Java 获得；从InputStream加载对象时出错；调用JasperUnmanager.runReportToPdfStream期间出现异常_Java_Pdf_Jasper Reports

Java 获得；从InputStream加载对象时出错；调用JasperUnmanager.runReportToPdfStream期间出现异常

java pdf jasper-reports

Java 获得；从InputStream加载对象时出错；调用JasperUnmanager.runReportToPdfStream期间出现异常,java,pdf,jasper-reports,Java,Pdf,Jasper Reports,我试图通过按钮生成pdf，但我的问题是这个方法 JasperRunManager.runReportToPdfStream（reportStream、servletOutputStream、new HashMap（）、resultSetDataSource）它不支持Hashmap，它给出了以下错误 The method runReportToPdfStream(InputStream, OutputStream, Map<String,Object>, Connection) in

我试图通过按钮生成pdf，但我的问题是这个方法

JasperRunManager.runReportToPdfStream（reportStream、servletOutputStream、new HashMap（）、resultSetDataSource）
它不支持Hashmap，它给出了以下错误
The method runReportToPdfStream(InputStream, OutputStream, Map<String,Object>, Connection) in the type JasperRunManager is 
 not applicable for the arguments (InputStream, ServletOutputStream, HashMap<Object,Object>, JRResultSetDataSource)

net.sf.jasperreports.engine.JRException: Error loading object from InputStream
    at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:219)
    at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:632)
    at net.sf.jasperreports.engine.JasperRunManager.runToPdfStream(JasperRunManager.java:428)
    at net.sf.jasperreports.engine.JasperRunManager.runReportToPdfStream(JasperRunManager.java:849)
    at com.p41.jasper.Jasper.doPost(Jasper.java:103)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
    at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:546)
    at com.sun.faces.application.view.JspViewHandlingStrategy.executePageToBuildView(JspViewHandlingStrategy.java:364)
    at com.sun.faces.application.view.JspViewHandlingStrategy.buildView(JspViewHandlingStrategy.java:154)
    at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:100)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:410)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at com.p41.setting.FacesFilter.doFilter(FacesFilter.java:153)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.io.StreamCorruptedException: invalid stream header: 3C3F786D
    at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
    at java.io.ObjectInputStream.<init>(Unknown Source)
    at net.sf.jasperreports.engine.util.ContextClassLoaderObjectInputStream.<init>(ContextClassLoaderObjectInputStream.java:53)
    at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:214)

JasperUnmanager类型中的runReportToPdfStream（InputStream、OutputStream、Map、Connection）方法为
不适用于参数（InputStream、ServletOutputStream、HashMap、JResultSetDataSource）

它支持字符串参数，如

Hashmap

，但在生成pdf时会出现以下错误

The method runReportToPdfStream(InputStream, OutputStream, Map<String,Object>, Connection) in the type JasperRunManager is 
 not applicable for the arguments (InputStream, ServletOutputStream, HashMap<Object,Object>, JRResultSetDataSource)

net.sf.jasperreports.engine.JRException: Error loading object from InputStream
    at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:219)
    at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:632)
    at net.sf.jasperreports.engine.JasperRunManager.runToPdfStream(JasperRunManager.java:428)
    at net.sf.jasperreports.engine.JasperRunManager.runReportToPdfStream(JasperRunManager.java:849)
    at com.p41.jasper.Jasper.doPost(Jasper.java:103)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
    at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:546)
    at com.sun.faces.application.view.JspViewHandlingStrategy.executePageToBuildView(JspViewHandlingStrategy.java:364)
    at com.sun.faces.application.view.JspViewHandlingStrategy.buildView(JspViewHandlingStrategy.java:154)
    at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:100)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:410)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at com.p41.setting.FacesFilter.doFilter(FacesFilter.java:153)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.io.StreamCorruptedException: invalid stream header: 3C3F786D
    at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
    at java.io.ObjectInputStream.<init>(Unknown Source)
    at net.sf.jasperreports.engine.util.ContextClassLoaderObjectInputStream.<init>(ContextClassLoaderObjectInputStream.java:53)
    at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:214)

net.sf.jasperreports.engine.JRException:从InputStream加载对象时出错
位于net.sf.jasperreports.engine.util.JRLoader.loadObject（JRLoader.java:219）
位于net.sf.jasperreports.engine.JasperFillManager.fill（JasperFillManager.java:632）
位于net.sf.jasperreports.engine.JasperRunManager.runToPdfStream（JasperRunManager.java:428）
位于net.sf.jasperreports.engine.JasperRunManager.runReportToPdfStream（JasperRunManager.java:849）
位于com.p41.jasper.jasper.doPost（jasper.java:103）
位于javax.servlet.http.HttpServlet.service（HttpServlet.java:647）
位于javax.servlet.http.HttpServlet.service（HttpServlet.java:728）
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:305）
位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:210）
位于org.apache.catalina.core.ApplicationDispatcher.invoke（ApplicationDispatcher.java:749）
位于org.apache.catalina.core.ApplicationDispatcher.processRequest（ApplicationDispatcher.java:487）
位于org.apache.catalina.core.ApplicationDispatcher.doForward（ApplicationDispatcher.java:412）
位于org.apache.catalina.core.ApplicationDispatcher.forward（ApplicationDispatcher.java:339）
位于com.sun.faces.context.ExternalContextImpl.dispatch（ExternalContextImpl.java:546）
位于com.sun.faces.application.view.JspViewHandlingStrategy.executePagetObjuildView（JspViewHandlingStrategy.java:364）
位于com.sun.faces.application.view.JspViewHandlingStrategy.buildView（JspViewHandlingStrategy.java:154）
位于com.sun.faces.lifecycle.RenderResponsePhase.execute（RenderResponsePhase.java:100）
位于com.sun.faces.lifecycle.Phase.doPhase（Phase.java:101）
在com.sun.faces.lifecycle.LifecycleImpl.render（LifecycleImpl.java:139）上
位于javax.faces.webapp.FacesServlet.service（FacesServlet.java:410）
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:305）
位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:210）
位于org.primefaces.webapp.filter.FileUploadFilter.doFilter（FileUploadFilter.java:79）
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:243）
位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:210）
位于com.p41.setting.FacesFilter.doFilter（FacesFilter.java:153）
位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:243）
位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:210）
位于org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:222）
位于org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:123）
位于org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:472）
位于org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:171）
位于org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:99）
位于org.apache.catalina.valves.AccessLogValve.invoke（AccessLogValve.java:936）
位于org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:118）
位于org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:407）
位于org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1004）
位于org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process（AbstractProtocol.java:589）
位于org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run（JIoEndpoint.java:310）
位于java.util.concurrent.ThreadPoolExecutor.runWorker（未知源）
位于java.util.concurrent.ThreadPoolExecutor$Worker.run（未知源）
位于java.lang.Thread.run（未知源）
原因：java.io.StreamCorruptedException:无效的流头：3C3F786D
位于java.io.ObjectInputStream.readStreamHeader（未知源）
位于java.io.ObjectInputStream。（未知源）
位于net.sf.jasperreports.engine.util.ContextClassLoaderObjectInputStream。（ContextClassLoaderObjectInputStream.java:53）
位于net.sf.jasperreports.engine.util.JRLoader.loadObject（JRLoader.java:214）

Servlet

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.HashMap;
import java.util.HashSet;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.jasperreports.engine.JRResultSetDataSource;
import net.sf.jasperreports.engine.JasperRunManager;

public class Jasper extends HttpServlet {
    private static final long serialVersionUID = 1L;

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        Connection connection;
        Statement statement;
        ResultSet resultSet;
        response.setContentType("text/html");
        String si = request.getParameter("input");

        ServletOutputStream servletOutputStream = response.getOutputStream();

        byte[] bytes = null;

        InputStream reportStream = getServletConfig().getServletContext().getResourceAsStream("WEB-INF/HR/Jasp.jasper");
        System.out.println("Print" + si);
        try {
            System.out.println("Second print" + si);

            String query = "SELECT  Where Empno = '" + si + "' ";
            Class.forName("com.mysql.jdbc.Driver");
            connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/schemedb?user=root&password=root");
            statement = connection.createStatement();
            resultSet = statement.executeQuery(query);
            JRResultSetDataSource resultSetDataSource = new JRResultSetDataSource(resultSet);

            response.setContentType("application/pdf");

            servletOutputStream.flush();
            servletOutputStream.close();

            System.out.println("print" + reportStream);
            System.out.println("print" + servletOutputStream);
            System.out.println("print" + resultSetDataSource);
            JasperRunManager.runReportToPdfStream(reportStream, servletOutputStream, new HashMap<Object, Object>(), resultSetDataSource);

            resultSet.close();
            statement.close();
            connection.close();
            response.setContentType("application/pdf");
            servletOutputStream.flush();
            servletOutputStream.close();
        } catch (Exception e) {
            StringWriter stringWriter = new StringWriter();
            PrintWriter printWriter = new PrintWriter(stringWriter);
            e.printStackTrace(printWriter);
            response.setContentType("text/plain");
            response.getOutputStream().print(stringWriter.toString());
        }
    }
}

导入java.io.File；
导入java.io.IOException；
导入java.io.InputStream；
导入java.io.PrintWriter；
导入java.io.StringWriter；
导入java.sql.Connection；
导入java.sql.DriverManager；
导入java.sql.ResultSet；
导入java.sql.Statement；
导入java.util.HashMap；
导入java.util.HashSet；
导入javax.servlet.ServletException；
导入javax.servlet.ServletOutputStream；
导入javax.servlet.http.HttpServlet；
导入javax.servlet.http.HttpServletRequest；
导入javax.servlet.http.HttpServletResponse；
导入net.sf.jasperreports.engine.jresultsetdatasource；
导入net.sf.jasperreports.engine.JasperRunManager；
公共类Jasper扩展了HttpServlet{
私有静态最终长serialVersionUID=1L；
受保护的void doGet（HttpServletRequest请求，HttpServletResponse响应）抛出ServletException，IOException{
}
受保护的void doPost（HttpServletRequest请求、HttpServletResponse响应）引发ServletException、IOException{
连接；
声明；
结果集结果集；
response.setContentType（“text/html”）