我有以下Java对象。
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(
name = "ApprovalRequest",
propOrder = {"requiredConclusionTime", "approvalType", "businessRequest", "supportingInfo", "messageToEvaluator", "organisation", "resubmissionOf", "requestedBy", "nominatedEvaluator", "evaluationStrategy"}
)
public class ApprovalRequest implements Serializable {
private static final long serialVersionUID = 1L;
@XmlSchemaType(
name = "dateTime"
)
protected XMLGregorianCalendar requiredConclusionTime;
protected Integer approvalType;
@XmlElement(
required = true
)
protected Object businessRequest;
protected List<Object> supportingInfo;
protected String messageToEvaluator;
@XmlElement(
required = true
)
@XmlSchemaType(
name = "anyURI"
)
protected String organisation;
protected String resubmissionOf;
protected PersonalInfo requestedBy;
protected EvaluatorNomination nominatedEvaluator;
protected EvaluationStrategy evaluationStrategy;
public ApprovalRequest() {
}
public XMLGregorianCalendar getRequiredConclusionTime() {
return this.requiredConclusionTime;
}
public void setRequiredConclusionTime(XMLGregorianCalendar value) {
this.requiredConclusionTime = value;
}
public Integer getApprovalType() {
return this.approvalType;
}
public void setApprovalType(Integer value) {
this.approvalType = value;
}
public Object getBusinessRequest() {
return this.businessRequest;
}
public void setBusinessRequest(Object value) {
this.businessRequest = value;
}
public List<Object> getSupportingInfo() {
if (this.supportingInfo == null) {
this.supportingInfo = new ArrayList();
}
return this.supportingInfo;
}
public String getMessageToEvaluator() {
return this.messageToEvaluator;
}
public void setMessageToEvaluator(String value) {
this.messageToEvaluator = value;
}
public String getOrganisation() {
return this.organisation;
}
public void setOrganisation(String value) {
this.organisation = value;
}
public String getResubmissionOf() {
return this.resubmissionOf;
}
public void setResubmissionOf(String value) {
this.resubmissionOf = value;
}
public PersonalInfo getRequestedBy() {
return this.requestedBy;
}
public void setRequestedBy(PersonalInfo value) {
this.requestedBy = value;
}
public EvaluatorNomination getNominatedEvaluator() {
return this.nominatedEvaluator;
}
public void setNominatedEvaluator(EvaluatorNomination value) {
this.nominatedEvaluator = value;
}
public EvaluationStrategy getEvaluationStrategy() {
return this.evaluationStrategy;
}
public void setEvaluationStrategy(EvaluationStrategy value) {
this.evaluationStrategy = value;
}
}
当我执行以下操作时:
ApprovalRequest approvalRequest = new ApprovalRequest();
Gson gson = new Gson();
String approvalRequestJsonStr = gson.toJson(approvalRequest);
它运行完美。
但是,当我让应用程序在JBoss服务器上运行并且在运行时使用填充的ApprovalRequest
时,会出现一个异常,将对象转换为JSON。
Gson gson = new Gson();
String approvalRequestJsonStr = gson.toJson(approvalRequest);
出现以下错误:
Caused by: java.lang.StackOverflowError
18:40:26,836 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.stream.JsonWriter.peek(JsonWriter.java:350)
18:40:26,836 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.stream.JsonWriter.beforeName(JsonWriter.java:565)
18:40:26,836 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.stream.JsonWriter.writeDeferredName(JsonWriter.java:386)
18:40:26,836 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.stream.JsonWriter.value(JsonWriter.java:402)
18:40:26,836 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.TypeAdapters$13.write(TypeAdapters.java:353)
18:40:26,836 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.TypeAdapters$13.write(TypeAdapters.java:337)
18:40:26,836 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
18:40:26,836 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:89)
18:40:26,837 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:195)
18:40:26,837 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.ObjectTypeAdapter.write(ObjectTypeAdapter.java:105)
18:40:26,837 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
18:40:26,837 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:96)
18:40:26,837 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:60)
18:40:26,837 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
18:40:26,837 ERROR [stderr] (http--0.0.0.0-8443-1) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:89)
...
有什么想法可以解决这个问题吗?