com.fasterxml.jackson.core.JsonParseException

我已经使用Swagger代码生成器创建了一个openfeignrest客户机。API接口中的My client方法

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它基本上返回文档。我试图下载的文档是一个txt文件，其内容是一个单词testDocument

Exception in thread "main" feign.FeignException: Unrecognized token 'testDocument': was expecting 'null', 'true', 'false' or NaN
 at [Source: java.io.BufferedReader@1c1bbc4e; line: 1, column: 25] reading GET <MYSERVICE_URL>
    at feign.FeignException.errorReading(FeignException.java:49)
    at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:140)
    at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:76)
    at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103)
    at com.sun.proxy.$Proxy7.getDocumentVersionContent(Unknown Source)
    at test.Main.main(Main.java:51)
Caused by: com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'testDocument': was expecting 'null', 'true', 'false' or NaN
 at [Source: java.io.BufferedReader@1c1bbc4e; line: 1, column: 25]
    at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1586)
    at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:521)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._reportInvalidToken(ReaderBasedJsonParser.java:2754)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._reportInvalidToken(ReaderBasedJsonParser.java:2731)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._matchToken(ReaderBasedJsonParser.java:2538)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._matchTrue(ReaderBasedJsonParser.java:2489)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:676

线程“main”feign.FeignException中的异常：无法识别的标记“testDocument”：应为“null”、“true”、“false”或“NaN” 在[来源：java.io。BufferedReader@1c1bbc4e；行：1，列：25]读取 在feign.FeignException.errorReading（FeignException.java:49） 在feign.SynchronousMethodHandler.executeAndCode（SynchronousMethodHandler.java:140） 调用（SynchronousMethodHandler.java:76） 位于feign.ReflectiveFeign$FeignInvocationHandler.invoke（ReflectiveFeign.java:103） 位于com.sun.proxy.$Proxy7.getDocumentVersionContent（未知源） at test.Main.Main（Main.java:51） 原因：com.fasterxml.jackson.core.JsonParseException:无法识别的标记“testDocument”：应为“null”、“true”、“false”或“NaN” 在[来源：java.io。BufferedReader@1c1bbc4e；行：1，列：25] 位于com.fasterxml.jackson.core.JsonParser.\u constructError（JsonParser.java:1586） 在com.fasterxml.jackson.core.base.ParserMinimalBase.\u reportError（ParserMinimalBase.java:521） 位于com.fasterxml.jackson.core.json.ReaderBasedJsonParser.\u reportInvalidToken（ReaderBasedJsonParser.java:2754） 位于com.fasterxml.jackson.core.json.ReaderBasedJsonParser.\u reportInvalidToken（ReaderBasedJsonParser.java:2731） 位于com.fasterxml.jackson.core.json.ReaderBasedJsonParser.\u matchToken（ReaderBasedJsonParser.java:2538） 位于com.fasterxml.jackson.core.json.ReaderBasedJsonParser.\u matchTrue（ReaderBasedJsonParser.java:2489） 位于com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken（ReaderBasedJsonParser.java:676 注意：我已删除错误跟踪中的URL

Exception in thread "main" feign.FeignException: Unrecognized token 'testDocument': was expecting 'null', 'true', 'false' or NaN
 at [Source: java.io.BufferedReader@1c1bbc4e; line: 1, column: 25] reading GET <MYSERVICE_URL>
    at feign.FeignException.errorReading(FeignException.java:49)
    at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:140)
    at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:76)
    at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103)
    at com.sun.proxy.$Proxy7.getDocumentVersionContent(Unknown Source)
    at test.Main.main(Main.java:51)
Caused by: com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'testDocument': was expecting 'null', 'true', 'false' or NaN
 at [Source: java.io.BufferedReader@1c1bbc4e; line: 1, column: 25]
    at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1586)
    at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:521)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._reportInvalidToken(ReaderBasedJsonParser.java:2754)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._reportInvalidToken(ReaderBasedJsonParser.java:2731)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._matchToken(ReaderBasedJsonParser.java:2538)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._matchTrue(ReaderBasedJsonParser.java:2489)
    at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken(ReaderBasedJsonParser.java:676