连接mongo的服务提示：HTTP Status 500 - com.mongodb.MongoException$Network: can't call something

连接mongo的服务提示以下错误

原因：达到了mongodb启动时预设的最大连接数，无法创建新的连接

HTTP Status 500 - com.mongodb.MongoException$Network: can't call something : mctu.jcms-8chedao.com/192.168.6.119:37002/uc

type Exception report

message com.mongodb.MongoException$Network: can't call something : mctu.jcms-8chedao.com/192.168.6.119:37002/uc

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: com.mongodb.MongoException$Network: can't call something : mctu.jcms-8chedao.com/192.168.6.119:37002/uc

org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)

javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

root cause

com.mongodb.MongoException$Network: can't call something : mctu.jcms-8chedao.com/192.168.6.119:37002/uc

com.mongodb.DBTCPConnector.innerCall(DBTCPConnector.java:295)

com.mongodb.DBTCPConnector.call(DBTCPConnector.java:257)

com.mongodb.DBApiLayer$MyCollection.__find(DBApiLayer.java:310)

com.mongodb.DBApiLayer$MyCollection.__find(DBApiLayer.java:295)

com.mongodb.DBCursor._check(DBCursor.java:368)

com.mongodb.DBCursor._hasNext(DBCursor.java:459)

com.mongodb.DBCursor.hasNext(DBCursor.java:484)

com.jcm.db.MongoAPI.getUrl(MongoAPI.java:429)

com.jcm.shorturl.service.ShortService.doShortUrl(ShortService.java:15)

org.apache.jsp.ht.getshorturl_jsp._jspService(getshorturl_jsp.java:77)

org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)

javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)

org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)

javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

root cause

java.net.SocketException: Connection reset

java.net.SocketInputStream.read(SocketInputStream.java:189)

java.net.SocketInputStream.read(SocketInputStream.java:121)

java.io.BufferedInputStream.fill(BufferedInputStream.java:235)

java.io.BufferedInputStream.read1(BufferedInputStream.java:275)

java.io.BufferedInputStream.read(BufferedInputStream.java:334)

org.bson.io.Bits.readFully(Bits.java:46)

org.bson.io.Bits.readFully(Bits.java:33)

org.bson.io.Bits.readFully(Bits.java:28)

com.mongodb.Response.<init>(Response.java:40)

com.mongodb.DBPort.go(DBPort.java:124)

com.mongodb.DBPort.call(DBPort.java:74)

com.mongodb.DBTCPConnector.innerCall(DBTCPConnector.java:286)