How to display image on Jsp page from database using Hibernate and spring MVC

Question

I am able to find all the data through this code

while(it.hasNext())
        {
        Object objnew=it.next();
        PartnerRegistrationIndividual PartRegIndv =(PartnerRegistrationIndividual) objnew;

        pid=PartRegIndv.getId();
        firstname=PartRegIndv.getFname();
        lastname=PartRegIndv.getLname();
        email=PartRegIndv.getEmail();
        mobile=PartRegIndv.getMobile();
        foe=PartRegIndv.getSpeciality();
        expSalPerDay =PartRegIndv.getExpectedSalaryPerDay();
        expSalPerMonth=PartRegIndv.getExpectedSalaryPerMonth();
        current_status=PartRegIndv.getApproval_status();

I am using following code to get the data from database...but my webpage goes blank and i get some exception in console..

        Blob imgdata=PartRegIndv.getImage();
        imgdata.getBinaryStream();
        OutputStream output = response.getOutputStream();
        response.setContentType("image/jpeg");
        response.getOutputStream().flush();
        response.getOutputStream().close();

Exception which comes in my console...

SEVERE: Servlet.service() for servlet emen threw exception

java.lang.IllegalStateException: getOutputStream() has already been called for this response at org.apache.catalina.connector.Response.getWriter(Response.java:604) at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:198) at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:125) at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:118) at org.apache.jasper.runtime.JspWriterImpl.write(JspWriterImpl.java:326) at org.apache.jasper.runtime.JspWriterImpl.write(JspWriterImpl.java:342) at org.apache.jsp.allpartners_jsp._jspService(allpartners_jsp.java:318) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:654) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:445) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)

java.lang.IllegalStateException: getOutputStream() has already been called for this response — Abhishek Shandilya
– Abhishek Shandilya, Commented May 20, 2015 at 14:37

Mecon · Accepted Answer · 2015-05-20 14:53:42Z

1

The response.setContentType() shouldn't be called after response has already started to be written back to the caller.

Try to invoke setContentType before you invoke getOutputStream.

If that doesn't help, could you check in your code where response or response.getOuputStream might be getting called? That way you will know what piece of code started writing back to the browser.

UPDATE

Once you start writing to the response. You are now allowed to render a JSP. If this was a servlet code, you could just "return" without having to forward to a JSP.

edited May 20, 2015 at 14:53

answered May 20, 2015 at 14:38

Mecon

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15 Comments

Abhishek Shandilya Over a year ago

Let us continue this discussion in chat.

Mecon Over a year ago

Images can't be returned in that manner. In the JSP page, create an HTML IMG element, and make the "src" attribute of that element invoke a URL which will fetch the Image from the server. So, you will need a special Controller method just to retrieve Image.

Abhishek Shandilya Over a year ago

<img src="?" class="img-circle" width="150" >........................I have this one how to put src of that image fetched from database

Mecon Over a year ago

JSP can have image tag like this: <img src="/myapplication/partreg/getImage?id=<%= var.getId() %>" height="200" width="200">

Mecon Over a year ago

You have to implement a method that accepts URL like I have in my example. And in that method, you can execute the same code you had that wrote image data into response.getOutputStream()

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Raúl · Accepted Answer · 2015-05-20 14:44:16Z

0

OutputStream output = response.getOutputStream();  

response.setContentType("image/jpeg");

As you can see, you are fetching response first and setting it's type later, which might be causing the issue.

Try correcting this & if things are still nasty, post stacktrace also.

answered May 20, 2015 at 14:44

Raúl

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1 Comment

Raúl Over a year ago

Right, looks like I haven't refreshed page after opening question.

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