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NoClassDefFoundError on Android platform #8654

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mrniko opened this issue Dec 13, 2018 · 1 comment
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NoClassDefFoundError on Android platform #8654

mrniko opened this issue Dec 13, 2018 · 1 comment
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@normanmaurer
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android defect
Milestone
4.1.33.Final

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@mrniko
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mrniko commented Dec 13, 2018 •
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Expected behavior

No exception

Actual behavior

Exception arise during invocation DnsServerAddressStreamProviders.platformDefault method in Android application:

java.lang.NoClassDefFoundError: Failed resolution of: Ljavax/naming/directory/InitialDirContext;
        at io.netty.resolver.dns.DefaultDnsServerAddressStreamProvider.<clinit>(DefaultDnsServerAddressStreamProvider.java:68)
        at io.netty.resolver.dns.UnixResolverDnsServerAddressStreamProvider.parseSilently(UnixResolverDnsServerAddressStreamProvider.java:76)
        at io.netty.resolver.dns.DnsServerAddressStreamProviders.<clinit>(DnsServerAddressStreamProviders.java:32)
        at io.netty.resolver.dns.DnsServerAddressStreamProviders.platformDefault(DnsServerAddressStreamProviders.java:45)

Steps to reproduce

execute DnsServerAddressStreamProviders.platformDefault method

Netty version

4.1.31.Final
@normanmaurer normanmaurer added this to the 4.1.33.Final milestone Dec 13, 2018
normanmaurer added a commit that referenced this issue Dec 13, 2018
@normanmaurer
NoClassDefFoundError on Android platform when try to use DefaultDnsSe…
0d5e27d 
…rverAddressStreamProvider.

Motivation:

Andoid does not contain javax.naming.* so we should not try to use it to prevent a NoClassDefFoundError on init.

Modifications:

Only try to use javax.naming.* to retrieve nameservers when not using Android.

Result:

Fixes #8654.
@normanmaurer normanmaurer self-assigned this Dec 13, 2018
@normanmaurer normanmaurer mentioned this issue Dec 13, 2018
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@normanmaurer
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@mrniko thanks for reporting... should be fixed by #8656

normanmaurer added a commit that referenced this issue Dec 14, 2018
@normanmaurer
NoClassDefFoundError on Android platform when try to use DefaultDnsSe…
a3844da 
…rverAddressStreamProvider. (#8656)

Motivation:

Andoid does not contain javax.naming.* so we should not try to use it to prevent a NoClassDefFoundError on init.

Modifications:

Only try to use javax.naming.* to retrieve nameservers when not using Android.

Result:

Fixes #8654.
normanmaurer added a commit that referenced this issue Dec 14, 2018
@normanmaurer
NoClassDefFoundError on Android platform when try to use DefaultDnsSe…
0efc47b 
…rverAddressStreamProvider. (#8656)

Motivation:

Andoid does not contain javax.naming.* so we should not try to use it to prevent a NoClassDefFoundError on init.

Modifications:

Only try to use javax.naming.* to retrieve nameservers when not using Android.

Result:

Fixes #8654.
@marc0olo marc0olo mentioned this issue Jan 5, 2020
Closed
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@normanmaurer @mrniko