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https://issues.apache.org/jira/browse/MRESOLVER-189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17378015#comment-17378015
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Michael Osipov commented on MRESOLVER-189:
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What would be extremely helpful is that if a build hangs procude a thread dump
of the process. This helped me to narrow down the issues in Redisson. As soon
as we have data, we can go over to the Redisson devs.
> Using semaphore-redisson followed by rwlock-redisson on many parallel build
> of the same project triggers redisson error
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: MRESOLVER-189
> URL: https://issues.apache.org/jira/browse/MRESOLVER-189
> Project: Maven Resolver
> Issue Type: Bug
> Reporter: Jacques-Etienne Beaudet
> Priority: Major
>
> While testing performance for in
> [https://github.com/apache/maven-resolver/pull/68,] I ran into an error using
> rwlock-redisson. Here are the steps to reproduce (hopefully it's easily
> reproducible on your end) and the logs of the run (trace enabled on
> org.eclipse.aether) at the end :
> * `redis-cli flushall` to get a clean slate
> * Clone a repository with a fair size
> * Make 4 copy of this repository (I ran my test with 4 copies, but 2 might
> be enough?)
> * `mvn clean` on all repositories
> * run a parallel build with semaphore-redis (`mvn compile -T1C
> -Daether.syncContext.named.factory=semaphore-redisson`) on all repositories
> * `mvn clean` all repositories
> * run a parallel build with rwlock-redis (`mvn compile -T1C
> -Daether.syncContext.named.factory=rwlock-redisson`) on all repositories
> By doing this, I ran into this and the only way out was running a `redis-cli
> flushall`.
>
> The way I ran my parallel build was really dumb and simple, something like
> that :
>
> {code:java}
> cd repo1 ; mvn clean > /tmp/log1 2>&1 & cd ../repo2 ; mvn clean > /tmp/log2
> 2>&1 & cd ../repo3 ; mvn clean > /tmp/log3 2>&1 & cd ../repo4 ; mvn clean >
> /tmp/log4 2>&1 & cd .. ;
> {code}
>
>
> Let me know if you can't reproduce, I might be able to provide you with
> traces logs of the semaphore build as well.
> {code:java}
> [INFO] Redisson 3.15.6
> [INFO] 1 connections initialized for localhost/127.0.0.1:6379
> [INFO] 24 connections initialized for localhost/127.0.0.1:6379
> [TRACE] Created Redisson client with id '42934566-3759-4f73-9fbc-a2d0a8368e1f'
> [DEBUG] Using manager EnhancedLocalRepositoryManager with priority 10.0 for
> /root/.m2/repository
> [INFO] Scanning for projects...
> [TRACE] Need 1 write lock(s) for
> [artifact:com.coveo:coveo-cloud-base-service-pom:40.123.0]
> [TRACE] Acquiring write lock for
> 'artifact:com.coveo:coveo-cloud-base-service-pom:40.123.0'
> [ERROR] Internal error: org.redisson.client.RedisException: ERR Error running
> script (call to f_6306ba3bf1f563b284bed52d305fce615c6664d9): @user_script:1:
> WRONGTYPE Operation against a key holding the wrong kind of value. channel:
> [id: 0x69ea1187, L:/127.0.0.1:60800 - R:localhost/127.0.0.1:6379] command:
> (EVAL), params: [local mode = redis.call('hget', KEYS[1], 'mode'); if (mode
> == false) then redis.call('hset', KEYS[1]..., 1,
> maven:resolver:artifact:com.coveo:coveo-cloud-base-service-pom:40.123.0,
> 30000, 42934566-3759-4f73-9fbc-a2d0a8368e1f:1:write] -> [Help 1]
> org.apache.maven.InternalErrorException: Internal error:
> org.redisson.client.RedisException: ERR Error running script (call to
> f_6306ba3bf1f563b284bed52d305fce615c6664d9): @user_script:1: WRONGTYPE
> Operation against a key holding the wrong kind of value. channel: [id:
> 0x69ea1187, L:/127.0.0.1:60800 - R:localhost/127.0.0.1:6379] command: (EVAL),
> params: [local mode = redis.call('hget', KEYS[1], 'mode'); if (mode == false)
> then redis.call('hset', KEYS[1]..., 1,
> maven:resolver:artifact:com.coveo:coveo-cloud-base-service-pom:40.123.0,
> 30000, 42934566-3759-4f73-9fbc-a2d0a8368e1f:1:write]
> at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:120)
> at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:566)
> at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
> (Launcher.java:282)
> at org.codehaus.plexus.classworlds.launcher.Launcher.launch
> (Launcher.java:225)
> at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
> (Launcher.java:406)
> at org.codehaus.plexus.classworlds.launcher.Launcher.main
> (Launcher.java:347)
> Caused by: org.redisson.client.RedisException: ERR Error running script (call
> to f_6306ba3bf1f563b284bed52d305fce615c6664d9): @user_script:1: WRONGTYPE
> Operation against a key holding the wrong kind of value. channel: [id:
> 0x69ea1187, L:/127.0.0.1:60800 - R:localhost/127.0.0.1:6379] command: (EVAL),
> params: [local mode = redis.call('hget', KEYS[1], 'mode'); if (mode == false)
> then redis.call('hset', KEYS[1]..., 1,
> maven:resolver:artifact:com.coveo:coveo-cloud-base-service-pom:40.123.0,
> 30000, 42934566-3759-4f73-9fbc-a2d0a8368e1f:1:write]
> at org.redisson.client.handler.CommandDecoder.decode
> (CommandDecoder.java:345)
> at org.redisson.client.handler.CommandDecoder.decodeCommandBatch
> (CommandDecoder.java:246)
> at org.redisson.client.handler.CommandDecoder.decodeCommand
> (CommandDecoder.java:188)
> at org.redisson.client.handler.CommandDecoder.decode
> (CommandDecoder.java:116)
> at org.redisson.client.handler.CommandDecoder.decode
> (CommandDecoder.java:101)
> at
> io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection
> (ByteToMessageDecoder.java:507)
> at io.netty.handler.codec.ReplayingDecoder.callDecode
> (ReplayingDecoder.java:366)
> at io.netty.handler.codec.ByteToMessageDecoder.channelRead
> (ByteToMessageDecoder.java:276)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead
> (AbstractChannelHandlerContext.java:379)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead
> (AbstractChannelHandlerContext.java:365)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead
> (AbstractChannelHandlerContext.java:357)
> at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead
> (DefaultChannelPipeline.java:1410)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead
> (AbstractChannelHandlerContext.java:379)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead
> (AbstractChannelHandlerContext.java:365)
> at io.netty.channel.DefaultChannelPipeline.fireChannelRead
> (DefaultChannelPipeline.java:919)
> at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read
> (AbstractNioByteChannel.java:166)
> at io.netty.channel.nio.NioEventLoop.processSelectedKey
> (NioEventLoop.java:719)
> at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized
> (NioEventLoop.java:655)
> at io.netty.channel.nio.NioEventLoop.processSelectedKeys
> (NioEventLoop.java:581)
> at io.netty.channel.nio.NioEventLoop.run (NioEventLoop.java:493)
> at io.netty.util.concurrent.SingleThreadEventExecutor$4.run
> (SingleThreadEventExecutor.java:989)
> at io.netty.util.internal.ThreadExecutorMap$2.run
> (ThreadExecutorMap.java:74)
> at io.netty.util.concurrent.FastThreadLocalRunnable.run
> (FastThreadLocalRunnable.java:30)
> at java.lang.Thread.run (Thread.java:829)
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e
> switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please
> read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/InternalErrorException
> [TRACE] Shutting down Redisson client with id
> '42934566-3759-4f73-9fbc-a2d0a8368e1f'
> {code}
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