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https://issues.apache.org/jira/browse/KAFKA-6291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16355107#comment-16355107
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Ivan Smurygin edited comment on KAFKA-6291 at 2/7/18 8:13 AM:
--------------------------------------------------------------
Here is another workaround
[https://github.com/hazelcast/hazelcast-jet/blob/master/hazelcast-jet-kafka/src/test/java/com/hazelcast/jet/impl/connector/kafka/KafkaTestSupport.java]
But sill the problem with Gb of unreleased memory persists
was (Author: smuryginim):
Here is another workaround
https://github.com/hazelcast/hazelcast-jet/blob/master/hazelcast-jet-kafka/src/test/java/com/hazelcast/jet/impl/connector/kafka/KafkaTestSupport.java
> Cannot close EmbeddedZookeeper on Windows
> -----------------------------------------
>
> Key: KAFKA-6291
> URL: https://issues.apache.org/jira/browse/KAFKA-6291
> Project: Kafka
> Issue Type: Bug
> Components: zkclient
> Affects Versions: 0.11.0.0, 1.0.0
> Environment: Windows 10 (doesn't reproduce on Linux)
> JDK 8
> Reporter: Viliam Durina
> Priority: Major
>
> We created {{EmbeddedZookeeper}} and {{ZkClient}} for various tests using
> this code:
> {code:java}
> EmbeddedZookeeper zkServer = new EmbeddedZookeeper();
> ZkClient zkClient = new ZkClient("127.0.0.1:" + zkServer.port(),
> 30000, 30000, ZKStringSerializer$.MODULE$);
> zkClient.close();
> zkServer.shutdown();
> {code}
> This works fine on Linux, but on Windows, the {{zkServer.shutdown()}} call
> fails with this exception:
> {code}
> [Thread-1] ERROR org.apache.kafka.test.TestUtils - Error deleting
> C:\Users\vilo\AppData\Local\Temp\kafka-5521621147877426083
> java.nio.file.FileSystemException:
> C:\Users\vilo\AppData\Local\Temp\kafka-5521621147877426083\version-2\log.1:
> The process cannot access the file because it is being used by another
> process.
> at
> sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:86)
> at
> sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:97)
> at
> sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:102)
> at
> sun.nio.fs.WindowsFileSystemProvider.implDelete(WindowsFileSystemProvider.java:269)
> at
> sun.nio.fs.AbstractFileSystemProvider.delete(AbstractFileSystemProvider.java:103)
> at java.nio.file.Files.delete(Files.java:1126)
> at org.apache.kafka.common.utils.Utils$1.visitFile(Utils.java:630)
> at org.apache.kafka.common.utils.Utils$1.visitFile(Utils.java:619)
> at java.nio.file.Files.walkFileTree(Files.java:2670)
> at java.nio.file.Files.walkFileTree(Files.java:2742)
> at org.apache.kafka.common.utils.Utils.delete(Utils.java:619)
> at org.apache.kafka.test.TestUtils$1.run(TestUtils.java:184)
> java.nio.file.FileSystemException:
> C:\Users\vilo\AppData\Local\Temp\kafka-5521621147877426083\version-2\log.1:
> The process cannot access the file because it is being used by another
> process.
> at
> sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:86)
> at
> sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:97)
> at
> sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:102)
> at
> sun.nio.fs.WindowsFileSystemProvider.implDelete(WindowsFileSystemProvider.java:269)
> at
> sun.nio.fs.AbstractFileSystemProvider.delete(AbstractFileSystemProvider.java:103)
> at java.nio.file.Files.delete(Files.java:1126)
> at org.apache.kafka.common.utils.Utils$1.visitFile(Utils.java:630)
> at org.apache.kafka.common.utils.Utils$1.visitFile(Utils.java:619)
> at java.nio.file.Files.walkFileTree(Files.java:2670)
> at java.nio.file.Files.walkFileTree(Files.java:2742)
> at org.apache.kafka.common.utils.Utils.delete(Utils.java:619)
> at kafka.zk.EmbeddedZookeeper.shutdown(EmbeddedZookeeper.scala:53)
> at com.hazelcast.jet.KafkaTest.test(KafkaTest.java:32)
> 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.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> at
> com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
> at
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
> at
> com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
> {code}
> My workaround is to comment out the {{zkServer.shutdown()}} call, however
> this leaves GBs of files in temp directory.
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