Hi Andrea,
I checked the Xms / Xms in [dspace]/bin/dspace and its set to 256M:
#Default Java to use 256MB of memory
JAVA_OPTS=-Xmx256m
I checked the Java Information from the Control Panel and Runtime
Statistics are reporting 4038 MiB and is consistent with the 4G set for
Tomcat.
I went back to the logs for more information. Java OOM errors are only
happening when the media filter is running. Yesterday, our DSpace instance
had to be restarted around 1:30pm. I see no information in the DSpace logs
or Catalina logs relating to the crash (no errors). The only other error I
see happening repeatidly in the dspace log is the following:
2015-01-10 21:12:13,700 ERROR
org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter @ Serious Error
Occurred Processing Request!
ClientAbortException: java.net.SocketException: Broken pipe
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358)
at
org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:434)
at
org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:309)
at
org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:288)
at
org.apache.catalina.connector.Response.flushBuffer(Response.java:548)
at
org.apache.catalina.connector.ResponseFacade.flushBuffer(ResponseFacade.java:279)
at
javax.servlet.ServletResponseWrapper.flushBuffer(ServletResponseWrapper.java:166)
at
org.apache.cocoon.servletservice.HttpServletResponseBufferingWrapper.flushBufferedResponse(HttpServletResponseBufferingWrapper.java:240)
I'm new to supporting DSpace so I'm not sure what this error means, but
none of the timestamps correlate to our crashes. Are there any other logs
to look in to gain more information?
I can try adding a heap dump to our JAVA_OPTS but since I am not seeing
Java OOMS error outside of the media filter, I'm not sure how helpful it
would be.
- Chelsea
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