将二进制流还原图片时得到的是乱码
在jsp中
<%
for(int i=0;i<list.size();i++){
PhotoInfo p = (PhotoInfo)list.get(i);
InputStream in = p.getPh();
byte[] buf=new byte[1024];
int len=in.read(buf);
ServletOutputStream op = response.getOutputStream();
while(len!=-1){
op.write(buf, 0, len);
}
op.close();
in.close();
}
%>
出现的错误
java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:228)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:437)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:351)
at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:253)
at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:119)
at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:190)
at org.apache.coyote.Response.doWrite(Response.java:533)
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:364)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:437)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:351)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:381)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:93)
at org.apache.jsp.picture_jsp._jspService(picture_jsp.java:113)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)
at Web.Servlet.photoClass.doGet(photoClass.java:71)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:394)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
2011-10-19 16:23:41 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet [photoClass] in context with path [/CoolAlbum] threw exception [An exception occurred processing JSP page /picture.jsp at line 57
54: int len=in.read(buf);
55: ServletOutputStream op = response.getOutputStream();
56: while(len!=-1){
57: op.write(buf, 0, len);
58:
59: }
60: op.close();
Stacktrace:] with root cause
[解决办法]
应该有个接受二进制流的图片构造方法
[解决办法]
byte[] processImage = workflow.getProcessImage();
response.setContentType("image/jpeg");
response.getOutputStream().write(processImage);
我的异常网推荐解决方案：An exception occurred processing JSP page,http://www.myexception.cn/j2se/33144.html
