[
https://issues.apache.org/jira/browse/RATIS-2184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17899124#comment-17899124
]
JiangHua Zhu commented on RATIS-2184:
-------------------------------------
Sorry, the above exception may not be complete.
[~szetszwo], I uploaded 2 files containing some test logs.
[org.apache.ratis.grpc.TestRaftWithGrpc-output_01.txt|https://issues.apache.org/jira/secure/attachment/13072901/org.apache.ratis.grpc.TestRaftWithGrpc-output_01.txt]
[org.apache.ratis.grpc.TestRaftWithGrpc-output_02.txt|https://issues.apache.org/jira/secure/attachment/13072902/org.apache.ratis.grpc.TestRaftWithGrpc-output_02.txt]
Here are some key logs:
{code:java}
2024-11-15 14:51:10,673 [main] WARN impl.MiniRaftCluster
(MiniRaftCluster.java:shutdown(882)) - shutdown interrupted
java.lang.InterruptedException
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2067)
at
java.util.concurrent.ThreadPoolExecutor.awaitTermination(ThreadPoolExecutor.java:1475)
at
org.apache.ratis.server.impl.MiniRaftCluster.shutdown(MiniRaftCluster.java:871)
at
org.apache.ratis.grpc.MiniRaftClusterWithGrpc.shutdown(MiniRaftClusterWithGrpc.java:97)
at
org.apache.ratis.server.impl.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:154)
at
org.apache.ratis.server.impl.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:121)
at org.apache.ratis.RaftBasicTests.testWithLoad(RaftBasicTests.java:338)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:766)
at
org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
at
org.junit.jupiter.engine.extension.SameThreadTimeoutInvocation.proceed(SameThreadTimeoutInvocation.java:45)
at
org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:156)
at
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:147)
at
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:86)
at
org.junit.jupiter.engine.execution.InterceptingExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(InterceptingExecutableInvoker.java:103)
at
org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.lambda$invoke$0(InterceptingExecutableInvoker.java:93)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
at
org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:92)
at
org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:86)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$8(TestMethodTestDescriptor.java:217)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:213)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:138)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:68)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:156)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:146)
at
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
{code}
{code:java}
2024-11-15 14:51:11,099 [main] WARN impl.MiniRaftCluster
(MiniRaftCluster.java:shutdown(894)) - gc interrupted.
java.lang.InterruptedException: sleep interrupted
at java.lang.Thread.sleep(Native Method)
at org.apache.ratis.RaftTestUtil.gc(RaftTestUtil.java:598)
at
org.apache.ratis.server.impl.MiniRaftCluster.shutdown(MiniRaftCluster.java:892)
at
org.apache.ratis.grpc.MiniRaftClusterWithGrpc.shutdown(MiniRaftClusterWithGrpc.java:97)
at
org.apache.ratis.server.impl.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:154)
at
org.apache.ratis.server.impl.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:121)
at org.apache.ratis.RaftBasicTests.testWithLoad(RaftBasicTests.java:338)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:766)
at
org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
at
org.junit.jupiter.engine.extension.SameThreadTimeoutInvocation.proceed(SameThreadTimeoutInvocation.java:45)
at
org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:156)
at
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:147)
at
org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:86)
at
org.junit.jupiter.engine.execution.InterceptingExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(InterceptingExecutableInvoker.java:103)
at
org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.lambda$invoke$0(InterceptingExecutableInvoker.java:93)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
at
org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
at
org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:92)
at
org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:86)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$8(TestMethodTestDescriptor.java:217)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:213)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:138)
at
org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:68)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:156)
at
org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at
org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:146)
at
org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
{code}
{code:java}
2024-11-15 14:51:11,101 [MiniRaftCluster-5] INFO server.GrpcServicesImpl
(GrpcServicesImpl.java:closeImpl(362)) - s2: shutdown server
org.apache.ratis.grpc.server.GrpcClientProtocolService now
2024-11-15 14:51:11,101 [s3-impl-thread2] INFO server.RaftServer$Division
(RaftServerImpl.java:lambda$close$1(514)) - s3@group-0420FF2208DE: shutdown
2024-11-15 14:51:11,104 [s3-impl-thread2] INFO util.JmxRegister
(JmxRegister.java:unregister(74)) - Successfully un-registered JMX Bean with
object name Ratis:service=RaftServer,group=group-0420FF2208DE,id=s3
2024-11-15 14:51:11,104 [s3-impl-thread2] INFO impl.RoleInfo
(RoleInfo.java:shutdownFollowerState(121)) - s3: shutdown
s3@group-0420FF2208DE-FollowerState
2024-11-15 14:51:11,104 [s3-impl-thread2] INFO server.RaftServer$Division
(ServerState.java:close(423)) - stateMachineUpdater stopping------
2024-11-15 14:51:11,104 [s3-impl-thread2] INFO impl.StateMachineUpdater
(StateMachineUpdater.java:stopAndJoin(164)) -
s3@group-0420FF2208DE-StateMachineUpdater: set stopIndex = 4878
2024-11-15 14:51:11,101 [MiniRaftCluster-1] INFO server.GrpcServicesImpl
(GrpcServicesImpl.java:closeImpl(362)) - s3: shutdown server
org.apache.ratis.grpc.server.GrpcClientProtocolService now
2024-11-15 14:51:11,101 [s0-impl-thread2] INFO server.RaftServer$Division
(RaftServerImpl.java:lambda$close$1(514)) - s0@group-0420FF2208DE: shutdown
2024-11-15 14:51:11,101 [MiniRaftCluster-3] INFO server.GrpcServicesImpl
(GrpcServicesImpl.java:closeImpl(362)) - s0: shutdown server
org.apache.ratis.grpc.server.GrpcClientProtocolService now
{code}
{code:java}
2024-11-15 14:51:11,129 [Thread-1540] INFO server.GrpcServerProtocolClient
(GrpcServerProtocolClient.java:close(105)) - s4 Close channels
2024-11-15 14:51:11,128 [Thread-1532] INFO server.GrpcServerProtocolClient
(GrpcServerProtocolClient.java:close(105)) - s0 Close channels
2024-11-15 14:51:11,126 [s0-impl-thread2] INFO server.RaftServer$Division
(ServerState.java:close(425)) - stateMachineUpdater stopped------
2024-11-15 14:51:11,129 [s0-impl-thread2] INFO server.RaftServer$Division
(ServerState.java:close(436)) - raftLog stopping------
2024-11-15 14:51:11,130 [s0-impl-thread2] INFO raftlog.RaftLog
(SegmentedRaftLog.java:close(568)) - Start closing
s0@group-0420FF2208DE-SegmentedRaftLog:OPENED:c4878:last(t:51, i:4878)
2024-11-15 14:51:11,130 [Thread-1541] INFO server.GrpcServerProtocolClient
(GrpcServerProtocolClient.java:close(105)) - s0 Close channels
{code}
Here are some important information:
When MiniRaftCluster#shutdown() runs, the shutdown of RaftServerProxy is not
accurate, and after RaftServerImpl is shut down, stateMachineUpdater and
RoleInfo and SegmentedRaftLog will lag behind. This means that the order of
shutting down these resources cannot be accurately guaranteed.
I think it is important to ensure that these resources are shut down correctly.
> Improve TestRaftWithGrpc test stability
> ---------------------------------------
>
> Key: RATIS-2184
> URL: https://issues.apache.org/jira/browse/RATIS-2184
> Project: Ratis
> Issue Type: Sub-task
> Affects Versions: 3.0.1
> Reporter: JiangHua Zhu
> Assignee: JiangHua Zhu
> Priority: Major
> Attachments: image-2024-11-07-15-05-25-681.png,
> org.apache.ratis.grpc.TestRaftWithGrpc-output_01.txt,
> org.apache.ratis.grpc.TestRaftWithGrpc-output_02.txt, screenshot-1.png
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> When running TestRaftWithGrpc, it seems to have poor stability.
> https://github.com/apache/ratis/actions/runs/11591023635/job/32294387846
> The log of the failed run:
> {code:java}
> Error: org.apache.ratis.grpc.TestRaftWithGrpc.testWithLoad(Boolean)[2] Time
> elapsed: 87.315 s <<< ERROR!
> java.lang.IllegalStateException: #leaks = 4 > 0, #leaks == set.size = 4
> at org.apache.ratis.util.Preconditions.assertTrue(Preconditions.java:77)
> at
> org.apache.ratis.util.LeakDetector$LeakTrackerSet.assertNoLeaks(LeakDetector.java:100)
> at
> org.apache.ratis.util.LeakDetector$LeakTrackerSet.getNumLeaks(LeakDetector.java:94)
> at
> org.apache.ratis.util.LeakDetector.assertNoLeaks(LeakDetector.java:174)
> at
> org.apache.ratis.server.impl.MiniRaftCluster.shutdown(MiniRaftCluster.java:894)
> at
> org.apache.ratis.grpc.MiniRaftClusterWithGrpc.shutdown(MiniRaftClusterWithGrpc.java:97)
> at
> org.apache.ratis.server.impl.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:152)
> at
> org.apache.ratis.server.impl.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:121)
> at org.apache.ratis.RaftBasicTests.testWithLoad(RaftBasicTests.java:338)
> at
> org.apache.ratis.grpc.TestRaftWithGrpc.testWithLoad(TestRaftWithGrpc.java:61)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
> at
> java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:647)
> at
> java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:272)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at
> java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:272)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at
> java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:272)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at
> java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:272)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at java.util.ArrayList.forEach(ArrayList.java:1259)
> at java.util.ArrayList.forEach(ArrayList.java:1259)
> {code}
> {code:java}
> Error: org.apache.ratis.grpc.TestRaftWithGrpc.testRequestTimeout(Boolean)[1]
> Time elapsed: 38.266 s <<< ERROR!
> java.lang.IllegalStateException: #leaks = 4 > 0, #leaks == set.size = 4
> at org.apache.ratis.util.Preconditions.assertTrue(Preconditions.java:77)
> at
> org.apache.ratis.util.LeakDetector$LeakTrackerSet.assertNoLeaks(LeakDetector.java:100)
> at
> org.apache.ratis.util.LeakDetector$LeakTrackerSet.getNumLeaks(LeakDetector.java:94)
> at
> org.apache.ratis.util.LeakDetector.assertNoLeaks(LeakDetector.java:174)
> at
> org.apache.ratis.server.impl.MiniRaftCluster.shutdown(MiniRaftCluster.java:894)
> at
> org.apache.ratis.grpc.MiniRaftClusterWithGrpc.shutdown(MiniRaftClusterWithGrpc.java:97)
> at
> org.apache.ratis.server.impl.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:152)
> at
> org.apache.ratis.server.impl.MiniRaftCluster$Factory$Get.runWithNewCluster(MiniRaftCluster.java:121)
> at
> org.apache.ratis.grpc.TestRaftWithGrpc.testRequestTimeout(TestRaftWithGrpc.java:69)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
> at
> java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:647)
> at
> java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:272)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at
> java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:272)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at
> java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:272)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at
> java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:272)
> at
> java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1384)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> at
> java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at
> java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
> at java.util.ArrayList.forEach(ArrayList.java:1259)
> at java.util.ArrayList.forEach(ArrayList.java:1259)
> {code}
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