https://github.com/phiz71/debugdnsclient

Reproducer for an issue encountered while using Vert.X DnsClient
https://github.com/phiz71/debugdnsclient

Last synced: 17 days ago
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Reproducer for an issue encountered while using Vert.X DnsClient

• Host: GitHub
• URL: https://github.com/phiz71/debugdnsclient
• Owner: phiz71
• Created: 2023-12-15T09:31:04.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2024-06-04T18:39:42.000Z (7 months ago)
• Last Synced: 2024-11-01T04:42:45.472Z (2 months ago)
• Language: Java
• Size: 3.91 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# DebugDnsClient

A simple project to reproduce an issue encountered while using the Vert.X DNS client.

I'm using a public DNS server (taken from this website: https://public-dns.info/nameserver/fr.html)

When I try to use `lookup`, or`lookup4` or even `lookup6` to "google.com", I get the following error:

```

io.vertx.core.VertxException: DNS query timeout for google.com.

	at io.vertx.core.dns.impl.DnsClientImpl$Query.lambda$null$0(DnsClientImpl.java:363)

	at io.vertx.core.impl.ContextInternal.dispatch(ContextInternal.java:276)

	at io.vertx.core.impl.ContextInternal.dispatch(ContextInternal.java:258)

	at io.vertx.core.impl.ContextInternal.lambda$runOnContext$0(ContextInternal.java:56)

	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:173)

	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:166)

	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)

	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)

	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)

	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)

	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)

	at java.base/java.lang.Thread.run(Thread.java:833)

```

If I'm using 8.8.8.8 as DNS server, it works fine with `lookup` but not with `lookup4` or `lookup6`.

Setting Recursion Desired to true or false doesn't change anything.

Updated