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https://issues.apache.org/jira/browse/NIFI-3402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16241839#comment-16241839
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ASF GitHub Bot commented on NIFI-3402:
--------------------------------------
Github user MikeThomsen commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2150#discussion_r149336584
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/InvokeHTTP.java
---
@@ -1093,6 +1133,19 @@ private Charset getCharsetFromMediaType(MediaType
contentType) {
return contentType != null ?
contentType.charset(StandardCharsets.UTF_8) : StandardCharsets.UTF_8;
}
+ /**
+ * Retrieve the directory in which OkHttp should cache responses. This
method opts
+ * to use a temp directory to write the cache, which means that the
cache will be written
+ * to a new location each time this processor is scheduled.
+ *
+ * Ref: https://github.com/square/okhttp/wiki/Recipes#response-caching
+ *
+ * @return the directory in which the ETag cache should be written
+ */
+ private static File getETagCacheDir() {
+ return Files.createTempDir();
--- End diff --
@pvillard31 Since there is a configured size limit on the field, it should
stick to a reasonable size since there is a sane default of 10MB. If a user is
foolish enough to set that to 10GB, not our problem.
> Add ETag Support to InvokeHTTP
> ------------------------------
>
> Key: NIFI-3402
> URL: https://issues.apache.org/jira/browse/NIFI-3402
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Brandon DeVries
> Assignee: Michael Hogue
> Priority: Trivial
>
> Unlike GetHTTP, when running in "source" mode InvokeHTTP doesn't support
> ETags. It will pull from a URL as often as it is scheduled to run. When
> running with an input relationship, it would potentially make sense to not
> use the ETag. But at least in "source" mode, it seems like it should at
> least be an option.
> To maintain backwards compatibility and support the non-"source" usage, I'd
> suggest creating a new "Use ETag" property that defaults to false...
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