I see a lot of 'java.net.SocketException: Connection reset' in our
production system dspace.log.
For example between 10:05 and 10:13 today, I see 36 lines with
'view_bitstream' and 12 lines with 'bitstream threw exception'. Here are
two samples:
2014-06-25 10:05:34,224 INFO TP-Processor10
org.dspace.app.webui.servlet.BitstreamServlet @
anonymous:session_id=600DC9838C6246C339A86057ED0E3697:ip_addr=194.248.77.110:view_bitstream:bitstream_id=5087
2014-06-25 10:12:57,168 ERROR TP-Processor12
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/jspui].[bitstream]
@ Servlet.service() for servlet bitstream threw exception
We are running 1.8 with JSPUI
How should I go about finding the root cause ?
Monika
2014-06-25 08:53:27,698 INFO TP-Processor1
org.dspace.usage.LoggerUsageEventListener @
anonymous:session_id=637AE762BBA5BF2F36B3BE614C0AE106:ip_addr=180.222.140.37:view_bitstream:bitstream_id=3358
2014-06-25 08:53:27,976 ERROR TP-Processor1
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/jspui].[bitstream]
@ Servlet.service() for servlet bitstream threw exception
java.net.SocketException: Connection reset
at
java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:96)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at org.apache.jk.common.ChannelSocket.send(ChannelSocket.java:538)
at
org.apache.jk.common.JkInputStream.doWrite(JkInputStream.java:162)
at org.apache.coyote.Response.doWrite(Response.java:560)
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:361)
at
org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:432)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:347)
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:89)
at
java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
at
java.io.BufferedOutputStream.write(BufferedOutputStream.java:109)
at org.dspace.core.Utils.copy(Utils.java:238)
at org.dspace.core.Utils.bufferedCopy(Utils.java:264)
at
org.dspace.app.webui.servlet.BitstreamServlet.doDSGet(BitstreamServlet.java:142)
at
org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:126)
at
org.dspace.app.webui.servlet.DSpaceServlet.doGet(DSpaceServlet.java:71)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
--
Monika Mevenkamp
phone: 609-258-4161
Lewis Library,Washington Road and Ivy Lane, Princeton University, Princeton, NJ
08544
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