[jira] [Created] (FLINK-16582) NettyBufferPoolTest may have warns on NettyBuffer leak

[Shang Yuanchun (Jira)]

Yun Gao created FLINK-16582:
-------------------------------

             Summary: NettyBufferPoolTest may have warns on NettyBuffer leak
                 Key: FLINK-16582
                 URL: https://issues.apache.org/jira/browse/FLINK-16582
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Network, Tests
            Reporter: Yun Gao


{code:java}
4749 [Flink Netty Client (50072) Thread 0] ERROR
org.apache.flink.shaded.netty4.io.netty.util.ResourceLeakDetector [] - LEAK:
ByteBuf.release() was not called before it's garbage-collected. See
https://netty.io/wiki/reference-counted-objects.html for more information.
Recent access records:
Created at:
        org.apache.flink.shaded.netty4.io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:349)
        org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:187)
        org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:178)
        org.apache.flink.shaded.netty4.io.netty.buffer.AbstractByteBufAllocator.buffer(AbstractByteBufAllocator.java:115)
        org.apache.flink.runtime.io.network.netty.NettyBufferPoolTest.testNoHeapAllocations(NettyBufferPoolTest.java:38)
        sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        java.lang.reflect.Method.invoke(Method.java:498)
        org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
        org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
        org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        org.junit.runners.Suite.runChild(Suite.java:128)
        org.junit.runners.Suite.runChild(Suite.java:27)
        org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        org.junit.runner.JUnitCore.run(JUnitCore.java:137)
        com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
        com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
        com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
        com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)


Test ignored.


Process finished with exit code 0
{code}
We should released the allocated buffers in the tests.



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