rapid miner integration with java web application

udaykumar

Hi sir

I want integrate rapid miner and java web application .Please help me regarding this.

i have tried already with jsp but rapid miner is not initializing and is showing error as


org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 62

59:
60: System.setProperty("rapidminer.home", "C:\\Program Files\\Rapid-I\\RapidMiner5");
61: //RapidMiner.init();
62: RapidMiner.init();
63: out.println("Connected to rapid miner");
64: }
65: catch (Exception e)


Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:401)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)

root cause

javax.servlet.ServletException: java.lang.NoClassDefFoundError: com/rapid_i/Launcher
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:862)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
org.apache.jsp.index_jsp._jspService(index_jsp.java:175)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)

root cause

java.lang.NoClassDefFoundError: com/rapid_i/Launcher
com.rapidminer.tools.ParameterService.ensureRapidMinerHomeSet(ParameterService.java:505)
com.rapidminer.RapidMiner.init(RapidMiner.java:533)
org.apache.jsp.index_jsp._jspService(index_jsp.java:116)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.29 logs.


Please specify the possible mistakes i have made

Marco_Boeck

Hi,

looks like there are library jars RapidMiner Studio needs missing on your classpath. Make sure that all .jar files from the RapidMiner/lib folder are present in your web application, otherwise you will run into more NoClassDefFoundErrors later on.

Regards,
Marco