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load-balancing's Issues

onode3下编译CorfuDB出错

在编译corfudb中protoc-jar-maven-plugin:3.7.0.1:run (default)时，出现如下错误：

 maven-metadata.xml:6:3: The element type "hr" must be terminated by the matching end-tag "</hr>".

查看该文件(/tmp/protocjar.webcache/com/google/protobuf/protoc/maven-metadata.xml)，内容如下：

<html>
<head><title>301 Moved Permanently</title></head>
<body bgcolor="white">
<center><h1>301 Moved Permanently</h1></center>
<hr><center>nginx</center>
</body>
</html>

显示文件已永久转移。按他提示的加上仍然有错。

文件内容正常应如下：

<?xml version="1.0" encoding="UTF-8"?>
<metadata modelVersion="1.1.0">
  <groupId>com.google.protobuf</groupId>
  <artifactId>protoc</artifactId>
  <versioning>
    <latest>3.11.0-rc-2</latest>
    <release>3.11.0-rc-2</release>
    <versions>
      <version>2.5.0</version>
      <version>2.6.1</version>
      <version>2.6.1-build2</version>
      <version>3.0.0-alpha-2</version>
      <version>3.0.0-alpha-3</version>
      <version>3.0.0-alpha-3.1</version>
      <version>3.0.0-beta-1</version>
      <version>3.0.0-beta-2</version>
      <version>3.0.0-beta-3</version>
      <version>3.0.0-beta-4</version>
      <version>3.0.0</version>
      <version>3.0.2</version>
      <version>3.1.0</version>
      <version>3.1.0-build2</version>
      <version>3.2.0-rc.1</version>
      <version>3.2.0rc2</version>
      <version>3.2.0</version>
      <version>3.3.0</version>
      <version>3.4.0</version>
      <version>3.5.0</version>
      <version>3.5.1</version>
      <version>3.5.1-1</version>
      <version>3.6.0</version>
      <version>3.6.1</version>
      <version>3.7.0-rc1</version>
      <version>3.7.0-rc-2</version>
      <version>3.7.0-rc-3</version>
      <version>3.7.0</version>
      <version>3.7.1</version>
      <version>3.8.0-rc-1</version>
      <version>3.8.0</version>
      <version>3.9.0-rc-1</version>
      <version>3.9.0</version>
      <version>3.9.1</version>
      <version>3.9.2</version>
      <version>3.10.0-rc-1</version>
      <version>3.10.0</version>
      <version>3.10.1</version>
      <version>3.11.0-rc-1</version>
      <version>3.11.0-rc-2</version>
    </versions>
    <lastUpdated>20191122211810</lastUpdated>
  </versioning>
</metadata>

在使用junit、aliyun等镜像时，均出现上述错误，将所有镜像注释掉之后，使用官方镜像，错误消失。

PS：使用镜像时，虽然命令行下载内容不正常，但是用浏览器输入命令行显示的url，下载到的文件内容却是正常的（并没有发生转发），不知道为什么。

testDataStoreEviction failed when building 

[ERROR] testDataStoreEviction  Time elapsed: 121.035 s  <<< ERROR!
java.util.concurrent.CompletionException: java.util.concurrent.TimeoutException
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292)
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308)
	at java.util.concurrent.CompletableFuture.orApply(CompletableFuture.java:1371)
	at java.util.concurrent.CompletableFuture$OrApply.tryFire(CompletableFuture.java:1350)
	at java.util.concurrent.CompletableFuture$CoCompletion.tryFire(CompletableFuture.java:1020)
	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
	at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
	at org.corfudb.util.CFUtils.lambda$failAfter$0(CFUtils.java:113)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.util.concurrent.TimeoutException
	at org.corfudb.util.CFUtils.<clinit>(CFUtils.java:31)
	at org.corfudb.AbstractCorfuTest$1$1.evaluate(AbstractCorfuTest.java:119)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	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$2.evaluate(ParentRunner.java:268)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
	at org.junit.vintage.engine.execution.RunnerExecutor.execute(RunnerExecutor.java:40)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at org.junit.vintage.engine.VintageTestEngine.executeAllChildren(VintageTestEngine.java:80)
	at org.junit.vintage.engine.VintageTestEngine.execute(VintageTestEngine.java:71)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:220)
	at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$6(DefaultLauncher.java:188)
	at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:202)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:181)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:128)
	at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invokeAllTests(JUnitPlatformProvider.java:142)
	at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invoke(JUnitPlatformProvider.java:109)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)

This bug may appear on Ubuntu 16.04LTS.
It can be ignored by using mvn clean install -DskipTests command.

Can not resolve dependencies for a program using CorfuDB

In the last section of the CorfuDB tutorial, it goes:

<dependency>
    <groupId>org.corfudb</groupId>
    <artifactId>runtime</artifactId>
    <version>0.1-SNAPSHOT</version>
    <scope>compile</scope>
</dependency>

Directly using this setup incurs an error when launching the app,
causing the server unable to deserialize the corfumsg, such as follows:

io.netty.handler.codec.DecoderException: java.lang.RuntimeException: Attempt to deserialize a message which is not a CorfuMsg, Marker = 0 but expected 0xC0FC0FC0

According to a PR of this issue #2119 , the version should be changed to 0.3.0-SNAPSHOT. However, this solution incurs a new error.

Could not transfer artifact io.netty:netty-tcnative:jar:${os.detected.classifier}:2.0.25.Final from/to corfu-mvn-repo (https://raw.github.com/CorfuDB/Corfu-Repos/mvn-repo/): raw.github.com: Unknown host raw.github.com

After using proxies, the new error still occurs.

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