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https://issues.apache.org/jira/browse/IGNITE-5119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15999468#comment-15999468
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William Do commented on IGNITE-5119:
------------------------------------
The exception is thrown from {{GridAffinityProcessor.partition0}} after null
check on return of {{affinityCache}}.
There is a similar method {{CacheAffinityProxy.cache}} which makes the same
call to {{affinityCache}} but returns a more descriptive message.
{code:java}
private AffinityInfo cache() throws IgniteCheckedException {
AffinityInfo aff = affinityCache(cacheName,
ctx.discovery().topologyVersionEx());
if (aff == null)
throw new IgniteException("Failed to find cache (cache was not started
" +
"yet or cache was already stopped): " + cacheName);
return aff;
}
{code}
I propose re-using the same message for this patch.
> Provide more descriptive errors when calling affinityRun or affinityCall
> ------------------------------------------------------------------------
>
> Key: IGNITE-5119
> URL: https://issues.apache.org/jira/browse/IGNITE-5119
> Project: Ignite
> Issue Type: Improvement
> Affects Versions: 1.9
> Reporter: William Do
> Assignee: William Do
> Priority: Minor
>
> When calling compute affinityRun or affinityCall using a cache name that
> doesn't exist, an exception is thrown with the message: _Failed to get cache
> affinity_.
> {noformat}
> Exception in thread "main" class org.apache.ignite.IgniteException: Failed to
> get cache affinity.
> at
> org.apache.ignite.internal.util.IgniteUtils.convertException(IgniteUtils.java:946)
> at
> org.apache.ignite.internal.IgniteComputeImpl.affinityCall(IgniteComputeImpl.java:201)
> at
> com.ultimaspin.ignite.AffinityRunExample.main(AffinityRunExample.java:28)
> Caused by: class org.apache.ignite.IgniteCheckedException: Failed to get
> cache affinity.
> at
> org.apache.ignite.internal.processors.affinity.GridAffinityProcessor.partition0(GridAffinityProcessor.java:192)
> at
> org.apache.ignite.internal.processors.affinity.GridAffinityProcessor.partition(GridAffinityProcessor.java:175)
> at
> org.apache.ignite.internal.processors.affinity.GridAffinityProcessor.partition(GridAffinityProcessor.java:155)
> at
> org.apache.ignite.internal.IgniteComputeImpl.affinityCall(IgniteComputeImpl.java:191)
> ... 1 more
> {noformat}
> It would be nice if the message could be more descriptive as to why it was
> unable to determine the affinity (in this case because the cache doesn't
> exist).
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