stub:processResources (Thread[Task worker for ':' Thread 2,5,main]) 
> started.
> :grpc-stub:processResources
> Putting task artifact state for task ':grpc-stub:processResources' into 
> context took 0.0 secs.
> Putting task artifact state for task ':grpc-protobuf:processResources' into 
> context took 0.0 secs.
> :grpc-protobuf-lite:debianMavenPom (Thread[Task worker for ':',5,main]) 
> started.
> file or directory '/<<PKGBUILDDIR>>/stub/src/main/resources', not found
> Skipping task ':grpc-stub:processResources' as it has no source files and no 
> previous output files.
> :grpc-stub:processResources NO-SOURCE
> :grpc-protobuf-lite:debianMavenPom
> :grpc-stub:processResources (Thread[Task worker for ':' Thread 2,5,main]) 
> completed. Took 0.001 secs.
> Putting task artifact state for task ':grpc-protobuf-lite:debianMavenPom' 
> into context took 0.0 secs.
> :grpc-stub:debianMavenPom (Thread[Task worker for ':' Thread 2,5,main]) 
> started.
> file or directory '/<<PKGBUILDDIR>>/protobuf/src/main/resources', not found
> :grpc-stub:debianMavenPom
> Putting task artifact state for task ':grpc-stub:debianMavenPom' into context 
> took 0.0 secs.
> Skipping task ':grpc-protobuf:processResources' as it has no source files and 
> no previous output files.
> :grpc-protobuf:processResources NO-SOURCE
> :grpc-protobuf:processResources (Thread[Task worker for ':' Thread 3,5,main]) 
> completed. Took 0.004 secs.
> Up-to-date check for task ':grpc-protobuf-lite:debianMavenPom' took 0.0 secs. 
> It is not up-to-date because:
>   No history is available.
> Up-to-date check for task ':grpc-stub:debianMavenPom' took 0.0 secs. It is 
> not up-to-date because:
>   No history is available.
> :grpc-protobuf:debianMavenPom (Thread[Task worker for ':' Thread 3,5,main]) 
> started.
> :grpc-protobuf:debianMavenPom
> Putting task artifact state for task ':grpc-protobuf:debianMavenPom' into 
> context took 0.0 secs.
>       Generating pom file 
> /<<PKGBUILDDIR>>/protobuf-lite/build/debian/grpc-protobuf-lite.pom
> Up-to-date check for task ':grpc-protobuf:debianMavenPom' took 0.0 secs. It 
> is not up-to-date because:
>   No history is available.
>       Generating pom file /<<PKGBUILDDIR>>/stub/build/debian/grpc-stub.pom
> :grpc-stub:debianMavenPom (Thread[Task worker for ':' Thread 2,5,main]) 
> completed. Took 0.011 secs.
>       Generating pom file 
> /<<PKGBUILDDIR>>/protobuf/build/debian/grpc-protobuf.pom
> :grpc-protobuf-lite:debianMavenPom (Thread[Task worker for ':',5,main]) 
> completed. Took 0.017 secs.
> :grpc-protobuf:debianMavenPom (Thread[Task worker for ':' Thread 3,5,main]) 
> completed. Took 0.015 secs.
> :grpc-context:compileJava (Thread[main,5,main]) completed. Took 0.844 secs.
> :grpc-context:processResources (Thread[main,5,main]) started.
> :grpc-context:processResources
> Putting task artifact state for task ':grpc-context:processResources' into 
> context took 0.0 secs.
> file or directory '/<<PKGBUILDDIR>>/context/src/main/resources', not found
> Skipping task ':grpc-context:processResources' as it has no source files and 
> no previous output files.
> :grpc-context:processResources NO-SOURCE
> :grpc-context:processResources (Thread[main,5,main]) completed. Took 0.001 
> secs.
> :grpc-context:classes (Thread[main,5,main]) started.
> :grpc-context:classes
> Skipping task ':grpc-context:classes' as it has no actions.
> :grpc-context:classes (Thread[main,5,main]) completed. Took 0.0 secs.
> :grpc-context:debianMavenPom (Thread[main,5,main]) started.
> :grpc-context:debianMavenPom
> Putting task artifact state for task ':grpc-context:debianMavenPom' into 
> context took 0.0 secs.
> Up-to-date check for task ':grpc-context:debianMavenPom' took 0.0 secs. It is 
> not up-to-date because:
>   No history is available.
>       Generating pom file 
> /<<PKGBUILDDIR>>/context/build/debian/grpc-context.pom
> :grpc-context:debianMavenPom (Thread[main,5,main]) completed. Took 0.004 secs.
> :grpc-context:jar (Thread[Task worker for ':' Thread 3,5,main]) started.
> :grpc-context:jar
> Putting task artifact state for task ':grpc-context:jar' into context took 
> 0.0 secs.
> Up-to-date check for task ':grpc-context:jar' took 0.004 secs. It is not 
> up-to-date because:
>   No history is available.
> :grpc-context:jar (Thread[Task worker for ':' Thread 3,5,main]) completed. 
> Took 0.037 secs.
> :grpc-core:compileJava (Thread[Task worker for ':',5,main]) started.
> :grpc-core:compileJava
> Putting task artifact state for task ':grpc-core:compileJava' into context 
> took 0.0 secs.
> Creating new cache for metadata-2.36/module-metadata, path 
> /<<PKGBUILDDIR>>/.gradle/caches/modules-2/metadata-2.36/module-metadata.bin, 
> access org.gradle.cache.internal.DefaultCacheAccess@2ff86446
>       Loading the Maven rules...
>       Replacing com.google.code.gson:gson:jar:2.7  ->  
> com.google.code.gson:gson:jar:debian
>       Passing through com.google.code.gson:gson-parent:jar:debian
>       Replacing com.google.errorprone:error_prone_annotations:jar:2.3.2  ->  
> com.google.errorprone:error_prone_annotations:jar:debian
>       Passing through com.google.errorprone:error_prone_parent:jar:debian
>       Replacing com.google.code.findbugs:jsr305:jar:3.0.2  ->  
> com.google.code.findbugs:jsr305:jar:debian
>       Ignoring com.google.android:annotations:jar:4.1.1.4
>       Replacing org.codehaus.mojo:animal-sniffer-annotations:jar:1.17  ->  
> org.codehaus.mojo:animal-sniffer-annotations:jar:debian
>       Passing through com.google.guava:guava:jar:debian
>       Passing through com.google.guava:guava-parent:jar:debian
>       Passing through io.opencensus:opencensus-api:jar:debian
>       Passing through io.opencensus:opencensus-contrib-grpc-metrics:jar:debian
>       Passing through org.jsr-305:jsr305:jar:0.x
> Up-to-date check for task ':grpc-core:compileJava' took 0.758 secs. It is not 
> up-to-date because:
>   No history is available.
> All input files are considered out-of-date for incremental task 
> ':grpc-core:compileJava'.
> Compiling with JDK Java compiler API.
> /<<PKGBUILDDIR>>/core/src/main/java/io/grpc/internal/CensusStatsModule.java:21:
>  error: cannot find symbol
> import static io.opencensus.tags.unsafe.ContextUtils.TAG_CONTEXT_KEY;
> ^
>   symbol:   static TAG_CONTEXT_KEY
>   location: class ContextUtils
> /<<PKGBUILDDIR>>/core/src/main/java/io/grpc/internal/CensusTracingModule.java:20:
>  error: cannot find symbol
> import static io.opencensus.trace.unsafe.ContextUtils.CONTEXT_SPAN_KEY;
> ^
>   symbol:   static CONTEXT_SPAN_KEY
>   location: class ContextUtils
> /<<PKGBUILDDIR>>/core/src/main/java/io/grpc/internal/CensusStatsModule.java:359:
>  warning: [deprecation] put(TagKey,TagValue) in TagContextBuilder has been 
> deprecated
>           .put(DeprecatedCensusConstants.RPC_METHOD, methodTag)
>           ^
> /<<PKGBUILDDIR>>/core/src/main/java/io/grpc/internal/CensusStatsModule.java:445:
>  warning: [deprecation] put(TagKey,TagValue) in TagContextBuilder has been 
> deprecated
>               .put(DeprecatedCensusConstants.RPC_STATUS, statusTag)
>               ^
> /<<PKGBUILDDIR>>/core/src/main/java/io/grpc/internal/CensusStatsModule.java:650:
>  warning: [deprecation] put(TagKey,TagValue) in TagContextBuilder has been 
> deprecated
>               .put(DeprecatedCensusConstants.RPC_STATUS, statusTag)
>               ^
> /<<PKGBUILDDIR>>/core/src/main/java/io/grpc/internal/CensusStatsModule.java:657:
>  error: cannot find symbol
>         return context.withValue(TAG_CONTEXT_KEY, parentCtx);
>                                  ^
>   symbol:   variable TAG_CONTEXT_KEY
>   location: class ServerTracer
> /<<PKGBUILDDIR>>/core/src/main/java/io/grpc/internal/CensusStatsModule.java:675:
>  warning: [deprecation] put(TagKey,TagValue) in TagContextBuilder has been 
> deprecated
>               .put(DeprecatedCensusConstants.RPC_METHOD, methodTag)
>               ^
> /<<PKGBUILDDIR>>/core/src/main/java/io/grpc/internal/CensusTracingModule.java:345:
>  error: cannot find symbol
>       return context.withValue(CONTEXT_SPAN_KEY, span);
>                                ^
>   symbol:   variable CONTEXT_SPAN_KEY
>   location: class CensusTracingModule.ServerTracer
> /<<PKGBUILDDIR>>/core/src/main/java/io/grpc/internal/CensusTracingModule.java:385:
>  error: cannot find symbol
>       final ClientCallTracer tracerFactory = 
> newClientCallTracer(CONTEXT_SPAN_KEY.get(), method);
>                                                                  ^
>   symbol:   variable CONTEXT_SPAN_KEY
>   location: class CensusTracingModule.TracingClientInterceptor
> 5 errors
> 4 warnings
> :grpc-core:compileJava FAILED
> :grpc-core:compileJava (Thread[Task worker for ':',5,main]) completed. Took 
> 2.383 secs.
> 
> FAILURE: Build failed with an exception.
> 
> * What went wrong:
> Execution failed for task ':grpc-core:compileJava'.
> > Compilation failed; see the compiler error output for details.
> 
> * Try:
> Run with --debug option to get more log output. Run with --scan to get full 
> insights.
> 
> * Exception is:
> org.gradle.api.tasks.TaskExecutionException: Execution failed for task 
> ':grpc-core:compileJava'.
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:100)
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:70)
>       at 
> org.gradle.api.internal.tasks.execution.OutputDirectoryCreatingTaskExecuter.execute(OutputDirectoryCreatingTaskExecuter.java:51)
>       at 
> org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:62)
>       at 
> org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachingStateExecuter.java:54)
>       at 
> org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:60)
>       at 
> org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:97)
>       at 
> org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:87)
>       at 
> org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:52)
>       at 
> org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
>       at 
> org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54)
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
>       at 
> org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.run(DefaultTaskGraphExecuter.java:248)
>       at 
> org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
>       at 
> org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
>       at 
> org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
>       at 
> org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:241)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:230)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processTask(DefaultTaskPlanExecutor.java:123)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200(DefaultTaskPlanExecutor.java:79)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:104)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:98)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:626)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:581)
>       at 
> org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run(DefaultTaskPlanExecutor.java:98)
>       at 
> org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
>       at 
> org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
>       at 
> org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
> Caused by: org.gradle.api.internal.tasks.compile.CompilationFailedException: 
> Compilation failed; see the compiler error output for details.
>       at 
> org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:50)
>       at 
> org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:35)
>       at 
> org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.delegateAndHandleErrors(NormalizingJavaCompiler.java:98)
>       at 
> org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:51)
>       at 
> org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:37)
>       at 
> org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:35)
>       at 
> org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:25)
>       at 
> org.gradle.api.tasks.compile.JavaCompile.performCompilation(JavaCompile.java:207)
>       at 
> org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:192)
>       at 
> org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:124)
>       at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
>       at 
> org.gradle.api.internal.project.taskfactory.IncrementalTaskAction.doExecute(IncrementalTaskAction.java:46)
>       at 
> org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:39)
>       at 
> org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:26)
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:121)
>       at 
> org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
>       at 
> org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
>       at 
> org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
>       at 
> org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:110)
>       at 
> org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:92)
>       ... 29 more
> 
> 
> * Get more help at https://help.gradle.org
> 
> BUILD FAILED in 7s
> 12 actionable tasks: 12 executed
> dh_auto_build: error: gradle --info --console plain --offline --stacktrace 
> --no-daemon --refresh-dependencies --gradle-user-home .gradle -Duser.home=. 
> -Duser.name=debian -Ddebian.package=grpc-java -Dfile.encoding=UTF-8 
> --parallel --max-workers=4 jar returned exit code 1
> make[1]: *** [debian/rules:30: override_dh_auto_build] Error 25

The full build log is available from:
   http://qa-logs.debian.net/2020/12/05/grpc-java_1.20.0+ds-3_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

If you reassign this bug to another package, please marking it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with me
so that we can identify if something relevant changed in the meantime.

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.

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