Servlet SQLException Communication link failure java howto
i can't connect jsp and database(mysql).
This is the exception:
exception
org.apache.jasper.JasperException: javax.servlet.ServletException: java.sql.SQLException: Communication link failure: java.io.IOException, underlying cause: Unexpected end of input stream
** BEGIN NESTED EXCEPTION **
java.io.IOException
MESSAGE: Unexpected end of input stream
STACKTRACE:
java.io.IOException: Unexpected end of input stream
at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:109 6)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:62 6)
at com.mysql.jdbc.Connection.createNewIO(Connection.j ava:1562)
at com.mysql.jdbc.Connection.<init>(Connection.java:4 91)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonReg isteringDriver.java:346)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at org.apache.jsp.audio_jsp._jspService(audio_jsp.jav a:108)
at org.apache.jasper.runtime.HttpJspBase.service(Http JspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:803)
at org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:390)
at org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:320)
at org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:266)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:803)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:228)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:212)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11Conn ectionHandler.process(Http11Protocol.java:634)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run( JIoEndpoint.java:445)
at java.lang.Thread.run(Unknown Source)
** END NESTED EXCEPTION **
org.apache.jasper.servlet.JspServletWrapper.handle JspException(JspServletWrapper.java:565)
org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:414)
org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet .java:803)