Build workspace 的時候，出現如下錯誤。
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Multiple annotations found at this line:
- cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'ha:converter-chain'.
- schema_reference.4: Failed to read schema document 'http://www.hsbc.com/schema/esf-hostadapter/converter-1.0.0/
hostadapter_converter_config.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not
<xsd:schema>.
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之前以爲是網絡問題，將 Network connections 改爲 Native。之後發現還是不行。
Solution: Suspend validation, and then right click the project, select "Validate". then solved.
