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[BACKPORT 4.1.x] Fix a couple TR NullPointerExceptions when no caches are available #4765#4780

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rawlinp merged 1 commit intoapache:4.1.xfrom
rawlinp:bp-tr-npe
Jun 10, 2020
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[BACKPORT 4.1.x] Fix a couple TR NullPointerExceptions when no caches are available #4765#4780
rawlinp merged 1 commit intoapache:4.1.xfrom
rawlinp:bp-tr-npe

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@rawlinp rawlinp commented Jun 10, 2020

Backport #4765 to 4.1.x

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Remove InetAddress.getByName usage since it makes DNS requests (apach…
9e1b734 
…e#4765)

Remove some getAddress toString usage since it does dns lookups

Check if caches is null

Use .equals instead of ==, fix another NPE

Undo ZoneManager NPE fix (SERVFAIL probably better than REFUSED)

(cherry picked from commit c8db585)
@rawlinp rawlinp added bug something isn't working as intended backport an upstream change merged into an older release Traffic Router related to Traffic Router labels Jun 10, 2020
@rawlinp rawlinp merged commit 4408a9c into apache:4.1.x Jun 10, 2020
@rawlinp rawlinp deleted the bp-tr-npe branch June 10, 2020 22:22
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backport an upstream change merged into an older release bug something isn't working as intended Traffic Router related to Traffic Router

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