Java sts中的堆栈溢出异常

我在测试API时遇到以下异常。在jpa中使用java规范谓词连接列

java.lang.StackOverflowError: null
    at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:125) ~[na:1.8.0_222]
    at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448) ~[na:1.8.0_222]
    at java.lang.StringBuilder.append(StringBuilder.java:136) ~[na:1.8.0_222]
    at java.util.SimpleTimeZone.toString(SimpleTimeZone.java:947) ~[na:1.8.0_222]
    at java.lang.String.valueOf(String.java:2994) ~[na:1.8.0_222]
    at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_222]
    at java.util.Calendar.toString(Calendar.java:3345) ~[na:1.8.0_222]
    at java.lang.String.valueOf(String.java:2994) ~[na:1.8.0_222]
    at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_222]
    at com.afcs.entity.TblWayBill.toString(TblWayBill.java:51) ~[classes/:na]
    at java.lang.String.valueOf(String.java:2994) ~[na:1.8.0_222]
    at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_222]
    at com.afcs.entity.TblTrip.toString(TblTrip.java:33) ~[classes/:na]
    at java.lang.String.valueOf(String.java:2994) ~[na:1.8.0_222]
    at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_222]
    at java.util.AbstractCollection.toString(AbstractCollection.java:462) ~[na:1.8.0_222]
    at org.hibernate.collection.internal.PersistentBag.toString(PersistentBag.java:510) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
    at java.lang.String.valueOf(String.java:2994) ~[na:1.8.0_222]
    at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_222]
    at com.afcs.entity.TblWayBill.toString(TblWayBill.java:51) ~[classes/:na]
    at java.lang.String.valueOf(String.java:2994) ~[na:1.8.0_222]
    at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_222]
    at com.afcs.entity.TblTrip.toString(TblTrip.java:33) ~[classes/:na]
    at java.lang.String.valueOf(String.java:2994) ~[na:1.8.0_222]
    at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_222]
    at java.util.AbstractCollection.toString(AbstractCollection.java:462) ~[na:1.8.0_222]

---

即使查看堆栈跟踪，我也可以看出您有一个递归toString（）函数实现。对象A.toString（）调用B.toString（），B.toString（）又一次又一次地调用A.toString（）。通常，当您生成调用另一个实体的toString，而该实体调用另一个实体时，就会发生这种情况。确保从toString（）方法实现中排除这些属性，它将按预期工作

请添加出现此错误的代码/函数。可能与