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在项目中做微服务之间调用的时候，测试的时候报这个错。百思不得姐。度娘沉默了不说话。。。

feign.FeignException$InternalServerError: status 500 reading SpecificationClient#queryParams(Long,Long,Boolean,Boolean)	at feign.FeignException.errorStatus(FeignException.java:114)	at feign.FeignException.errorStatus(FeignException.java:86)	at feign.codec.ErrorDecoder$Default.decode(ErrorDecoder.java:93)	at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:149)	at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:78)	at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103)	at com.sun.proxy.$Proxy95.queryParams(Unknown Source)	at com.leyou.search.SearchService.buildGoods(SearchService.java:72)	at com.leyou.elasticsearch.test.ElasticsearchTest.lambda$test$0(ElasticsearchTest.java:52)	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374)	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)	at com.leyou.elasticsearch.test.ElasticsearchTest.test(ElasticsearchTest.java:57)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)	at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)	at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)

后来我猛然想起，实体类中的字段是q,数据库表中的字段是g.所以查询不到值。

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