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https://issues.apache.org/jira/browse/STREAMPIPES-261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17241028#comment-17241028
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Philipp Zehnder commented on STREAMPIPES-261:
---------------------------------------------
I created a branch STREAMPIPES-261 in the extensions project. It contains my
implementation that triggers the error.
To reproduce use the *Merge Two Streams* processor. The error occurs when
resolving the runtime options
> Error when using RuntimeResolvableStaticProperty in an alternative
> ------------------------------------------------------------------
>
> Key: STREAMPIPES-261
> URL: https://issues.apache.org/jira/browse/STREAMPIPES-261
> Project: StreamPipes
> Issue Type: Bug
> Components: Backend, Pipeline Elements, UI
> Reporter: Philipp Zehnder
> Priority: Major
>
> When adding the this code to the declareModel:
> Alternatives.from(Labels.withId(ENABLE_GROUPING),
> StaticProperties.group(Labels.withId(GROUP_CONFIG),
>
> StaticProperties.singleValueSelectionFromContainer(Labels.withId(GROUP_ID_STREAM_1)),
>
> StaticProperties.singleValueSelectionFromContainer(Labels.withId(GROUP_ID_STREAM_2)))))
>
> the following error occurs when the UI tries to resolve the options:
> Caused by: org.apache.http.ProtocolException: Target host is not
> specifiedCaused by: org.apache.http.ProtocolException: Target host is not
> specified at
> org.apache.http.impl.conn.DefaultRoutePlanner.determineRoute(DefaultRoutePlanner.java:71)
> at
> org.apache.http.impl.client.InternalHttpClient.determineRoute(InternalHttpClient.java:125)
> at
> org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
> ... 80 moreorg.apache.http.client.ClientProtocolException at
> org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:187)
>
> It seems that the variable this.pipelineElement in BaseRuntimeResolvableInput
> in the ui is not initialized correctly.
> All values of of the REST request in fetchRemoteOptionsForPipelineElement are
> undefined.
>
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