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Java 原因:com.jayway.jsonpath.PathNotFoundException错误_Java_Json_Spring Boot_Jsonpath_Mockmvc - Fatal编程技术网

Java 原因:com.jayway.jsonpath.PathNotFoundException错误

Java 原因:com.jayway.jsonpath.PathNotFoundException错误,java,json,spring-boot,jsonpath,mockmvc,Java,Json,Spring Boot,Jsonpath,Mockmvc,我正在为我的控制器编写测试用例。并且,我使用.andExpect方法来匹配jsonpath表达式。下面是我的代码: @测试 public void getALLEmails()引发异常{ 电子邮件=新电子邮件(); 电子邮件:setTicketID(“123”); List Email=Collections.singletonList(new Email()); assertThat(this.emailService).isNotNull(); 给定(emailService.getEmai

我正在为我的控制器编写测试用例。并且,我使用.andExpect方法来匹配jsonpath表达式。下面是我的代码:

@测试
public void getALLEmails()引发异常{
电子邮件=新电子邮件();
电子邮件:setTicketID(“123”);
List Email=Collections.singletonList(new Email());
assertThat(this.emailService).isNotNull();
给定(emailService.getEmails())。将返回(电子邮件);
mockMvc.perform(获取(“/emails”))
.andExpect(状态().isOk())
.andExpect(content().contentType(“application/json;charset=UTF-8”))
.andExpect(jsonPath(“$”,hasSize(1)))
.andExpect(jsonPath($.ticketID),是(“123”);
}
然而,我得到以下错误

错误:java.lang.AssertionError:JSON路径“$.ticketID”处没有值 位于org.springframework.test.util.JsonPathExpectationsHelper.evaluateJsonPath(JsonPathExpectationsHelper.java:295) 位于org.springframework.test.util.JsonPathExpectationsHelper.assertValue(JsonPathExpectationsHelper.java:72) 位于org.springframework.test.web.servlet.result.JsonPathResultMatchers.lambda$value$0(JsonPathResultMatchers.java:87) 位于org.springframework.test.web.servlet.MockMvc$1.andExpect(MockMvc.java:195) 在com.example.rstsdemo.controller.EmailControllerTest.getALLEmails上(EmailControllerTest.java:67) 位于java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(本机方法) 位于java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 位于java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 位于java.base/java.lang.reflect.Method.invoke(Method.java:566) 位于org.junit.runners.model.FrameworkMethod$1.runReflectVeCall(FrameworkMethod.java:50) 位于org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) 位于org.junit.runners.model.FrameworkMethod.invokeeexplosive(FrameworkMethod.java:47) 位于org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) 位于org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74) 位于org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84) 位于org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) 位于org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75) 位于org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86) 位于org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84) 位于org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) 位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251) 位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) 位于org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) 位于org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) 位于org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) 访问org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) 位于org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) 位于org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) 位于org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) 位于org.junit.runners.ParentRunner.run(ParentRunner.java:363) 位于org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) 位于org.junit.runner.JUnitCore.run(JUnitCore.java:137) 位于com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) 位于com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) 位于com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) 位于com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) 原因:com.jayway.jsonpath.PathNotFoundException:应在路径$中找到属性为['ticketID']的对象,但找到了'net.minidev.json.JSONArray'。根据JsonProvider的说法,这不是json对象:“com.jayway.jsonpath.spi.json.JsonSmartJsonProvider”

请帮我找到解决办法。我相信我使用的是正确的java表达式

我已经尝试过使用不同的jsonpath表达式,例如:
[0]。ticketID,$[0]。ticketID和其他。谢谢

因此,问题是电子邮件被保存在
return“[Email:{“+”,ticketID='“+ticketID+'\'+”\n“+”,date='“+date+'\'+'\''+'\n“+”,senderName='“+senderName+'\'+'\n“+”,senderAddress='“+senderAddress+'\'+'+'+'\n+',subject='”+subject+'\''+'\n'+',recipients='+recipients+'\''+'\n'+',body='+body+'\''''+'\n'+'}]
因此,我无法通过$[0]检索它。TicketID。它在删除“[电子邮件:””后工作。