我正在阅读数字资产快速入门指南。我能够运行:
curl -X GET http://localhost:8080/iou
和:
curl -X GET http://localhost:8080/iou/0
没有问题。但是,我无法运行:
curl -X PUT -d '{"issuer":"Alice","owner":"Alice","currency":"AliceCoin","amount":1.0,"observers":[]}' http://localhost:8080/iou
和:
curl -X POST -d '{ "newOwner":"Bob" }' http://localhost:8080/iou/ID/transfer
我得到一个输出
<html><body><h2>500 Internal Server Error</h2></body></html>
某处是否有日志可以让我查看发生了什么错误?我该如何调试这个问题?