Question

我正在kubernetes集群上的docker中运行maven。在获取依赖项时，它有时会挂起2个小时，在最终成功之前记录了多个connection timeout错误。

[11:34:31] :     [Step 1/2] [INFO] Downloading: http://repo1.maven.org/maven2/com/path/to/internal/artifact-20181129.112650-1.pom
[11:50:15] :     [Step 1/2] Nov 29, 2018 11:50:15 AM org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec execute
[11:50:15] :     [Step 1/2] INFO: I/O exception (java.net.SocketException) caught when processing request to {}->http://repo1.maven.org:80: Connection timed out (Read failed)
[11:50:15] :     [Step 1/2] Nov 29, 2018 11:50:15 AM org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec execute
[11:50:15] :     [Step 1/2] INFO: Retrying request to {}->http://repo1.maven.org:80
[12:05:59] :     [Step 1/2] Nov 29, 2018 12:05:59 PM org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec execute
[12:05:59] :     [Step 1/2] INFO: I/O exception (java.net.SocketException) caught when processing request to {}->http://repo1.maven.org:80: Connection timed out (Read failed)
[12:05:59] :     [Step 1/2] Nov 29, 2018 12:05:59 PM org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec execute
[12:05:59] :     [Step 1/2] INFO: Retrying request to {}->http://repo1.maven.org:80
[12:21:44] :     [Step 1/2] Nov 29, 2018 12:21:44 PM org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec execute
[12:21:44] :     [Step 1/2] INFO: I/O exception (java.net.SocketException) caught when processing request to {}->http://repo1.maven.org:80: Connection timed out (Read failed)
[12:21:44] :     [Step 1/2] Nov 29, 2018 12:21:44 PM org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec execute
[12:21:44] :     [Step 1/2] INFO: Retrying request to {}->http://repo1.maven.org:80
[12:37:28] :     [Step 1/2] [INFO] Downloading: http://nexus/nexus/content/repositories/thirdparty/com/path/to/internal/artifact-20181129.112650-1.pom

这仅发生在内部依赖项上，该内部依赖项应立即回退到我们的内部nexus Maven存储库，该存储库也位于kubernetes集群中。

在这种挂起期间的tcpdump仅显示重新传输，而没有来自中央存储库的响应。除此之外，捕获中充满了ARP查询，直到最后，回退发生并查询我们的内部Nexus服务器。

wireshark screenshot

这是我pom.xml的相关部分：

<repositories>
<repository>
    <id>central</id>
    <name>Maven Repository Switchboard</name>
    <layout>default</layout>
    <url>http://repo1.maven.org/maven2</url>
    <snapshots>
        <enabled>true</enabled>
    </snapshots>
</repository>
<repository>
    <id>thirdparty</id>
    <name>internal third party repo</name>
    <url>${nexusUrl}/repositories/thirdparty</url>
</repository>
<repository>
    <id>releases</id>
    <name>internal releases repo</name>
    <url>${nexusUrl}/repositories/releases</url>
</repository>
<repository>
    <id>snapshots</id>
    <name>internal snapshots repo</name>
    <url>${nexusUrl}/repositories/snapshots</url>
</repository>
<repository>
    <releases>
        <enabled>true</enabled>
        <updatePolicy>always</updatePolicy>
        <checksumPolicy>fail</checksumPolicy>
    </releases>
    <id>license4j-runtime-library</id>
    <name>License4J Runtime Library Maven Repository</name>
    <url>https://www.license4j.com/maven/</url>
    <layout>default</layout>
</repository>

这是我的settings.xml：

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                      http://maven.apache.org/xsd/settings-1.0.0.xsd">
<localRepository/>
<interactiveMode/>
<usePluginRegistry/>
<offline/>
<pluginGroups/>
<servers>
    <server>
        <id>releases</id>
        <username>XXX</username>
        <password>YYY</password>
    </server>
    <server>
        <id>snapshots</id>
        <username>XXX</username>
        <password>YYY</password>
    </server>
</servers>
<mirrors/>
<proxies/>
<profiles/>
<activeProfiles/>

这种情况每隔一段时间发生一次，但我找不到根本原因。我希望有人在某个地方遇到过这个问题。

kubernetes内部的Maven从中央存储库获取“连接超时”

0 个答案: