执行curl -H "Content-type:application/json" --data '{"peer" : "ws://localhost:7001"}' http://localhost:8080/addPeer报错

[orchome]

执行

curl -H "Content-type:application/json" --data '{"peer" : "ws://localhost:7001"}' http://localhost:8080/addPeer

报错：

2018-01-30 21:44:09.317:INFO:oejs.ServerConnector:main: Started ServerConnector@38cccef{HTTP/1.1}{0.0.0.0:8080}
Received message{"type":0}
Received message{"data":"[{\"data\":\"Hello Block\",\"hash\":\"aa212344fc10ea0a2cb885078fa9bc2354e55efc81be8f56b66e4a837157662e\",\"index\":1,\"previousHash\":\"0\",\"timestamp\":1517319851109}]","type":2}
received blockchain is not longer than received blockchain. Do nothing
2018-01-30 21:44:23.586:WARN:oejs.ServletHandler:qtp396873410-41: /addPeer
java.lang.NullPointerException
	at java.net.URI$Parser.parse(URI.java:3042)
	at java.net.URI.<init>(URI.java:588)
	at org.naivechain.block.P2PService.connectToPeer(P2PService.java:110)
	at org.naivechain.block.HTTPService$AddPeerServlet.doPost(HTTPService.java:65)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:755)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:671)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:449)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:211)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1070)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:376)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:175)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1004)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:136)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
	at org.eclipse.jetty.server.Server.handle(Server.java:449)
	at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:252)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:266)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.run(AbstractConnection.java:240)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:589)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:520)
	at java.lang.Thread.run(Thread.java:745)