Error in filling Report: java.lang.Exception: Invoke failed: [[c:JasperFillManager]]->fillReport((o:String)null, (i:Map)[o:HashMap], (i:Connection)[o:JDBC4Connection]). Cause: java.lang.NullPointerException VM: 1.8.0_121@http://java.oracle.com/
	at java.io.File.<init>(File.java:277)
	at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:241)
	at sun.reflect.GeneratedMethodAccessor64.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at php.java.bridge.JavaBridge.Invoke(JavaBridge.java:990)
	at php.java.bridge.Request.handleRequest(Request.java:415)
	at php.java.bridge.Request.handleRequests(Request.java:491)
	at php.java.servlet.PhpJavaServlet.handleHttpConnection(PhpJavaServlet.java:170)
	at php.java.servlet.PhpJavaServlet.handlePut(PhpJavaServlet.java:186)
	at php.java.servlet.PhpJavaServlet.doPut(PhpJavaServlet.java:195)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:640)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at php.java.servlet.PhpCGIFilter.doFilter(PhpCGIFilter.java:126)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
	... 28 more